Self compact concrete and environmentally friendly slope protection member production technology

A self-compacting concrete and concrete technology, applied in the field of building materials, can solve the problems of not meeting the production requirements of environmentally friendly slope protection, narrow feed inlet, and large mold damage, so as to improve mold utilization, reduce mold damage, and reduce product broken effect

Inactive Publication Date: 2015-06-10
湖北正茂新材料科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the complex structure of the mold, narrow feed inlet and deep vertical height, it is difficult to meet the above requirements for products produced with ordinary concrete
At the same time, the mold is expensive, and the attached vibrator used in the existing production process will cause gre

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0017] Example 1:

[0018] To prepare 1m 3 Taking self-compacting concrete as an example, its various raw material components are: cement 325kg, fly ash 175kg, river sand 935kg, stone 770kg, water reducing agent 5.5kg, and water 185kg. Among them: the cement is P.O42.5R cement produced by Hubei Century Xinfeng Leishan Cement Co., Ltd., the fly ash is the first grade fly ash of Hubei Macheng Thermal Power Plant, and the river sand is Hubei Bahe river sand (screening out particles larger than 10mm ), the stones are 5-16 continuous graded crushed stones, the water reducing agent is a 25% water reducing agent compounded on site by Shanghai Hongyun New Building Materials Co., Ltd., and the mixing water is drinking tap water.

[0019] The concrete manufacturing method of self-compacting concrete pouring environmental protection slope protection component is: first put river sand, gravel, cement, and fly ash into the mixer for dry mixing, and then put water reducing agent and water into t...

Example Embodiment

[0020] Example 2:

[0021] To prepare 1m 3 Take self-compacting concrete as an example. Its various raw material components are: 350kg of cement, 150kg of fly ash, 910kg of river sand, 785kg of stones, 5.5kg of water reducing agent, and 190kg of water. Among them: the cement is P.O42.5R cement produced by Hubei Century Xinfeng Leishan Cement Co., Ltd., the fly ash is the second grade fly ash of Hubei Macheng Thermal Power Plant, and the river sand is Hubei Bahe river sand (with particles larger than 10mm screened out) ), the stone is 5-16mm continuous graded crushed stone, the water reducing agent is a 25% water reducing agent compounded on site by Shanghai Hongyun New Building Materials Co., Ltd., and the mixing water is drinking tap water. The specific manufacturing method of self-compacting concrete pouring environmentally friendly slope protection component is the same as that of Example 1.

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PUM

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Abstract

The invention discloses a self compact concrete and an environmentally friendly slope protection member production technology. The problems of color difference and pores of the appearance of a prefabricated cement member product due to common concrete cannot used to fill a complex closed die are solved in the invention. The components of concrete per unit volume comprise 320-350kg of cement, 150-180kg of fly ash, 900-950kg of river sand, 750-800kg of cobblestone, 4-6kg of a water reducer and 180-190kg of water. An environmentally friendly slope protection member is made through the steps of feeding, stirring, transporting, pouring, standing curing, steam curing, demolding and natural curing. The technology can be widely used to produce prefabricated concrete members, slightly increases the cost of production raw materials, reduces above 30% of the manpower cost, realizes no noises in production, makes the color difference of the prefabricated member products disappear, and reduces about 80% of surface pores.

Description

1. Technical field [0001] The invention belongs to the field of building materials, and in particular relates to a production process of self-compacting concrete and an environment-friendly slope protection component. 2. Background technology [0002] Environmental protection slope protection and green retaining wall have good landscape and environmental protection, and can be widely used in river channel reconstruction, reservoir reconstruction, lake reconstruction, road reconstruction, garden landscape, real estate community and other fields all over the country. Its landscape has high requirements on the overall appearance of the product, and there must be no color difference, honeycomb, pitted surface, and no large number of pores on the front and side. Due to the complex structure of the mold, narrow feed inlet and deep vertical height, it is difficult to meet the above requirements for products produced with ordinary concrete. At the same time, the mold is expensive, ...

Claims

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Application Information

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IPC IPC(8): C04B28/00
Inventor 徐小建詹海鹏
Owner 湖北正茂新材料科技股份有限公司
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