浅析车辆荷载对深基坑支护结构的影响.pdfVIP

5 1 V ol . 5 2009 2 Chinese Jo urnal o f U nderg ro und Space and Eng ineering F eb. 2009 * 浅析车辆荷载对深基坑支护结构的影响 1 2 1 1 刘素锦 , 郭明伟 , 李兆源 , 陈东平 , 1. , 528300; 2 , 430071) : 基于目前在基坑支护设计中较少考虑车辆荷载 影响, 采用对车辆荷载较常用 等效均厚土层和集中荷载两种不同 方法来衡量基坑周围车辆荷载对其稳定性 影响, 对于 车辆荷载依据规范仅考虑常用 车辆荷载三种轮组对基坑稳定性 影响, 最后运用这两种方 法对一工程实例进行对比分析, 结果表明: 周围车辆荷载对基坑各支护形式均有不同程度 影 响, 采用均厚土层计算方法明显小于集中荷载法对基坑支护稳定性 影响 : 车辆荷载; 深基坑; 支护结构; 稳定性 : T U473. 2 : A : 2009) Discussion on the Influences of Vehicle Loads on Supporting Structure of Deep Foundation Pit 1 2 1 1 L IU Sujin , GU O M ingw ei , L I Zhaoyuan , CH EN Do ngping ( 1. Sh unde D istr ict S ur v ey Co . L td, Fo S han. Guang dong 52 8300 Ch ina; 2. State K ey L abor atory of R ock S oi M echanics , Wuhan I ns titute of R ock S oi M echanics , CA S , W uhan, H ube i 4 3007 1, China) Abstract: P aying lit tle attent ion t o the influences of vehicle lo ads on deep excav ation suppo rting st ructur e, simplif ying v ehicle loads as equiv alent stat ic load , u sing co ncentrated load and equivalent layer method , the in fluences of vehicle loads on deep excav at ion suppor ting str ucture is consider ed in this paper and only common vehicle loads are consider ed accor ding to the code. F ina lly, an engineering exam ple w it h these tw o metho ds is ana lyzed and ev aluated respect ively. Results indicat e that vehicle lo ads around the deep foundation