{"id":386,"date":"2019-06-22T03:19:59","date_gmt":"2019-06-22T03:19:59","guid":{"rendered":"https:\/\/thuvienxaydung.com.vn\/?p=386"},"modified":"2023-03-22T02:24:10","modified_gmt":"2023-03-22T02:24:10","slug":"quy-trinh-thi-cong-nghiem-thu-cong-tac-san-lap-mat-bang-goi-thau-san-lap-mat-bang","status":"publish","type":"post","link":"https:\/\/tailieuxaydung.net\/?p=386","title":{"rendered":"Quy tr\u00ecnh Thi c\u00f4ng nghi\u1ec7m thu c\u00f4ng t\u00e1c San l\u1ea5p m\u1eb7t b\u1eb1ng, g\u00f3i th\u1ea7u: San l\u1ea5p m\u1eb7t b\u1eb1ng"},"content":{"rendered":"<p>C\u00f4ng t\u00e1c san \u0111\u1ea5t, hay c\u00f2n g\u1ecdi l\u00e0 san m\u1eb7t b\u1eb1ng ho\u1eb7c san l\u1ea5p m\u1eb7t b\u1eb1ng, l\u00e0 c\u00f4ng vi\u1ec7c thi c\u00f4ng san ph\u1eb3ng n\u1ec1n \u0111\u1ea5t m\u1ed9t c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng hay m\u1ed9t m\u1eb7t b\u1eb1ng quy ho\u1ea1ch, t\u1eeb m\u1ed9t m\u1eb7t \u0111\u1ea5t c\u00f3 \u0111\u1ecba h\u00ecnh t\u1ef1 nhi\u00ean cao th\u1ea5p kh\u00e1c nhau<\/p>\n<p>Download Quy tr\u00ecnh Thi c\u00f4ng nghi\u1ec7m thu c\u00f4ng t\u00e1c San l\u1ea5p m\u1eb7t b\u1eb1ng <br \/><a href=\"https:\/\/hosoxaydung.com\/upload\/quy-trinh-thi-cong-nghiem-thu-cong-tac-san-lap-mat-bang.rar\" target=\"_blank\" rel=\"noopener noreferrer\"><img decoding=\"async\" class=\"alignnone\" src=\"https:\/\/hosoxaydung.com\/upload\/tai-ngay.gif\" alt=\"\" width=\"300\" height=\"142\" \/><\/a><br \/><span style=\"color: #ff0000;\"><strong>M\u1eadt kh\u1ea9u :<\/strong> <span style=\"color: #0000ff;\"><strong>Cu\u1ed1i b\u00e0i vi\u1ebft<\/strong><\/span><\/span><\/p>\n<p>Quy tr\u00ecnh Thi c\u00f4ng nghi\u1ec7m thu c\u00f4ng t\u00e1c San l\u1ea5p m\u1eb7t b\u1eb1ng, g\u00f3i th\u1ea7u: San l\u1ea5p m\u1eb7t b\u1eb1ng<\/p>\n<blockquote><p>M\u1eddi qu\u00fd v\u1ecb tham kh\u1ea3o :<a href=\"https:\/\/thuvienxaydung.com.vn\/du-toan-san-lap-mat-bang\/\" target=\"_blank\" rel=\"noopener noreferrer\"><span style=\"color: #e62f36;\"><strong>D\u1ef1 to\u00e1n san l\u1ea5p M\u1eb7t b\u1eb1ng<\/strong><\/span><\/a><br \/>\nM\u1eddi qu\u00fd v\u1ecb tham kh\u1ea3o :<a href=\"https:\/\/thuvienxaydung.com.vn\/bien-phap-thi-cong-san-nen-khu-do-thi-bac-an-khanh\/\" target=\"_blank\" rel=\"noopener noreferrer\"><span style=\"color: #0023dc;\"><strong>Bi\u1ec7n ph\u00e1p thi c\u00f4ng san l\u1ea5p m\u1eb7t b\u1eb1ng<\/strong><\/span><\/a><br \/>\nM\u1eddi qu\u00fd v\u1ecb tham kh\u1ea3o :<a href=\"https:\/\/thuvienxaydung.com.vn\/tieu-chuan-thiet-ke-thi-cong-va-giam-sat-san-lap-mat-bang\/\" target=\"_blank\" rel=\"noopener noreferrer\"><span style=\"color: #ecb900;\"><strong>Ti\u00eau chu\u1ea9n san l\u1ea5p m\u1eb7t b\u1eb1ng<\/strong><\/span><\/a><\/p><\/blockquote>\n<p align=\"center\"><strong>QUY TR\u00ccNH THI C\u00d4NG NGHI\u1ec6M THU C\u00d4NG T\u00c1C SAN L\u1ea4P M\u1eb6T B\u1eb0NG, <\/strong><\/p>\n<p align=\"center\"><strong>G\u00d3I TH\u1ea6U: SAN L\u1ea4P M\u1eb6T B\u1eb0NG<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p>I. C\u0102N C\u1ee8 CH\u1ee6 Y\u1ebeU:<\/p>\n<p>&#8211; Ngh\u1ecb \u0111\u1ecbnh 209\/2004\/N\u0110-CP ng\u00e0y 16\/12\/2004 v\u1ec1 Qu\u1ea3n l\u00fd ch\u1ea5t l\u01b0\u1ee3ng c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng.<\/p>\n<p>&#8211; Ti\u00eau chu\u1ea9n TCVN 4447:87 &#8211; C\u00f4ng t\u00e1c \u0111\u1ea5t &#8211; Quy ph\u1ea1m thi c\u00f4ng, nghi\u1ec7m thu.<\/p>\n<p>&#8211; Ti\u00eau chu\u1ea9n TCVN 4453:1995 &#8211; K\u1ebft c\u1ea5u b\u00ea t\u00f4ng v\u00e0 b\u00ea t\u00f4ng c\u1ed1t th\u00e9p to\u00e0n kh\u1ed1i. Quy ph\u1ea1m thi c\u00f4ng v\u00e0 nghi\u1ec7m thu<\/p>\n<ul>\n<li>H\u1ed3 s\u01a1 thi\u1ebft k\u1ebf thi c\u00f4ng h\u1ea1ng m\u1ee5c san l\u1ea5p m\u1eb7t b\u1eb1ng nh\u00e0 m\u00e1y<\/li>\n<\/ul>\n<p>&#8211; C\u00e1c ti\u00eau chu\u1ea9n hi\u1ec7n h\u00e0nh v\u1ec1 thi c\u00f4ng v\u00e0 nghi\u1ec7m thu c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng kh\u00e1c.<\/p>\n<p>II. TR\u00ccNH T\u1ef0 TH\u1ef0C HI\u1ec6N<\/p>\n<p>T\u1ea5t c\u1ea3 c\u00f4ng t\u00e1c \u0111\u1ea5t khi thi c\u00f4ng nghi\u1ec7m thu ph\u1ea3i th\u1ef1c hi\u1ec7n \u0111\u00fang TCVN 4447:1987.<\/p>\n<ol style=\"list-style-type: upper-roman;\">\n<li><strong><em>D\u1ecdn m\u1eb7t b\u1eb1ng<\/em><\/strong><\/li>\n<\/ol>\n<p>Tr\u01b0\u1edbc khi thi c\u00f4ng san n\u1ec1n. Nh\u00e0 th\u1ea7u ph\u1ea3i gi\u1ea3i ph\u00f3ng to\u00e0n b\u1ed9 c\u00e1c c\u00f4ng tr\u00ecnh hi\u1ec7n c\u00f3, c\u00e1c c\u00e2y c\u1ed1i ho\u1eb7c c\u00e1c ch\u01b0\u1edbng ng\u1ea1i kh\u00e1c trong khu v\u1ef1c thi c\u00f4ng v\u00e0 ti\u00eau hu\u1ef7 ch\u00fang b\u1eb1ng c\u00e1ch \u0111\u1ed1t ho\u1eb7c ph\u01b0\u01a1ng ph\u00e1p t\u01b0\u01a1ng \u1ee9ng \u0111\u01b0\u1ee3c Ch\u1ee7 \u0111\u1ea7u t\u01b0\u00a0 \u0111\u1ed3ng \u00fd t\u1ea1i m\u1ed9t v\u1ecb tr\u00ed do Ch\u1ee7 \u0111\u1ea7u t\u01b0 ch\u1ec9 \u0111\u1ecbnh.<\/p>\n<ol style=\"list-style-type: upper-roman;\">\n<li value=\"2\"><strong><em>Lo\u1ea1i b\u1ecf l\u1edbp \u0111\u1ea5t h\u1eefu c\u01a1<\/em><\/strong><\/li>\n<\/ol>\n<p>Tr\u01b0\u1edbc khi san n\u1ec1n ph\u1ea3i ti\u1ebfn h\u00e0nh \u0111\u00e0o b\u1ecf r\u1ec5 c\u00e2y, c\u1ecf r\u00e1c, \u0111\u1ea5t ph\u1ee7 b\u00ean tr\u00ean, chi\u1ec1u s\u00e2u \u0111\u00e0o l\u1edbp \u0111\u1ea5t ph\u1ee7 b\u00ean tr\u00ean \u0111\u1ed1i v\u1edbi n\u1ec1n \u0111\u1eafp l\u00e0 0,1m v\u00e0 \u0111\u1ed1i v\u1edbi n\u1ec1n \u0111\u00e0o l\u00e0 0,3m.\u00a0 L\u01b0\u1ee3ng \u0111\u1ea5t h\u1eefu c\u01a1 n\u00e0y s\u1ebd v\u1eadn chuy\u1ec3n v\u00e0 \u0111\u1ed5 theo h\u1ed3 s\u01a1 \u0111\u1ea5u th\u1ea7u \u0111\u01b0\u1ee3c Ch\u1ee7 \u0111\u1ea7u t\u01b0 v\u00e0 \u0111\u1ecba ph\u01b0\u01a1ng \u0111\u1ed3ng \u00fd. \u0110\u1ed3ng th\u1eddi ph\u1ea3i ti\u1ebfn h\u00e0nh c\u00e1c bi\u1ec7n ph\u00e1p ti\u00eau tho\u00e1t n\u01b0\u1edbc m\u1eb7t tr\u00ean to\u00e0n b\u1ed9 m\u1eb7t b\u1eb1ng thi c\u00f4ng.<\/p>\n<ol style=\"list-style-type: upper-roman;\">\n<li value=\"3\"><strong><em>C\u00f4ng t\u00e1c \u0110\u00e0o \u0111\u1ea5t<\/em><\/strong><\/li>\n<\/ol>\n<p><em>+ Kh\u00e1i qu\u00e1t chung<\/em><\/p>\n<p>Tr\u01b0\u1edbc khi ti\u1ebfn h\u00e0nh c\u00f4ng t\u00e1c \u0111\u00e0o \u0111\u1ea5t, nh\u00e0 th\u1ea7u ph\u1ea3i th\u00f4ng b\u00e1o v\u1edbi Ch\u1ee7 \u0111\u1ea7u t\u01b0, m\u1eb7t b\u1eb1ng hi\u1ec7n c\u00f3 ph\u1ea3i \u0111\u01b0\u1ee3c \u0111o \u0111\u1ea1c v\u00e0 ch\u1ea5p thu\u1eadn c\u1ee7a Ch\u1ee7 \u0111\u1ea7u t\u01b0.<\/p>\n<p>T\u1ea5t c\u1ea3 c\u00e1c c\u00f4ng t\u00e1c \u0111\u00e0o s\u1ebd \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n ph\u00f9 h\u1ee3p v\u1edbi cao \u0111\u1ed9 ghi trong b\u1ea3n v\u1ebd\u00a0 thi\u1ebft k\u1ebf ho\u1eb7c theo y\u00eau c\u1ea7u c\u1ee7a Ch\u1ee7 \u0111\u1ea7u t\u01b0\u00a0 cho ph\u00f9 h\u1ee3p v\u1edbi \u0111i\u1ec1u ki\u1ec7n th\u1ef1c t\u1ebf.<\/p>\n<p><em>+ Ph\u00e2n c\u1ea5p v\u1eadt li\u1ec7u \u0111\u00e0o<\/em><\/p>\n<p>&#8211; \u0110\u00e1: \u0110\u00e1 \u0111\u01b0\u1ee3c xem nh\u01b0 m\u1ed9t v\u1eadt li\u1ec7u kh\u1ed1i \u0111\u1eb7c c\u00f3 c\u01b0\u1eddng \u0111\u1ed9 v\u00e0 c\u1ea5u tr\u00fac kh\u00f4ng th\u1ec3 b\u1ecb d\u1ee1 b\u1ecf, ph\u00e1 hu\u1ef7, nghi\u1ec1n khi kh\u00f4ng s\u1eed d\u1ee5ng ch\u1ea5t n\u1ed5 v\u00e0 b\u00faa ph\u00e1 d\u1ee1.<\/p>\n<p>&#8211; \u0110\u1ea5t th\u00f4ng th\u01b0\u1eddng: \u0110\u1ea5t \u0111\u00e1 th\u00f4ng th\u01b0\u1eddng l\u00e0 c\u00e1c lo\u1ea1i \u0111\u1ea5t c\u00f2n l\u1ea1i tr\u1eeb \u0111\u00e1 \u0111\u01b0\u1ee3c ghi r\u00f5 trong\u00a0 \u0111o\u1ea1n tr\u00ean, bao g\u1ed3m \u0111\u1ea5t, c\u00e1t, s\u1ecfi, cu\u1ed9i\u00a0 k\u1ebft, \u0111\u00e1 d\u0103m v\u00e0 c\u00e1c lo\u1ea1i kh\u00e1c.<\/p>\n<p><em>+ Tr\u00ecnh t\u1ef1 thi c\u00f4ng:<\/em><\/p>\n<p>&#8211; \u0110\u1ecbnh v\u1ecb ch\u00ednh x\u00e1c v\u1ecb tr\u00ed thi c\u00f4ng. X\u00e1c \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc chi\u1ec1u cao n\u1ec1n \u0111\u1ea5t c\u1ea7n \u0111\u00e0o, v\u1ecb tr\u00ed ch\u00e2n taluy, \u0111\u00f3ng c\u1ecdc bi\u00ean&#8230;<\/p>\n<p>&#8211; Ki\u1ec3m tra ch\u1eb7t ch\u1ebd cao \u0111\u1ed9, kho\u1ea3ng c\u00e1ch c\u00e1c \u0111i\u1ec3m c\u1ee7a m\u00e1i d\u1ed1c taluy trong qu\u00e1 tr\u00ecnh thi c\u00f4ng \u0111\u1ec3 \u0111\u1ea3m\u00a0 b\u1ea3o cho vi\u1ec7c thi c\u00f4ng \u0111\u01b0\u1ee3c ch\u00ednh x\u00e1c v\u00e0 \u0111\u00fang thi\u1ebft k\u1ebf.<\/p>\n<p>&#8211; Ph\u1ea3i ch\u00fa tr\u1ecdng b\u1ed1 tr\u00ed \u0111\u1ed9 d\u1ed1c v\u00e0 r\u00e3nh tho\u00e1t n\u01b0\u1edbc, c\u00f3 ph\u01b0\u01a1ng \u00e1n tho\u00e1t n\u01b0\u1edbc m\u1eb7t khi g\u1eb7p tr\u1eddi m\u01b0a.<\/p>\n<p><em>+ \u0110\u1ed9 d\u1ed1c m\u00e1i v\u00e0 hi\u1ec7n tr\u01b0\u1eddng thi c\u00f4ng<\/em><\/p>\n<p>Ranh gi\u1edbi v\u00e0 cao \u0111\u1ed9 \u0111\u01b0\u1ee3c ghi r\u00f5 trong c\u00e1c b\u1ea3n v\u1ebd l\u00e0 s\u1ef1 li\u00ean h\u1ec7 duy nh\u1ea5t t\u1edbi c\u00e1c y\u00eau c\u1ea7u cho c\u00e1c c\u00f4ng vi\u1ec7c l\u00e2u d\u00e0i. M\u00e1i d\u1ed1c ph\u1ea3i \u0111\u1ea3m b\u1ea3o s\u1ef1 \u1ed5n \u0111\u1ecbnh, ch\u1ed1ng tr\u01b0\u1ee3t c\u1ee7a h\u1ed1 \u0111\u00e0o.<\/p>\n<p><em>+\u0110\u00e0o v\u01b0\u1ee3t qu\u00e1 quy \u0111\u1ecbnh<\/em><\/p>\n<p>T\u1ea5t c\u1ea3 c\u00e1c kh\u1ed1i \u0111\u00e0o v\u01b0\u1ee3t qu\u00e1 quy \u0111\u1ecbnh, v\u00ec b\u1ea5t k\u1ef3 l\u00fd do n\u00e0o \u0111\u1ec1u ph\u1ea3i \u0111\u1eafp tr\u1ea3 l\u1ea1i c\u00f9ng v\u1edbi vi\u1ec7c x\u00e1c \u0111\u1ecbnh v\u1eadt li\u1ec7u \u0111\u1eafp tr\u1ea3 l\u1ea1i.<\/p>\n<p><em>+ C\u00e1c gi\u00e1 \u0111\u1ee1 t\u1ea1m th\u1eddi<\/em><\/p>\n<p>&#8211; Nh\u00e0 th\u1ea7u c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n theo bi\u1ec7n ph\u00e1p thi c\u00f4ng v\u1edbi chi ph\u00ed c\u1ee7a m\u00ecnh \u0111\u1ec3 quy\u1ebft \u0111\u1ecbnh s\u1eed d\u1ee5ng c\u00e1c tr\u1ee5 gi\u00e1 \u0111\u1ee1 t\u1ea1m th\u1eddi nh\u01b0 g\u1ed7, c\u1ed9t th\u00e9p \u0111\u1ec3 ch\u1ed1ng m\u00e1i \u0111\u00e0o thay cho m\u00e1i d\u1ed1c t\u1ef1 nhi\u00ean. Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, Nh\u00e0 th\u1ea7u ph\u1ea3i \u0111\u1ec7 tr\u00ecnh c\u00e1c t\u00ednh to\u00e1n chi ti\u1ebft v\u00e0 c\u00e1c b\u1ea3n v\u1ebd cho Ch\u1ee7 \u0111\u1ea7u t\u01b0\u00a0 ph\u00ea duy\u1ec7t tr\u01b0\u1edbc khi thi c\u00f4ng, vi\u1ec7c ph\u00ea duy\u1ec7t \u0111\u00f3 kh\u00f4ng l\u00e0m gi\u1ea3m tr\u00e1ch nhi\u1ec7m c\u1ee7a Nh\u00e0 th\u1ea7u trong vi\u1ec7c th\u1ef1c hi\u1ec7n c\u00f4ng t\u00e1c ch\u1ed1ng \u0111\u1ee1 t\u1ea1m.<\/p>\n<p>&#8211; Nh\u1eefng n\u01a1i s\u1eed d\u1ee5ng m\u00e1i d\u1ed1c t\u1ef1 nhi\u00ean \u0111\u1ec3 \u0111\u00e0o, c\u00f3 th\u1ec3 s\u1ebd g\u00e2y nguy hi\u1ec3m cho c\u00e1c k\u1ebft c\u1ea5u hi\u1ec7n c\u00f3 ho\u1eb7c g\u00e2y tr\u1edf ng\u1ea1i cho c\u00e1c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a Nh\u00e0 th\u1ea7u kh\u00e1c trong c\u00f9ng khu v\u1ef1c thi c\u00f4ng th\u00ec Nh\u00e0 th\u1ea7u ph\u1ea3i s\u1eed d\u1ee5ng c\u00e1c tr\u1ee5 \u0111\u1ee1 t\u1ea1m th\u1eddi \u0111\u1ec3 b\u1ea3o v\u1ec7 m\u00e1i d\u1ed1c c\u1ee7a m\u00ecnh nh\u01b0 \u0111\u00e3 n\u00f3i \u1edf tr\u00ean. N\u1ebfu Ch\u1ee7 \u0111\u1ea7u t\u01b0\u00a0 cho r\u1eb1ng vi\u1ec7c d\u1ee1 b\u1ecf nh\u1eefng tr\u1ee5 \u0111\u1ee1 l\u00e0 kh\u00f4ng th\u1ef1c t\u1ebf th\u00ec Ch\u1ee7 \u0111\u1ea7u t\u01b0\u00a0 c\u00f3 th\u1ec3 y\u00eau c\u1ea7u\u00a0 ch\u00fang \u0111\u01b0\u1ee3c gi\u1eef l\u1ea1i l\u00e2u d\u00e0i \u1edf v\u1ecb tr\u00ed \u0111\u00f3.<\/p>\n<p><em>+D\u1ef1 tr\u1eef v\u1eadt li\u1ec7u \u0111\u1ec3 s\u1eed d\u1ee5ng l\u1ea1i<\/em><\/p>\n<p>Theo quan \u0111i\u1ec3m c\u1ee7a Ch\u1ee7 \u0111\u1ea7u t\u01b0, v\u1eadt li\u1ec7u \u0111\u00e0o th\u00edch h\u1ee3p cho vi\u1ec7c s\u1eed d\u1ee5ng \u0111\u1eafp l\u1ea1i \u1edf m\u1ed9t v\u1ecb tr\u00ed n\u00e0o \u0111\u00f3, Nh\u00e0 th\u1ea7u s\u1ebd ph\u1ea3i t\u00e1ch ri\u00eang v\u1eadn chuy\u1ec3n v\u00e0 d\u1ef1 tr\u1eef \u1edf m\u1ed9t v\u1ecb tr\u00ed\u00a0 th\u00edch h\u1ee3p \u0111\u01b0\u1ee3c Ch\u1ee7 \u0111\u1ea7u t\u01b0\u00a0 ch\u1ea5p thu\u1eadn.<\/p>\n<p><em>+ Lo\u1ea1i b\u1ecf v\u1eadt li\u1ec7u \u0111\u00e0o<\/em><\/p>\n<p>&#8211; Lo\u1ea1i tr\u1eeb c\u00e1c tr\u01b0\u1eddng h\u1ee3p \u0111\u01b0\u1ee3c ghi r\u00f5, t\u1ea5t c\u1ea3 v\u1eadt li\u1ec7u \u0111\u00e0o s\u1ebd \u0111\u01b0\u1ee3c v\u1eadn chuy\u1ec3n t\u1edbi khu v\u1ef1c b\u00e3i th\u1ea3i trong c\u00e1c khu v\u1ef1c \u0111\u01b0\u1ee3c Ch\u1ee7 \u0111\u1ea7u t\u01b0\u00a0 ch\u1ec9 \u0111\u1ecbnh. Kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1ed5 b\u1ea5t k\u1ef3 v\u1eadt li\u1ec7u th\u1ea3i n\u00e0o ngo\u00e0i ph\u1ea1m vi \u0111\u00e3 \u0111\u01b0\u1ee3c\u00a0 quy \u0111\u1ecbnh.<\/p>\n<p>&#8211; C\u00e1c v\u1eadt li\u1ec7u th\u1ea3i s\u1ebd \u0111\u1ed5 v\u00e0 \u0111\u1ea7m ch\u1eb7t v\u1edbi h\u1ec7 s\u1ed1 m\u00e1i d\u1ed1c kh\u00f4ng nh\u1ecf h\u01a1n 1: 2, \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u1ed5n \u0111\u1ecbnh v\u00e0 tr\u00e1nh ch\u1ea3y ra xung quanh.<\/p>\n<ol style=\"list-style-type: upper-roman;\">\n<li value=\"4\"><strong><em>C\u00f4ng t\u00e1c \u0110\u1eafp \u0111\u1ea5t<\/em><\/strong><\/li>\n<\/ol>\n<p>C\u00e1c c\u00f4ng vi\u1ec7c trong ph\u1ea7n n\u00e0y bao g\u1ed3m vi\u1ec7c th\u1ef1c hi\u1ec7n t\u1ea5t c\u1ea3 c\u00e1c c\u00f4ng vi\u1ec7c v\u1ec1 \u0111\u1eafp m\u1eb7t b\u1eb1ng v\u00e0 \u0111\u1eafp ch\u00e2n taluy.<\/p>\n<p>Kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1eafp \u0111\u1ea5t \u1edf b\u1ea5t k\u1ef3 m\u1ed9t v\u1ecb tr\u00ed n\u00e0o khi ch\u01b0a c\u00f3 s\u1ef1 ki\u1ec3m tra v\u00e0 ch\u1ea5p thu\u1eadn c\u1ee7a Ch\u1ee7 \u0111\u1ea7u t\u01b0.<\/p>\n<p>\u1ede c\u00e1c v\u1ecb tr\u00ed n\u1ebfu th\u1ea5y \u0111\u1ea5t \u0111\u1eafp b\u1ecb x\u1ed1p nh\u1eb9, x\u00f3i l\u1edf ho\u1eb7c b\u1ea5t k\u1ef3 m\u1ed9t h\u01b0 h\u1ecfng n\u00e0o kh\u00e1c \u0111\u1ec1u ph\u1ea3i d\u1ee1 b\u1ecf v\u00e0 \u0111\u1eafp l\u1ea1i khi Ch\u1ee7 \u0111\u1ea7u t\u01b0\u00a0 y\u00eau c\u1ea7u.<\/p>\n<p>\u0110\u1ea5t \u0111\u1eafp \u1edf v\u00f9ng \u0111\u1eafp \u0111\u01b0\u1ee3c l\u1ea5y \u0111\u1ea5t \u1edf v\u00f9ng \u0111\u00e0o \u0111\u1ec3 \u0111\u1eafp. \u0110\u1ea5t \u1edf v\u00f9ng \u0111\u00e0o \u0111\u01b0\u1ee3c \u0111\u1eafp cho v\u00f9ng \u0111\u1eafp ngay b\u00ean c\u1ea1nh, kh\u00f4ng ph\u1ea3i v\u1eadn chuy\u1ec3n \u0111i xa. \u0110\u1ea5t \u0111\u1eafp kh\u00f4ng \u0111\u01b0\u1ee3c l\u1eabn r\u1ec5 c\u00e2y, c\u1ecf r\u00e1c, kh\u00f4ng \u0111\u01b0\u1ee3c qu\u00e1 5% l\u01b0\u1ee3ng t\u1ea1p ch\u1ea5t.<\/p>\n<p>\u0110\u1ed1i v\u1edbi khu v\u1ef1c \u0111\u1eafp \u0111\u1ea5t, n\u1ebfu \u0111\u1ed9 d\u1ed1c c\u1ee7a s\u01b0\u1eddn d\u1ed1c nh\u1ecf h\u01a1n 20% th\u00ec sau khi \u0111\u00e0o l\u1edbp ph\u1ee7 ti\u1ebfn h\u00e0nh \u0111\u1eafp n\u1ec1n b\u00ecnh th\u01b0\u1eddng, n\u1ebfu \u0111\u1ed9 d\u1ed1c c\u1ee7a s\u01b0\u1eddn d\u1ed1c l\u1edbn h\u01a1n 20% th\u00ec sau khi c\u00e0o b\u1ecf l\u1edbp ph\u1ee7 ph\u1ea3i l\u00e0m gi\u1eadt c\u1ea5p t\u1eeb 1,5 &#8211; 2m r\u1ed3i m\u1edbi ti\u1ebfn h\u00e0nh san n\u1ec1n \u0111\u1ec3 t\u1ea1o s\u1ef1 li\u00ean k\u1ebft t\u1ed1t gi\u1eefa c\u00e1c l\u1edbp \u0111\u1ea5t tr\u00e1nh l\u00fan, tr\u01b0\u1ee3t cho c\u00f4ng tr\u00ecnh.<\/p>\n<p>\u0110\u1ea5t \u0111\u1eafp \u0111\u01b0\u1ee3c \u0111\u1eafp th\u00e0nh t\u1eebng l\u1edbp \u0111\u1ea7m ch\u1eb7t v\u1edbi h\u1ec7 s\u1ed1 \u0111\u1ea7m n\u00e9n K=0,90 (bao g\u1ed3m c\u1ea3 m\u1eb7t b\u1eb1ng v\u00e0 taluy), chi\u1ec1u d\u00e0y t\u1eebng l\u1edbp \u0111\u01b0\u1ee3c th\u00ed nghi\u1ec7m t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng t\u00f9y thu\u1ed9c v\u00e0o m\u00e1y m\u00f3c thi c\u00f4ng nh\u01b0ng chi\u1ec1u d\u00e0y m\u1ed7i l\u1edbp kh\u00f4ng qu\u00e1 50cm.<\/p>\n<p>Tr\u01b0\u1edbc khi \u0111\u1eafp \u0111\u1ea5t ph\u1ea3i ti\u1ebfn h\u00e0nh \u0111\u1ea7m th\u00ed \u0111i\u1ec3m t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng v\u1edbi t\u1eebng lo\u1ea1i \u0111\u1ea5t v\u00e0 t\u1eebng lo\u1ea1i m\u00e1y \u0111em s\u1eed d\u1ee5ng nh\u1eb1m m\u1ee5c \u0111\u00edch:<\/p>\n<p>&#8211; Hi\u1ec7u ch\u1ec9nh b\u1ec1 d\u00e0y l\u1edbp \u0111\u1ea5t r\u1ea3i \u0111\u1ec3 \u0111\u1ea7m.<\/p>\n<p>&#8211; X\u00e1c \u0111\u1ecbnh c\u00f4ng \u0111\u1ea7m lu theo \u0111i\u1ec1u ki\u1ec7n th\u1ef1c t\u1ebf \u0111\u1ec3 \u0111\u1ea1t \u0111\u1ed9 ch\u1eb7t K theo y\u00eau c\u1ea7u thi\u1ebft k\u1ebf..<\/p>\n<p><u>Ch\u00fa \u00fd<\/u>: L\u1ea5y m\u1ed9t m\u1eabu \u0111\u1ea5t \u0111\u1ea1i di\u1ec7n c\u1ee7a lo\u1ea1i \u0111\u1ea5t d\u1ef1 ki\u1ebfn \u0111\u1ec3 \u0111\u1eafp, mang v\u1ec1 Ph\u00f2ng th\u00ed nghi\u1ec7m chuy\u00ean ng\u00e0nh x\u00e2y d\u1ef1ng \u0111\u1ec3 th\u00ed nghi\u1ec7m m\u1ed9t s\u1ed1 ch\u1ec9 ti\u00eau c\u01a1 l\u00fd (\u00f3<sub>k<\/sub><sup>max<\/sup> &#8211; W<sub>O<\/sub>; PP \u2013 PL; Th\u00e0nh ph\u1ea7n h\u1ea1t; \u0110\u1ed9 tr\u01b0\u01a1ng n\u1edf, CBR ho\u1eb7c modul \u0111\u00e0n h\u1ed3i trong ph\u00f2ng th\u00ed nghi\u1ec7m\u2026) \u0111\u1ec3 \u0111\u1ed1i chi\u1ebfu v\u1edbi y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt, n\u1ebfu \u0111\u1ea1t y\u00eau c\u1ea7u m\u1edbi ti\u1ebfn h\u00e0nh \u0111\u1eafp.<\/p>\n<p><strong><em>C\u1ea7n ph\u1ea3i \u0111\u1eafp \u0111\u1ea5t b\u1eb1ng lo\u1ea1i \u0111\u1ea5t \u0111\u1ed3ng nh\u1ea5t, ph\u1ea3i \u0111\u1eb7c bi\u1ec7t ch\u00fa \u00fd theo \u0111\u00fang nguy\u00ean t\u1eafc sau \u0111\u00e2y:<\/em><\/strong><\/p>\n<p>&#8211; B\u1ec1 d\u1ea7y l\u1edbp \u0111\u1ea5t \u00edt th\u1ea5m n\u01b0\u1edbc n\u1eb1m d\u01b0\u1edbi l\u1edbp \u0111\u1ea5t th\u1ea5m n\u01b0\u1edbc nhi\u1ec1u ph\u1ea3i c\u00f3 \u0111\u1ed9 d\u1ed1c 0,04 \u0111\u1ebfn 0,1 k\u1ec3 t\u1eeb c\u00f4ng tr\u00ecnh \u0111\u1ebfn m\u00e9p bi\u00ean.<\/p>\n<p>&#8211; C\u1ea5m \u0111\u1eafp m\u00e1i \u0111\u1ea5t b\u1eb1ng lo\u1ea1i h\u1ed7n h\u1ee3p g\u1ed3m c\u00e1t, c\u00e1t th\u1ecbt, v\u1ecf s\u1ea1n khi c\u00f3 v\u1ecf v\u1eadt li\u1ec7u v\u1edbi c\u1ea5u tr\u00fac h\u1ed7n h\u1ee3p t\u1ef1 nhi\u00ean.<\/p>\n<p>Tr\u01b0\u1edbc khi \u0111\u1eafp \u0111\u1ea5t ho\u1eb7c r\u1ea3i l\u1edbp \u0111\u1ea5t ti\u1ebfp theo \u0111\u1ec3 \u0111\u1ea7m, b\u1ec1 m\u1eb7t l\u1edbp tr\u01b0\u1edbc ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u00e1nh x\u1eddm. Khi s\u1eed d\u1ee5ng \u0111\u1ea7m ch\u00e2n c\u1eebu \u0111\u1ec3 \u0111\u1ea7m \u0111\u1ea5t th\u00ec kh\u00f4ng c\u1ea7n ph\u1ea3i \u0111\u00e1nh x\u1eddm.<\/p>\n<p><strong><em>&#8211; Bi\u1ec7n ph\u00e1p thi c\u00f4ng \u0111\u1eafp \u0111\u1ea5t:<\/em><\/strong><\/p>\n<p>&#8211; Khi r\u1ea3i \u0111\u1ea5t \u0111\u1ec3 \u0111\u1ea7m, c\u1ea7n ti\u1ebfn h\u00e0nh r\u1ea3i t\u1eeb m\u00e9p bi\u00ean ti\u1ebfn d\u1ea7n v\u00e0o gi\u1eefa.<\/p>\n<p>&#8211; Ch\u1ec9 \u0111\u01b0\u1ee3c r\u1ea3i l\u1edbp ti\u1ebfp theo khi l\u1edbp d\u01b0\u1edbi \u0111\u00e3 \u0111\u1ea1t \u0111\u1ed9 ch\u1eb7t y\u00eau c\u1ea7u.<\/p>\n<p>&#8211; \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u1ed1i l\u01b0\u1ee3ng th\u1ec3 t\u00edch kh\u00f4 thi\u1ebft k\u1ebf \u0111\u1eafp \u0111\u1ea5t \u1edf m\u00e1i d\u1ed1c v\u00e0 m\u00e9p bi\u00ean khi r\u1ea3i \u0111\u1ea5t \u0111\u1ec3 \u0111\u1ea7m, ph\u1ea3i r\u1ea3i r\u1ed9ng h\u01a1n \u0111\u01b0\u1eddng bi\u00ean thi\u1ebft k\u1ebf t\u1eeb 20 \u0111\u1ebfn 30cm t\u00ednh theo chi\u1ec1u th\u1eb3ng \u0111\u1ee9ng \u0111\u1ed1i v\u1edbi m\u00e1i d\u1ed1c. Ph\u1ea7n \u0111\u1ea5t t\u01a1i kh\u00f4ng \u0111\u1ea1t kh\u1ed1i l\u01b0\u1ee3ng th\u1ec3 t\u00edch kh\u00f4 thi\u1ebft k\u1ebf ph\u1ea3i lo\u1ea1i b\u1ecf v\u00e0 t\u1eadn d\u1ee5ng v\u00e0o ph\u1ea7n \u0111\u1eafp.<\/p>\n<p>T\u1ea5t c\u1ea3 c\u00e1c c\u00f4ng vi\u1ec7c th\u1ef1c hi\u1ec7n \u0111\u1ec1u ph\u1ea3i \u0111\u01b0\u1ee3c s\u1ef1 gi\u00e1m s\u00e1t v\u00e0 \u0111\u1ed3ng \u00fd cho ph\u00e9p c\u1ee7a TVGS v\u00e0 Ch\u1ee7 \u0111\u1ea7u t\u01b0.<\/p>\n<p><strong><em>V. C\u00f4ng t\u00e1c \u0111\u1ea7m:<\/em><\/strong><\/p>\n<p>Vi\u1ec7c \u0111\u1ea7m l\u1edbp v\u1eadt li\u1ec7u \u0111\u00e3 san g\u1ea1t s\u1ebd kh\u00f4ng \u0111\u1ef1\u01a1c th\u1ef1c hi\u1ec7n cho t\u1edbi khi \u0111\u1ed9 \u1ea9m v\u00e0 chi\u1ec1u d\u00e0y c\u1ee7a l\u1edbp \u0111\u1ea5t \u0111\u01b0\u1ee3c ki\u1ec3m tra, \u0111\u01b0\u1ee3c Ch\u1ee7 \u0111\u1ea7u t\u01b0 ch\u1ea5p thu\u1eadn.<\/p>\n<p>Sau m\u1ed7i l\u1edbp \u0111\u1eafp \u0111\u01b0\u1ee3c \u0111\u1ed5, san g\u1ea1t v\u00e0 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 \u1ea9m n\u1ebfu c\u1ea7n ta ti\u1ebfn h\u00e0nh ngay c\u00f4ng t\u00e1c \u0111\u1ea7m b\u1eb1ng c\u00e1c l\u01b0\u1ee3t \u0111\u1ea7m \u0111\u01b0\u1ee3c ghi r\u00f5 d\u01b0\u1edbi \u0111\u00e2y.<\/p>\n<p><strong><em>&#8211; C\u00e1c \u0111\u1ecbnh ngh\u0129a:<\/em><\/strong><\/p>\n<p>L\u01b0\u1ee3t k\u00edn: L\u01b0\u1ee3t k\u00edn \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a nh\u01b0 m\u1ed9t qu\u00e1 tr\u00ecnh \u0111\u1ea1t \u0111\u01b0\u1ee3c khi t\u1ea5t c\u1ea3 c\u00e1c ph\u1ea7n c\u1ee7a b\u1ec1 m\u1eb7t l\u1edbp \u0111\u01b0\u1ee3c ti\u1ebfp x\u00fac t\u1ed1i thi\u1ec3u m\u1ed9t l\u1ea7n v\u1edbi b\u1ec1 m\u1eb7t c\u1ee7a thi\u1ebft b\u1ecb \u0111\u1ea7m.<\/p>\n<p>L\u01b0\u1ee3t \u0111\u01a1n: L\u01b0\u1ee3t \u0111\u01a1n \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a l\u00e0 m\u1ed9t chuy\u1ec3n \u0111\u1ed9ng li\u00ean t\u1ee5c c\u1ee7a m\u00e1y \u0111\u1ea7m ch\u1ec9 theo m\u1ed9t h\u01b0\u1edbng.<\/p>\n<p>V\u1edbi \u0111\u1ea7m rung, m\u1ed9t l\u01b0\u1ee3t \u0111\u1ea7m k\u00edn s\u1ebd bao g\u1ed3m\u00a0 m\u1ed9t l\u01b0\u1ee3t \u0111\u01a1n c\u1ee7a m\u1ed7i \u0111\u1ea7m; ngh\u0129a l\u00e0 m\u1ed9t l\u01b0\u1ee3t \u0111\u1ea7m \u0111\u01a1n c\u1ee7a lu hai b\u00e1nh theo m\u1ed9t h\u01b0\u1edbng b\u00e1nh tr\u01b0\u1edbc, b\u00e1nh sau t\u1ea1o th\u00e0nh hai l\u01b0\u1ee3t. Khi \u0111\u1ea7m b\u1eb1ng \u0111\u1ea7m b\u00e1nh h\u01a1i th\u00ec m\u1ed9t l\u01b0\u1ee3t k\u00edn \u0111\u01b0\u1ee3c t\u00ednh l\u00e0 2 ho\u1eb7c h\u01a1n 2 l\u01b0\u1ee3t \u0111\u01a1n c\u1ee7a thi\u1ebft b\u1ecb \u0111\u1ea7m t\u1edbi khi to\u00e0n b\u1ed9 to\u00e0n b\u1ed9 b\u1ec1 m\u1eb7t \u0111\u01b0\u1ee3c \u0111\u1ea7m. Trong l\u01b0\u1ee3t \u0111\u1ea7m th\u1ee9 hai ho\u1eb7c ba th\u00ec b\u00e1nh m\u00e1y \u0111\u1ea7m ph\u1ea3i \u0111i tr\u00ean khu v\u1ef1c gi\u1eefa v\u1ebft b\u00e1nh th\u1ee9 nh\u1ea5t n\u01a1i ch\u01b0a \u0111\u01b0\u1ee3c \u0111\u1ea7m \u1edf l\u1ea7n tr\u01b0\u1edbc.<\/p>\n<p><strong><em>&#8211; Thi\u1ebft b\u1ecb \u0111\u1ea7m :<\/em><\/strong><\/p>\n<p>Thi\u1ebft b\u1ecb \u0111\u1ea7m \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u00e0 thi c\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi t\u00ednh n\u0103ng c\u1ee7a m\u00e1y v\u00e0 n\u00f3\u00a0 \u0111\u01b0\u1ee3c \u0111i\u1ec1u h\u00e0nh b\u1edfi ng\u01b0\u1eddi c\u00f3 kinh nghi\u1ec7m trong ngh\u1ec1.<\/p>\n<p>Khi c\u00e1c m\u00e1y \u0111\u1ea7m l\u00e0m vi\u1ec7c trong m\u1ed9t t\u1ed5 h\u1ee3p ho\u1eb7c m\u1ed9t b\u1ed9 \u0111\u00f4i, t\u1ed5 h\u1ee3p v\u1eadn h\u00e0nh c\u00e1i tr\u01b0\u1edbc, c\u00e1i sau tr\u00ean c\u00f9ng m\u1ed9t v\u1ec7t th\u00ec t\u1ea5t c\u1ea3 c\u00e1c m\u00e1y \u0111\u1ea7m theo ki\u1ec3u n\u00e0y ph\u1ea3i c\u00f9ng k\u00edch c\u1ee1, c\u00f9ng b\u1ec1 r\u1ed9ng, v\u1ec1 c\u01a1 b\u1ea3n c\u00f9ng tr\u1ecdng l\u01b0\u1ee3ng, c\u00f9ng ki\u1ec3u v\u1eadn h\u00e0nh.<\/p>\n<p><strong><em>&#8211; Quy tr\u00ecnh \u0111\u1ea7m:<\/em><\/strong><\/p>\n<p>Nh\u00e0 th\u1ea7u ph\u1ea3i b\u1ed1 tr\u00ed lu l\u00e8n th\u00ed \u0111i\u1ec3m tr\u00ean m\u1ed9t \u0111o\u1ea1n c\u00f3 chi\u1ec1u d\u00e0i t\u1eeb 50 \u0111\u1ebfn100m tr\u01b0\u1edbc s\u1ef1 ch\u1ee9ng ki\u1ebfn c\u1ee7a Ch\u1ee7 \u0111\u1ea7u t\u01b0 \u0111\u1ec3 ki\u1ec3m\u00a0 tra s\u01a1 \u0111\u1ed3 lu, c\u00f4ng lu v\u00e0 t\u00ednh n\u0103ng ho\u1ea1t \u0111\u1ed9ng t\u1ed1t c\u1ee7a thi\u1ebft b\u1ecb \u0111\u1ec3 Ch\u1ee7 \u0111\u1ea7u t\u01b0 ch\u1ea5p thu\u1eadn. Tr\u00ecnh t\u1ef1 thi c\u00f4ng nh\u01b0 sau:<\/p>\n<p>&#8211; Sau khi tr\u1ea3i v\u1eadt li\u1ec7u v\u00e0 kh\u1ed1ng ch\u1ebf \u0111\u1ed9 \u1ea9m trong gi\u1edbi h\u1ea1n ta m\u1edbi ti\u1ebfn h\u00e0nh \u0111\u1ea7m.<\/p>\n<p>&#8211; C\u00f4ng t\u00e1c \u0111\u1ea7m tr\u00ean m\u1ed7i l\u1edbp v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh theo quy tr\u00ecnh, c\u00f3 th\u1ee9 t\u1ef1, li\u00ean t\u1ee5c \u0111\u1ea3m b\u1ea3o chi\u1ec1u d\u1ea7y l\u1edbp v\u00e0 s\u1ed1 l\u01b0\u1ee3t \u0111\u1ea7m.\u00a0 H\u01b0\u1edbng l\u0103n \u0111\u1ea7m n\u00f3i chung l\u00e0 song song v\u1edbi h\u01b0\u1edbng \u0111\u1ed5 v\u1eadt li\u1ec7u.<\/p>\n<p>&#8211; Tr\u01b0\u1edbc khi r\u1ea3i m\u1ed9t l\u1edbp m\u1edbi tr\u00ean m\u1ed9t l\u1edbp \u0111\u00e3 \u0111\u1ea7m, l\u1edbp \u0111\u1ea7m \u0111\u00f3 ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u00e1nh x\u1eddm b\u1ec1 m\u1eb7t b\u00e0ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e3 n\u00eau \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ef1 li\u00ean k\u1ebft t\u1ed1t gi\u1eefa c\u00e1c l\u1edbp.<\/p>\n<p>&#8211; Nh\u00e0 th\u1ea7u ph\u1ea3i s\u1eed d\u1ee5ng nh\u1eefng thi\u1ebft b\u1ecb \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 \u0111\u1ea7m v\u1eadt li\u1ec7u \u1edf nh\u1eefng v\u1ecb tr\u00ed m\u00e0 kh\u00f4ng th\u1ec3 d\u00f9ng c\u00e1c thi\u1ebft b\u1ecb v\u00e0 quy tr\u00ecnh th\u00f4ng th\u01b0\u1eddng.<\/p>\n<p>&#8211; Ti\u1ebfn h\u00e0nh lu l\u00e8n \u0111\u1ed3ng \u0111\u1ec1u tr\u00ean b\u1ec1 m\u1eb7t, ch\u00fa \u00fd cho lu \u0111i s\u00e1t m\u00e9p ra ph\u1ea7n \u0111\u1eafp d\u01b0 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u1eb7t to\u00e0n b\u1ed9 m\u1eb7t b\u1eb1ng; khi lu l\u00e8n cho lu \u0111i t\u1eeb th\u1ea5p l\u00ean cao \u0111\u1ec3 tr\u00e1nh v\u1eadt li\u1ec7u b\u1ecb \u0111\u1ea7y tr\u00f4i.<\/p>\n<p>&#8211; Trong qu\u00e1 tr\u00ecnh lu ti\u1ebfn h\u00e0nh lu t\u1eeb ngo\u00e0i v\u00e0o trong, lu t\u1eeb th\u1ea5p l\u00ean cao. C\u00e1c v\u1ec7t b\u00e1nh lu ph\u1ea3i ch\u1ed3ng l\u00ean nhau t\u1eeb 25 \u0111\u1ebfn 50cm theo chi\u1ec1u d\u1ecdc v\u1ec7t lu. Ti\u1ebfn h\u00e0nh lu l\u00e8n \u0111\u1ed3ng \u0111\u1ec1u tr\u00ean b\u1ec1 m\u1eb7t chi\u1ec1u r\u1ed9ng.<\/p>\n<p>-\u0110\u1ed9 \u1ea9m c\u1ee7a \u0111\u1ea5t khi \u0111\u1ea7m lu ch\u1ec9 \u0111\u01b0\u1ee3c sai kh\u00e1c \u00b12% so v\u1edbi \u0111\u1ed9 \u1ea9m t\u1ed1t nh\u1ea5t c\u1ee7a lo\u1ea1i \u0111\u1ea5t \u0111\u00f3 t\u00ecm \u0111\u01b0\u1ee3c trong ph\u00f2ng th\u00ed nghi\u1ec7m.<\/p>\n<p><strong><em>&#8211; Ki\u1ec3m so\u00e1t v\u1eadt li\u1ec7u \u0111\u1eafp:<\/em><\/strong><\/p>\n<p>\u0110\u1ea5t d\u00f9ng \u0111\u1ec3 \u0111\u1eafp \u0111\u01b0\u1ee3c l\u1ea5y ngay t\u1ea1i ch\u1ed7 \u0111\u00e0o tr\u00ean m\u1eb7t b\u1eb1ng sau khi \u0111\u00e3 b\u00f3c b\u1ecf l\u1edbp \u0111\u1ea5t h\u1eefu c\u01a1 0,3m. Nh\u00e0 th\u1ea7u ph\u1ea3i l\u1ea5y m\u1eabu \u0111\u1ec3 ti\u1ebfn h\u00e0nh th\u00ed nghi\u1ec7m nh\u01b0 \u0111\u00e3 tr\u00ecnh b\u00e0y \u1edf tr\u00ean. S\u1ed1 l\u01b0\u1ee3ng m\u1eabu th\u00ed nghi\u1ec7m ph\u1ea3i\u00a0 \u0111\u1ee7 \u0111\u1ec3 ph\u1ee5c v\u1ee5 vi\u1ec7c ki\u1ec3m so\u00e1t v\u1eadt li\u1ec7u, cho ph\u00e9p v\u1eadt li\u1ec7u \u0111\u1eafp tr\u1ef1c ti\u1ebfp ho\u1eb7c ph\u1ea3i x\u1eed l\u00fd tr\u01b0\u1edbc khi \u0111\u1eafp.<\/p>\n<p>K\u1ebft qu\u1ea3 c\u1ee7a c\u00e1c th\u00ed nghi\u1ec7m n\u00e0y ph\u1ea3i \u0111\u1ec7 tr\u00ecnh l\u00ean Ch\u1ee7 \u0111\u1ea7u t\u01b0. Kh\u00f4ng ph\u1ea7n \u0111\u1eafp n\u00e0o \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t n\u1ebfu nh\u01b0 kh\u00f4ng c\u00f3 \u00edt nh\u1ea5t l\u00e0 3 k\u1ebft qu\u1ea3 th\u00ed nghi\u1ec7m \u0111\u1ea1t y\u00eau c\u1ea7u.<\/p>\n<p>S\u1ed1 l\u1ea7n th\u00ed nghi\u1ec7m s\u1ebd \u0111\u01b0\u1ee3c t\u0103ng l\u00ean hai l\u1ea7n khi \u0111\u1eafp 5% th\u1ec3 t\u00edch kh\u1ed1i \u0111\u1eafp \u0111\u1ea7u ti\u00ean v\u00e0 khi \u0111\u1eb7c t\u00ednh c\u1ee7a v\u1eadt li\u1ec7u \u0111\u1eafp thay \u0111\u1ed5i.<\/p>\n<p>C\u00e1c th\u00ed nghi\u1ec7m c\u1ea7n thi\u1ebft \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh dung tr\u1ecdng kh\u00f4 t\u1ed1i \u01b0u l\u00e0 tr\u00e1ch nhi\u1ec7m c\u1ee7a Nh\u00e0 th\u1ea7u v\u00e0 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n trong ph\u00f2ng th\u00ed nghi\u1ec7m. Nh\u00e0 th\u1ea7u ph\u1ea3i l\u1ea5y c\u00e1c m\u1eabu d\u1ecdc theo tr\u1ee5c \u1edf kho\u1ea3ng c\u00e1ch kh\u00f4ng l\u1edbn h\u01a1n 500 m v\u00e0 t\u1ea1i c\u00e1c v\u1ecb tr\u00ed n\u00e0o hi\u1ec3n th\u1ecb \u0111\u1eb7c t\u00ednh c\u1ee7a \u0111\u1ea5t.<\/p>\n<p><strong><em>-\u0110i\u1ec1u ch\u1ec9nh h\u00e0m l\u01b0\u1ee3ng \u0111\u1ed9 \u1ea9m khi \u0111\u1ea7m:<\/em><\/strong><\/p>\n<p>Nh\u00e0 th\u1ea7u ph\u1ea3i l\u1ea5y m\u1ed9t l\u01b0\u1ee3ng m\u1eabu v\u1eeba \u0111\u1ee7 (kh\u00f4ng nh\u1ecf h\u01a1n 5) \u1edf khu v\u1ef1c san g\u1ea1t v\u1eadt li\u1ec7u tr\u01b0\u1edbc khi \u0111\u1ea7m \u0111\u1ec3 ki\u1ec3m tra h\u00e0m l\u01b0\u1ee3ng n\u01b0\u1edbc. Nh\u1eefng m\u1eabu n\u00e0y \u0111\u01b0\u1ee3c l\u1ea5y \u1edf c\u00e1c v\u1ecb tr\u00ed kh\u00e1c nhau, t\u1eeb h\u00e0m l\u01b0\u1ee3ng n\u01b0\u1edbc \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh ta \u0111i x\u00e1c \u0111\u1ecbnh dung tr\u1ecdng ph\u00f9 h\u1ee3p cho kh\u1ed1i \u0111\u1eafp.<\/p>\n<p>Khi c\u00e1c th\u00ed nghi\u1ec7m ti\u1ebfn h\u00e0nh trong ph\u00f2ng th\u00ed nghi\u1ec7m, c\u00e1c m\u1eabu x\u00e1c \u0111\u1ecbnh h\u00e0m l\u01b0\u1ee3ng n\u01b0\u1edbc \u0111\u01b0\u1ee3c \u0111\u1eb7t trong v\u1eadt ch\u1ee9a ch\u1ed1ng \u1ea9m nh\u01b0 chai, l\u1ecd thu\u1ef7 tinh \u0111\u01b0\u1ee3c b\u1ecbt k\u00edn.<\/p>\n<p>K\u1ebft qu\u1ea3 th\u00ed nghi\u1ec7m thu \u0111\u01b0\u1ee3c s\u1ebd tr\u00ecnh l\u00ean Ch\u1ee7 \u0111\u1ea7u t\u01b0 c\u00f9ng v\u1edbi vi\u1ec7c tr\u00ecnh duy\u1ec7t ph\u1ea7n \u0111\u1eafp \u0111\u00e3 ho\u00e0n th\u00e0nh c\u00f4ng vi\u1ec7c \u0111\u1ea7m n\u00e9n.<\/p>\n<p>Kh\u1ed1ng ch\u1ebf \u0111\u1ed9 \u1ea9m \u0111\u1ea5t \u0111\u1ea7m: T\u01b0\u1edbi n\u01b0\u1edbc b\u1eb1ng v\u00f2i hoa sen ho\u1eb7c v\u00f2i phun xe t\u01b0\u1edbi nh\u01b0ng ph\u1ea3i h\u01b0\u1edbng v\u00f2i l\u00ean tr\u00ean \u0111\u1ec3 t\u1ea1o m\u01b0a n\u1ebfu \u0111\u1ed9 \u1ea9m t\u1ef1 nhi\u00ean th\u1ea5p, n\u1ebfu l\u1edbn h\u01a1n \u0111\u1ed9 \u1ea9m t\u1ed1t nh\u1ea5t th\u00ec c\u1ea7n ph\u1ea3i san r\u1ea3i \u0111\u1ec3 ph\u01a1i \u0111\u1ea5t \u0111\u1ebfn khi n\u00e0o \u0111\u1ea1t \u0111\u1ed9 \u1ea9m t\u1ed1t nh\u1ea5t m\u1edbi ti\u1ebfn h\u00e0nh \u0111\u1ea7m. Vi\u1ec7c x\u1eed l\u00fd t\u01b0\u1edbi \u1ea9m ph\u1ea3i th\u1ef1c hi\u1ec7n b\u00ean ngo\u00e0i khu v\u1ef1c \u0111\u1eafp.<\/p>\n<p><strong><em>&#8211; Ki\u1ec3m tra c\u00f4ng t\u00e1c \u0111\u1ea7m\u00a0:<\/em><\/strong><\/p>\n<p>Nh\u00e0 th\u1ea7u l\u1ea5y m\u1eabu v\u00e0 th\u1ef1c hi\u1ec7n th\u00ed nghi\u1ec7m theo ch\u1ec9 \u0111\u1ecbnh c\u1ee7a t\u01b0 v\u1ea5n gi\u00e1m s\u00e1t, c\u00e1c ph\u1ea7n \u0111\u1eafp \u0111\u1ea7m v\u1edbi chu k\u1ef3 \u0111\u01b0\u1ee3c l\u1eadp ra d\u01b0\u1edbi \u0111\u00e2y v\u00e0 nh\u1eefng n\u01a1i do Ch\u1ee7 \u0111\u1ea7u t\u01b0 ch\u1ec9 \u0111\u1ecbnh \u0111\u1ec3 ki\u1ec3m tra m\u1ed1i li\u00ean h\u1ec7 gi\u1eefa c\u00f4ng t\u00e1c \u0111\u1ea7m v\u00e0 h\u00e0m l\u01b0\u1ee3ng n\u01b0\u1edbc ho\u1eb7c dung tr\u1ecdng \u0111\u1ea1t \u0111\u01b0\u1ee3c. K\u1ebft qu\u1ea3 th\u00ed nghi\u1ec7m\u00a0 ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u1ec7 tr\u00ecnh l\u00ean Ch\u1ee7 \u0111\u1ea7u t\u01b0 tr\u01b0\u1edbc khi thi c\u00f4ng. Vi\u1ec7c ki\u1ec3m tra c\u00e1c m\u1eabu v\u00e0 tr\u00ecnh m\u1eabu \u0111\u01b0\u1ee3c duy\u1ec7t kh\u00f4ng gi\u1ea3i ph\u00f3ng nh\u00e0 th\u1ea7u kh\u1ecfi tr\u00e1ch nhi\u1ec7m c\u1ee7a m\u00ecnh v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng k\u1ef9 thu\u1eadt c\u1ee7a c\u00f4ng tr\u00ecnh.<\/p>\n<p>Kh\u00f4ng c\u00f3 m\u1ed9t ph\u1ea7n \u0111\u1eafp n\u00e0o \u0111\u01b0\u1ee3c Ch\u1ee7 \u0111\u1ea7u t\u01b0 ph\u00ea duy\u1ec7t m\u00e0 kh\u00f4ng c\u00f3 t\u1ed1i thi\u1ec3u 3 k\u1ebft qu\u1ea3 th\u00ed nghi\u1ec7m \u0111\u1ea1t y\u00eau c\u1ea7u.<\/p>\n<p><strong><em>&#8211; B\u1ea3o qu\u1ea3n v\u00e0 l\u00e0m s\u1ea1ch c\u00f4ng tr\u01b0\u1eddng:<\/em><\/strong><\/p>\n<p>B\u1ea3o qu\u1ea3n c\u00f4ng tr\u01b0\u1eddng: Nh\u00e0 th\u1ea7u ph\u1ea3i ti\u1ebfn h\u00e0nh b\u1ea3o qu\u1ea3n kh\u1ed1i \u0111\u1eafp \u0111ang v\u00e0 sau khi thi c\u00f4ng theo y\u00eau c\u1ea7u c\u1ee7a Ch\u1ee7 \u0111\u1ea7u t\u01b0 cho t\u1edbi khi ho\u00e0n th\u00e0nh v\u00e0 nghi\u1ec7m\u00a0 thu c\u00f4ng vi\u1ec7c.<\/p>\n<p>V\u1ec7 sinh c\u00f4ng tr\u01b0\u1eddng: Trong qu\u00e1 tr\u00ecnh \u0111\u1ed5 v\u1eadt li\u1ec7u. Nh\u00e0 th\u1ea7u lu\u00f4n ph\u1ea3i gi\u1eef b\u1ec1 m\u1eb7t, m\u00e1i c\u1ee7a kh\u1ed1i \u0111\u1eafp kh\u00f4ng cho ch\u1ea5t \u0111\u1ed1ng c\u00e1c lo\u1ea1i ph\u1ebf th\u1ea3i v\u1eadt li\u1ec7u. Khi ho\u00e0n th\u00e0nh c\u00f4ng vi\u1ec7c Nh\u00e0 th\u1ea7u ph\u1ea3i lo\u1ea1i b\u1ecf to\u00e0n b\u1ed9 thi\u1ebft b\u1ecb thi\u00a0 c\u00f4ng, v\u1eadt li\u1ec7u d\u01b0 th\u1eeba, ph\u1ebf li\u1ec7u ra kh\u1ecfi ph\u1ea1m vi kh\u1ed1i \u0111\u1eafp, \u0111\u1ea3m b\u1ea3o kh\u1ed1i \u0111\u1eafp s\u1ea1ch s\u1ebd g\u1ecdn g\u00e0ng tho\u1ea3 m\u00e3n y\u00eau c\u1ea7u c\u1ee7a Ch\u1ee7 \u0111\u1ea7u t\u01b0.<\/p>\n<p>Trong tr\u01b0\u1eddng h\u1ee3p \u0111\u1ea7m xung quanh c\u00e1c c\u1ea5u ki\u1ec7n, \u0111\u01b0\u1eddng \u1ed1ng v\u00e0 c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c th\u00ec Ch\u1ee7 \u0111\u1ea7u t\u01b0 c\u00f3 th\u1ec3 ch\u1ec9 \u0111\u1ecbnh s\u1eed d\u1ee5ng c\u00e1c thi\u1ebft b\u1ecb v\u00e0 ph\u01b0\u01a1ng ph\u00e1p \u0111\u1eb7c bi\u1ec7t.<\/p>\n<ol style=\"list-style-type: upper-roman;\">\n<li value=\"6\"><strong><em>Thi c\u00f4ng r\u00e3nh tho\u00e1t n\u01b0\u1edbc.<\/em><\/strong><\/li>\n<\/ol>\n<p>R\u00e3nh tho\u00e1t n\u01b0\u1edbc thi c\u00f4ng \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed d\u1ecdc theo m\u00e9p khu v\u1ef1c san n\u1ec1n v\u00e0 c\u00e1ch m\u00e9p san n\u1ec1n 3,0m. D\u1ecdc theo ph\u1ea7n gia c\u1ed1 m\u00e1i taluy, c\u1ee9 c\u00e1ch 100m b\u1ed1 tr\u00ed m\u1ed9t khe tho\u00e1t n\u01b0\u1edbc. \u1ede nh\u1eefng ch\u1ed7 c\u00f3 m\u00e1i taluy \u0111\u00e0o c\u0169ng b\u1ed1 tr\u00ed r\u00e3nh, c\u00f2n khe tho\u00e1t n\u01b0\u1edbc th\u00ec b\u1ed1 tr\u00ed t\u1ea1i ranh gi\u1edbi \u0111\u00e0o \u0111\u1eafp. To\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng r\u00e3nh tr\u00ean ch\u1ec9 \u0111\u1ec3 ph\u1ee5c v\u1ee5 c\u00f4ng t\u00e1c san n\u1ec1n, n\u01b0\u1edbc \u0111\u01b0\u1ee3c tho\u00e1t qua c\u00e1c khe c\u00e1ch nhau 100m, trong qu\u00e1 tr\u00ecnh x\u00e2y d\u1ef1ng nh\u00e0 m\u00e1y sau n\u00e0y c\u00f3 th\u1ec3 t\u1eadn d\u1ee5ng \u0111\u1ec3 l\u00e0m r\u00e3nh tho\u00e1t n\u01b0\u1edbc ch\u00ednh cho nh\u00e0 m\u00e1y ho\u1eb7c ph\u1ea3i l\u1ea5p tr\u1ea3 \u0111\u1ea5t t\u1ea1o l\u1ea1i h\u00ecnh d\u00e1ng cho n\u1ec1n v\u00e0 m\u00e1i taluy. T\u1ea5t c\u1ea3 c\u00e1c quy tr\u00ecnh thi c\u00f4ng \u0111\u00e0o \u0111\u1eafp r\u00e3nh tho\u00e1t \u0111\u1ec1u ph\u1ea3i tu\u00e2n th\u1ee7 \u0111\u00fang theo c\u00e1c y\u00eau c\u1ea7u \u0111\u00e0o \u0111\u1eafp nh\u01b0 \u0111\u00e3 tr\u00ecnh b\u00e0y \u1edf tr\u00ean v\u00e0 tu\u00e2n th\u1ee7 \u0111\u00fang theo ti\u00eau chu\u1ea9n 4447:87 &#8211; C\u00f4ng t\u00e1c \u0111\u1ea5t \u2013 Quy ph\u1ea1m thi c\u00f4ng, nghi\u1ec7m thu v\u00e0 c\u00e1c y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt thi c\u00f4ng hi\u1ec7n h\u00e0nh.<\/p>\n<ol style=\"list-style-type: upper-roman;\">\n<li value=\"7\"><strong><em>Gia c\u1ed1 m\u00e1i taluy, x\u00e2y k\u00e8 taluy.<\/em><\/strong><\/li>\n<\/ol>\n<p>M\u00e1i taluy v\u00f9ng \u0111\u1eafp \u0111\u01b0\u1ee3c gia c\u1ed1 b\u1eb1ng tr\u1ed3ng c\u1ecf. Ri\u00eang m\u00e1i taluy ph\u00eda Nam do g\u1ea7n h\u1ed3 \u0111\u1eadp n\u00ean \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf gi\u1eadt c\u1ea5p v\u00e0 gia c\u1ed1 b\u1eb1ng \u0111\u00e1 h\u1ed9c x\u00e2y v\u1eefa xi m\u0103ng \u1edf nh\u1eefng ch\u1ed7 \u0111\u1eafp cao v\u00e0 s\u00e1t m\u00e9p n\u01b0\u1edbc \u0111\u1ec3 \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u an to\u00e0n v\u00e0 \u1ed5n \u0111\u1ecbnh.<\/p>\n<p>C\u00f4ng t\u00e1c x\u00e2y ph\u1ea3i \u0111\u1ea3m b\u1ea3o theo ti\u00eau chu\u1ea9n TCVN 4085-1985 (K\u1ebft c\u1ea5u g\u1ea1ch \u0111\u00e1 &#8211; quy ph\u1ea1m thi c\u00f4ng v\u00e0 nghi\u1ec7m thu) v\u00e0 ti\u00eau chu\u1ea9n TCVN 4459-1987 (H\u01b0\u1edbng d\u1eabn pha tr\u1ed9n v\u00e0 s\u1eed d\u1ee5ng v\u1eefa x\u00e2y d\u1ef1ng).<\/p>\n<p>\u0110\u1ed9 d\u1ed1c m\u00e1i taluy \u0111\u1eafp l\u00e0 m =1:1,5 v\u00e0 m =1:1,75, \u0111\u1ed9 d\u1ed1c taluy \u0111\u00e0o l\u00e0 m=1:1. T\u1ea1i nh\u1eefng v\u1ecb tr\u00ed taluy cao tr\u00ean 6m th\u00ec ph\u1ea3i l\u00e0m gi\u1eadt c\u1ea5p \u0111\u1ec3 t\u1ea1o \u1ed5n \u0111\u1ecbnh cho m\u00e1i d\u1ed1c. C\u1ee9 ch\u00eanh cao 6m l\u00e0m gi\u1eadt c\u1ea5p m\u1ed9t l\u1ea7n.<\/p>\n<p>\u0110\u1ed1i v\u1edbi ph\u1ea7n taluy \u0111\u00e0o, khi thi c\u00f4ng khu v\u1ef1c m\u00e1i taluy \u0111\u00e0o c\u00f3 chi\u1ec1u cao l\u1edbn th\u00ec tu\u1ef3 thu\u1ed9c v\u00e0o l\u1edbp \u0111\u1ecba ch\u1ea5t b\u00ean d\u01b0\u1edbi, n\u1ebfu l\u00e0 \u0111\u00e1 th\u00ec s\u1ebd l\u00e0m m\u00e1i taluy c\u00f3 \u0111\u1ed9 d\u1ed1c m=1:0,5, n\u1ebfu l\u00e0 \u0111\u1ea5t th\u00ec s\u1ebd l\u00e0m m\u00e1i taluy c\u00f3 \u0111\u1ed9 d\u1ed1c l\u00e0 m=1:1. Tuy nhi\u00ean, \u0111\u1ea5t c\u1ea5p 4 (\u0111\u00e1 s\u00e9t phong h\u00f3a) \u1edf khu v\u1ef1c n\u00e0y ch\u1ec9 l\u00e0 d\u1ef1 \u0111o\u00e1n n\u00ean taluy \u0111\u00e0o t\u1ea1i \u0111\u00e2y v\u1eabn thi\u1ebft k\u1ebf theo \u0111\u1ed9 d\u1ed1c l\u00e0 1:1.<\/p>\n<ol>\n<li><em>Gia c\u1ed1 m\u00e1i taluy b\u1eb1ng tr\u1ed3ng c\u1ecf:<\/em><\/li>\n<\/ol>\n<ul>\n<li>\u0110o \u0111\u1ea1c \u0111\u1ecbnh v\u1ecb ch\u00ednh x\u00e1c v\u1ecb tr\u00ed m\u00e9p taluy ki\u1ec3m tra \u0111\u1ed9 d\u1ed1c m\u00e1i taluy<\/li>\n<li>S\u1eeda m\u00e1i taluy b\u1eb1ng th\u1ee7 c\u00f4ng b\u1ea3o \u0111\u1ea3m cho b\u1ec1 m\u1eb7t b\u1eb1ng ph\u1eb3ng, \u0111\u00fang \u0111\u1ed9 d\u1ed1c thi\u1ebft k\u1ebf.<\/li>\n<li>\u0110\u00e1nh v\u1ea7ng c\u1ecf k\u00edch th\u01b0\u1edbc \u0111\u1ed3ng \u0111\u1ec1u \u0111\u00fang y\u00eau c\u1ea7u.<\/li>\n<li>Tr\u1ed3ng c\u1ecf \u0111\u00fang c\u00e1ch theo h\u00ecnh hoa mai, ghim gi\u1eef ch\u1eb7t b\u1eb1ng c\u00e1c ghim tre.<\/li>\n<li>T\u01b0\u1edbi n\u01b0\u1edbc ch\u0103m s\u00f3c \u0111\u1ec3 c\u1ecf nhanh ch\u00f3ng ph\u00e1t tri\u1ec3n ph\u1ee7 k\u00edn m\u00e1i taluy.<\/li>\n<\/ul>\n<ol>\n<li value=\"2\"><em>Gia c\u1ed1 m\u00e1i taluy b\u1eb1ng \u0111\u00e1 h\u1ed9c x\u00e2y v\u1eefa xi m\u0103ng:<\/em><\/li>\n<\/ol>\n<ul>\n<li>Tr\u01b0\u1edbc khi x\u00e2y b\u1ea1t b\u1ecf ph\u1ea7n \u0111\u1ea5t d\u01b0, b\u1ea3o \u0111\u1ea3m \u0111\u1ed9 d\u1ed1c v\u00e0 \u0111\u1ed9 b\u1eb1ng ph\u1eb3ng, ch\u1ec9nh s\u1eeda khu\u00f4n \u0111\u1ea5t b\u1ec1 m\u1eb7t m\u00e1i d\u1ed1c b\u1eb1ng th\u1ee7 c\u00f4ng.<\/li>\n<li>X\u00e2y \u0111\u00e1 v\u00e0 \u0111\u00e1 d\u0103m \u0111\u1ec7m. C\u01b0\u1eddng \u0111\u1ed9 \u0111\u00e1 d\u00f9ng \u0111\u1ec3 x\u00e2y t\u1ed1i thi\u1ec3u \u0111\u1ea1t 400Kg\/cm<sup>2<\/sup>. \u0110\u00e1 ph\u1ea3i s\u1ea1ch kh\u00f4ng d\u00ednh b\u00f9n.<\/li>\n<li>K\u00edch th\u01b0\u1edbc b\u1ec1 m\u1eb7t \u0111\u00e1 x\u00e2y, l\u00e1t t\u1ed1i thi\u1ec3u 10x20cm. B\u1ec1 d\u00e0y th\u1eb3ng g\u00f3c m\u1eb7t x\u00e2y l\u00e1t 15-25cm.<\/li>\n<li>C\u00e1t x\u00e2y, xi m\u0103ng, n\u01b0\u1edbc v\u00e0 t\u1ef7 ph\u1ed1i v\u1eefa x\u00e2y theo \u0111\u00fang y\u00eau c\u1ea7u thi\u1ebft k\u1ebf.<\/li>\n<li>Khi x\u00e2y \u0111\u00e1, tr\u00e1t v\u1eefa v\u00e0o m\u1eb7t n\u1eb1m ngang v\u00e0 g\u00f5 nh\u1eb9 b\u00faa v\u00e0o \u0111\u00e1 x\u00e2y \u0111\u1ec3 m\u1ea1ch no v\u1eefa. \u0110\u1ec7m \u0111\u00e1 d\u0103m ch\u00e8n ch\u1eb7t v\u00e0o c\u00e1c m\u1ea1ch x\u00e2y \u0111\u00e1 h\u1ed9c, k\u00edch th\u01b0\u1edbc \u0111\u00e1 d\u0103m \u0111\u1ec7m l\u00e0 4x6cm, h\u00f2n l\u1edbn nh\u1ea5t k\u00edch th\u01b0\u1edbc kh\u00f4ng qu\u00e1 8cm.<\/li>\n<\/ul>\n<p style=\"margin-left: 27.0pt;\"><em>V\u1eadt li\u1ec7u s\u1eed d\u1ee5ng ph\u1ea3i tu\u00e2n th\u1ee7 \u0111\u00fang c\u00e1c ti\u00eau chu\u1ea9n: <\/em><\/p>\n<ul>\n<li>TCVN 6260\u00a0:1997 \u2013 Ti\u00eau chu\u1ea9n xi m\u0103ng Poocland h\u1ed7n h\u1ee3p.<\/li>\n<li>TCVN 1771:1987 &#8211; \u0110\u00e1 d\u0103m, s\u1ecfi d\u0103m d\u00f9ng trong x\u00e2y d\u1ef1ng. Y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt<\/li>\n<li>TCVN 1770:1986 &#8211; C\u00e1t x\u00e2y d\u1ef1ng. Y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt.<\/li>\n<li>TCVN 4314:1986 &#8211; V\u1eefa x\u00e2y d\u1ef1ng. Y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt<\/li>\n<li>TCVN 4506:1987 &#8211; N\u00ad\u01b0\u1edbc cho b\u00ea t\u00f4ng v\u00e0 v\u1eefa &#8211; Y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt<\/li>\n<\/ul>\n<ol>\n<li value=\"3\"><em>X\u00e2y k\u00e8 taluy b\u1eb1ng \u0111\u00e1 h\u1ed9c v\u1eefa xi m\u0103ng.<\/em><\/li>\n<\/ol>\n<ul>\n<li>D\u1ef1a tr\u00ean c\u00e1c c\u1ecdc m\u1ed1c to\u1ea1 \u0111\u1ed9 v\u00e0 cao \u0111\u1ed9 m\u1eb7t b\u1eb1ng, d\u00f9ng m\u00e1y kinh v\u0129, thu\u1ef7 b\u00ecnh v\u00e0 th\u01b0\u1edbc \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c v\u1ecb tr\u00ed, k\u00edch th\u01b0\u1edbc h\u1ed1 m\u00f3ng tr\u00ean m\u1eb7t t\u1ef1 nhi\u00ean.<\/li>\n<li>\u0110\u00e0o \u0111\u1ea5t t\u1ea1o th\u00e0nh h\u1ed1 m\u00f3ng \u0111\u1ebfn cao \u0111\u1ed9 thi\u1ebft k\u1ebf, ch\u1ec9nh s\u1eeda ch\u00ednh x\u00e1c vi tr\u00ed k\u00edch th\u01b0\u1edbc h\u00ecnh h\u1ecdc b\u1eb1ng th\u1ee7 c\u00f4ng. Trong qu\u00e1 tr\u00ecnh \u0111\u00e0o h\u1ed1 m\u00f3ng ph\u1ea3i lu\u00f4n ch\u00fa \u00fd \u0111\u1ea3m b\u1ea3o vi\u1ec7c t\u1ea1o \u0111\u1ed9 d\u1ed1c \u0111\u1ec3 tho\u00e1t n\u01b0\u1edbc m\u1eb7t khi m\u01b0a.<\/li>\n<li>\u0110\u1ea5t th\u1ea3i khi \u0111\u00e0o c\u00e1c h\u1ed1 m\u00f3ng ph\u1ea3i \u0111\u01b0\u1ee3c v\u1eadn chuy\u1ec3n \u0111\u1ed5 xa kh\u1ecfi h\u1ed1 m\u00f3ng ho\u1eb7c t\u1eadn d\u1ee5ng \u0111\u1ec3 \u0111\u1eafp theo ch\u1ec9 d\u1eabn c\u1ee7a Ch\u1ee7 \u0111\u1ea7u t\u01b0.<\/li>\n<li>H\u1ed1 m\u00f3ng \u0111\u00e0o \u0111\u1ee7 r\u1ed9ng \u0111\u1ec3 c\u00f3 th\u1ec3 thi c\u00f4ng v\u00e0 \u0111\u1ea3m b\u1ea3o \u0111\u00fang theo thi\u1ebft k\u1ebf. V\u00e1ch h\u1ed1 m\u00f3ng \u0111\u1ea3m b\u1ea3o \u1ed5n \u0111\u1ecbnh b\u1eb1ng c\u00e1ch t\u1ea1o m\u00e1i d\u1ed1c tu\u1ef3 theo \u0111i\u1ec1u ki\u1ec7n \u0111\u1ecba ch\u1ea5t \u0111\u1ec3 tr\u00e1nh s\u1ea1t l\u1edf trong qu\u00e1 tr\u00ecnh thi c\u00f4ng.<\/li>\n<li>Ti\u1ebfn h\u00e0nh \u0111\u1ed5 b\u00ea t\u00f4ng l\u00f3t, x\u00e2y \u0111\u00e1 h\u1ed9c theo \u0111\u00fang y\u00eau c\u1ea7u thi\u1ebft k\u1ebf v\u00e0 c\u00e1c quy tr\u00ecnh thi c\u00f4ng b\u00ea t\u00f4ng hi\u1ec7n h\u00e0nh.<\/li>\n<\/ul>\n<ol>\n<li value=\"4\"><em>\u0110\u1eafp \u0111\u1ea5t sau k\u00e8 taluy<\/em><em>:<\/em><\/li>\n<\/ol>\n<ul>\n<li>\u0110\u1ea5t \u0111\u1eafp ph\u1ea3i \u0111\u01b0\u1ee3c th\u00ed nghi\u1ec7m v\u00e0 \u0111\u01b0\u1ee3c s\u1ef1 ch\u1ea5p thu\u1eadn c\u1ee7a TVGS.<\/li>\n<li>Ch\u1ec9 ti\u1ebfn h\u00e0nh \u0111\u1eafp \u0111\u1ea5t sau k\u00e8 taluy khi k\u00e8 taluy \u0111\u00e3 b\u1ea3o \u0111\u1ea3m\u00a0 c\u01b0\u1eddng \u0111\u1ed9\u00a0 cho ph\u00e9p v\u00e0 \u0111\u01b0\u1ee3c s\u1ef1 ch\u1ea5p thu\u1eadn c\u1ee7a TVGS.<\/li>\n<li>M\u1ecdi quy tr\u00ecnh \u0111\u1eafp \u0111\u1ea5t ti\u1ebfn h\u00e0nh theo \u0111\u00fang c\u00e1c y\u00eau c\u1ea7u \u0111\u00e3 n\u00eau \u1edf ph\u1ea7n tr\u00ean<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ol style=\"list-style-type: upper-roman;\">\n<li value=\"8\"><strong><em>Ki\u1ec3m tra v\u00e0 nghi\u1ec7m thu:<\/em><\/strong><\/li>\n<\/ol>\n<p><strong><em><u>*. C\u00f4ng t\u00e1c \u0111\u1ea5t:<\/u><\/em><\/strong><\/p>\n<p><em>1. Ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng \u0111\u1eafp ph\u1ea3i ti\u1ebfn h\u00e0nh \u1edf hai n\u01a1i:<\/em><\/p>\n<p>&#8211; M\u1ecf v\u1eadt li\u1ec7u: Tr\u01b0\u1edbc khi khai th\u00e1c ph\u1ea3i l\u1ea5y m\u1eabu \u0111\u1ec3 ki\u1ec3m tra m\u1ed9t s\u1ed1 t\u00ednh ch\u1ea5t c\u01a1 l\u00fd v\u00e0 \u0111\u1ed1i chi\u1ebfu v\u1edbi y\u00eau c\u1ea7u thi\u1ebft k\u1ebf. T\u1ea7n su\u1ea5t ki\u1ec3m tra c\u1ee9 m\u1ed7i khi thay \u0111\u1ed5i \u0111\u1ecba t\u1ea7ng ho\u1eb7c thay \u0111\u1ed5i m\u1ecf \u0111\u1ea5t ho\u1eb7c theo quy \u0111\u1ecbnh c\u1ee5 th\u1ec3 c\u1ee7a d\u1ef1 \u00e1n.<\/p>\n<p>&#8211; \u1ede c\u00f4ng tr\u01b0\u1eddng: C\u1ee9 100 \u2013 200m<sup>3<\/sup> \u0111\u1ed1i v\u1edbi \u0111\u1ea5t s\u00e9t, \u0111\u1ea5t pha c\u00e1t, \u0111\u1ea5t c\u00e1t pha v\u00e0 c\u00e1t kh\u00f4ng l\u1eabn cu\u1ed9i, s\u1ecfi \u0111\u00e1 ho\u1eb7c 200 \u2013 400m<sup>3<\/sup> \u0111\u1ed1i v\u1edbi \u0111\u1ea5t l\u1eabn cu\u1ed9i s\u1ecfi ho\u1eb7c \u0111\u1ea5t c\u00e1t l\u1eabn cu\u1ed9i s\u1ecfi ki\u1ec3m tra \u0111\u1ed9 ch\u1eb7t v\u00e0 \u0111\u1ed9 \u1ea9m lu l\u00e8n t\u1ea1i \u00edt nh\u1ea5t 03 \u0111i\u1ec3m. Sai s\u1ed1 cho ph\u00e9p \u0111\u1ed9 ch\u1eb7t nh\u1ecf h\u01a1n 1,5% \u0111\u1ed9 ch\u1eb7t thi\u1ebft k\u1ebf nh\u01b0ng t\u1ed5ng s\u1ed1 \u0111i\u1ec3m ki\u1ec3m tra kh\u00f4ng \u0111\u1ea1t kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 5%, \u0111\u1ed9 ch\u1eb7t do thi\u1ebft k\u1ebf quy \u0111\u1ecbnh.<\/p>\n<p>Khi \u0111\u1eafp b\u1eb1ng c\u00e1t, c\u00e1t s\u1ecfi, \u0111\u00e1 h\u1ed7n h\u1ee3p th\u00ec ngo\u00e0i ki\u1ec3m tra \u0111\u1ed9 ch\u1eb7t c\u00f2n ki\u1ec3m tra th\u00e0nh ph\u1ea7n h\u1ea1t.<\/p>\n<p>C\u00e1c phi\u1ebfu th\u00ed nghi\u1ec7m ph\u1ea3i c\u00f3 d\u1ea5u LAS &#8211; XD c\u1ee7a Ph\u00f2ng th\u00ed nghi\u1ec7m chuy\u00ean ng\u00e0nh x\u00e2y d\u1ef1ng m\u1edbi \u0111\u01b0\u1ee3c nghi\u1ec7m thu, thanh quy\u1ebft to\u00e1n c\u00f4ng tr\u00ecnh.<\/p>\n<p><em>2. Nghi\u1ec7m thu c\u00f4ng tr\u00ecnh \u0111\u1ea5t c\u1ea7n ki\u1ec3m tra c\u00e1c y\u1ebfu t\u1ed1 sau:<\/em><\/p>\n<p>&#8211; \u0110\u1ed9 d\u1ed1c ngang, \u0111\u1ed9 d\u1ed1c d\u1ecdc c\u1ee7a n\u1ec1n.<\/p>\n<p>&#8211; Cao \u0111\u1ed9 m\u1eb7t n\u1ec1n;<\/p>\n<p>&#8211; Ch\u1ea5t l\u01b0\u1ee3ng \u0111\u1eafp \u0111\u1ea5t, kh\u1ed1i l\u01b0\u1ee3ng th\u1ec3 t\u00edch kh\u00f4;<\/p>\n<p>&#8211; K\u00edch th\u01b0\u1edbc h\u00ecnh h\u1ecdc;<\/p>\n<p>&#8211; \u0110\u1ed9 d\u1ed1c m\u00e1i ta luy \u00e2m v\u00e0 d\u01b0\u01a1ng;<\/p>\n<p>&#8211; V\u1ecb tr\u00ed, cao \u0111\u1ed9, \u0111\u1ed9 d\u1ed1c, k\u00edch th\u01b0\u1edbc c\u1ee7a \u0111\u00e1y c\u1ed1ng, r\u00e3nh tho\u00e1t n\u01b0\u1edbc.<\/p>\n<p><strong><em><u>*. Gia c\u1ed1 m\u00e1i taluy, x\u00e2y k\u00e8 taluy<\/u><\/em><\/strong>\u00a0<strong><em><u>:<\/u><\/em><\/strong><\/p>\n<p>&#8211; \u0110\u1ea3m b\u1ea3o ch\u00ednh x\u00e1c v\u1ecb tr\u00ed, k\u00edch th\u01b0\u1edbc.<\/p>\n<p>&#8211; M\u00e1i d\u1ed1c taluy \u0111o b\u1eb1ng th\u01b0\u1edbc d\u00e0i 3m kh\u00f4ng \u0111\u01b0\u1ee3c c\u00f3 c\u00e1c \u0111i\u1ec3m l\u00f5m qu\u00e1 5 cm, c\u1ee9 50 m\u00a0 \u0111o ki\u1ec3m tra m\u1ed9t m\u1eb7t c\u1eaft ngang.<\/p>\n<p>&#8211; B\u1ea3o \u0111\u1ea3m c\u00e1c nguy\u00ean t\u1eafc x\u00e2y \u1edf c\u00e1c m\u1eb7t \u0111\u1ee9ng, m\u1eb7t ngang, c\u00e1c g\u00f3c c\u1ee7a kh\u1ed1i x\u00e2y.<\/p>\n<p>&#8211; K\u00edch th\u2212\u1edbc c\u1ee7a kh\u1ed1i x\u00e2y \u0111\u1ea3m b\u1ea3o \u0111\u00fang thi\u1ebft k\u1ebf.<\/p>\n<p>&#8211; C\u00f3 \u0111\u1ea7y \u0111\u1ee7 bi\u00ean b\u1ea3n nghi\u1ec7m thu c\u00e1c h\u1ea1ng m\u1ee5c. Ch\u1ec9 \u0111\u01b0\u1ee3c thi c\u00f4ng h\u1ea1ng m\u1ee5c k\u1ebf ti\u1ebfp khi \u0111\u00e3 ho\u00e0n th\u00e0nh \u0111\u1ea7y \u0111\u1ee7 th\u1ee7 t\u1ee5c nghi\u1ec7m thu c\u1ee7a h\u1ea1ng m\u1ee5c k\u1ebf tr\u01b0\u1edbc.<\/p>\n<p>&nbsp;<\/p>\n<p><em>Khi nghi\u1ec7m thu ki\u1ec3m tra c\u00f4ng tr\u00ecnh \u0111\u1ea5t \u0111\u00e1 x\u00e2y xong, nh\u00e0 th\u1ea7u ph\u1ea3i chu\u1ea9n b\u1ecb \u0111\u1ea7y \u0111\u1ee7 nh\u1eefng t\u00e0i li\u1ec7u ph\u1ee5c v\u1ee5 ki\u1ec3m tra nghi\u1ec7m thu <\/em><em>cho h\u1ed9i \u0111\u1ed3ng nghi\u1ec7m thu c\u01a1 s\u1edf: <\/em><\/p>\n<p>&#8211; B\u1ea3n v\u1ebd ho\u00e0n th\u00e0nh c\u00f4ng tr\u00ecnh c\u00f3 ghi nh\u1eefng sai l\u1ec7ch th\u1ef1c t\u1ebf. B\u1ea3n v\u1ebd x\u1eed l\u00fd nh\u1eefng ch\u1ed7 l\u00e0m sai thi\u1ebft k\u1ebf;<\/p>\n<p>&#8211; Nh\u1eadt k\u00fd thi c\u00f4ng c\u00f4ng tr\u00ecnh v\u00e0 nh\u1eadt k\u00fd nh\u1eefng c\u00f4ng t\u00e1c \u0111\u1eb7c bi\u00eat;<\/p>\n<p>&#8211; C\u00e1c bi\u00ean b\u1ea3n nghi\u1ec7m thu b\u1ed9 ph\u1eadn c\u00f4ng tr\u00ecnh khu\u1ea5t;<\/p>\n<p>&#8211; B\u1ea3n v\u1ebd v\u1ecb tr\u00ed c\u00e1c c\u1ecdc m\u1ed1c \u0111\u1ecbnh v\u1ecb c\u01a1 b\u1ea3n v\u00e0 bi\u00ean b\u1ea3n nghi\u1ec7m thu c\u00f4ng tr\u00ecnh;<\/p>\n<p>&#8211; Bi\u00ean b\u1ea3n k\u1ebft qu\u1ea3 th\u00ed nghi\u1ec7m v\u1eadt li\u1ec7u s\u1eed d\u1ee5ng x\u00e2y d\u1ef1ng c\u00f4ng tr\u00ecnh v\u00e0 k\u1ebft qu\u1ea3 th\u00ed nghi\u1ec7m nh\u1eefng m\u1eabu ki\u1ec3m tra trong qu\u00e1 tr\u00ecnh thi c\u00f4ng.<\/p>\n<p>Tr\u00ean \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 \u0111i\u1ec3m ch\u00ednh trong c\u00f4ng t\u00e1c thi c\u00f4ng nghi\u1ec7m thu c\u00f4ng tr\u00ecnh \u0111\u1ea5t. Trong c\u00e1c tr\u01b0\u1eddng h\u1ee3p c\u1ee5 th\u1ec3, c\u1ea7n \u0111\u1ecdc k\u1ef9 c\u00e1c quy tr\u00ecnh \u0111\u00e3 n\u00eau trong h\u01b0\u1edbng d\u1eabn n\u00e0y v\u00e0 c\u00e1c quy\u1ebft \u0111\u1ecbnh ban h\u00e0nh, thay th\u1ebf, lo\u1ea1i b\u1ecf c\u00e1c Ti\u00eau chu\u1ea9n x\u00e2y d\u1ef1ng chuy\u00ean ng\u00e0nh.<\/p>\n<h2>B\u00e0i vi\u1ebft li\u00ean quan c\u00f9ng l\u0129nh v\u1ef1c t\u1ea1i <a href=\"https:\/\/thuvienxaydung.com.vn\" target=\"_blank\" rel=\"noopener noreferrer\">Hosoxaydung.com<\/a><\/h2>\n<ol>\n<li><a href=\"https:\/\/thuvienxaydung.com.vn\/du-toan-san-lap-mat-bang\" target=\"_blank\" rel=\"noopener noreferrer\">D\u1ef1 to\u00e1n san l\u1ea5p M\u1eb7t b\u1eb1ng<\/a><\/li>\n<li><a href=\"https:\/\/thuvienxaydung.com.vn\/bien-phap-thi-cong-san-nen-khu-do-thi-bac-an-khanh\/\" target=\"_blank\" rel=\"noopener noreferrer\">Bi\u1ec7n ph\u00e1p thi c\u00f4ng san n\u1ec1n<\/a><\/li>\n<li><a href=\"https:\/\/thuvienxaydung.com.vn\/tieu-chuan-thiet-ke-thi-cong-va-giam-sat-san-lap-mat-bang\/\" target=\"_blank\" rel=\"noopener noreferrer\">Ti\u00eau chu\u1ea9n thi\u1ebft k\u1ebf, thi c\u00f4ng v\u00e0 gi\u00e1m s\u00e1t san l\u1ea5p M\u1eb7t b\u1eb1ng<\/a><\/li>\n<li><a href=\"https:\/\/baogianoithatxaydung.com\/bang-gia-san-lap-mat-bang\/\" target=\"_blank\" rel=\"noopener noreferrer\">B\u1ea3ng gi\u00e1 san l\u1ea5p m\u1eb7t b\u1eb1ng<\/a><\/li>\n<li><a href=\"https:\/\/thuvienxaydung.com.vn\/phan-mem-tinh-toan-va-thiet-ke-san-nen\" target=\"_blank\" rel=\"noopener noreferrer\">Ph\u1ea7n m\u1ec1m t\u00ednh to\u00e1n v\u00e0 thi\u1ebft k\u1ebf san n\u1ec1n<\/a><\/li>\n<li><a href=\"https:\/\/thuvienxaydung.com.vn\/hoi-dap-cong-tac-san-nen\/\" target=\"_blank\" rel=\"noopener noreferrer\">H\u1ecfi \u0111\u00e1p c\u00f4ng t\u00e1c san n\u1ec1n<\/a><\/li>\n<li><a href=\"https:\/\/thuvienxaydung.com.vn\/quy-trinh-thi-cong-nghiem-thu-cong-tac-san-lap-mat-bang-goi-thau-san-lap-mat-bang\/\" target=\"_blank\" rel=\"noopener noreferrer\">Quy tr\u00ecnh Thi c\u00f4ng nghi\u1ec7m thu c\u00f4ng t\u00e1c San l\u1ea5p m\u1eb7t b\u1eb1ng<\/a><\/li>\n<\/ol>\n<p>C\u1ea3m \u01a1n c\u00e1c b\u1ea1n \u0111\u00e3 \u0111\u1ed3ng h\u00e0nh c\u00f9ng <a href=\"https:\/\/thuvienxaydung.com.vn\" target=\"_blank\" rel=\"noopener noreferrer\">Hosoxaydung.com<\/a>. 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