Temporary retaining wall horizontal supporting device for foundation pit supporting: Fid-Bau Portal

Temporary retaining wall horizontal supporting device for foundation pit supporting

MA QI / WEI YANAN / LIU SHUXIN

The invention relates to the technical field of retaining wall supporting, in particular to a temporary retaining wall horizontal supporting device for foundation pit supporting, which comprises a soil layer, a foundation pit is arranged on the soil layer, a cofferdam is mounted in the foundation pit, a plurality of tripods are fixedly connected to the inner side wall of the cofferdam, and purlin assemblies are fixedly connected to the upper ends of the tripods. The enclosing purlin assembly is provided with a joint assembly and an abutting assembly, the abutting assembly is provided with a curtain assembly, the enclosing purlin assembly comprises first I-shaped steel and second I-shaped steel, the two ends of the first I-shaped steel are inserted into the corresponding second I-shaped steel, and positioning pins are inserted into the joints of the first I-shaped steel and the second I-shaped steel; the enclosing purlin assemblies can be erected in the foundation pit through simple assembly, installation of the enclosing purlin assemblies is facilitated, the installation time of the enclosing purlin assemblies is greatly saved, and the structural strength among the enclosing purlin assemblies is enhanced by arranging the combined assemblies on the enclosing purlin assemblies.

本发明涉及挡土墙支撑技术领域，特别涉及一种基坑支护用临时挡土墙水平支撑装置，包括土层，土层上开设有基坑，基坑内部安装有围堰，且围堰内侧壁上固定连接有若干个三角架，三角架上端固定连接有围檩组件，围檩组件上设置有联合组件、抵靠组件，且抵靠组件上设置有帷幕组件，围檩组件包括第一工字钢、第二工字钢，第一工字钢两端分别插接在对应的第二工字钢内部，第一工字钢与第二工字钢交接处插接有定位销，通过简单的组装便可以在基坑内架设围檩组件，方便围檩组件的安装，大量的节省围檩组件的安装时间，且通过在围檩组件上设置联合组件，增强多组围檩组件之间的结构强度。

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