摘要
针对沪昆客专CKGZTJ-6标段隧道洞口实际地质情况,从边仰坡"零扰动"开挖、进洞方案的确定、超前支护、洞身开挖与支护等方面介绍了隧道进洞施工技术,总结了高铁双线隧道零刷坡安全进洞的施工经验,为同类施工提供借鉴。
According to the actual geological condition of the tun- nel portal of CKGZTJ-6 contract section of Hu-Kun passenger dedicated line, the paper introduced the construction technology for tunnel entrance from aspects of non-disturbance upward slope excavation, confirming the plan of tunnel entrance, advance sup- port, tunnel excavation and support etc., and summarized the ex perience for entering portal safely without slope cutting in high speed railway double-track tunnel construction, and provide a reference for the similar construction.
出处
《西部探矿工程》
CAS
2013年第9期173-175,共3页
West-China Exploration Engineering
关键词
浅埋偏压
双线隧道
施工技术
shallow buried biasing
double-track tunnel
construction technology
