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Alkali slag concrete construction method

A construction method and concrete technology, applied in construction, construction material processing, building construction, etc., can solve problems such as reducing construction efficiency, increasing environmental pollution, and large shrinkage, so as to improve construction efficiency, avoid material waste, and improve Effect of pour quality

Inactive Publication Date: 2020-08-18
重庆建工第四建设有限责任公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The alkali slag concrete used in this construction method, due to its large shrinkage and high viscosity, cannot be poured by centralized mixing truck transportation and pumping at the commercial concrete station at this stage. It can only be easily mixed on site by tower crane or trolley mode of transport
This greatly reduces construction efficiency and increases environmental pollution.

Method used

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  • Alkali slag concrete construction method
  • Alkali slag concrete construction method
  • Alkali slag concrete construction method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0022] like figure 1 Shown, the embodiment of the present invention is as follows:

[0023] 1Construction preparation

[0024] Technical preparations: site layout principles: equipment that generates noise, dust and volatile gases should be kept away from residential areas as much as possible. The mixer should be covered with a soundproof board room and the alkali solution storage tank should be specially designed for automatic batching and circulation heating devices.

[0025] Material preparation

[0026] 1. Prepare the material entry plan according to the design mix ratio and pouring plan, and the materials will enter the site 1d ahead of schedule.

[0027] 2. When the sand and gravel enter the site, check the moisture content of the sand and gravel, propose the construction mix ratio, and calculate the amount of materials per tray. The reference ratio of C40 is as follows:

[0028]

[0029] 3. Trial mix is ​​carried out according to the construction mix ratio and th...

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PUM

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Abstract

The invention discloses an alkali slag concrete construction method, relates to the field of alkali slag concrete. According to the technical schemes of the invention, the alkali slag concrete construction method comprises the following steps of: 1) proportioning; (2) stirring; (3) transportation; (4) pouring; and (5) maintenance. With the method adopted, the defect that an alkali slag concrete mixture is high in viscosity, short in setting time, large in early-stage shrinkage and the like can be eliminated, and alkali slag concrete pouring quality can be can remarkably improved.

Description

technical field [0001] The invention relates to a construction method of alkali slag concrete, and mainly relates to the field of alkali slag concrete. Background technique [0002] Alkali slag, as an environmentally friendly material, is being researched and developed by many countries. It is known as the most promising new cementitious material in the 21st century. However, there are not many such structural projects implemented in China in recent years. There is no construction technology achievement that can be used for reference. At present, only the Commonwealth of Independent States has formulated the technical regulations for the application of this material in the world. The alkali slag concrete used in this construction method, due to its large shrinkage and high viscosity, cannot be poured by centralized mixing truck transportation and pumping at the commercial concrete station at this stage. It can only be easily mixed on site by tower crane or trolley shipping...

Claims

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Application Information

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IPC IPC(8): C04B28/08E04G21/02E04G21/24
CPCC04B28/08E04G21/02E04G21/24C04B14/02C04B14/06C04B22/062C04B2103/0068
Inventor 杜玉荣
Owner 重庆建工第四建设有限责任公司
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