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Precast concrete slab and preparation method thereof

A prefabricated concrete slab and concrete technology, applied in the direction of floor slabs, manufacturing tools, building components, etc., can solve the problems of falling off of joints, sliding, and inconsistency between prefabricated concrete parts and cast-in-place parts, etc. Effect

Active Publication Date: 2009-10-28
VANKE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, during the use of precast concrete parts, it is easy to appear that the combination between the precast concrete parts and the cast-in-place parts is not tight, and it is easy to cause the joint part to fall off and slide.

Method used

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  • Precast concrete slab and preparation method thereof
  • Precast concrete slab and preparation method thereof
  • Precast concrete slab and preparation method thereof

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Embodiment Construction

[0024] Such as figure 1 Shown is the structural representation of the embodiment of the prefabricated concrete slab of the present invention. The prefabricated concrete slab includes a plate-shaped main body 11 composed of steel bars and concrete wrapping the steel bars. The lower surface of the plate-shaped main body 11 is a smooth plane, while its upper surface includes a superimposed structure layer 12 integrated with the plate-shaped main body. and / or punch marks.

[0025] On the above-mentioned superimposed structural layer 12, the comb marks, indentations and / or punch marks account for 30%-80% of the surface area of ​​the entire superimposed structural layer. These comb marks, indentations and / or punch marks can be grooves or pits. The above-mentioned comb marks and indentations can be swept out with a special bamboo broom or a special comb after the initial setting of the concrete surface, or dragged out with the ends of steel bars and wooden sticks, and the punch ma...

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Abstract

The invention relates to a precast concrete slab which comprises a slab-shaped main body consisting of steel bars and concrete covering the steel bars, the upper surface of the slab-shaped main body comprises a lapping structure layer, and the surface of the lapping structure layer is provided with combing marks, pressing marks and / or swash marks with 2-10mm. The invention is also provided with a preparation method of the precast concrete slab. The invention realizes tight combination of the precast concrete slab and a cast-in-place part through the lapping structure layer integrating with the slab-shaped main body, and can effectively prevent a combination part from shedding, sliding and the like.

Description

technical field [0001] The invention relates to the field of construction, more specifically, to a prefabricated concrete slab and a preparation method thereof. Background technique [0002] With the rapid development of urbanization in China, the urban population density is increasing, people's demand for housing is becoming more and more urgent, and the high-rise, large-scale and complexity of buildings are constantly increasing. Traditional buildings are all completed through on-site construction (such as on-site casting of concrete frames, floors, etc.), which not only has risks in building quality due to the technical level of construction personnel, but also has the problem of low construction efficiency. [0003] Construction industrialization production technology refers to the centralized production and processing of various building components (such as columns, beams, floors, etc.) in factories, and on-site transportation, assembly and construction. The adoption o...

Claims

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Application Information

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IPC IPC(8): E04C2/32B28B23/02B28B1/29B28B11/08E04C2/06E04B5/38E04B5/18
Inventor 刘成全
Owner VANKE
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