摘要
地下交通隧洞在开挖过程中大多会遇到不同程度地塌方,实践充分表明塌方处理贵在快速和安全,部分塌方处理对工程建设影响很大,导致现场安全隐患突出,施工工期延长和成本增加,因此针对不同塌方采取切实可行的措施是塌方处理的关键。塌方处理采用混凝土回填在拱部形成新的承载圈是一种比较安全、稳妥的措施。
Most underground traffic tunnels will collapse in different degrees during excavation.Practice fully shows that landslide treatment is expensive in speed and safety.Partial collapse treatment has a great influence on the project construction,resulting in outstanding potential safety hazards on site,prolonged construction period and increased cost.Therefore,practical measures for different landslides are the key to landslide treatment.It is a safe and stable measure to form a new bearing ring in the arch by backfilling concrete in the treatment of collapse.
作者
徐凤奎
马军林
XU Feng-kui;MA Jun-lin(Power China Guiyang Engineering Corporation Limited,Guiyang 550081,China)
出处
《云南水力发电》
2022年第1期168-170,共3页
Yunnan Water Power
关键词
隧洞塌方
回填混凝土
施工要点
注意事项
tunnel collapse
backfill concrete
key points of construction
attention point