围岩坍塌地段TBM处理措施研究

RESEARCH ON TREATMENT MEASURES FOR TBM WORKING IN COLLAPSED SECTION OF SURROUNDING ROCK

本文对TBM在桃花铺Ⅰ号隧道岩体破碎带施工中,遭遇坍塌原因的分析,坍塌处理的措施及坍塌预防的研究,提出了针对不同坍塌部位所采取的相应防治措施,为TBM在围岩坍塌地段的施工提供了宝贵经验。

Based on analysis of the reasons for surrounding rock collapsing while TBM working in fracture zone of rock mass in Taohuapuhao Tunnel I and research on prevention and treatment measures for surrounding rock collapsing, this paper proposes the corresponding measures for different collapsing parts, for reference to TBM working in collapsed section of surrounding rock.