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)
2015年
4期
76-78
,共3页
粉细砂地层%帷幕灌浆%高压旋喷%湿磨细水泥%化学灌浆
粉細砂地層%帷幕灌漿%高壓鏇噴%濕磨細水泥%化學灌漿
분세사지층%유막관장%고압선분%습마세수니%화학관장
silt and fine sand layer%curtain grouting%high-pressure jet grouting%wet grinding fine cement%chemical grouting
四川省武都水库右岸EL574 m灌浆平洞揭露出厚度2.3～9.8 m的粉细砂层，普通水泥高压灌浆无法形成可靠的防渗帷幕。采用高压旋喷、湿磨细水泥、化学灌浆的组合处理方式，取得了较好的施工效果。通过钻孔压水、大功率声波CT、单孔声波、钻孔全景数字成像等方法检测，表明达到了设计防渗要求。
四川省武都水庫右岸EL574 m灌漿平洞揭露齣厚度2.3～9.8 m的粉細砂層，普通水泥高壓灌漿無法形成可靠的防滲帷幕。採用高壓鏇噴、濕磨細水泥、化學灌漿的組閤處理方式，取得瞭較好的施工效果。通過鑽孔壓水、大功率聲波CT、單孔聲波、鑽孔全景數字成像等方法檢測，錶明達到瞭設計防滲要求。
사천성무도수고우안EL574 m관장평동게로출후도2.3～9.8 m적분세사층，보통수니고압관장무법형성가고적방삼유막。채용고압선분、습마세수니、화학관장적조합처리방식，취득료교호적시공효과。통과찬공압수、대공솔성파CT、단공성파、찬공전경수자성상등방법검측，표명체도료설계방삼요구。
On the right bank of Wudu reservoir of Sichuan, silt and fine sand layer with thickness of 2.3~9.8m exposed in EL574m grouting adit;in this case, reliable anti-seepage curtain can not be formed by high pressure grouting with ordinary cement.By the use of a combined grouting method of high pressure jetting grouting, wet grinding fine cement and chemical grouting, good construction effect is achieved.The construction was tested by water pressure in borehole, high-power a-coustic CT, single-hole acoustic wave and drilling digital panoramic imaging, which indicates that the construction has met the requirement of designed seepage control.
