{"id":35582,"date":"2024-08-26T08:55:41","date_gmt":"2024-08-26T01:55:41","guid":{"rendered":"https:\/\/ttud.com.vn\/?p=35582"},"modified":"2024-08-26T08:55:51","modified_gmt":"2024-08-26T01:55:51","slug":"tcvn-13589-112023-ve-dieu-tra-danh-gia-va-tham-do-khoang-san","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/tcvn-13589-112023-ve-dieu-tra-danh-gia-va-tham-do-khoang-san\/","title":{"rendered":"TCVN 13589-11:2023 v\u1ec1 \u0111i\u1ec1u tra, \u0111\u00e1nh gi\u00e1 v\u00e0 th\u0103m d\u00f2 kho\u00e1ng s\u1ea3n"},"content":{"rendered":"\n

Ti\u00eau chu\u1ea9n qu\u1ed1c gia TCVN 13589-11:2023 \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 nh\u1eb1m \u0111\u01b0a ra c\u00e1c h\u01b0\u1edbng d\u1eabn v\u1ec1 n\u1ed9i dung k\u1ef9 thu\u1eadt ph\u01b0\u01a1ng ph\u00e1p s\u00f3ng \u00e2m trong l\u1ed7 khoan ph\u1ee5c v\u1ee5 c\u00f4ng t\u00e1c \u0111i\u1ec1u tra, \u0111\u00e1nh gi\u00e1 \u0111\u1ecba ch\u1ea5t v\u1ec1 kho\u00e1ng s\u1ea3n v\u00e0 th\u0103m d\u00f2 kho\u00e1ng s\u1ea3n.<\/p>\n\n\n\n

Th\u0103m d\u00f2 kho\u00e1ng s\u1ea3n l\u00e0 ho\u1ea1t \u0111\u1ed9ng nh\u1eb1m x\u00e1c \u0111\u1ecbnh tr\u1eef l\u01b0\u1ee3ng, ch\u1ea5t l\u01b0\u1ee3ng kho\u00e1ng s\u1ea3n v\u00e0 c\u00e1c th\u00f4ng tin kh\u00e1c ph\u1ee5c v\u1ee5 khai th\u00e1c kho\u00e1ng s\u1ea3n. Do \u0111\u00f3 tr\u01b0\u1edbc khi th\u1ef1c hi\u1ec7n ho\u1ea1t \u0111\u1ed9ng khai th\u00e1c kho\u00e1ng s\u1ea3n, c\u00e1c t\u1ed5 ch\u1ee9c, c\u00e1 nh\u00e2n bu\u1ed9c ph\u1ea3i th\u0103m d\u00f2. V\u00e0 m\u1ed9t trong nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p th\u0103m d\u00f2 \u0111em l\u1ea1i hi\u1ec7u qu\u1ea3 \u0111\u00f3 l\u00e0 ph\u01b0\u01a1ng ph\u00e1p s\u00f3ng \u00e2m trong l\u1ed7 khoan.<\/p>\n\n\n\n

S\u00f3ng \u00e2m l\u00e0 lo\u1ea1i s\u00f3ng c\u01a1 h\u1ecdc trong m\u00f4i tr\u01b0\u1eddng ch\u1ea5t l\u1ecfng, ch\u1ea5t r\u1eafn ho\u1eb7c kh\u00ed, m\u00e0 s\u1ef1 truy\u1ec1n d\u1eabn n\u0103ng l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n th\u00f4ng qua s\u1ef1 bi\u1ebfn \u0111\u1ed5i c\u1ee7a \u00e1p su\u1ea5t v\u00e0 m\u1eadt \u0111\u1ed9 c\u1ee7a ch\u1ea5t \u0111\u00f3. Khi m\u1ed9t v\u1eadt th\u1ec3 rung, n\u00f3 t\u1ea1o ra nh\u1eefng \u00e1p su\u1ea5t v\u00e0 m\u1eadt \u0111\u1ed9 bi\u1ebfn \u0111\u1ed5i xung quanh n\u00f3, t\u1ea1o ra s\u00f3ng \u00e2m. C\u00e1c s\u00f3ng \u00e2m di chuy\u1ec3n th\u00f4ng qua ch\u1ea5t li\u1ec7u b\u1eb1ng c\u00e1ch l\u00e0m c\u00e1c ph\u1ea7n t\u1eed c\u1ee7a ch\u1ea5t \u0111\u00f3 dao \u0111\u1ed9ng d\u1ecdc theo h\u01b0\u1edbng truy\u1ec1n c\u1ee7a s\u00f3ng.<\/p>\n\n\n\n

Trong m\u00f4i tr\u01b0\u1eddng kh\u00ed, c\u00e1c s\u00f3ng \u00e2m th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u00e2m thanh. \u0110\u00e2y l\u00e0 nh\u1eefng s\u00f3ng \u00e2m m\u00e0 tai ng\u01b0\u1eddi c\u00f3 th\u1ec3 c\u1ea3m nh\u1eadn \u0111\u01b0\u1ee3c, v\u1edbi t\u1ea7n s\u1ed1 t\u1eeb kho\u1ea3ng 20 Hz \u0111\u1ebfn 20 kHz. Trong m\u00f4i tr\u01b0\u1eddng n\u01b0\u1edbc ho\u1eb7c c\u00e1c ch\u1ea5t l\u1ecfng kh\u00e1c, c\u00e1c s\u00f3ng \u00e2m c\u0169ng t\u1ed3n t\u1ea1i, nh\u01b0ng ch\u00fang kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c nghe th\u1ea5y b\u1edfi tai ng\u01b0\u1eddi m\u00e0 th\u01b0\u1eddng c\u1ea7n c\u00e1c thi\u1ebft b\u1ecb \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 ph\u00e1t hi\u1ec7n v\u00e0 \u0111o l\u01b0\u1eddng.<\/p>\n\n\n\n

Ph\u01b0\u01a1ng ph\u00e1p \u0111o s\u00f3ng \u00e2m l\u00e0 ph\u01b0\u01a1ng ph\u00e1p \u0111o t\u1ed1c \u0111\u1ed9 lan truy\u1ec1n ho\u1eb7c suy gi\u1ea3m n\u0103ng l\u01b0\u1ee3ng (bi\u00ean \u0111\u1ed9) c\u1ee7a s\u00f3ng \u00e2m xung quanh th\u00e0nh l\u1ed7 khoan \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u1ea5u tr\u00fac c\u1ee7a \u0111\u1ea5t \u0111\u00e1 d\u1ecdc th\u00e0nh l\u1ed7 khoan. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111o l\u01b0\u1eddng v\u00e0 ph\u00e1t hi\u1ec7n b\u1eb1ng c\u00e1c thi\u1ebft b\u1ecb \u0111\u1eb7c bi\u1ec7t, kh\u00f4ng nh\u1ea5t thi\u1ebft ph\u1ea3i d\u1ef1a v\u00e0o tai ng\u01b0\u1eddi. C\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ng\u01b0\u1eddi ta nghe th\u1ea5y b\u1eb1ng tai ho\u1eb7c \u0111o l\u01b0\u1eddng b\u1eb1ng c\u00e1c thi\u1ebft b\u1ecb \u0111o \u00e2m thanh. Tuy nhi\u00ean \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u00ednh x\u00e1c trong vi\u1ec7c \u0111o \u0111i\u1ec1u tra, \u0111\u00e1nh gi\u00e1 v\u00e0 th\u0103m d\u00f2 kho\u00e1ng s\u1ea3n- \u0111\u1ecba v\u1eadt l\u00fd l\u1ed7 khoan b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p n\u00e0y th\u00ec n\u00ean tu\u00e2n theo ti\u00eau chu\u1ea9n.<\/p>\n\n\n\n

Hi\u1ec7n nay t\u1ea1i Vi\u1ec7t Nam \u0111\u00e3 c\u00f3 Ti\u00eau chu\u1ea9n qu\u1ed1c gia TCVN 13589-11:2023 v\u1ec1 \u0111i\u1ec1u tra, \u0111\u00e1nh gi\u00e1 v\u00e0 th\u0103m d\u00f2 kho\u00e1ng s\u1ea3n- \u0111\u1ecba v\u1eadt l\u00fd l\u1ed7 khoan- ph\u1ea7n 11 v\u1ec1 ph\u01b0\u01a1ng ph\u00e1p s\u00f3ng \u00e2m do B\u1ed9 Khoa h\u1ecdc v\u00e0 C\u00f4ng ngh\u1ec7 c\u00f4ng b\u1ed1 nh\u1eb1m \u0111\u01b0a ra c\u00e1c h\u01b0\u1edbng d\u1eabn v\u1ec1 n\u1ed9i dung k\u1ef9 thu\u1eadt ph\u01b0\u01a1ng ph\u00e1p s\u00f3ng \u00e2m trong l\u1ed7 khoan ph\u1ee5c v\u1ee5 c\u00f4ng t\u00e1c \u0111i\u1ec1u tra, \u0111\u00e1nh gi\u00e1 \u0111\u1ecba ch\u1ea5t v\u1ec1 kho\u00e1ng s\u1ea3n v\u00e0 th\u0103m d\u00f2 kho\u00e1ng s\u1ea3n; kh\u1ea3o s\u00e1t \u0111\u1ecba ch\u1ea5t th\u1ee7y v\u0103n, \u0111\u1ecba ch\u1ea5t c\u00f4ng tr\u00ecnh; \u0111i\u1ec1u tra tai bi\u1ebfn \u0111\u1ecba ch\u1ea5t v\u00e0 m\u00f4i tr\u01b0\u1eddng. Ti\u00eau chu\u1ea9n n\u00e0y kh\u00f4ng \u00e1p d\u1ee5ng cho \u0111i\u1ec1u tra, \u0111\u00e1nh gi\u00e1 v\u00e0 th\u0103m d\u00f2 d\u1ea7u kh\u00ed.<\/p>\n\n\n\n

Y\u00eau c\u1ea7u v\u1ec1 nguy\u00ean l\u00fd ph\u01b0\u01a1ng ph\u00e1p \u0111o s\u00f3ng \u00e2m, khi lan truy\u1ec1n trong c\u00e1c l\u1edbp \u0111\u00e1 kh\u00e1c nhau, s\u00f3ng \u00e2m truy\u1ec1n v\u1edbi t\u1ed1c \u0111\u1ed9 kh\u00e1c nhau v\u00e0 suy gi\u1ea3m n\u0103ng l\u01b0\u1ee3ng (bi\u00ean \u0111\u1ed9) trong t\u1eebng l\u1edbp \u0111\u1ea5t \u0111\u00e1 \u0111\u00f3 c\u0169ng kh\u00e1c nhau. T\u1eeb \u0111\u1eb7c \u0111i\u1ec3m n\u00e0y h\u00ecnh th\u00e0nh c\u00e1c ph\u00e9p \u0111o s\u00f3ng \u00e2m kh\u00e1c nhau nh\u01b0 \u0111o t\u1ed1c \u0111\u1ed9, \u0111o gia s\u1ed1 suy gi\u1ea3m th\u1eddi gian \u0394t, \u0111o bi\u00ean \u0111\u1ed9 s\u00f3ng \u00e2m, \u0111o bi\u1ebfn \u0111\u1ed5i m\u1eadt \u0111\u1ed9.<\/p>\n\n\n\n

\"\"<\/p>\n\n\n\n

\u0110i\u1ec1u tra, \u0111\u00e1nh gi\u00e1 v\u00e0 th\u0103m d\u00f2 kho\u00e1ng s\u1ea3n- \u0111\u1ecba v\u1eadt l\u00fd l\u1ed7 khoan b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p s\u00f3ng \u00e2m n\u00ean th\u1ef1c hi\u1ec7n c\u00e1c y\u00eau c\u1ea7u theo ti\u00eau chu\u1ea9n. \u1ea2nh minh h\u1ecda<\/em><\/h2>\n\n\n\n

\u0110\u1ea7u \u0111o c\u00e1c ph\u01b0\u01a1ng ph\u00e1p s\u00f3ng \u00e2m \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o theo nguy\u00ean l\u00fd v\u00e0 \u0111\u01b0\u1ee3c n\u1ed1i tr\u1ef1c ti\u1ebfp v\u1edbi b\u1ed9 ph\u1eadn \u0111i\u1ec1u khi\u1ec3n tr\u00ean m\u1eb7t \u0111\u1ea5t (tr\u1ea1m \u0111o) th\u00f4ng qua b\u1ed9 ph\u1eadn t\u1eddi c\u00e1p. T\u00edn hi\u1ec7u thu \u0111\u01b0\u1ee3c trong l\u1ed7 khoan \u0111\u01b0\u1ee3c x\u1eed l\u00fd tr\u00ean ph\u1ea7n m\u1ec1m chuy\u00ean d\u1ee5ng, \u0111\u01b0a ra h\u00ecnh \u1ea3nh v\u1ec1 c\u1ea5u tr\u00fac c\u1ee7a c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u1ecba ch\u1ea5t d\u1ecdc th\u00e0nh l\u1ed7 khoan. Kh\u1ed1i \u0111i\u1ec1u khi\u1ec3n \u0111o ghi s\u1ed1 li\u1ec7u v\u00e0 kh\u1ed1i t\u1eddi c\u00e1p \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 d\u00f9ng chung cho nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p \u0111o \u0111\u1ecba v\u1eadt l\u00fd kh\u00e1c nhau trong l\u1ed7 khoan.<\/p>\n\n\n\n

Trong qu\u00e1 tr\u00ecnh thi c\u00f4ng, h\u00e0ng ng\u00e0y ph\u1ea3i ki\u1ec3m tra \u0111\u1ea7u \u0111o \u1edf ch\u1ebf \u0111\u1ed9 “ki\u1ec3m tra t\u0129nh” \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 nh\u1ea1y, \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a thi\u1ebft b\u1ecb \u0111o. Ch\u1ec9 c\u00e1c thi\u1ebft b\u1ecb \u0111o \u0111\u00e3 \u0111\u01b0\u1ee3c hi\u1ec7u chu\u1ea9n \u0111\u1ecbnh k\u1ef3 v\u00e0 ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng h\u00e0ng ng\u00e0y theo quy \u0111\u1ecbnh c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t m\u1edbi \u0111\u01b0\u1ee3c ph\u00e9p s\u1eed d\u1ee5ng. N\u1ed9i dung v\u00e0 tr\u00ecnh t\u1ef1 ki\u1ec3m tra \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh theo \u0111\u00fang h\u01b0\u1edbng d\u1eabn trong l\u00fd l\u1ecbch t\u1eebng lo\u1ea1i m\u00e1y.<\/p>\n\n\n\n

Khi k\u1ebft th\u00fac \u0111o trong l\u1ed7 khoan ph\u1ea3i th\u00e1o r\u1eddi c\u00e1c kh\u1ed1i r\u00e1p n\u1ed1i tr\u1ea1m \u0111o v\u00e0 \u0111\u01b0a v\u00e0o h\u1ed9p b\u1ea3o qu\u1ea3n ri\u00eang theo quy \u0111\u1ecbnh. Tr\u1ea1m \u0111o \u0111\u1ecba v\u1eadt l\u00fd l\u1ed7 khoan lu\u00f4n ph\u1ea3i \u0111\u01b0\u1ee3c b\u1ea3o qu\u1ea3n \u1edf n\u01a1i kh\u00f4 r\u00e1o, tho\u00e1ng m\u00e1t, \u0111\u00fang theo h\u01b0\u1edbng d\u1eabn b\u1ea3o qu\u1ea3n v\u00e0 an to\u00e0n thi\u1ebft b\u1ecb c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t.<\/p>\n\n\n\n

\u0110\u1ed1i v\u1edbi c\u00f4ng t\u00e1c hi\u1ec7u chu\u1ea9n, \u0111\u1ea7u \u0111o s\u00f3ng \u00e2m trong l\u1ed7 khoan ph\u1ea3i \u0111\u01b0\u1ee3c hi\u1ec7u chu\u1ea9n \u0111\u1ecbnh k\u1ef3 m\u1ed9t n\u0103m m\u1ed9t l\u1ea7n v\u00e0 sau m\u1ed7i l\u1ea7n s\u1eeda ch\u1eefa, thay th\u1ebf linh ki\u1ec7n trong m\u00e1y gi\u1ebfng. Vi\u1ec7c hi\u1ec7u chu\u1ea9n \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n theo quy \u0111\u1ecbnh hi\u1ec7n h\u00e0nh. T\u1ea5t c\u1ea3 c\u00e1c thi\u1ebft b\u1ecb \u0111o s\u00f3ng \u00e2m trong l\u1ed7 khoan, tr\u01b0\u1edbc khi hi\u1ec7u chu\u1ea9n ph\u1ea3i \u0111\u01b0\u1ee3c ki\u1ec3m tra, x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 nh\u1ea1y, \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh, \u0111\u1ed9 tuy\u1ebfn t\u00ednh \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t. N\u1ed9i dung v\u00e0 tr\u00ecnh t\u1ef1 hi\u1ec7u chu\u1ea9n ph\u1ea3i \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh theo quy tr\u00ecnh th\u1ed1ng nh\u1ea5t v\u00e0 \u0111\u00fang theo h\u01b0\u1edbng d\u1eabn trong l\u00fd l\u1ecbch t\u1eebng lo\u1ea1i m\u00e1y.<\/p>\n\n\n\n

Trong qu\u00e1 tr\u00ecnh thi c\u00f4ng th\u1ef1c \u0111\u1ecba ph\u1ea3i tu\u00e2n th\u1ee7 \u0111\u1ea7y \u0111\u1ee7 c\u00e1c y\u00eau c\u1ea7u chung, y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt thi c\u00f4ng th\u1ef1c \u0111\u1ecba n\u00eau t\u1ea1i TCVN 13589-1: 2022 v\u00e0 c\u00e1c n\u1ed9i dung: C\u00e1n b\u1ed9 k\u1ef9 thu\u1eadt \u0111\u1ecba ch\u1ea5t theo d\u00f5i khoan ho\u1eb7c t\u1ed5 tr\u01b0\u1edfng t\u1ed5 khoan c\u00f3 tr\u00e1ch nhi\u1ec7m cung c\u1ea5p cho ng\u01b0\u1eddi ph\u1ee5 tr\u00e1ch \u0111o \u0111\u1ecba v\u1eadt l\u00fd c\u1ed9t \u0111\u1ecba t\u1ea7ng l\u1ed7 khoan t\u1ef7 l\u1ec7 1:200 c\u00f3 ghi t\u1ef7 l\u1ec7 l\u1ea5y m\u1eabu ho\u1eb7c c\u1ed9t \u0111\u1ecba t\u1ea7ng t\u1ef7 l\u1ec7 1:50 v\u00e0 tr\u1ea1ng th\u00e1i th\u1ef1c t\u1ebf c\u1ee7a l\u1ed7 khoan tr\u01b0\u1edbc khi ti\u1ebfn h\u00e0nh \u0111o. L\u1ed7 khoan ph\u1ea3i \u0111\u1ea3m b\u1ea3o \u0111\u1ec3 th\u1ea3 c\u00e1c thi\u1ebft b\u1ecb \u0111o \u0111\u1ecba v\u1eadt l\u00fd th\u00f4ng su\u1ed1t t\u1eeb mi\u1ec7ng \u0111\u1ebfn \u0111\u00e1y. L\u1ed7 khoan kh\u00f4ng c\u00f3 ch\u1ed7 t\u1eafc ngh\u1ebdn ho\u1eb7c \u0111\u01b0\u1eddng k\u00ednh b\u00e9 h\u01a1n \u0111\u01b0\u1eddng k\u00ednh danh \u0111\u1ecbnh c\u1ee7a thi\u1ebft b\u1ecb th\u1ea3 trong l\u1ed7 khoan.<\/p>\n\n\n\n

Trong l\u00fac \u0111ang ti\u1ebfn h\u00e0nh \u0111o \u0111\u1ecba v\u1eadt l\u00fd l\u1ed7 khoan kh\u00f4ng \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh c\u00e1c vi\u1ec7c s\u1eeda ch\u1eefa thi\u1ebft b\u1ecb khoan; N\u1ed5 m\u00e1y khoan; H\u00e0n \u0111i\u1ec7n trong ph\u1ea1m vi b\u00e1n k\u00ednh nh\u1ecf h\u01a1n 100m. Kh\u00f4ng \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh \u0111o \u0111\u1ecba v\u1eadt l\u00fd l\u1ed7 khoan trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p dung d\u1ecbch trong l\u1ed7 khoan c\u00f3 \u0111\u1ed9 nh\u1edbt t\u01b0\u01a1ng \u0111\u1ed1i > 90s; Dung d\u1ecbch khoan ch\u1ee9a qu\u00e1 5% c\u00e1t v\u00e0 d\u0103m v\u1ee5n c\u1ee7a \u0111\u1ea5t \u0111\u00e1 c\u1ee9ng; L\u1ed7 khoan phun n\u01b0\u1edbc, s\u1ee7i kh\u00ed, b\u1ecdt, l\u1ed7 khoan h\u00fat n\u01b0\u1edbc, h\u1ea1 m\u1ee9c n\u01b0\u1edbc v\u1edbi t\u1ed1c \u0111\u1ed9 l\u1edbn h\u01a1n 15 m\/h.<\/p>\n\n\n\n

Vi\u1ec7c chu\u1ea9n b\u1ecb l\u1ed7 khoan theo y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt ph\u1ea3i \u0111\u01b0\u1ee3c t\u1ed5 tr\u01b0\u1edfng khoan v\u00e0 c\u00e1n b\u1ed9 \u0111\u1ecba ch\u1ea5t theo d\u00f5i khoan \u0111\u1ea3m b\u1ea3o v\u00e0 x\u00e1c nh\u1eadn b\u1eb1ng v\u0103n b\u1ea3n cho ng\u01b0\u1eddi ph\u1ee5 tr\u00e1ch \u0111o \u0111\u1ecba v\u1eadt l\u00fd l\u1ed7 khoan tr\u01b0\u1edbc khi \u0111o. Khi \u0111o \u0111\u1ecba v\u1eadt l\u00fd l\u1ed7 khoan ph\u1ea3i c\u00f3 m\u1eb7t c\u00e1n b\u1ed9 \u0111\u1ecba ch\u1ea5t theo d\u00f5i khoan v\u00e0 t\u1ed5 tr\u01b0\u1edfng (k\u00edp tr\u01b0\u1edfng) t\u1ed5 khoan.<\/p>\n\n\n\n

Y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt \u0111o s\u00f3ng \u00e2m trong l\u1ed7 khoan th\u01b0\u1eddng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n li\u00ean t\u1ee5c trong qu\u00e1 tr\u00ecnh k\u00e9o thi\u1ebft b\u1ecb \u0111o t\u1eeb \u0111\u00e1y l\u00ean mi\u1ec7ng l\u1ed7 khoan. Trong qu\u00e1 tr\u00ecnh \u0111o ghi ph\u1ea3i lu\u00f4n gi\u1eef cho t\u1ed1c \u0111\u1ed9 k\u00e9o c\u00e1p kh\u00f4ng \u0111\u1ed5i t\u1eeb \u0111\u00e1y l\u00ean mi\u1ec7ng l\u1ed7 khoan.T\u1ef7 l\u1ec7 ghi c\u1ee7a ph\u01b0\u01a1ng ph\u00e1p \u0111o s\u00f3ng \u00e2m trong l\u1ed7 khoan \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh b\u1eb1ng s\u1ed1 \u0111i\u1ec3m ghi s\u1ed1 li\u1ec7u tr\u00ean m\u1ed9t m\u00e9t chi\u1ec1u s\u00e2u d\u1ecdc th\u00e0nh l\u1ed7 khoan. Th\u00f4ng th\u01b0\u1eddng t\u1ef7 l\u1ec7 ghi l\u00e0 0,1m\/\u0111i\u1ec3m ghi s\u1ed1 li\u1ec7u.<\/p>\n\n\n\n

Ch\u1ecdn t\u1ed1c \u0111\u1ed9 k\u00e9o c\u00e1p theo h\u1ed3 s\u01a1 k\u1ef9 thu\u1eadt c\u1ee7a m\u00e1y \u0111o. Khi gh\u00e9p n\u1ed1i v\u1edbi ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c ph\u1ea3i \u0111\u1ea3m b\u1ea3o nguy\u00ean t\u1eafc t\u1ed1c \u0111\u1ed9 k\u00e9o c\u00e1p kh\u00f4ng \u0111\u01b0\u1ee3c l\u1edbn h\u01a1n t\u1ed1c \u0111\u1ed9 k\u00e9o c\u00e1p t\u1ed1i \u0111a cho ph\u00e9p c\u1ee7a m\u1ed9t trong s\u1ed1 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p tham gia.<\/p>\n\n\n\n

C\u00f4ng t\u00e1c \u0111o ki\u1ec3m tra \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n trong c\u00f9ng th\u1eddi gian \u0111o l\u1ed7 khoan. Vi\u1ec7c \u0111o ki\u1ec3m tra ph\u1ea3i th\u1ef1c hi\u1ec7n tr\u00ean \u0111o\u1ea1n l\u1ed7 khoan c\u00f3 s\u1ef1 thay \u0111\u1ed5i l\u1edbn nh\u1ea5t v\u1ec1 s\u1ed1 li\u1ec7u \u0111o v\u1edbi c\u00f9ng t\u1ed1c \u0111\u1ed9 k\u00e9o c\u00e1p v\u00e0 b\u01b0\u1edbc ghi s\u1ed1 li\u1ec7u.<\/p>\n\n\n\n

Ch\u1ea5t l\u01b0\u1ee3ng t\u00e0i li\u1ec7u \u0111o s\u00f3ng \u00e2m trong l\u1ed7 khoan \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 b\u1eb1ng sai s\u1ed1 gi\u1eefa hai l\u1ea7n \u0111o theo h\u00ecnh th\u1ee9c \u0111o l\u1eb7p. N\u1ed9i dung v\u00e0 ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e1nh gi\u00e1 sai s\u1ed1 th\u1ef1c hi\u1ec7n theo c\u00f4ng th\u1ee9c th\u1ed1ng nh\u1ea5t t\u1ea1i TCVN 13589 -1: 2022.<\/p>\n\n\n\n

Ph\u00e2n t\u00edch k\u1ebft qu\u1ea3 \u0111o t\u01b0\u01a1ng t\u1ef1 nh\u01b0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ecba v\u1eadt l\u00fd l\u1ed7 khoan kh\u00e1c, song c\u1ea7n l\u01b0u \u00fd m\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1 sau: T\u1ed1c \u0111\u1ed9 truy\u1ec1n s\u00f3ng \u0111\u00e0n h\u1ed3i trong \u0111\u1ea5t \u0111\u00e1 ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec1u y\u1ebfu t\u1ed1 nh\u01b0 th\u00e0nh ph\u1ea7n kho\u00e1ng v\u1eadt c\u1ee7a \u0111\u00e1, \u0111\u1ed9 g\u1eafn k\u1ebft, \u0111\u1ed9 l\u1ed7 r\u1ed7ng v\u00e0 ki\u1ec3u l\u1ed7 r\u1ed7ng (gi\u1eefa h\u1ea1t, n\u1ee9t n\u1ebb, hang h\u1ed1c), \u0111\u1ed9 b\u00e3o h\u00f2a ch\u1ea5t l\u01b0u, t\u00ednh ch\u1ea5t c\u1ee7a ch\u1ea5t l\u01b0u b\u00e3o h\u00f2a, \u00e1p su\u1ea5t v\u1ec9a, \u00e1p su\u1ea5t t\u0129nh li\u00ean quan \u0111\u1ebfn chi\u1ec1u s\u00e2u th\u1ebf n\u1eb1m c\u1ee7a \u0111\u00e1.<\/p>\n\n\n\n

K\u1ebft qu\u1ea3 ph\u01b0\u01a1ng ph\u00e1p \u0111o \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n trong thi\u1ebft \u0111\u1ed3 \u0111\u1ecba v\u1eadt l\u00fd l\u1ed7 khoan g\u1ed3m: C\u00e1c \u0111\u01b0\u1eddng cong \u0111o v\u00e0 \u0111\u01b0\u1eddng cong \u0111o ki\u1ec3m tra; K\u1ebft qu\u1ea3 x\u00e2y d\u1ef1ng l\u00e1t c\u1eaft \u0111\u1ecba ch\u1ea5t d\u1ecdc th\u00e0nh l\u1ed7 khoan. Thi\u1ebft \u0111\u1ed3 \u0111\u1ecba v\u1eadt l\u00fd l\u1ed7 khoan ph\u1ea3i \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n \u0111\u1ea7y \u0111\u1ee7 t\u1ed5 h\u1ee3p ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ecba v\u1eadt l\u00fd l\u1ed7 khoan, c\u1ed9t \u0111\u1ecba t\u1ea7ng \u0111\u1ecba v\u1eadt l\u00fd, c\u1ed9t \u0111\u1ecba t\u1ea7ng \u0111\u1ecba ch\u1ea5t, c\u00e1c gi\u00e1 tr\u1ecb d\u1ecb th\u01b0\u1eddng \u0111\u1ecba v\u1eadt l\u00fd v\u00e0 th\u1ed1ng nh\u1ea5t trong to\u00e0n v\u00f9ng \u0111o.<\/p>\n\n\n\n

B\u00e1o c\u00e1o k\u1ebft qu\u1ea3 \u0111o s\u00f3ng \u00e2m trong l\u1ed7 khoan \u0111\u01b0\u1ee3c l\u1ed3ng gh\u00e9p chung trong c\u00f4ng t\u00e1c \u0111o \u0111\u1ecba v\u1eadt l\u00fd l\u1ed7 khoan c\u1ee7a to\u00e0n v\u00f9ng \u0111o, th\u01b0\u1eddng g\u1ed3m c\u00e1c d\u1ea1ng t\u00e0i li\u1ec7u sau: C\u00e1c phai \u0111o v\u00e0 \u0111o ki\u1ec3m tra \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd v\u00e0 l\u01b0u tr\u1eef h\u1ec7 th\u1ed1ng tr\u00ean m\u00e1y t\u00ednh. C\u00e1c thi\u1ebft \u0111\u1ed3 \u0111\u1ecba v\u1eadt l\u00fd l\u1ed7 khoan ho\u00e0n ch\u1ec9nh. C\u00e1c m\u1eb7t c\u1eaft li\u00ean k\u1ebft \u0111\u1ecba t\u1ea7ng c\u00e1c l\u1ed7 khoan trong v\u00f9ng theo c\u00e1c ph\u01b0\u01a1ng kh\u00e1c nhau. C\u00e1c m\u1eb7t c\u1eaft \u0111\u1ecba ch\u1ea5t – \u0111\u1ecba v\u1eadt l\u00fd lu\u1eadn gi\u1ea3i t\u1eeb k\u1ebft qu\u1ea3 \u0111o \u0111\u1ecba v\u1eadt l\u00fd l\u1ed7 khoan. C\u00e1c nh\u1eadt k\u00fd \u0111o v\u00e0 c\u00e1c t\u00e0i li\u1ec7u li\u00ean quan kh\u00e1c.<\/p>\n\n\n\n

B\u00e1o c\u00e1o thuy\u1ebft minh \u0111\u01b0\u1ee3c l\u1eadp chung v\u1edbi t\u1ed5 h\u1ee3p ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ecba v\u1eadt l\u00fd l\u1ed7 khoan kh\u00e1c, c\u00e1c n\u1ed9i dung ch\u00ednh nh\u01b0 sau: Ph\u01b0\u01a1ng ph\u00e1p v\u00e0 k\u1ef9 thu\u1eadt \u0111\u00e3 s\u1eed d\u1ee5ng. Ch\u1ea5t l\u01b0\u1ee3ng t\u00e0i li\u1ec7u, kh\u1ed1i l\u01b0\u1ee3ng c\u00f4ng vi\u1ec7c. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd, gi\u1ea3i \u0111o\u00e1n t\u00e0i li\u1ec7u \u0111\u1ecba v\u1eadt l\u00fd. Gi\u1ea3i th\u00edch \u0111\u1ecba ch\u1ea5t k\u1ebft qu\u1ea3 \u0111\u1ecba v\u1eadt l\u00fd. \u0110\u00e1nh gi\u00e1 m\u1ee9c \u0111\u1ed9 gi\u1ea3i quy\u1ebft nhi\u1ec7m v\u1ee5.<\/p>\n\n\n\n

An D\u01b0\u01a1ng<\/strong><\/p>\n\n\n\n

https:\/\/vietq.vn\/tcvn-13589-112023-ve-ve-phuong-phap-song-am-tham-do-khoang-san-d224497.html<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Ti\u00eau chu\u1ea9n qu\u1ed1c gia TCVN 13589-11:2023 \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 nh\u1eb1m \u0111\u01b0a ra c\u00e1c h\u01b0\u1edbng d\u1eabn v\u1ec1 n\u1ed9i dung k\u1ef9 thu\u1eadt ph\u01b0\u01a1ng ph\u00e1p s\u00f3ng \u00e2m trong l\u1ed7 khoan ph\u1ee5c v\u1ee5 c\u00f4ng t\u00e1c \u0111i\u1ec1u tra, \u0111\u00e1nh gi\u00e1 \u0111\u1ecba ch\u1ea5t v\u1ec1 kho\u00e1ng s\u1ea3n v\u00e0 th\u0103m d\u00f2 kho\u00e1ng s\u1ea3n. Th\u0103m d\u00f2 kho\u00e1ng s\u1ea3n l\u00e0 ho\u1ea1t \u0111\u1ed9ng nh\u1eb1m x\u00e1c \u0111\u1ecbnh […]<\/p>\n","protected":false},"author":26,"featured_media":35583,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-35582","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/35582","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/users\/26"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=35582"}],"version-history":[{"count":1,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/35582\/revisions"}],"predecessor-version":[{"id":35584,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/35582\/revisions\/35584"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media\/35583"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=35582"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=35582"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=35582"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}