价值工程
價值工程
개치공정
VALUE ENGINEERING
2015年
4期
150-151
,共2页
大支坪隧道%岩溶%高风险%技术方案
大支坪隧道%巖溶%高風險%技術方案
대지평수도%암용%고풍험%기술방안
Dazhiping tunnel%karst%high risk%technical solution
大支坪隧道岩溶发育强烈,水文地质条件和地质构造复杂,施工难度大。帷幕注浆技术适用于富水断层带和软弱围岩隧道施工,本文主要从大支坪990溶腔的施工、灾害治理措施进行了比较详细的介绍,可为同类型工程提供经验借鉴。
大支坪隧道巖溶髮育彊烈,水文地質條件和地質構造複雜,施工難度大。帷幕註漿技術適用于富水斷層帶和軟弱圍巖隧道施工,本文主要從大支坪990溶腔的施工、災害治理措施進行瞭比較詳細的介紹,可為同類型工程提供經驗藉鑒。
대지평수도암용발육강렬,수문지질조건화지질구조복잡,시공난도대。유막주장기술괄용우부수단층대화연약위암수도시공,본문주요종대지평990용강적시공、재해치리조시진행료비교상세적개소,가위동류형공정제공경험차감。
The karst is strongly developed in Dazhiping tunnel, where the hydrogeological condition and geological structure is complex, so the construction is difficult. Curtain grouting technique is applicable to water-rich fault zone and weak rock tunnel construction. This article mainly introduces the construction and disaster treatment of Dazhiping 990 cavity in detail, which can provide experience for similar engineering.