Novel underground pipeline isolation steel sheet pile and construction method: Fid-Bau Portal

Novel underground pipeline isolation steel sheet pile and construction method

ZHU YAWEN / LI WEIFENG / YANG LIN

The device comprises a steel sheet pile reinforced foundation, the periphery of the steel sheet pile reinforced foundation is wrapped with concrete, the upper portion of the steel sheet pile reinforced foundation is divided into the inner side and the outer side, and the inner side U-shaped steel sheet pile anti-extrusion device and the outer side U-shaped steel sheet pile anti-extrusion device are arranged on the inner side and the outer side respectively; the inner side U-shaped steel sheet pile anti-extrusion device and the outer side U-shaped steel sheet pile anti-extrusion device are connected through a U-shaped steel sheet pile bent connecting device, the U-shaped steel sheet pile bent connecting device is connected with the inner side U-shaped steel sheet piles and the outer side U-shaped steel sheet piles, and steel sheet beams are connected between the inner side U-shaped steel sheet piles through a building system. A stable maintenance system can be established through the steel sheet pile reinforcement foundation, and the design of the inner and outer U-shaped steel sheet piles, the inner U-shaped steel sheet pile anti-extrusion device and the outer U-shaped steel sheet pile anti-extrusion device increase the maintenance efficiency of the steel sheet piles, reduce the previous tedious maintenance steps and also reduce the construction difficulty of the underground pipeline isolation steel sheet piles.

本发明公开了包括钢板桩加固地基，所述钢板桩加固地基四周利用混凝土包裹，所述钢板桩加固地基上方分内外两侧：分别包括内侧U型钢板桩防挤压装置和外侧U型钢板桩防挤压装置，所述内侧U型钢板桩防挤压装置和所述外侧U型钢板桩防挤压装置用U型钢板桩弯型连接装置连接，所述U型钢板桩弯型连接装置连接内侧U型钢板桩和外侧U型钢板桩，所述内侧U型钢板桩之间通过建筑体系构建连接着钢板梁。本发明可以通过钢板桩加固地基建立稳定的维护体系，内外U型钢板桩的设计和内侧U型钢板桩防挤压装置，外侧U型钢板桩防挤压装置，增加了钢板桩维护的高效率，减少了以往繁琐的维护步骤，也降低了对地下管线隔离钢板桩建设的难度。

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