南水北调与水利科技
南水北調與水利科技
남수북조여수리과기
SOUTH-TO-NORTH WATER
2014年
2期
178-180,184
,共4页
钱勇%杨选波%杨振花%李双兰%张定彪
錢勇%楊選波%楊振花%李雙蘭%張定彪
전용%양선파%양진화%리쌍란%장정표
牛栏江-滇池补水工程%浅埋隧洞%不良地质%预固结灌浆%联合支护
牛欄江-滇池補水工程%淺埋隧洞%不良地質%預固結灌漿%聯閤支護
우란강-전지보수공정%천매수동%불량지질%예고결관장%연합지호
Niulanjiang-Dianchi Lake Water Supplement Project%shallow buried tunnel%unfavorable geology%pre-consolidation grouting%combined support
牛栏江-滇池补水工程大五山隧洞穿越对龙河段,存在地表环境复杂、埋深浅、地质条件复杂等不利施工的因素。为此,综合考虑技术、经济和环境影响等方面的因素,通过方案比选,设计采用了地表预固结灌浆、洞内钢支撑结合超前小导管等措施联合加强支护的方案,安全高效地穿过了该浅埋段,最终实现了施工安全、工期保证、投资合理、节能环保的目标,可为同类工程提供借鉴。
牛欄江-滇池補水工程大五山隧洞穿越對龍河段,存在地錶環境複雜、埋深淺、地質條件複雜等不利施工的因素。為此,綜閤攷慮技術、經濟和環境影響等方麵的因素,通過方案比選,設計採用瞭地錶預固結灌漿、洞內鋼支撐結閤超前小導管等措施聯閤加彊支護的方案,安全高效地穿過瞭該淺埋段,最終實現瞭施工安全、工期保證、投資閤理、節能環保的目標,可為同類工程提供藉鑒。
우란강-전지보수공정대오산수동천월대룡하단,존재지표배경복잡、매심천、지질조건복잡등불리시공적인소。위차,종합고필기술、경제화배경영향등방면적인소,통과방안비선,설계채용료지표예고결관장、동내강지탱결합초전소도관등조시연합가강지호적방안,안전고효지천과료해천매단,최종실현료시공안전、공기보증、투자합리、절능배보적목표,가위동류공정제공차감。
The Dawushan tunnel crossing Duilonghe segment of the Niulangjiang-Dianchi Lake Water Supplement Project has some disadvantages such as complex ground surface environment ,shallow buried depth ,and complicated geological conditions .In consideration of the technical ,economic ,and environmental factors ,the combined measure of pre-consolidation grouting on the ground and steel in the cave combined with advanced small pipe was applied to help the project crossing the shallow buried seg-ment successfully .The project finally realizes the goals of safe construction ,guaranteed working period ,reasonable investment , and energy conservation and environmental protection ,which can provide reference for other similar projects .