Pile foundation pouring system for building: Fid-Bau Portal

Pile foundation pouring system for building

The invention belongs to the related field of pile foundations, and relates to a pile foundation pouring system for a building. The system comprises a steel casing wall, four detachable bolt holes capable of being connected through bolts and nuts are formed in the inner wall of the steel casing wall, a lifting groove is fixedly formed in each bolt hole, and a lifting sliding plate is arranged in each lifting groove in an up-down sliding manner. A size adapting device is arranged on each lifting sliding plate. The system is detachably mounted on a steel casing, is placed into a drill hole together with the steel casing, and is used for assisting in placing of a reinforcement cage, ensuring that the reinforcement cage and a steel casing are coaxial, protecting the reinforcement cage from floating due to buoyancy in the concrete injection process, and hooping the lower layer of the reinforcement cage by utilizing the floating buoyancy, therefore, the structure of the reinforcement cage is prevented from being damaged by pressure, the working efficiency during pile foundation drilling is improved, the reinforcement cage is protected, and the stability of a pile foundation is improved.

本发明属于桩基相关领域，为一种建筑用桩基浇筑系统,包括钢护筒壁，所述钢护筒壁内壁上设有能够通过螺栓螺母连接的四个可拆卸的螺栓孔，所述每个螺栓孔上固定设有升降槽，所述升降槽内上下滑动设有抬升滑板，所述每个抬升滑板上设有尺寸适应装置。本发明可拆卸式安装在钢护筒上，与钢护筒一起放入钻孔内，用于先辅助钢筋笼的放入，保证钢筋笼与钢护筒同轴，同时在注入混凝土过程中，保护钢筋笼不受浮力上浮，利用上浮的浮力，对钢筋笼下层进行箍紧，避免受到压力而破坏钢筋笼结构，提高桩基钻孔时的工作效率，保护钢筋笼，提高桩基的稳定性。

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