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Anti-crack construction waste recycled concrete wallboard

A technology of recycled concrete and construction waste, which is applied in the direction of construction, building components, and building structures. It can solve the problems of crack resistance and insufficient strength of recycled concrete, unfavorable fluidity of freshly mixed concrete, and increase the amount of cement, so as to achieve crack resistance. increase in performance, realize the installation limit, and reduce the effect of water consumption

Active Publication Date: 2021-09-24
奥王建筑材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the prior art, since most of the surface of recycled aggregates is covered with mortar, the surface is very rough and the specific surface area is large, which is not good for the fluidity of fresh concrete, and will increase the amount of cement. Insufficient in cracking and strength

Method used

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  • Anti-crack construction waste recycled concrete wallboard
  • Anti-crack construction waste recycled concrete wallboard
  • Anti-crack construction waste recycled concrete wallboard

Examples

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Effect test

preparation example Construction

[0046] The preparation method of the concrete layer 1012 comprises the following steps:

[0047] Put the corresponding parts of the regenerated coarse aggregate, the regenerated fine aggregate, the water, the crack-resistant cement and the reinforcing agent into a mixer for mixing and stirring for 10-15 minutes;

[0048] Add corresponding parts of the steel fiber, the mineral powder, the nano silicon dioxide, and the water reducing agent into a mixer for mixing and stirring, and the stirring time is 5-15 minutes.

Embodiment 1

[0050] Such as figure 1 with figure 2 As shown, the present invention provides a crack-resistant construction waste recycled concrete, including a wall panel assembly 1, the wall panel assembly 1 includes a wall panel body 101, and the wall panel body 101 includes a fireproof layer 1011 and a concrete layer 1012, The concrete layer 1012 is made of the following raw materials: 25 parts of recycled coarse aggregate, 35 parts of recycled fine aggregate, 50 parts of crack-resistant cement, 5 parts of steel fiber, 1 part of water reducing agent, and 1 part of reinforcing agent , 5 parts of mineral powder, 5 parts of nano silicon dioxide, 150 parts of water.

[0051] The crack-resistant cement is made of the following raw materials: 40 parts of cement, 10 parts of river sand, 8 parts of mixed fiber, 11 parts of fly ash, and 55 parts of water; wherein, the mixed fiber includes glass fiber and sword Hemp fiber, the ratio of the glass fiber to the sisal fiber is 1:1.5.

[0052] The...

Embodiment 2

[0060] Such as figure 1 with figure 2 As shown, the present invention provides a crack-resistant construction waste recycled concrete, including a wall panel assembly 1, the wall panel assembly 1 includes a wall panel body 101, and the wall panel body 101 includes a fireproof layer 1011 and a concrete layer 1012, The concrete layer 1012 is made of the following raw materials: 24 parts of recycled coarse aggregate, 33 parts of recycled fine aggregate, 56 parts of crack-resistant cement, 7 parts of steel fiber, 1 part of water reducing agent, and 2 parts of reinforcing agent , 7 parts of mineral powder, 6 parts of nano silicon dioxide, 180 parts of water.

[0061] The crack-resistant cement is made of the following raw materials: 55 parts of cement, 13 parts of river sand, 13 parts of mixed fiber, 15 parts of fly ash, and 60 parts of water; wherein, the mixed fiber includes glass fiber and sword Hemp fiber, the ratio of the glass fiber to the sisal fiber is 2:2.5.

[0062] T...

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Abstract

The invention relates to an anti-crack construction waste recycled concrete wallboard which comprises a wallboard assembly. The wallboard assembly comprises a wallboard body, and the wallboard body comprises a fireproof layer and a concrete layer. The concrete layer is prepared from the following raw materials in parts: 22-34 parts of recycled coarse aggregate, 33-43 parts of recycled fine aggregate, 46-72 parts of anti-crack cement, 1-13 parts of steel fibers, 1-3 parts of a water reducing agent, 1-4 parts of a reinforcing agent, 5-9 parts of mineral powder, 5-8 parts of nano silicon dioxide and 120-230 parts of water. The crack resistance of the concrete layer can be greatly improved; the flowability of a concrete mixture is improved, and high economic benefits are achieved; the durability and wear resistance of the concrete surface can be improved; and a wallboard installation limiting function can be achieved, and installation is convenient.

Description

technical field [0001] The invention relates to the technical field of concrete wallboards, in particular to a crack-resistant construction waste recycled concrete wallboard. Background technique [0002] With the continuous advancement of urbanization, most of the old buildings in urban areas are being demolished and rebuilt. During the construction process, a large amount of construction waste is inevitably generated, and valuable construction waste is widely used and can be separated into single The components can be used or mixed; among them, waste construction waste can be used for recycled concrete, and recycled concrete refers to the waste concrete blocks that are crushed, cleaned and graded, mixed with grading in a certain proportion, and partially or completely replaced by sand Natural aggregates such as stones (mainly coarse aggregates), and then cement, water, etc. are added to the new concrete. [0003] In the prior art, since most of the surface of recycled agg...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/02C04B24/38E04C2/288E04C2/30E04C2/34C04B103/30
CPCC04B28/02C04B40/0039E04C2/288E04C2/30E04C2/34C04B2111/343C04B2103/0068C04B2103/302C04B18/16C04B20/0076C04B14/48C04B24/04C04B24/122C04B14/28C04B24/16C04B22/142C04B24/383C04B18/12C04B18/141C04B14/062C04B14/068C04B18/08C04B14/42C04B18/248C04B18/146C04B22/124C04B12/04C04B22/12C04B2103/44
Inventor 蔡晓波
Owner 奥王建筑材料科技有限公司
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