Fabricated underground diaphragm wall structure and construction method thereof: Fid-Bau Portal

Fabricated underground diaphragm wall structure and construction method thereof

LING SHIJUN / HE HAOQIANG / ZHENG YING / XU WEN / ZHANG WENFEI / FANG QIANG

The invention discloses a fabricated underground diaphragm wall structure and a construction method thereof.The fabricated underground diaphragm wall structure comprises a plurality of anchoring parts, a set of wall body units are spliced between every two anchoring parts, each wall body unit comprises a retaining wall body, and clamping blocks connected with splicing grooves in a clamped mode are fixedly installed on the two side faces of each retaining wall body; a set of partition plates distributed in a linear array mode are fixedly installed in the retaining wall body, a set of regularly-distributed grouting chambers are arranged in the retaining wall body by taking the set of partition plates as separation, and connecting clamping rings matched with the grouting chambers are fixedly installed at the positions, corresponding to the grouting chambers, of the bottom face of the retaining wall body. According to the assembly type underground diaphragm wall, the anchor arms are arranged in an outward extending type structure, so that the anchoring strength of the anchor barrel by concrete grout is effectively improved by increasing the anchoring area, and the structural stability of the assembly type underground diaphragm wall can be effectively improved in an anchoring mode by improving the anchoring strength of the anchor barrel.

本发明公开了装配式地下连续墙结构及其施工方法，包括若干锚固件，两两锚固件之间均拼接有一组墙体单元，墙体单元包括挡墙本体，挡墙本体的两侧面均固定安装有与拼接槽卡接的卡块，挡墙本体的内部固定安装有一组呈线性阵列分布的隔板，挡墙本体的内部以一组隔板为分隔设置有一组规则分布的灌浆室，挡墙本体的底面且对应每个灌浆室的位置均固定安装有与灌浆室卡通的连接卡环。本发明通过锚臂的外展式结构设置，从而通过提高锚固面积的方式，有效提高锚筒被混凝土浆的锚固强度，通过锚筒锚固强度的提高，从而能够通过锚固方式有效提高装配式地下连续墙的结构稳度。

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