Column retrofitting of Dahe scientific research office building

The material supplier is Shanghai Horse Constructin. The original building structure is a frame structure with two floors on the ground. Reinforcement is completed according to the construction plan of the big hall research hall and the banquet hall column.

Project overview

The project is Dahe scientific research office building. For the construction of the hall and the banquet hall part of the column strengthened. The construction unit is Shanxi Dahe New Agricultural Technology Co., Ltd., the design unit is Shanxi Zhongjin Architectural Design Institute, the supervision unit is Shanxi Longteng construction supervision company, and the construction unit is the second construction engineering company of Shanxi province. The material supplier is Shanghai Horse Constructin. The original building structure is a frame structure with two floors on the ground. Reinforcement is completed according to the construction plan of the big hall research hall and the banquet hall column.


Main contents of column retrofitting

This project mainly include: Wo Research Office (West) 2-F/37, 39 axis intersection of 2 columns, 2-D/34, 35, 37, 39 axis intersection of 4 columns, 2-A/37, 39 axis at the intersection of 2 columns, 32/2-U, 2-S, 2-Q, 2-H, 2-L, 2-J axis at the intersection of 6 column, 2-J/33, 34, 37, 38, 39 axis intersection of 5 columns, 2-U/33, 35, 37, 39, 40 axis intersection of 5 columns, a total of 24.


Reinforcement scheme

The cross section of the original 500*500 concrete column is expanded to a square section of 800*800. On the top of the original column and the bottom of the roof, the planting reinforcement is 8. 20, and the longitudinal reinforcement is connected by banding and lapping. The stirrup is 8@150, and the hoop is encrypt within the length of the upper and lower lap. The diameter is 8@100. See the following details in detail


Column retrofitting



The construction technology is as follows

Excavation, chisel, line setting, concrete interface agent, rebar planting, reinforcing bar skeleton binding, supporting formwork and building high strength non shrinkage grouting material


Structural strengthening materials

HM-500 injection adhesive anchoring

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