Construction method of reinforced concrete wall

A technology of reinforced concrete and construction method, applied in the direction of walls, building components, buildings, etc., can solve the problems of difficulty in meeting the strength requirements of reinforced concrete, weak compressive strength and crack resistance, and achieve improved compactness, compressive strength and The effect of strong crack resistance, enhanced compressive strength and crack resistance

Active Publication Date: 2020-04-10
广东高翔建设有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Because reinforced concrete walls generally need to bear a large load, reinforced concrete walls generally need to have higher strength. However, the existing reinforced concrete has weak compressive strength and crack resistance, which is difficult to meet the requirements of reinforced concrete. The strength requirements of the wall for reinforced concrete, therefore, there is still room for improvement

Method used

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  • Construction method of reinforced concrete wall
  • Construction method of reinforced concrete wall
  • Construction method of reinforced concrete wall

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0064] A construction method for a reinforced concrete wall, comprising the steps of:

[0065] S1. Measurement and setting-out, details are as follows:

[0066] Measure the size of the site and the length and width of the wall according to the design drawings, and mark the installation position of the wall.

[0067] S2. Build the pouring formwork, as follows:

[0068] Build the pouring formwork for the wall according to the position marked by S1.

[0069] S3. Pre-embedded steel bars, details are as follows:

[0070] According to the design drawings, the steel bars are pre-embedded, bound and fixed in the pouring formwork.

[0071] S4, prepare concrete, specifically as follows:

[0072] In a 150L stirring tank, stir at a speed of 220r / min under normal temperature conditions, and add 20kg of Portland cement, 12kg of water, 77.5kg of sand, 10kg of fly ash, 7kg of mineral powder, and 1kg of silane coupling agent while stirring. , 3 kg of fatty alcohol polyoxyethylene ether, 1...

Embodiment 2

[0080] The difference with Example 1 is: add Portland cement 22.5kg, water 11kg, sand 80kg, fly ash 12.5kg, mineral powder 5kg, silane coupling agent 0.5kg, fatty alcohol polyoxyethylene ether 2kg, 0.5 kg of o-nitrododecyl ether, 0.02 kg of 6-phenyl-3-pyridazinone.

Embodiment 3

[0082] The difference from Example 1 is that in step S4, 25kg of Portland cement, 10kg of water, 75kg of sand, 15kg of fly ash, 6kg of mineral powder, 0.75kg of silane coupling agent, 1kg of fatty alcohol polyoxyethylene ether, and 0.75 kg of dodecyl ether, 0.01 kg of 6-phenyl-3-pyridazinone.

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Abstract

The invention relates to the field of building construction, and provides a construction method of a reinforced concrete wall aiming at the problem that existing concrete is difficult to meet the strength requirement of a reinforced concrete wall body. The method comprises the following step of S1, measurement and line laying; S2, building a pouring formwork; S3, pre-embedding reinforcing steel bars; S4, preparing concrete; S5, pouring concrete; and S6, disassembling the pouring formwork. The concrete comprises the following components in parts by mass of 20-25 parts of Portland cement, 10-12parts of water, 75-80 parts of sand, 10-15 parts of fly ash, 5-7 parts of mineral powder, 0.5-1 part of a silane coupling agent, 1-3 parts of fatty alcohol polyoxyethylene ether, 0.5-1 part of O-nitrododecane ether and 0.01-0.02 part of 6-phenyl-3-pyridazinone. Through mutual cooperation of fatty alcohol polyoxyethylene ether, O-nitrododecane ether and 6-phenyl-3-pyridazinone, the compressive strength and the anti-cracking strength of the reinforced concrete are improved, the reinforced concrete wall is less prone to cracking when subjected to load, and the concrete is easier to meet the strength requirement of the wall body.

Description

technical field [0001] The invention relates to the field of building construction, more specifically, it relates to a construction method of a reinforced concrete wall. Background technique [0002] Reinforced concrete walls refer to pieces of reinforced concrete walls set in the building structure for the main purpose of bearing horizontal loads. [0003] Because reinforced concrete walls generally need to bear a large load, reinforced concrete walls generally need to have higher strength. However, the existing reinforced concrete has weak compressive strength and crack resistance, which is difficult to meet the requirements of reinforced concrete. The strength requirements of the wall for reinforced concrete, therefore, there is still room for improvement. Contents of the invention [0004] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a construction method for reinforced concrete walls, which has the advantage of enha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B2/00E04B2/84C04B28/04
CPCC04B28/04C04B2201/52E04B2/00E04B2/84C04B14/06C04B18/08C04B18/12C04B24/42C04B24/32C04B24/129
Inventor 洪志翔陈光潮洪志杰吴卫琪洪江鸿谢少芬
Owner 广东高翔建设有限公司
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