一种钢板桩管桩组合基坑支护结构及其支护方法技术

一种钢板桩管桩组合基坑支护结构及其支护方法，涉及一种钢板桩和预应力管桩组合基坑支护结构及其施工方法，属于岩土工程的技术领域。本发明专利技术包括与地表平行的墙后地表、基坑底，墙后地表基坑底之间纵向平行布置前排钢板桩、后排预应力管桩，前排钢板桩的上端布置前排桩圈梁，后排预应力管桩的上端布置后排桩圈梁，前排桩圈梁、后排桩圈梁之间设置前后排桩联系梁。本发明专利技术实现了结构简单，施工过程简便快捷，适用于软土和各种土质条件，节约成本的目的。

Steel sheet pile pipe pile composite foundation pit supporting structure and supporting method thereof

The utility model relates to a steel sheet pile pipe pile composite foundation pit supporting structure and a support method thereof, relating to a steel sheet pile and a prestressed pipe pile combined foundation pit supporting structure and a construction method thereof, belonging to the technical field of geotechnical engineering. The invention comprises a surface, and the surface parallel to the wall of pit, the wall between the surface of foundation pit bottom longitudinal parallel arrangement of steel sheet pile, front rear upper front row pile layout of prestressed pipe pile, steel sheet pile top beam front, rear beam layout of back pile prestressed pipe pile, pile beam between the front and the rear pile beam before and after pile connection beam. The invention has the advantages of simple structure, simple and quick construction process, and is suitable for soft soil and various soil conditions and saves cost.

【技术实现步骤摘要】

【技术保护点】
１．一种钢板桩和管桩组合基坑支护结构，其特征在于：作为支护结构和止水帷幕的前排钢板桩（１），钢板桩（１）和后排预应力管桩（２）通过前排桩顶圈梁（３）、后排桩顶圈梁（４）和前后排侧桩顶联系梁（５）组成空间桁架结构。

【技术特征摘要】

【专利技术属性】
技术研发人员：李仁民，方磊，龚文宗，李青苗，
申请(专利权)人：东南大学，
类型：发明
国别省市：84