Steel casing mounting tool for cast-in-situ bored pile encountering air-raid shelter and steel casing placing process: Fid-Bau Portal

Steel casing mounting tool for cast-in-situ bored pile encountering air-raid shelter and steel casing placing process

HU SHANG / HE ZHUANGZHUANG / BI QIUYUN

The invention discloses a steel casing mounting tool for a cast-in-situ bored pile encountering an air-raid shelter and a steel casing placing process, and relates to the technical field of constructional engineering. The steel casing mounting tool for the cast-in-situ bored pile encountering the air-raid shelter and the steel casing placing process comprise the steel casing mounting tool for the cast-in-situ bored pile encountering the air-raid shelter. The steel casing mounting tool for the cast-in-situ bored pile encountering the air-raid shelter comprises a steel casing, a cutting bayonet at the upper end of the steel casing, a circular steel plate with convex teeth, a flange plate 1, steel plate convex teeth, a phi 80 steel pipe, an M16 bolt, a stiffening rib welded below the circular steel plate and a flange plate 2. According to the steel casing mounting tool for the cast-in-situ bored pile encountering the air-raid shelter and the steel casing placing process, when a cast-in-situ bored pile encounters the air-raid shelter during construction, the construction problem is simply, conveniently and quickly handled. The steel casing mounting tool has the advantages of the simple structure, low use cost and convenience in operation; and the process has the advantages of simplicity and high practicability and has good popularization significance.

本发明公开了一种钻孔灌注桩遇防空洞钢护筒安装工具及钢护筒安放工艺，涉及建筑工程技术领域。该钻孔灌注桩遇防空洞钢护筒安装工具及钢护筒安放工艺，包括钻孔灌注桩遇防空洞钢护筒安装工具，所述钻孔灌注桩遇防空洞钢护筒安装工具包括钢护筒、护筒上端切割卡口、带凸齿的圆形钢板、法兰盘1、钢板凸齿、φ80钢管、M16螺栓、焊接在圆形钢板下的加劲肋和法兰盘2。该钻孔灌注桩遇防空洞钢护筒安装工具及钢护筒安放工艺，使得灌注桩施工遇到防空洞时，处理施工问题简单，方便快捷。本发明发明的工具结构简单，使用成本低，方便操作；工艺简单且实用性强，具有良好的推广意义。

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