探矿工程-岩土钻掘工程
探礦工程-巖土鑽掘工程
탐광공정-암토찬굴공정
EXPLORATION ENGINEERING (DRILLING & TUNNELING)
2013年
10期
39-42
,共4页
帷幕成孔%钻探技术%绳索取心
帷幕成孔%鑽探技術%繩索取心
유막성공%찬탐기술%승색취심
hole-forming for curtain%drilling technology%wire-line core drilling
与传统提钻取心钻进技术相比，绳索取心技术能有效解决取心质量差、钻孔弯曲、孔内事故多发等技术难题。结合大岗山水电站左岸940 m高程的帷幕成孔钻探工艺，分析钻探施工中存在的问题，采取针对性的工艺改进和优化措施，有效地解决了这些难题，并且在提高工程质量的同时获得了经济效益。
與傳統提鑽取心鑽進技術相比，繩索取心技術能有效解決取心質量差、鑽孔彎麯、孔內事故多髮等技術難題。結閤大崗山水電站左岸940 m高程的帷幕成孔鑽探工藝，分析鑽探施工中存在的問題，採取針對性的工藝改進和優化措施，有效地解決瞭這些難題，併且在提高工程質量的同時穫得瞭經濟效益。
여전통제찬취심찬진기술상비，승색취심기술능유효해결취심질량차、찬공만곡、공내사고다발등기술난제。결합대강산수전참좌안940 m고정적유막성공찬탐공예，분석찬탐시공중존재적문제，채취침대성적공예개진화우화조시，유효지해결료저사난제，병차재제고공정질량적동시획득료경제효익。
Compared with the traditional core drilling technology by lifting bits, wire-line coring technology can effectively solve the technical difficulties of poor core quality, borehole bending and downhole accidents.According to the drilling technology of hole-forming for curtain at the elevation of 940m on the left bank of Dagangshan hydropower station, the prob-lems in drilling construction are analyzed and effectively solved by process improvement and optimization, the engineering quality is improved with economic benefits.
