A construction method for monolithically pouring rigid sloping roofs
A construction method and integral pouring technology, which is applied in the processing of building materials, construction, building construction, etc., can solve the problems of damaged concrete areas and increased difficulty in forming, so as to improve the strength of concrete and solve the effects of narrow sites
Active Publication Date: 2016-03-30
CHINA MCC20 GRP CORP
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Problems solved by technology
However, due to the large slope of the designed sloping roof (it can be close to 60 degrees), the concrete itself is in a liquid state during the pouring process and has a certain flow plasticity, and the reinforced mesh of the sloping roof design is subjected to vibration loads during the pouring process, and it will be distributed along the steel bars. , so as to destroy the adjacent concrete area that is about to be initially set, making it more difficult to form a one-time pouring
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[0017] See Figure 1-Figure 3 Summary of the invention: the present invention is achieved in that a kind of construction method of monolithic pouring rigid sloping roof, it comprises the following steps:
[0018] Step 1, pre-dividing the pre-cast zone area 1 on the sloping roof;
[0019] Step 2: After the steel bars for the design of the slanted roof are bound, reinforce the steel bars according to the division of the first pouring area 1, and use the double-layer steel wire mesh B to seal the mold to form the first pouring area A, and use the first pouring belt to divide the concrete pouring area 2, with a large slope A steel wire mesh barrier C is set up in the area, and the surface is covered with a single layer of steel wire mesh;
[0020] Step 3, pouring concrete from one side of the roof to the other side or both sides to the middle,
[0021] a. Use micro-expansion concrete to pour the first-cast concrete, and pay attention to strengthening maintenance and first vibrat...
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The invention relates to roof casting construction. A construction method for integrally casting a rigid sloping roof is characterized by comprising the following steps of presetting and dividing a first casting belt region on the sloping roof; carrying out reinforcing bar reinforcement according to the divided first casting belt region after the binding of reinforcing bars designed on the sloping roof is completed, forming a first casting belt by adopting a double-layer steel wire mesh sealing model, dividing a concrete casting region by the first casting belt, arranging a steel wire mesh block in a larger-slope region, and covering the surface of the larger-slope region by adopting a single-layer steel wire mesh; casting concrete from one side of a rooftop to the other side of the rooftop or from two sides to the middle part, a, casting first casting belt concrete by adopting micro-expansive concrete, and paying attention to maintenance reinforcing and first vibrating, wherein the concrete surface is obviously sunk by pressing the concrete surface with one hand, the maintenance time is not less than 1 hour, and primary condensation is achieved; b, casting roofing concrete in concrete casting regions at two sides of the first casting belt which is cast, wherein the casting time is less than 1 hour, and a next first casting belt can be cast at the same time; circulating a and b until roofing concrete casting is finished. The construction method disclosed by the invention is beneficial for increasing concrete strength, and slope concrete is in one-step forming.
Description
technical field [0001] The invention relates to roof pouring construction, in particular to a rigid inclined roof pouring construction method. Background technique [0002] With the increasing development of the housing construction market, more and more architectural design concepts are pursuing the aesthetic appearance of the structure and the coordination function between the design work and the surrounding environment; Paste colored tiles to improve the utilization rate of structural space, and at the same time facilitate structural drainage, and overlooking the overall building complex can play a role of icing on the cake. However, since the sloping roof is close to the principle of arch-shaped force, the load transfer and easy to generate outward horizontal thrust, thereby destroying the frame members, so the design of the sloping roof has high requirements for its integrity and rigidity. To undertake the function of transmitting vertical loads and its stiffness must ...
Claims
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IPC IPC(8): E04G21/02
Inventor 侯宪伟曾学周魏宏超
Owner CHINA MCC20 GRP CORP