Positioning device for pile foundation reinforcement cage and steel pipe column of deep foundation pit and construction method of positioning device: Fid-Bau Portal

Positioning device for pile foundation reinforcement cage and steel pipe column of deep foundation pit and construction method of positioning device

GUO HUI / ZHANG HONGCHUAN / LI HOUBO / SHEN YAO / ZHENG SHIYING / XU JIANYE / ZHOU MIN

Abstract

According to the positioning device for the pile foundation reinforcement cage and the steel pipe column of the deep foundation pit and the construction method of the positioning device, a positioning unit of the positioning device is composed of a plurality of unit sections, installation and storage are convenient, and positioning installation of the pile foundation reinforcement cages and steel stand columns of various diameters is met. According to the positioning device for the pile foundation reinforcement cage and the steel pipe column of the deep foundation pit, segmented installation is carried out, when the foundation pit is deep and the pile foundation and the empty pile are long, segmented installation is carried out, the perpendicularity of the reinforcement cage and the steel pipe column at different lowering depths can be guaranteed, the pile foundation construction quality is effectively guaranteed, and the positioning device is simple in structure, convenient to use and easy to install. The problems that when a pile foundation reinforcement cage or a steel pipe column of an existing deep foundation pit is put into a pile hole, positioning is tedious, and perpendicularity is difficult to adjust and control are solved.

本发明公开了一种深基坑的桩基钢筋笼及钢管柱的定位装置及其施工方法，其定位单元有多个单元节构成，安装、存放方便，且满足各类直径桩基钢筋笼及钢立柱的定位安装。本发明的深基坑的桩基钢筋笼及钢管柱的定位装置分段安装，在对基坑较深、桩基、空桩较长时进行加节安装，可保证钢筋笼及钢管柱在不同下放深度的垂直度，有效的保证了桩基施工质量，其结构简单，使用方便，安装简单。本发明解决了现有的深基坑的桩基钢筋笼或钢管柱下放桩孔中，定位繁琐且垂直度调控难的问题。

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