{"id":2405,"date":"2017-01-23T08:00:29","date_gmt":"2017-01-22T23:00:29","guid":{"rendered":"https:\/\/norimen.net\/wordpress\/?p=2405"},"modified":"2026-05-15T19:43:45","modified_gmt":"2026-05-15T10:43:45","slug":"cac-loai-duong-kinh-khoan-bu-long-da","status":"publish","type":"post","link":"https:\/\/norimen.net\/vi\/rock-bolt-drilling-diameter-types\/","title":{"rendered":"\u0110\u01b0\u1eddng k\u00ednh khoan bu l\u00f4ng neo \u0111\u00e1 | S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa \u0111i\u1ec1u ki\u1ec7n c\u00f4ng tr\u01b0\u1eddng I v\u00e0 II v\u00e0 gi\u00e1 th\u1ecb tr\u01b0\u1eddng"},"content":{"rendered":"

Xin ch\u00e0o m\u1ecdi ng\u01b0\u1eddi.<\/p>\n

\u0110\u00e2y l\u00e0 Enta.<\/p>\n

H\u00f4m n\u1ecd, t\u00f4i c\u00f3 n\u00f3i chuy\u1ec7n v\u1edbi m\u1ed9t th\u1ee3 x\u00e2y t\u01b0\u1eddng ch\u1eafn d\u1ed1c m\u00e0 t\u00f4i quen bi\u1ebft t\u1eeb l\u00e2u.<\/p>\n

G\u1ea7n \u0111\u00e2y, \u00f4ng \u1ea5y n\u00f3i r\u1eb1ng m\u00ecnh \u0111\u00e3 gi\u00e0 \u0111i r\u00f5 r\u1ec7t v\u00e0 s\u1ee9c l\u1ef1c c\u0169ng c\u1ea1n ki\u1ec7t r\u1ed3i.<\/p>\n

C\u00f3 v\u1ebb nh\u01b0 anh \u1ea5y c\u0169ng hi\u1ebfm khi ra hi\u1ec7n tr\u01b0\u1eddng, nh\u01b0ng,<\/p>\n

D\u00f9 sao th\u00ec c\u0169ng ph\u1ea3i c\u00f3 vi\u1ec7c l\u00e0m.<\/p>\n

Nghe n\u00f3i t\u1eeb \u0111\u1ea7u th\u00e1ng 1, t\u1ea1i khu v\u1ef1c Tokai, l\u01b0\u1ee3ng \u0111\u01a1n \u0111\u1eb7t h\u00e0ng kh\u00f4ng \u0111\u01b0\u1ee3c kh\u1ea3 quan l\u1eafm n\u00ean c\u00f3 r\u1ea5t nhi\u1ec1u c\u00f4ng ty chuy\u00ean thi c\u00f4ng taluy \u0111ang d\u01b0 th\u1eeba nh\u00e2n l\u1ef1c.<\/p>\n

Ch\u00fang t\u00f4i, nh\u1eefng \u0111\u01a1n v\u1ecb cung c\u1ea5p d\u1ecbch v\u1ee5 c\u00f4ng, c\u00f4ng vi\u1ec7c c\u1ee7a ch\u00fang t\u00f4i ph\u1ee5 thu\u1ed9c ho\u00e0n to\u00e0n v\u00e0o c\u00e1c \u0111\u01a1n \u0111\u1eb7t h\u00e0ng t\u1eeb ch\u00ednh quy\u1ec1n \u0111\u1ecba ph\u01b0\u01a1ng, n\u00ean,<\/p>\n

Ch\u00fang t\u00f4i r\u1ea5t kh\u00f3 t\u1ef1 t\u00ecm \u0111\u01b0\u1ee3c vi\u1ec7c l\u00e0m. C\u00e1c c\u00f4ng tr\u00ecnh t\u01b0 nh\u00e2n th\u1ef1c s\u1ef1 r\u1ea5t \u00edt ph\u1ea3i kh\u00f4ng?<\/p>\n

Khi ng\u00e2n s\u00e1ch nh\u00e0 n\u01b0\u1edbc b\u1ecb c\u1eaft gi\u1ea3m m\u1ea1nh, c\u00e1c nh\u00e0 th\u1ea7u x\u00e2y d\u1ef1ng c\u0169ng s\u1ebd ph\u1ea3i thu h\u1eb9p quy m\u00f4 ho\u1ea1t \u0111\u1ed9ng.<\/p>\n

C\u00f3 ai l\u00e0m c\u00f4ng vi\u1ec7c gia c\u1ed1 m\u1eb7t d\u1ed1c v\u00e0 l\u1eafp \u0111\u1eb7t neo \u1edf khu v\u1ef1c Tokai m\u00e0 \u0111ang r\u1ea3nh kh\u00f4ng?<\/p>\n

N\u1ebfu c\u00f3 ai bi\u1ebft c\u00e1c nh\u00e0 th\u1ea7u n\u00e0o \u1edf khu v\u1ef1c Tokai, mong m\u1ecdi ng\u01b0\u1eddi h\u00e3y li\u00ean h\u1ec7 v\u00e0 h\u1ed7 tr\u1ee3 l\u1eabn nhau.<\/p>\n

\n

Th\u00f4i, quay l\u1ea1i ch\u1ee7 \u0111\u1ec1 ch\u00ednh<\/p>\n

 <\/p>\n

C\u00e1c lo\u1ea1i \u0111\u01b0\u1eddng k\u00ednh l\u1ed7 khoan cho bu l\u00f4ng neo (c\u00f4ng ngh\u1ec7 c\u1eafm c\u1ed1t th\u00e9p)<\/p>\n

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

\u0110i\u1ec1u ki\u1ec7n thi c\u00f4ng I = Khoan treo: \u0110\u01b0\u1eddng k\u00ednh l\u1ed7 khoan \u03c665mm (gi\u00e1 th\u1ecb tr\u01b0\u1eddng)<\/strong><\/span><\/p>\n

\u0110i\u1ec1u ki\u1ec7n thi c\u00f4ng II = Khoan ki\u1ec3u skid: \u0110\u01b0\u1eddng k\u00ednh l\u1ed7 khoan \u03c665mm (gi\u00e1 \u0111\u01a1n v\u1ecb tr\u00ean th\u1ecb tr\u01b0\u1eddng)<\/strong><\/span><\/p>\n

\u0110i\u1ec1u ki\u1ec7n thi c\u00f4ng III = Khoan th\u1ee7 c\u00f4ng: \u0110\u01b0\u1eddng k\u00ednh l\u1ed7 khoan \u03c628,5\u201365 mm (gi\u00e1 \u0111\u01a1n v\u1ecb tr\u00ean th\u1ecb tr\u01b0\u1eddng)<\/strong><\/span><\/p>\n

Khoan \u1ed1ng k\u00e9p = Khoan ki\u1ec3u skid: \u0110\u01b0\u1eddng k\u00ednh l\u1ed7 khoan \u03c690mm (t\u00ednh theo ph\u01b0\u01a1ng ph\u00e1p c\u1ed9ng d\u1ed3n)<\/strong><\/span><\/p>\n

Khoan \u1ed1ng k\u00e9p = Khoan ki\u1ec3u b\u00e1nh x\u00edch: \u0110\u01b0\u1eddng k\u00ednh l\u1ed7 khoan \u03c690mm (t\u00ednh theo ph\u01b0\u01a1ng ph\u00e1p c\u1ed9ng d\u1ed3n)<\/strong><\/span><\/p>\n

 <\/p>\n

\u0110\u00e2y l\u00e0 \u0111\u01b0\u1eddng k\u00ednh khoan ti\u00eau chu\u1ea9n hi\u1ec7n nay c\u1ee7a bu l\u00f4ng neo.<\/p>\n

V\u00ec \u0111\u00e2y l\u00e0 c\u00e2u h\u1ecfi \u0111\u01b0\u1ee3c h\u1ecfi kh\u00e1 nhi\u1ec1u n\u00ean t\u00f4i chia s\u1ebb \u0111\u1ec3 c\u00e1c b\u1ea1n tham kh\u1ea3o.<\/p>\n

 <\/p>\n

H\u1eb9n g\u1eb7p l\u1ea1i nh\u00e9.<\/p>","protected":false},"excerpt":{"rendered":"

Xin ch\u00e0o m\u1ecdi ng\u01b0\u1eddi. T\u00f4i l\u00e0 Enta. H\u00f4m n\u1ecd, t\u00f4i c\u00f3 n\u00f3i chuy\u1ec7n v\u1edbi m\u1ed9t th\u1ee3 x\u00e2y d\u1ef1ng taluy m\u00e0 t\u00f4i quen bi\u1ebft t\u1eeb l\u00e2u. \u00d4ng \u1ea5y n\u00f3i g\u1ea7n \u0111\u00e2y \u0111\u00e3 gi\u00e0 \u0111i r\u00f5 r\u1ec7t v\u00e0 s\u1ee9c l\u1ef1c c\u0169ng kh\u00f4ng c\u00f2n nh\u01b0 tr\u01b0\u1edbc n\u1eefa. Nghe n\u00f3i \u00f4ng \u1ea5y c\u0169ng hi\u1ebfm khi ra c\u00f4ng tr\u01b0\u1eddng, nh\u01b0ng d\u00f9 sao th\u00ec c\u0169ng kh\u00f4ng c\u00f3 vi\u1ec7c l\u00e0m. B\u01b0\u1edbc sang th\u00e1ng 1, khu v\u1ef1c Tokai c\u0169ng \u00edt \u0111\u01a1n \u0111\u1eb7t h\u00e0ng n\u00ean\u2026<\/p>","protected":false},"author":2,"featured_media":2406,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[30],"tags":[116,117,169],"class_list":["post-2405","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-lock-bolt","tag-116","tag-117","tag-169"],"acf":[],"yoast_head":"\n\u30ed\u30c3\u30af\u30dc\u30eb\u30c8\u306e\u524a\u5b54\u5f84\uff5c\u73fe\u5834\u6761\u4ef6\u2160\u30fb\u2161\u306e\u9055\u3044\u3068\u5e02\u5834\u5358\u4fa1 - 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