富水砂卵石地层盾构施工渣土改良研究  

Study on Ground Conditioning for EPB Shield in Water-rich Cobble Ground

作　　者：马连丛[1] 

机构地区：[1]中铁二局股份有限公司,成都610031

出　　处：《隧道建设》2010年第4期411-415,共5页Tunnel Construction

摘　　要：针对成都地铁富水砂卵石地层中盾构施工渣土改良进行了室内试验研究,初步得出适合于该地层渣土改良剂的种类和配比,并通过现场应用确定砂卵石地层盾构施工渣土改良的合理配比,为其他类似地层盾构施工渣土改良提供一种参考。Indoor experimental study is made on the ground conditioning for EPB shield in water-rich cobble ground in Chengdu and ground conditioning agents and their mixing proportions suitable for such ground are obtained temporarily.The agents and their mixing proportions are trialed in the job site and final appropriate mixing proportions are determined.The study results can be served as reference for the ground conditioning of EPB shields in other similar grounds.

关 键 词：地铁工程 富水砂卵石 土压平衡盾构 渣土改良 泡沫 

分 类 号：U455[建筑科学—桥梁与隧道工程]