强风化千枚状板岩隧道塌方原因及处理方案浅析

Analysis on Causes and Treatment Schemes of Collapse of Strongly Weathered Thousand Slate Tunnel

随着高速公路的不断发展和里程的大幅度增长,公路隧道的地位日显重要。隧道作为高等级公路快速发展中不可或缺的地下工程,承担着较大的交通运输任务。隧道施工中,受各种因素影响,围岩坍塌较为常见,严重影响施工安全和质量。本文以都九高速公路官洞隧道坍塌事件为背景,介绍隧道塌方所采取处理方案以及陶粒混凝土在塌方处理中的应用,为类似围岩破碎、地质复杂隧道施工提供借鉴。

With the continuous development of expressways and the significant increase in mileage,the status of highway tunnels has become increasingly important.As an indispensable underground project in the rapid development of high-grade highways,tunnels undertake large transportation tasks.During tunnel construction,affected by various factors,surrounding rock collapse is very common,which seriously affects construction safety and quality.Based on the collapse of the Guandong Tunnel of Dujiu Expressway,this paper introduces the treatment plan adopted by the tunnel landslide and the application of ceramsite concrete in the landslide treatment,which provides reference for the construction of similar rock fragmentation and geological complex tunnel construction.