Bearing changing method of high storey building translocation load
A kind of building and high-rise technology, applied in the direction of building structure, construction, building maintenance, etc., can solve the problems of low safety factor, safety accidents, parts that cannot be replaced as a whole, etc., and achieve the effect of high safety factor
Inactive Publication Date: 2006-01-11
久鼎三利建工集团有限公司
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[0002] During the displacement of high-rise buildings, due to the large load, underpinning is required. At present, most of them adopt the reinforced concrete column-wrapped beam underpinning structure and the technology of sticking steel and outsourcing steel; it is not very suitable for buildings with relatively large loads. Suitable, the underpinning part cannot be integrated, the safety factor is low, and it is easy to cause safety accidents
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[0008] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0009] In the translation project of the comprehensive service building of Wuzhou Personnel Bureau in Guangxi, the present invention is used to underpin the load of buildings. First, drill the column with a hole diameter of 28mm, then clean the residue in the hole, inject chemical glue, implant a 25mm diameter threaded steel bar, bind the steel bar after the glue strength increases, and finally pour concrete and connect it with the upper track beam , completing the underpinning of the load. The underpinning was very successful. Although it was a 20-storey building, there was no crack until the final stage of construction, which shows that its safety is very high.
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The high-rise building displacement loaded underpinning method belongs to the field of special building engineering technology, mainly is aimed at solving the problem of raising its safety coefficient. Said method includes the following steps: firstly, roughening and boring the column, cleaning residuum in the bore, injecting chemical adhesive to make chemical reinforcement, binding rebar, finally concreting so as to make the complete underpinning portion be connected with upper track beam to form a whole body and implement its loaded underpinning construction.
Description
technical field [0001] The invention belongs to the technical field of special construction engineering. Background technique [0002] In the process of displacement of high-rise buildings, underpinning is required due to the large load. At present, most of them adopt the reinforced concrete column-wrapped beam underpinning structure and the technology of sticking steel and outsourcing steel; it is not very suitable for buildings with relatively large loads. Suitable, the underpinning part cannot be integrated, the safety factor is low, and it is easy to cause safety accidents. Contents of the invention [0003] The purpose of the present invention is to provide a method for underpinning the underpinning part as a whole and enhancing its safety factor for high-rise building displacement load underpinning. [0004] The technical solution of the present invention is to chisel and drill holes on the column 1 first. The diameter of the holes is 18mm-28mm. After clearing the h...
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IPC IPC(8): E04G23/06
Inventor 卢明全
Owner 久鼎三利建工集团有限公司