大跨度风积砂隧道塌方处理施工技术  

CONSTRUCTION TECHNOLOGY ABOUT COLLAPSE TREATMENT FOR LARGE-SPAN TUNNEL OF AEOLIAN SAND

作　　者：张志伟[1] 

机构地区：[1]东北林业大学土木工程学院,哈尔滨150040

出　　处：《低温建筑技术》2011年第4期92-95,共4页Low Temperature Architecture Technology

摘　　要：为了提高大跨度风积砂隧道塌方事故处理施工技术水平,在经棚隧道洞内塌方处理中采用小导管注浆超前支护的加固方法,简要介绍小导管注浆的加固原理、施工工艺及加固效果检验的施工情况。In order to improve the construction technology level about collapse accident treatment for large-span tunnel of aeolian sand,the reinforcement method of small pipe grouting ahead of the support was used in the hole collapse treatment for Jingpeng tunnel,this paper briefly introduces the construction conditions about the reinforcing principle,construction technique and reinforcement effect inspection of the small pipe grouting.

关 键 词：风积砂隧道 塌方 小导管 加固原理 参数设计 

分 类 号：TU943[建筑科学—建筑技术科学]