杨家坪隧道出口水石流涌出治理施工技术  

Treatment Techology of Yangjiaping Tunnel Exit Out of Debris Flow

作　　者：印建文 

机构地区：[1]成兰铁路有限责任公司,四川成都610072

出　　处：《企业技术开发》2017年第2期46-49,共4页Technological Development of Enterprise

摘　　要：成兰铁路杨家坪隧道出口区域构造复杂,围岩破碎软弱,施工中突发水石流涌出。文章介绍了水石流涌出治理过程和帷幕注浆方法,通过治理有效地加固了围岩,将地下水进行了封堵。同时,对帷幕注浆方法的不足进行了分析,希望对隧道类似不良地质的处治提供一些参考。The regional structure of Yangjiaping tunnel exit in Chengdu-Lanzhou railway is complicated,weak surrounding rock burst, debris flow in the construction of emission.This paper introduced the emission control of debris flow process and curtain grouting method,through the management of effective reinforcement of surrounding rock,groundwater was blocked.At the same time on the curtain grouting method were analyzed,hoping to provide some reference for similar treatment of bad geological tunnel.

关 键 词：水石流 治理 帷幕注浆 

分 类 号：P642.23[天文地球—工程地质学]