{"id":1265,"date":"2009-11-30T22:11:55","date_gmt":"2009-11-30T15:11:55","guid":{"rendered":"http:\/\/pontvk.org\/?page_id=1265"},"modified":"2013-11-29T12:22:57","modified_gmt":"2013-11-29T05:22:57","slug":"kinh-nghiem-qua-cac-nha-thau","status":"publish","type":"page","link":"https:\/\/pontvk.org\/?page_id=1265","title":{"rendered":"Kinh Nghi\u1ec7m Qua C\u00e1c Nh\u00e0 Th\u1ea7u"},"content":{"rendered":"

1. C\u1ea6U S\u1eaeT<\/span><\/h2>\n

Ph\u00e1t bi\u1ec3u c\u1ee7a \u00f4ng Nguy\u1ec5n V\u0103n T\u1ed5ng <\/em><\/strong>(G\u0110 Cty Thi\u1ec7n T\u00e2m)<\/em><\/span><\/h3>\n

– Tr\u01b0\u1edbc \u0111\u00e2y l\u00e0 m\u1ed9t th\u1ea7y gi\u00e1o, n\u0103m 1993 khi \u0111\u00e3 c\u00f3 trong tay m\u1ed9t \u00edt ti\u1ec1n, \u00f4ng li\u1ec1n ngh\u0129 \u0111\u1ebfn vi\u1ec7c x\u00e2y d\u1ef1ng c\u1ea7u cho nh\u1eefng v\u00f9ng qu\u00ea ngh\u00e8o.<\/span><\/p>\n

– \u0110\u1eb7c \u0111i\u1ec3m chung : c\u1ea7u c\u1ee7a \u00f4ng T\u1ed5ng\u00a0 l<\/span><\/span>\u00e0 <\/span>chuy\u00ea<\/span>n<\/span> x\u00e2y d<\/span><\/span>\u1ef1ng c\u1ea7u treo d\u00e2y v\u0103ng (th<\/em><\/span><\/span>\u01b0\u1eddng g\u1ecdi \u0111\u01a1n gi\u1ea3n l\u00e0 c<\/em>\u1ea7u d\u00e2y v\u0103ng).<\/em><\/span><\/p>\n

– C\u1ea7u d\u00e2y v\u0103ng, k\u1ebft c\u1ea5u gi\u1ed1ng nh\u01b0 nh\u1eefng c\u00e2y c\u1ea7u c\u1ee7a ng\u00e0nh Giao Th\u00f4ng V\u1eadn T\u1ea3i, nh\u01b0<\/span>ng nh\u1ecf h\u01a1n (c\u1ecdc 30x30cm)<\/em>.<\/span><\/p>\n

– K\u1ebft c\u1ea5u m\u00f3ng, tr\u1ee5 c\u1ea7u l\u00e0 b\u00ea t\u00f4ng c\u1ed1t th\u00e9p. K\u1ebft c\u1ea7u d\u1ea7m, b\u1ea3n m\u1eb7t c\u1ea7u b\u1eb1ng s\u1eaft th\u00e9p.<\/span><\/p>\n

– T\u1eeb 1993 \u0111\u1ebfn nay \u0111\u00e3 x\u00e2y \u0111\u01b0\u1ee3c 96 c\u00e2y c\u1ea7u.<\/span><\/p>\n

Qui tr\u00ecnh x\u00e2y c\u1ea7u<\/strong> :<\/span><\/h3>\n

– Kh\u1ea3o s\u00e1t \u0111\u1ecba h\u00ecnh<\/span><\/p>\n

– T\u00ednh to\u00e1n \u0111\u1ed9 l\u00fan c\u1ee7a \u0111\u1ea5t<\/span><\/p>\n

– C\u1ecdc b\u00eat\u00f4ng \u0111\u1ed5 t\u1ea1i ch\u1ed7 trong 24 ng\u00e0y ho\u1eb7c mua c\u1ecdc \u0111\u00fac s\u1eb5n t\u1eeb nh\u1eefng nh\u00e0 m\u00e1y<\/span><\/p>\n

– D\u00f9ng c\u1ea7n c\u1ea9u t\u1ef1 ch\u1ebf, cao 11m \u0111\u01b0\u1ee3c chuy\u1ec3n b\u1eb1ng x\u00e0 lan \u0111\u1ebfn c\u00f4ng tr\u01b0\u1eddng. C\u1ea9u c\u1ecdc ra v\u1ecb tr\u00ed \u0111\u1ecbnh tr\u01b0\u1edbc<\/span><\/p>\n

– D\u00f9ng th\u1ee7y l\u1ef1c \u00e9p c\u1ecdc xu\u1ed1ng kho\u1ea3ng 8m t\u00ednh t\u1eeb m\u1eb7t \u0111\u1ea5t, t\u00f9y theo lo\u1ea1i \u0111\u1ea5t m\u00e0 \u0111\u1ed5 c\u1ecdc c\u00f3 m\u0169i nh\u1ecdn ho\u1eb7c b\u1eb1ng \u0111\u1ec3 d\u1ec5 \u0111\u00f3ng xu\u1ed1ng<\/span><\/p>\n

– N\u1ebfu \u00e9p kh\u00f4ng \u0111\u01b0\u1ee3c n\u1eefa th\u00ec l\u1ea5y x\u00e0 lan d\u1eb1n \u0111\u00e1 l\u00ean \u0111\u1ec3 \u00e9p c\u1ecdc, trung b\u00ecnh kho\u1ea3n 30 ph\u00fat l\u00e0 xong m\u1ed9t c\u1ecdc<\/span><\/p>\n

– N\u1ebfu \u0111\u1ea5t qu\u00e1 c\u1ee9ng th\u00ec \u0111\u1ed5 th\u00eam c\u1ecdc ngang ch\u1ed1ng l\u00fan<\/span><\/p>\n

– Chi\u1ec1u d\u00e0i c\u1ea7u trung b\u00ecnh kho\u1ea3ng 60 m -70 m, chi\u1ec1u ngang 2,5 m, chi\u1ec1u r\u1ed9ng th\u00f4ng thuy\u1ec1n 19m – 22m (t\u00f9y theo \u0111\u1ecba ph\u01b0\u01a1ng)<\/em>, t\u1ea3i tr\u1ecdng 4 t\u1ea5n (t\u00f4\u0301i \u0111a 5 t\u00e2\u0301n). Chi\u1ec1u cao d\u1ea7m kho\u1ea3ng 800 mm<\/span><\/p>\n

– Ch\u1eb1ng c\u00e1p d\u00e2y v\u0103ng d\u00e0i t\u1eeb 5 m – 22 m, m\u1ed7i tr\u1ee5 kho\u1ea3ng 18 d\u00e2y c\u00e1p,<\/span><\/p>\n

– B\u1ea3n m\u1eb7t c\u1ea7u \u0111\u01b0\u1ee3c h\u00e0n c\u00e1c thanh s\u1eaft h\u00ecnh (L40x40) \u0111\u1ec3 ch\u1ed1ng tr\u01a1n tr\u01b0\u1ee3t,<\/span><\/p>\n

– Lan can l\u00e0m b\u1eb1ng \u1ed1ng s\u1eaft \u00d819.<\/span><\/p>\n

– V\u1ec1 ph\u1ea7n chi ph\u00ed b\u1ea3o d\u01b0\u1ee1ng: n\u1ebfu gi\u00e1 <\/span>x\u00e2y d\u1ef1ng cho c\u00e2y c\u1ea7u l\u00e0 100 tri\u1ec7u th\u00ec \u0111\u1ec3 l\u1ea1i cho \u0111\u1ecba ph\u01b0\u01a1ng 0,3% \u0111\u1ec3 b\u1ea3o d\u01b0\u1ee1ng m\u1ed7i n\u0103m.<\/span><\/p>\n

\"113\"<\/a>Anh Nguy\u1ec5n V\u0103n T\u1ed5ng v\u00e0 Tr\u1ea7n Kh\u00e1nh V\u00e2n trong L\u1ec5 kh\u00e1nh th\u00e0nh c\u1ea7u s\u1eaft c\u1ee7a anh NVT\u1ed5ng<\/p>\n

\"114\"<\/a>Xe \u00f4t\u00f4 qua c\u1ea7u<\/p>\n

\"115\"<\/a>Quang c\u1ea3nh c\u00e2y c\u1ea7u<\/p>\n

\"116\"<\/a>G\u00f3c nh\u00ecn c\u1eadn c\u1ea3nh<\/p>\n

2. C\u1ea6U \u0110\u00daC B\u1eb0NG B\u00caT\u00d4NG<\/span><\/h2>\n

Ph\u00e1t bi\u1ec3u c\u1ee7a \u00f4<\/em>ng Nguy\u1ec5<\/em>n <\/em>V\u0103n <\/em><\/strong>Th<\/em><\/strong><\/span>\u1ea3o<\/span><\/strong> <\/strong><\/em><\/span><\/h3>\n

– N\u0103m 1999 b\u1eaft \u0111\u1ea7u \u0111i b\u1eaft c\u1ea7u v\u00e1n v\u00e0 x\u00e2y nh\u00e0 cho ng\u01b0\u1eddi ngh\u00e8o<\/span><\/p>\n

– N\u0103m 2006 b\u1eaft \u0111\u1ea7u \u0111i x\u00e2y c\u1ea7u \u0111\u00fac<\/span><\/p>\n

Quy tr\u00ecnh x\u00e2y c\u1ea7u : <\/strong><\/em><\/span><\/h3>\n

– C\u1ecdc \u0111\u1ed5 t\u1ea1i ch\u1ed5, d\u00f9ng s\u1eaft \u00f818(8 c\u00e2y), th\u00e2n c\u1ecdc c\u00f3 b\u1ed1 tr\u00ed ng\u1ea1nh ch\u1ed1ng l\u00fan m\u00f4\u0303i b\u00ean, c\u1ecdc d\u00e0i 6 m-7 m.<\/span><\/p>\n

– Xu\u00f4\u0301ng co\u0323c b\u0103\u0300ng ma\u0301y cu\u0309a \u0111i\u0323a ph\u01b0\u01a1ng (t\u01a1\u0300i xu\u00f4\u0301ng)<\/em>. Xu\u1ed1ng li\u00ean tu\u0323c \u0111\u00ea\u0301n lu\u0301c ca\u0309m th\u00e2\u0301y n\u0103\u0323ng thi\u0300 l\u00e2\u0301y ta\u0323 1 t\u00e2\u0301n v\u00f4\u0303 nhe\u0323 xu\u00f4\u0301ng v\u01b0\u0300a \u201c\u0111u\u0309 chu\u00e2\u0309n\u201d, \u0111\u00ea\u0301n khi kh\u00f4ng v\u00f4\u0303 \u0111\u01b0\u01a1\u0323c n\u01b0\u0303a thi\u0300 th\u00f4i.<\/span><\/p>\n

– \u0110a\u0300 ngang va\u0300 \u0111a\u0300 d\u1ecdc \u0111\u1ed5 c\u00f9ng l\u00fac, 21 nga\u0300y sau l\u1eafp \u0111\u1eb7t c\u1ed1t th\u00e9p b\u1ea3n m\u1eb7t c\u1ea7u v\u00e0 sau \u0111\u00f3 th\u00ec \u0111\u1ed5 b\u00eat\u00f4ng.<\/span><\/p>\n

– \u0110a\u0300 d\u1ecdc va\u0300 b\u1ea3n m\u1eb7t c\u1ea7u di\u0301nh li\u00ea\u0300n nhau (s\u0103\u0301t s\u01b0\u0309 du\u0323ng thi c\u00f4ng la\u0300 s\u0103\u0301t Nh\u00e2\u0323t)<\/em><\/span><\/p>\n

– \u0110\u1ed9 \u00a0d\u00f4\u0301c c\u00e2\u0300u l\u00e0 \u00a010 % (c\u01b0\u0301 1m th<\/span><\/em><\/span>\u00ec d\u1ed1c <\/span><\/em>xu\u00f4\u0301ng 10cm)<\/span><\/em>.<\/span><\/p>\n

– Gi\u00e1 trung bi\u0300nh c\u1ee7a c\u00e2y c\u00e2\u0300u da\u0300i 38m, chi\u1ec1u ngang 3,9m c\u00f3 ta\u0309i tr\u1ecdng 15 t\u00e2\u0301n v\u00e0o kho\u1ea3ng 420 tri\u00ea\u0323u VN\u0110 \u00a0(gi\u00e1 n\u0103m 2008)<\/em>.<\/span><\/p>\n

\"117\"<\/a>\u00d4ng Th\u1ea3o b\u00ean c\u1ea1nh chi\u1ebfc m\u00e1y tr\u1ed9n b\u00eat\u00f4ng quen thu\u1ed9c<\/p>\n

\"118\"<\/a>\u00d4ng Th\u1ea3o tr\u01b0\u1edbc b\u00e3i c\u1ecdc b\u00eat\u00f4ng \u0111\u00fac s\u1eb5n<\/p>\n

\"119\"<\/a>Ng\u1ea1nh ch\u1ed1ng l\u00fan c\u1ee7a c\u00e1c c\u1ecdc b\u00eat\u00f4ng<\/p>\n

\"120\"<\/a>L\u1eadp d\u00e0n v\u00e0 xu\u1ed1ng c\u1ecdc b\u1eb1ng t\u1eddi do \u00f4ng Th\u1ea3o ch\u1ebf t\u1ea1o<\/p>\n

\"121\"<\/a>K\u1ebft c\u1ea5u b\u00ean d\u01b0\u1edbi<\/p>\n

\"122\"<\/a>Quang c\u1ea3nh c\u00e2y c\u1ea7u<\/p>\n

3. C\u1ea6U TREO<\/span>
\n<\/span><\/h2>\n

Ph\u00e1t bi\u1ec3u c\u1ee7a \u00f4ng Ph\u1ea1m V\u0103n Q<\/em>u\u00fd (t\u1ef1 S\u00e1u Qu\u00fd)<\/em><\/strong><\/span><\/h3>\n

– N\u0103m 1995 : \u0111\u01b0\u1ee3c nh\u00e0 n\u01b0\u1edbc giao th\u1ef1c hi\u1ec7n x\u00e2y c\u00e2y c\u00e2\u0300u treo d\u00e2y v\u00f5ng \u0111\u00e2\u0300u ti\u00ean c\u00f3 k\u1ebft c\u1ea5u c\u01a1 b\u1ea3n la\u0300: d\u00e2y treo v\u00f5ng (c<\/span><\/em><\/span>\u1ea7u d\u00e2y v\u00f5ng<\/span><\/em>) <\/span><\/em>b\u1eb1ng c<\/span><\/span>\u00e1c s\u1ee3i <\/span>c<\/span>\u00e1p 16mm (<\/span><\/em><\/span>\u0111\u01b0\u1eddng k\u00ednh b\u00f3 c\u00e1p <\/span><\/em>~\u042450)<\/span> <\/span><\/em>\u0111\u01b0\u1ee3c truy\u1ec1n qua 2 tr\u1ee5 th\u00e1p ch\u00ednh \u0111\u1eb7t \u1edf g\u1ea7n 2 b\u00ean b\u1edd s\u00f4ng, b\u1ea3n m\u1eb7t c\u1ea7u \u0111\u01b0\u1ee3c treo v\u00e0o d\u00e2y v\u00f5ng b\u1edfi nh\u1eefng thanh s\u0103\u0301t (c<\/em><\/span><\/span>\u00e1c <\/em><\/span>thanh treo)<\/em><\/span>.<\/span><\/p>\n

– N\u0103m 1996 : c\u00e2y c\u00e2\u0300u co\u0301 m\u00f4\u0323t d\u00e2y ca\u0301i treo toa\u0300n c\u00e2\u0300u \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng, tru\u0323 c\u1ea7u \u0111\u1eb7t tr\u00ean b\u01a1\u0300, chi\u1ec1u r\u00f4\u0323ng c\u1ea7u 2m, chi\u1ec1u da\u0300i 38m, ta\u0309i tro\u0323ng 1 t\u00e2\u0301n.<\/span><\/p>\n

– Kho\u0301 kh\u0103n ban \u0111\u1ea7u g\u0103\u0323p pha\u0309i : l\u0103\u0301p 2 d\u1ea7m ch\u01b0a li\u00ea\u0300n, ch\u01b0a th\u1eadt kh\u1edbp v\u01a1\u0301i nhau.<\/span><\/p>\n

Sau khi c\u00e2\u0300u My\u0303 Thu\u00e2\u0323n ra \u0111\u01a1\u0300i thi\u0300 c\u00e1c m\u00e2\u0303u c\u00e2\u0300u treo d<\/span><\/span>\u00e2y v\u0103ng <\/span>\u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng d\u01b0\u0323a m\u00f4 h\u00ecnh \u0111\u00f3, t\u1ee9c l\u00e0 m\u00f4 h\u00ecnh tru\u0323 th\u00e1p h\u00ecnh ch\u1eef H \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng c\u00f9ng v\u1edbi c\u00e1c d\u00e2y v\u0103ng.<\/span><\/p>\n

– C\u00f3 2 lo\u1ea1i tr\u1ee5 th\u00e1p \u0111\u00e3 s\u1eed d\u1ee5ng: tr\u1ee5 th\u00e1p b\u1eb1ng khung th\u00e9p h\u00ecnh v\u00e0 b\u1eb1ng b\u00eat\u00f4ng c\u1ed1t th\u00e9p.<\/span><\/p>\n

+ Tr\u1ee5 th\u00e1p b\u1eb1ng khung th\u00e9p h\u00ecnh \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o t\u1eeb 4 c\u00e2y s\u1eaft h\u00ecnh ch\u1eef L gh\u00e9p l\u1ea1i c\u00f9ng v\u1edbi nh\u1eefng thanh gi\u1eb1ng (gi\u1ed1ng nh\u01b0 tr\u1ee5 anten)<\/em>. Khung th\u00e9p h\u00ecnh n\u00e0y \u0111\u01b0\u1ee3c li\u00ean k\u1ebft ch\u1eb7t v\u1edbi x\u00e0 m\u0169 c\u1ee7a tr\u1ee5 c\u1ea7u \u0111\u1ec3 t\u1ea1o th\u00e0nh tr\u1ee5 th\u00e1p ch\u00ednh (bi\u00ea\u0323n pha\u0301p x\u00e2y d\u01b0\u0323ng \u0111\u01b0\u01a1\u0323c Tr<\/span><\/em><\/span>\u01b0\u1eddng <\/span><\/em>\u0110H Ba\u0301ch<\/span> khoa ki\u00ea\u0309m \u0111i\u0323nh)<\/em>.<\/span><\/p>\n

+ Tr\u1ee5 th\u00e1p b\u1eb1ng b\u00eat\u00f4ng c\u1ed1t th\u00e9p: to\u00e0n b\u1ed9 \u0111\u00e0i c\u1ecdc, th\u00e2n tr\u1ee5, x\u00e0 m\u0169, tr\u1ee5 th\u00e1p \u0111\u01b0\u1ee3c \u0111\u00fac b\u1eb1ng b\u00eat\u00f4ng c\u1ed1t th\u00e9p li\u1ec1n kh\u1ed1i.<\/span><\/p>\n

– C\u1ecdc s\u1eed d\u1ee5ng cho tr\u1ee5 c\u1ea7u l\u00e0 lo\u1ea1i c\u1ecdc b\u00eat\u00f4ng \u0111\u01b0\u1ee3c \u0111\u00fac s\u1eb5n tr\u00ean b\u1edd v\u00e0 lo\u1ea1i c\u1ed9t \u0111i\u1ec7n b\u1eb1ng b\u00eat\u00f4ng ly t\u00e2m.<\/span><\/p>\n

– Du\u0300ng x\u00e0 l<\/span>an 3 t\u00e2\u0301n \u0111\u1ec3 e\u0301p c\u1ecdc qua h\u1ec7 th\u1ed1ng t\u1eddi (palan)<\/em>, n\u00ea\u0301u c\u00e2\u0300n \u00e9p n\u01b0\u0303a thi\u0300 b\u01a1m v\u00e0o x\u00e0 lan 5 m3<\/sup>– 6 m3<\/sup> n\u01b0\u01a1\u0301c \u0111\u1ec3 l\u00e0m t\u0103ng t\u1ea3i tr\u1ecdng \u00e9p.<\/span><\/p>\n

– Khi xu\u00f4\u0301ng co\u0323c m\u00f4\u0323t th\u01a1\u0300i gian, ph\u00e2\u0300n co\u0323c d\u01b0\u01a1\u0301i \u0111\u00e2\u0301t \u0111u\u0309 s\u01b0\u0301c chi\u0323u \u0111\u01b0\u0323ng, \u0111\u1ea5t ca\u0301t xung quanh c\u1ecdc se\u0303 \u00e9p ch\u1eb7t co\u0323c la\u0323i.<\/span><\/p>\n

– S\u01b0\u0301c chi\u0323u ta\u0309i c\u1ee7a c\u1ea7u \u0111\u01b0\u1ee3c t\u00ednh l\u00e0 200kg\/m2<\/sup>.<\/span><\/p>\n

– Ba\u0309o d\u01b0\u01a1\u0303ng c\u1ea7u : 6 tha\u0301ng cho v\u00f4 nh\u1edbt 1 l\u1ea7n.<\/span><\/p>\n

\"123\"<\/a>\u00d4ng Ph\u1ea1m V\u0103n Qu\u00fd<\/p>\n

\"124\"<\/a>C\u1ea7u Ph\u00fa V\u0129nh x\u00e2y d\u1ef1ng th\u00e1ng 01\/2008<\/p>\n

\"125\"<\/a><\/p>\n

<\/p>\n

H\u01b0\u1edbng nh\u00ecn theo chi\u1ec1u d\u1ecdc c\u00e2y c\u1ea7u<\/p>\n

\"126\"<\/a>Quang c\u1ea3nh c\u00e2y c\u1ea7u<\/p>\n

4. C\u1ea6U B\u00ca T\u00d4NG C\u1ed0T TH\u00c9P (c\u1ecdc \u0111\u00fac tr\u00ean b\u1edd)<\/span>
\n<\/span><\/h2>\n

Ph\u00e1t bi\u1ec3u c\u1ee7a anh th<\/em>\u1ea7u Hu\u1ef3nh Th\u00f4ng<\/em><\/span><\/strong><\/h3>\n

Ki\u0301nh th\u01b0a Ban C\u00f4\u0301 V\u00e2\u0301n, t\u00e2\u0323p th\u00ea\u0309 c\u00f4 ba\u0301c Nho\u0301m VK, va\u0300 ca\u0301c ba\u0323n \u0111\u00f4\u0300ng nghi\u00ea\u0323p. T\u00f4i r\u00e2\u0301t h\u00e2n ha\u0323nh \u0111\u01b0\u01a1\u0323c \u0111\u00ea\u0301n \u0111\u00e2y \u0111\u00ea\u0309 chia se\u0303, ho\u0323c ho\u0309i nh\u01b0\u0303ng kinh nghi\u00ea\u0323m cu\u0309a quy\u0301 vi\u0323, \u0111\u00ea\u0309 cho nh\u01b0\u0303ng chi\u00ea\u0301c c\u00e2\u0300u s\u0103\u0301p t\u01a1\u0301i \u0111\u01b0\u01a1\u0323c t\u00f4\u0301t \u0111e\u0323p va\u0300 v\u01b0\u0303ng ch\u0103\u0301c h\u01a1n.
\nT\u00f4i b\u0103\u0301t \u0111\u00e2\u0300u x\u00e2y c\u00e2\u0300u v\u01a1\u0301i \u201cNho\u0301m VK\u201d t\u01b0\u0300 n\u0103m 2006, \u0111\u00ea\u0301n nay \u0111a\u0303 x\u00e2y \u0111\u01b0\u01a1\u0323c h\u01a1n 40 c\u00e2y c\u00e2\u0300u.<\/span><\/p>\n

Quy tr\u00ecnh th\u1ef1c hi\u1ec7n: <\/span><\/strong><\/em><\/span><\/h3>\n

\u0110\u00fac c\u1ecdc tr\u00ean b\u1edd: <\/strong><\/span><\/h4>\n

C\u1ecdc c\u00f3 k\u00edch th\u01b0\u1edbc 20x20cm, \u0111\u01b0\u1ee3c \u0111\u00fac s\u1eb5n tr\u00ean b\u1edd. Chi\u1ec1u d\u00e0i c\u1ecdc t\u1eeb 5,50m \u0111\u1ebfn 7,0 m \u00a0tu\u0300y lo\u0300ng s\u00f4ng s\u00e2u, ca\u0323n hay \u0111\u1ed9 l\u01a1\u0301n nho\u0309 cu\u0309a c\u00e2\u0300u.<\/span><\/p>\n

\u00c9p c\u1ecdc: <\/strong><\/span><\/h4>\n

– Sau khi \u0111a\u0303 \u0111i\u0323nh vi\u0323 ca\u0301c co\u0323c. Du\u0300ng m\u00e1y khoan, khoan va\u0300o lo\u0300ng \u0111\u00e2\u0301t t\u01b0\u0300 4 m \u0111\u00ea\u0301n 5m, \u0111\u01b0\u01a1\u0300ng k\u00ednh l\u00f4\u0303 khoan la\u0300 15cm.<\/span><\/p>\n

– Co\u0323c \u0111\u01b0\u01a1\u0323c \u0111\u01b0a l\u00ean thuy\u00ea\u0300n, di chuy\u1ec3n \u0111\u1ebfn v\u1ecb tr\u00ed c\u1ea7n \u0111\u00f3ng c\u1ecdc, d\u01b0\u0323ng c\u1ecdc l\u00ean va\u0300 \u0111\u01b0a c\u1ecdc va\u0300o l\u1ed5 v\u01b0\u0300a khoan xong.<\/span><\/p>\n

– L\u1eafp \u0111\u1eb7t da\u0300n gi\u00e1o va\u0300 d\u00f9ng s\u1ee9c ng\u01b0\u1eddi \u0111\u1ec3 \u00e9p c\u1ecdc. Nh\u1edd 18 ng\u01b0\u01a1\u0300i – 20 ng\u01b0\u01a1\u0300i leo l\u00ean d\u00e0n r\u1ed3i nhu\u0301n xu\u00f4\u0301ng, nh\u00fan \u0111\u00ea\u0301n lu\u0301c co\u0323c kh\u00f4ng xu\u00f4\u0301ng \u0111\u01b0\u01a1\u0323c n\u01b0\u0303a. Lu\u0301c na\u0300y th\u00ec co\u0323c \u0111a\u0303 \u0111a\u0323t \u0111\u01b0\u01a1\u0323c \u0111\u00f4\u0323 s\u00e2u t\u1eeb 5 m \u0111\u00ea\u0301n 6 m.<\/span><\/p>\n

– Ti\u1ebfn tr\u00ecnh n\u00e0y \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n cho \u0111\u00ea\u0301n khi hoa\u0300n tha\u0300nh ca\u0301c co\u0323c kh\u00e1c.<\/span><\/p>\n

\u0110\u1ed5 b\u00eat\u00f4ng \u0111\u00e0 c\u1ecdc<\/strong><\/span><\/h4>\n

– La\u0300m v\u00ea\u0323 sinh ca\u0301c \u0111\u00e2\u0300u co\u0323c va\u0300 \u0111\u00f4\u0309 b\u00eat\u00f4ng n\u00f4\u0301i ca\u0301c \u0111\u00e2\u0300u co\u0323c cho b\u0103\u0300ng nhau. Sau \u0111o\u0301 ti\u00ea\u0301n ha\u0300nh l\u1eafp \u0111\u1eb7t c\u1ed1t the\u0301p v\u00e0 \u0111\u00f4\u0309 \u0111a\u0300i c\u1ecdc, \u0111a\u0300 co\u0301 ki\u0301ch th\u01b0\u01a1\u0301c 25 cm x 30 cm (\u0111a\u0300 na\u0300y n\u0103\u0300m \u01a1\u0309 m\u01b0\u0323c n\u01b0\u01a1\u0301c trung bi\u0300nh, th\u01b0\u1eddng l\u00e0 kho\u1ea3ng gi\u1eefa c\u1ee7a s\u00e0n c\u1ea7u v\u00e0 \u0111\u00e1y s\u00f4ng)<\/em><\/span><\/p>\n

– Ti\u00ea\u0301p theo la\u0300 c\u0103ng d\u00e2y ti\u0301nh \u0111\u00f4\u0323 cao th\u00f4ng thuy\u00ea\u0300n va\u0300 \u0111\u00f4\u0323 d\u1ed1c. Ti\u00ea\u0301n ha\u0300nh \u0111\u00f4\u0309 b\u00eat\u00f4ng tru\u0323 c\u00e2\u0300u.<\/span><\/p>\n

Gi\u00e0n ch\u1ed1ng<\/strong><\/span><\/h4>\n

– Gia\u0300n ch\u1ed1ng \u0111\u01b0\u01a1\u0323c ch\u1ed1ng theo m\u1ed9t hi\u0300nh re\u0309 qua\u0323t, (la\u0300 ch\u1ed1ng t\u01b0\u0300 \u0111a\u0300 n\u01b0\u01a1\u0301c (<\/span><\/em><\/span>\u0111\u00e0i c\u1ecdc<\/em><\/span>) <\/span>xo\u0300e ra)<\/em> va\u0300 \u0111\u01b0\u01a1\u0323c li\u00ean k\u00ea\u0301t v\u01a1\u0301i nhau. Giu\u0301p chi\u0323u ta\u0309i \u0111\u00f4\u0300ng nh\u00e2\u0301t, gia\u0309m l\u01b0\u01a1\u0323ng c\u00e2y cho\u0301ng va\u0300 kh\u00f4ng a\u0309nh h\u01b0\u01a1\u0309ng \u0111\u00ea\u0301n giao th\u00f4ng \u0111\u01b0\u1eddng thu\u0309y.<\/span><\/p>\n

– Khi \u0111a\u0303 \u00f4\u0309n \u0111i\u0323nh gia\u0300n ch\u00f4\u0301ng, ti\u00ea\u0301p theo la\u0300 \u0111o\u0301ng bal, b\u00f4 s\u0103\u0301t, khe\u0301p c\u1ed1p pha do\u0323c v\u00e0 c\u1ed1p pha ngang, sau \u0111\u00f3 lo\u0301t sa\u0300n.<\/span><\/p>\n

M\u1eb7t b\u1eb1ng c\u1ea7u:<\/strong><\/span><\/h4>\n

– M\u0103\u0323t b\u0103\u0300ng c\u1ea7u da\u0300y la\u0300 10cm \u0111\u01b0\u01a1\u0323c \u0111\u00f4\u0309 cu\u0300ng m\u1ed9t lu\u0301c va\u0300 \u0111\u00f4\u0309 li\u00ean t\u1ee5c t\u1eeb m\u1ed1 c\u1ea7u n\u00e0y sang m\u1ed1 c\u1ea7u kia.<\/span><\/p>\n

Lan can<\/strong>:<\/span><\/h4>\n

– Thanh lan can b\u1eb1ng s\u0103\u0301t \u0111\u01b0\u01a1\u0323c li\u00ean k\u00ea\u0301t li\u00ea\u0300n 2 thanh d\u00e0i 3,4 m, m\u00f4\u0303i thanh b\u00eat\u00f4ng 1,6m (\u0111\u00f4\u0309 tr\u01b0\u01a1\u0301c)<\/em><\/span><\/p>\n

– Li\u00ean k\u00ea\u0301t ca\u0301c thanh v\u01a1\u0301i s\u0103\u0301t ch\u01a1\u0300 \u01a1\u0309 m\u00f4\u0303i tru\u0323 lan can \u0111a\u0303 chu\u00e2\u0309n bi\u0323 tr\u01b0\u01a1\u0301c tr\u00ean m\u0103\u0323t b\u0103\u0300ng c\u00e2\u0300u va\u0300 khe\u0301p khung \u0111\u00f4\u0309 tru\u0323 lan can ta\u0323i ch\u00f4\u0309.<\/span><\/p>\n

– \u0110\u00ea\u0301n th\u01a1\u0300i gian cho phe\u0301p la\u0300 tha\u0301o gia\u0300n<\/span><\/p>\n

V\u00ea\u0300 b\u00eat\u00f4ng: t\u00e2\u0301t ca\u0309 \u0111\u00ea\u0300u s\u01b0\u0309 ma\u0301c 200 va\u0300 tr\u00f4\u0323n b\u0103\u0300ng ma\u0301y<\/span><\/p>\n

\"127\"<\/a>Anh Hu\u1ef3nh Th\u00f4ng<\/p>\n

\"128\"<\/a>C\u1ecdc BTCT \u0111\u01b0\u1ee3c \u0111\u00fac s\u1eb5n tr\u00ean b\u1edd<\/p>\n

\"129\"<\/a>L\u1eafp d\u00e0n gi\u00e1o x\u00e2y d\u1ef1ng tr\u1ee5 c\u1ea7u<\/p>\n

\"130\"<\/a>X\u00e0 m\u0169 v\u1eeba \u0111\u1ed5 b\u00ea t\u00f4ng<\/p>\n

\"131\"<\/a>\u0110\u1ed5 b\u00ea t\u00f4ng b\u1ea3n m\u1eb7t c\u1ea7u<\/p>\n

\"132\"<\/a>C\u1ea7u \u0111\u00e3 ho\u00e0n th\u00e0nh<\/p>\n

5. C\u1ea6U B\u00ca T\u00d4NG C\u1ed0T TH\u00c9P (c\u1ecdc \u0111\u00fac d\u01b0\u1edbi n\u01b0\u1edbc)<\/span>
\n<\/span><\/h2>\n

Ph\u00e1t bi\u1ec3u c\u1ee7a anh <\/em>V\u0169 V\u0103n Khanh<\/em><\/strong><\/span>
\n<\/span><\/h3>\n

T\u1eeb n\u0103m 2006, t\u00f4i \u0111i x\u00e2y c\u1ea7u cho \u201cNh\u00f3m VK\u201d v\u1edbi 2 ph\u01b0\u01a1ng ph\u00e1p l\u00e0m m\u00f3ng:<\/span><\/p>\n

1- <\/strong>Ph\u01b0\u01a1ng ph\u00e1p c\u1ecdc nh\u1ef1a<\/span><\/strong>:<\/strong><\/span><\/h4>\n

– \u0110\u1ea7u ti\u00ean l\u00e0 \u00a0\u0111i\u0323nh vi\u0323 c\u00e2\u0300u, \u0111i\u0323nh vi\u0323 tr\u1ee5 c\u00e2\u0300u.<\/span><\/p>\n

– \u0110\u00f3ng \u1ed1ng nh\u1ef1a \u00d8 250 v\u00e0o l\u00f2ng \u0111\u1ea5t \u0111\u1ebfn \u0111\u1ed9 s\u00e2u kho\u1ea3ng 4m – 5m. \u0110\u1ea7u d\u01b0\u1edbi \u1ed1ng \u0111\u01b0\u1ee3c n\u00eam b\u1edfi m\u1ed9t n\u00fat nh\u1ecdn b\u1eb1ng g\u1ed7 \u0111\u1ec3 c\u1ecdc d\u1ec5 d\u00e0ng xuy\u00ean qua c\u00e1c l\u1edbp \u0111\u1ea5t c\u1ee9ng.<\/span><\/p>\n

– D\u00f9ng b\u00faa b\u00eat\u00f4ng \u0111\u00f3ng xu\u1ed1ng l\u1ef1c 1.500kg. \u0110\u00f3ng \u0111\u1ebfn \u0111\u1ed9 s\u00e2u 4m \u2013 5 m. M\u00f4\u0323t tr\u1ee5 c\u1ea7u b\u1ed1 tr\u00ed 3 co\u0323c, m\u00f4\u0303i co\u0323c co\u0301 ta\u0309i tro\u0323ng t\u01b0\u01a1ng \u0111\u01b0\u01a1ng 6 t\u00e2\u0301n.<\/span><\/p>\n

– \u00d4\u0301ng nh\u1ef1a n\u00e0y tr\u1edf th\u00e0nh c\u1ed1p pha \u0111\u1ec3 \u0111\u1ed5 b\u00ea tong c\u1ecdc sau \u0111\u00f3 (\u1ed1ng nh\u1ef1a \u0111\u1ec3 l\u1ea1i trong b\u00f9n)<\/em><\/span><\/p>\n

– \u0110\u01b0a l\u00f4\u0300ng s\u1eaft v\u00e0o \u1ed1ng nh\u1ef1a v\u00e0 sau \u0111\u00f3 \u0111\u1ed5 b\u00ea t\u00f4ng c\u1ecdc.<\/span><\/p>\n

– Th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c 6 c\u00f4ng tr\u00ecnh c\u1ea7u th\u00ec t\u00f4i chuy\u1ec3n qua ph\u01b0\u01a1ng ph\u00e1p c\u1ecdc nh\u1ed3i.<\/span><\/p>\n

2- <\/strong>Ph\u01b0\u01a1ng ph\u00e1p c\u1ecdc khoan nh\u1ed3i: <\/span><\/strong><\/span><\/h4>\n

– \u0110\u1ea7u ti\u00ean \u0111\u1ecbnh v\u1ecb c\u1ea7u, \u0111i\u0323nh vi\u0323 tr\u1ee5 c\u00e2\u0300u, m\u00f4\u0303i tr\u1ee5 co\u0301 ta\u0309i tro\u0323ng 12 t\u00e2\u0301n.<\/span><\/p>\n

– \u0110\u01b0a gia\u0300n khoan ra v\u1ecb tr\u00ed c\u1ea7n khoan c\u1ecdc, (m\u00e1y khoan ch\u1ebf t\u1eeb m\u00e1y khoan gi\u1ebfng) <\/em>ch\u1ec9 c\u1ea7n 2 ng\u01b0\u1eddi gi\u1eef \u0111i\u1ec7n v\u00e0 l\u1eafp m\u0169i khoan.<\/span><\/p>\n

– D\u00f9ng m\u0169i khoan \u00d8 300 mm, khoan s\u00e2u t\u1eeb 6 m – 7 m (t\u00ednh t\u1eeb m\u1eb7t \u0111\u00e1y s\u00f4ng). <\/em>Th\u1eddi gian khoan m\u1ea5t kho\u1ea3ng 1 gi\u01a1\u0300 \/ c\u1ecdc.<\/span><\/p>\n

– Th\u00e1o m\u0169i khoan v\u00e0 \u0111\u00f3ng \u1ed1ng nh\u1ef1a \u00d8 300 xu\u1ed1ng 8 m.<\/span><\/p>\n

– Thay m\u0169i khoan \u00d8 230 mm, khoan th\u00eam 3 m n\u1eefa th\u00ec \u0111\u1ea1t 10m.<\/span><\/p>\n

(v\u1edbi lo\u1ea1i \u0111\u1ea5t \u1edf mi\u1ec1n T\u00e2y th\u00ec \u0111\u1ed9 s\u00e2u c\u1ecdc t\u1eeb 10m-12m th\u00ec \u0111\u1ea1t ti\u00eau chu\u1ea9n cho xe co\u0301 ta\u0309i tro\u0323ng 2 t\u00e2\u0301n qua la\u0323i an toa\u0300n<\/span><\/em><\/span> tr\u00ean <\/span><\/em>c\u00e2<\/span>\u0300u<\/em><\/span>) <\/em><\/span><\/p>\n

– D\u00f9ng \u1ed1ng n\u01b0\u1edbc, th\u1ed5i (b\u01a1m) <\/em>n\u01b0\u1edbc l\u00ean, \u0111\u1ebfn khi n\u01b0\u1edbc trong (n\u01b0\u1edbc trong \u1ed1ng nh\u1ef1a kh\u00f4ng c\u00f2n \u0111\u1ee5c n\u1eefa)<\/em>.<\/span><\/p>\n

– \u0110\u01b0a l\u00f4\u0300ng s\u1eaft xu\u00f4\u0301ng 6m (t\u00ednh t\u1eeb \u0111\u00e1y s\u00f4ng)<\/em>, d\u01b0\u1edbi \u0111\u00f4\u0309 b\u00eat\u00f4ng lo\u0301t kh\u00f4ng co\u0301 s\u0103\u0301t 4m (l\u1ed3ng s\u1eaft \u0111\u01b0\u1ee3c qu\u1ea5n v\u00f2ng xo\u1eafn t\u01b0\u0300 d\u01b0\u01a1\u0301i \u0111i l\u00ean ch\u1ee9 kh\u00f4ng c\u1eaft r\u1eddi)<\/em><\/span><\/p>\n

– \u0110\u01b0a \u1ed1ng \u0111\u1ed5 b\u00ea t\u00f4ng \u00d8120 xu\u1ed1ng \u0111\u00e1y l\u1ed5 khoan.<\/span><\/p>\n

– D\u00f9ng ph\u1ec5u \u0111\u1eb7t ngay \u0111\u1ea7u \u1ed1ng \u0111\u1ed5 b\u00eat\u00f4ng v\u00e0 du\u0300ng t\u01a1\u0300i, t\u1eddi l\u00ean xu\u1ed1ng li\u00ean t\u1ee5c sao cho lu\u00f4n \u0111\u1ea3m b\u1ea3o \u1ed1ng nh\u1ef1a \u0111\u01b0\u1ee3c ng\u00e2m trong b\u00eat\u00f4ng.<\/span><\/p>\n

– \u0110\u1ed5 b\u00eat\u00f4ng cao h\u01a1n m\u0103\u0323t n\u01b0\u01a1\u0301c th\u1ea5p nh\u1ea5t 1m (th\u01a1\u0300i gian \u0111\u1ed5 b\u00eat\u00f4ng xong 1 c\u1ecdc kho\u1ea3ng 1 gi\u01a1\u0300)<\/em><\/span><\/p>\n

– \u0110\u1ee5c cho b\u1eb1ng \u1ed1ng, r\u1ed3i m\u1edbi \u0111\u00f3ng c\u1ed1p pha.<\/span><\/p>\n

– \u0110\u00f3ng c\u1ed1p pha, l\u1eafp c\u1ed1t s\u1eaft \u0111\u00e0 \u0111\u00e0i c\u1ecdc. D\u00f9ng c\u1ed1p pha b\u1eb1ng th\u00e9p, \u1ed1ng \u0111\u01b0\u1ee3c t\u1ea1o ra t\u1eeb 2 l\u00e1 th\u00e9p \u1ed1p l\u1ea1i, c\u00f3 g\u1eafn joint cao su ch\u1ed1ng r\u1ec9 b\u00eat\u00f4ng c\u0169ng nh\u01b0 n\u01b0\u1edbc xi m\u0103ng.<\/span><\/p>\n

– Ti\u1ebfp theo \u0111o\u0301ng c\u1ed1p pha d\u1ea7m v\u00e0 sa\u0300n c\u1ea7u, l\u1eafp \u0111\u1eb7t c\u1ed1t th\u00e9p r\u1ed3i \u0111\u00f4\u0309 b\u00ea t\u00f4ng d\u1ea7m va\u0300 b\u1ea3n m\u1eb7t c\u1ea7u cu\u0300ng lu\u0301c.<\/span><\/p>\n

– Lan can \u0111\u1ed5 vu\u00f4ng 13 x 13 cm, \u0111\u01b0\u1ee3c \u0111\u00fac b\u00eat\u00f4ng tr\u1ef1c ti\u1ebfp.<\/span><\/p>\n

\"133\"<\/a>Anh V\u0169 V\u0103n Khanh<\/p>\n

\"134\"<\/a>Khoan c\u1ecdc nh\u1ed3i<\/p>\n

\"135\"<\/a>\u0110\u1ed5 b\u00ea t\u00f4ng v\u00e0o c\u1ecdc<\/p>\n

\"136\"<\/a>\u0110\u00f3ng c\u1ed1p pha \u0111\u00e0i c\u1ecdc<\/p>\n

\"137\"<\/a>\u0110\u1ed5 b\u00ea t\u00f4ng th\u00e2n tr\u1ee5<\/p>\n

\"138\"<\/a><\/span>C\u1ea7u trong ng\u00e0y L\u1ec5 kh\u00e1nh th\u00e0nh<\/p>\n


\n<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

1. C\u1ea6U S\u1eaeT Ph\u00e1t bi\u1ec3u c\u1ee7a \u00f4ng Nguy\u1ec5n V\u0103n T\u1ed5ng (G\u0110 Cty Thi\u1ec7n T\u00e2m) – Tr\u01b0\u1edbc \u0111\u00e2y l\u00e0 m\u1ed9t th\u1ea7y gi\u00e1o, n\u0103m 1993 khi \u0111\u00e3 c\u00f3 trong tay m\u1ed9t \u00edt ti\u1ec1n, \u00f4ng li\u1ec1n ngh\u0129 \u0111\u1ebfn vi\u1ec7c x\u00e2y d\u1ef1ng c\u1ea7u cho…<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":1219,"menu_order":4,"comment_status":"open","ping_status":"open","template":"","meta":{"footnotes":""},"class_list":["post-1265","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/pontvk.org\/index.php?rest_route=\/wp\/v2\/pages\/1265","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pontvk.org\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/pontvk.org\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/pontvk.org\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/pontvk.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1265"}],"version-history":[{"count":21,"href":"https:\/\/pontvk.org\/index.php?rest_route=\/wp\/v2\/pages\/1265\/revisions"}],"predecessor-version":[{"id":3426,"href":"https:\/\/pontvk.org\/index.php?rest_route=\/wp\/v2\/pages\/1265\/revisions\/3426"}],"up":[{"embeddable":true,"href":"https:\/\/pontvk.org\/index.php?rest_route=\/wp\/v2\/pages\/1219"}],"wp:attachment":[{"href":"https:\/\/pontvk.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1265"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}