预应力张弦梁钢支撑在深基坑中的应用研究  

Research on the application of prestressed tension-string beam steel support in deep foundation pit

作　　者：王强 胡晓莲 WANG Qiang;HU Xiaolian(Jiangxi construction first construction Co.LTD,Nanchang 330000)

机构地区：[1]江西建工第一建筑有限责任公司,江西南昌330000

出　　处：《福建建筑》2021年第9期117-121,共5页Fujian Architecture & Construction

摘　　要：结合某工程实例分析了预应力张弦梁钢支撑体系的施工参数、施工流程及监测要点,研究预应力张弦梁钢支撑系统在深基坑支护中的应用效果,并和传统钢支撑系统进行对比,表明张弦梁钢支撑系统在施工空间、工期和造价上的明显优势。最后结合基坑监测数据,表明基坑沉降与变形控制在安全范围内。Combined with a project example analysis of the pre-stress string joist steel support system construction parameter,construction process and monitoring points,the prestressed joist steel support a string system application effect in deep foundation pit supporting,and were compared with the traditional steel support system,show that piece of string joist steel support system on the construction of space and time limit for a project and cost of obvious advantages.Finally,combined with the monitoring data of foundation pit,it is shown that the settlement and deformation of foundation pit are controlled within the safe range.

关 键 词：张弦梁 钢支撑 施工空间 工期 造价 

分 类 号：TU4[建筑科学—土工工程]