摘要
文章以中兴隧道断层破碎带施工为例,介绍了全断面帷幕注浆施工和超前小管棚的施工处理技术,并对处理后的围岩进行了监控量测,分析了围岩开裂变形现象产生的原因,提出了相应的处治措施。
Using the Zhongxing tunnel as an example,the article introduces constructing techniques such as purdah grouting and small pile-shed forepoling.It also gives corresponding measures for post-construction monitoring and analyzes the reason of crack in the rock walls.
出处
《西部交通科技》
2010年第9期74-78,共5页
Western China Communications Science & Technology
关键词
断层破碎带
帷幕注浆
超前小管棚
施工技术
处理措施
Fault layer
Purdah grouting
Small pile-shed firepoling
Construction technique
Counter method
