不良地层对武汉地区某深基坑工程的影响及处理措施  

Effect and Treatment Measures of Adverse Geological Condition on Some Deep Foundation Excavation in Wuhan

作　　者：胡斌[1] 杨盛双[1] 

机构地区：[1]中铁隧道集团有限公司,河南洛阳471009

出　　处：《施工技术》2013年第3期87-90,共4页Construction Technology

基　　金：中铁隧道集团有限公司科研项目:武汉长江隧道工程盾构法施工技术研究

摘　　要：以武汉某过江隧道深基坑工程为例,结合工程实际水文地质条件,对工程中遇到的粉土夹层等不良地层的性质、分布情况、对工程造成的危害进行了分析,通过采取双液注浆、增加集水井以及加强基坑支撑等方式,确保基坑施工安全,并针对此类不良地层的影响从源头上提出预防措施和处理建议。Using the deep foundation excavation for a tunnel project in Wuhan as an example,combined with actual hydrogeological conditions,this paper analyzed the properties and distributions of adverse geological conditions such as silt interlayer,and the hazards caused by them.Corresponding treatment measures were also proposed.It is suggested to use double liquid grouting method,increased collector wells and strengthened excavation supports to ensure the safety of foundation excavation.The preventive measures and treatments were also proposed for this kind of adverse geological conditions.

关 键 词：地下工程 基坑 隧道 工程地质 处理措施 

分 类 号：TU753[建筑科学—建筑技术科学]