Stand column reinforcing device used after foundation pit deepening and using method of stand column reinforcing device: Fid-Bau Portal

Stand column reinforcing device used after foundation pit deepening and using method of stand column reinforcing device

ZHANG GUIJUAN

The invention discloses a stand column reinforcing device used after foundation pit deepening and a using method of the stand column reinforcing device. The stand column reinforcing device comprises astand column and a reinforcing stand column; a mounting base is fixedly connected with the side, away from the wall of a foundation pit, of the stand column through expansion bolts; a threaded rod isrotatably connected with the side wall of the side, away from the stand column, of the mounting base through a pin shaft; the threaded rod is in threaded connection with a threaded sleeve, and two first mounting plates are welded to the side wall of the side, away from the mounting base, of the threaded sleeve; and first rotating rods are rotatably connected with the side walls of the sides, close to each other, of the two first mounting plates through bearings. The stand column reinforcing device has the advantages that after the foundation pit is deepened, the original stand column can be supported to a certain extent, the supporting strength of the original stand column is guaranteed, the stand column does not need to be poured again, the construction period is greatly shortened, the engineering cost is reduced, meanwhile, certain supporting strength is provided all the time in the continuous digging process of the foundation pit, foundation pit collapse caused by insufficient supporting of the original stand column is avoided, and potential safety hazards are greatly reduced.

本发明公开了一种基坑加深后的立柱加固装置及使用方法，包括立柱和加固立柱，所述立柱远离基坑壁的一侧通过膨胀螺栓固定连接有安装座，所述安装座远离立柱的一侧的侧壁通过销轴转动连接有螺纹杆，所述螺纹杆螺纹连接有螺纹套筒，所述螺纹套筒远离安装座的一侧的侧壁焊接有两个第一安装板，两个所述第一安装板相近一侧的侧壁均通过轴承转动连接有第一转动杆。优点在于：在对基坑加深后，可以给予原有立柱一定支撑，保证原有立柱的支撑强度，不需要重新浇筑立柱，大大缩短了工期、降低了工程成本，同时在基坑不断挖深的过程中一直提供一定的支撑强度，避免原有立柱支撑不足导致基坑坍塌，大大降低了安全隐患。

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