环形板撑在超大型深层软土基坑中的应用  

The Application of Annular Plate Support in Super Large Deep Soft Soil Foundation Pit

作　　者：旷南树 KUANG Nan-shu(Guangzhou Municipal Engineering Design ＆ Research Institute, Guanghzou 510000,China)

机构地区：[1]广州市市政工程设计研究总院,广州510000

出　　处：《工程建设与设计》2018年第10期78-80,共3页Construction & Design for Engineering

摘　　要：以滇池周边地下污水处理厂超大型深层软土基坑为设计实例,比选分析了各种支护体系的优缺点及适用性,采用支护桩加环形板撑作为支护体系,分析了环形板撑对支护桩的支撑刚度及承载能力计算方法,对板撑施工关键技术提出了控制要求。Taking the super-large deep soft soil foundation pit of the underground sewage treatment plant around Dianchi lake as an example,this paper compares and analyzes the advantages, disadvantages and applicability of various supporting systems, adopts supporting piles and annular plate support as supporting systems, analyzes the calculation methods of supporting rigidity and bearing capacity of annular plate support to supporting piles, and puts forward the control requirements for the key technologies of plate support construction.

关 键 词：环形板撑 深基坑 软土 

分 类 号：TU473.2[建筑科学—结构工程]