TBM通过软岩破碎段塌方的预防及处理关键技术  

Discussion on Key Technologies of Prevention and Treatment of TBM through Collapse of Soft Rock Broken Section

作　　者：余学敏[1] 

机构地区：[1]中铁十八局集团有限公司,西藏林芝860400

出　　处：《建筑技术开发》2017年第2期99-100,共2页Building Technology Development

摘　　要：依托西秦岭隧道工程,针对TBM施工中通过的软岩破碎段、断层带、节理密集带、富水段及高地应力等围岩,提出防止塌方的技术保障措施,保证了TBM掘进顺利通过软岩地段,并提出TBM软岩塌方处理建议措施以供参考。Based on the West Qinling Mountains tunnel project in soft rock by TBM in the construction of the broken section, fault, joint concentrated zones, water rich section and high ground stress of surrounding rock, put forward to prevent the collapse of the technical measures, to ensure the TBM driving smoothly through the soft rock section.And puts forward some suggestions and measures for the treatment of TBM soft rock landslide.

关 键 词：TBM 软岩施工 围岩坍塌 

分 类 号：U455.43[建筑科学—桥梁与隧道工程]