摘要
以忻保高速公路L21合同段隧道工程为例,详细介绍了黄土隧道中采用上导坑预留核心土台阶分部法开挖的施工方法及流程,具体阐述了浅埋段的处置措施和特殊地质及病害的处理办法,为类似工程施工积累了经验。
Taking high-speed railway from Xinzhou to Baode tunnel contract L21 section as an example,this paper illustrates excavation construction methods and procedures in loess tunnel using the core three-step-segment method reserved,describes treatment measures,the special geological and disease treatment in shallow paragraph,which accumulates experience for similar projects.
出处
《山西建筑》
2010年第17期314-315,共2页
Shanxi Architecture
关键词
黄土隧道
三台阶法
分部开挖
浅埋段
loess tunnel
three step method
branch excavation
shallow paragraph
