A method for supporting formwork in deep pit of basement floor
A basement floor and deep pit technology, which is applied to underwater structures, wine cellars, buildings, etc., can solve the problems of formwork floating, etc., and achieve the effect of reducing rework, reducing costs, and solving the effect of formwork floating
Active Publication Date: 2020-11-06
SHANGHAI SENXIN CONSTR ENG
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Problems solved by technology
[0003] The technical problem to be solved by the present invention is to provide a method for supporting formwork in deep pits on the basement floor, so as to solve the problem that the formwork floats up when pouring concrete in deep pits such as sumps and elevator shafts on the basement floor
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[0025] The present invention will be further described below in conjunction with specific embodiments. It should be understood that these embodiments are only used to illustrate the present invention and not to limit the scope of the present invention. In addition, it should be understood that after reading the teachings of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims of the present application.
[0026] Such as Figure 1 to 3 As shown, a method for supporting a deep pit in a basement floor is as follows:
[0027] a. After the basement floor deep pit cushion, brick membrane, waterproof and protective layer are completed, first tie up the deep pit bottom reinforcement;
[0028] b. The position line of the inner wall of the deep pit pops up. Along the position line, use ￠12 vertical reinforcement 3, 3# steel mesh 7 to bind the ver...
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The invention relates to a method for erecting a framework in a pit in a basement foundation slab. The method for erecting the framework in the pit in the basement foundation slab includes following steps: binding bottom layer reinforcing steel bars of the pit; binding vertical steel wire mesh sheets along a position line on the inner wall of the pit; stuffing cracks with fine aggregate concrete in the lower portions of the steel wire mesh sheets; binding upper layer reinforcing steel bars of the pit; welding angle irons on the upper layer reinforcing steel bars and the inner walls of the steel wire mesh sheets along the position line on the inner wall of the pit; erecting the framework in the pit; pouring concrete on a part, surrounded by the steel wire mesh sheets, of the foundation slabin the pit; pouring concrete onto the side walls on the periphery of the pit; after completing pouring, smoothing and maintaining the framework. The method for erecting the framework in the pit in the basement foundation slab adopts physics buoyancy principle analysis, arranges the steel wire mesh sheets on the reasonable position, cuts off transmission of pressure among the concrete, reduces bottom buoyancy of templates to approach zero, fundamentally solves the floating problem of the templates when the concrete is poured in the pit in the basement foundation slab, reduces reworking rate, and reduces cost.
Description
Technical field [0001] The invention belongs to the technical field of structural template construction, and particularly relates to a method for supporting a deep pit of a basement floor. Background technique [0002] Generally, there are deep pits such as sump, elevator shaft, etc. on the basement floor. There are many methods for supporting the deep pit of the basement floor. In order to prevent the formwork from floating when concrete is poured, the upper stacking method is generally adopted. However, this method needs to pay attention to the balance of the stacking load, and there are many precautions when concrete pouring. A slight deviation will cause the deep pit template to float, which will lead to rework, not only wastes materials, increases labor costs, and affects after rework and repair Overall look and feel. Therefore, the method of supporting the formwork in the deep pit of the basement floor is particularly important. Summary of the invention [0003] The techni...
Claims
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IPC IPC(8): E02D29/045E04B1/00
CPCE02D29/045E04B1/0007
Inventor 丁冬冬
Owner SHANGHAI SENXIN CONSTR ENG