A kind of building composite board
A composite panel and construction technology, which is applied in the direction of construction, building materials, building components, etc., can solve the problems of self-weight, floor self-weight, and the skeleton cannot bear the gravity of the floor, etc., and achieve the effect of reducing specific gravity and light weight
Inactive Publication Date: 2011-11-30
CHINA ACAD OF BUILDING RES +2
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Problems solved by technology
When the floor slab in the prior art is used in conjunction with a light steel structure building with light steel as the skeleton, the skeleton of the light steel structure building is difficult to bear the gravity of the floor slab due to the heavy weight of the floor slab used; If it is large enough to meet the requirements, it is necessary to increase the strength of the skeleton, thereby increasing the cost of the light steel structure building.
For the wall panels formed of reinforced concrete in the prior art, there are also the shortcomings of heavy self-weight, which makes it difficult to meet the technical requirements of light-weight steel structure buildings
Method used
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[0021] Glossary:
[0022] Heavy aggregate: bulk density greater than 2080kg / m 3 , the density is 3000~4000kg / m 3 Between aggregates, such as ore, barite, etc.
[0023] Lightweight aggregate: the bulk density is less than 1120kg / m 3 , the density is ~1000kg / m 3 The aggregates in between, such as ceramsite, calcined rock, expanded perlite, foam plastic particles and pumice, etc.
[0024] Pumice: also known as pumice or pumice, is a porous, light glassy acidic volcanic extrusive rock. It has the characteristics of light weight, high strength, acid and alkali resistance, corrosion resistance, no pollution, no radioactivity, etc. It is a natural, green and environmentally friendly building material, and pumice is widely distributed in our country, so it is an ideal building material.
[0025] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the ...
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Abstract
The present invention relates to the field of construction, and more particularly to a construction composite panel comprising steel mesh and a concrete layer with lightweight aggregate and surrounding said steel mesh. Experiments have proved that: compared with traditional reinforced concrete, the specific gravity of the building composite board provided by the invention can be reduced by half; meanwhile, the compressive strength of the cube can reach C25 or more, which can meet the technical requirements of light steel structure buildings. In a preferred solution, fiber cloth integrated with the concrete layer is laid on both surfaces of the building composite board. Due to the arrangement of the fiber cloth, the shrinkage of the concrete layer during the solidification process is effectively limited, thereby reducing the phenomenon of cracking of the building composite board and improving the qualified rate of the building composite board.
Description
technical field [0001] The invention relates to the field of construction, and more specifically relates to a construction composite board. Background technique [0002] With the continuous and rapid development of the construction industry, construction materials are constantly updated and transformed. Among them, reinforced concrete is an important building material. [0003] In early buildings, prefabricated slabs formed of reinforced concrete were usually used as floor slabs. Prefabricated slabs were generally processed in factories and then directly transported to the construction site for installation, thus shortening the construction period. At present, in order to enhance the integrity and earthquake resistance of the house, reinforced concrete slabs poured on site are generally used as the floor slab, that is, the formwork is directly erected at the position where the floor slab is set on the construction site, and steel bars are installed in the space surrounded b...
Claims
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IPC IPC(8): E04C2/06E04C5/04
Inventor 王明贵张大力
Owner CHINA ACAD OF BUILDING RES