火山堆积层浅埋偏压地段隧道进洞施工技术研究  

Study on Construction Technology of Tunnel Entrance in Shallow Buried and Unsymmetrical Pressure Section of Volcanic Accumulation Layer

作　　者：龚翼[1] 杨尚鑫 范军胜 GONG Yi;YANG Shangxin;FAN Junsheng(Sinohydro Bureau 7 Co., LTD, Chengdu, Sichuan, 711730)

机构地区：[1]中国水利水电第七工程局有限公司,四川成都611700

出　　处：《四川水力发电》2021年第6期54-57,共4页Sichuan Hydropower

摘　　要：印尼雅万高铁2号隧道洞口位于浅埋偏压段且穿越第四系更新统火山堆积层,施工现场按照“早进晚出、零仰坡”的原则组织施工。通过采取“锚固桩加固”“洞口超前大管棚支护”“信息化监控量测”等措施实现了顺利进洞。介绍了具体的穿越火山堆积层隧道洞口施工技术的研究过程。The entrance of No.2 tunnel of the Jakarta-Bandung High-speed Railway in Indonesia is located in the shallow-buried and biased section and passes through the pleistocene volcanic deposits of the fourth system.By adopting measures such as"anchor pile reinforcement","advanced large pipe shed support at the entrance of the tunnel",and"information monitoring and measurement"taking the construction organization of"early entry,late exit and zero slop"as the principle,smooth entry into the tunnel is achieved.This paper introduces the study process of construction technology for tunnel entrance passing through volcanic accumulation layer.

关 键 词：火山堆积层 浅埋 偏压 施工技术 隧道 印尼雅万高铁 

分 类 号：U215[交通运输工程—道路与铁道工程] U215.1