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Compound concrete and preparation method thereof

A concrete and raw material technology, applied in the field of concrete, can solve problems such as crack resistance, strength, flexural resistance, and low corrosion performance, and achieve the effects of improving concrete quality, avoiding environmental pollution, and stabilizing quality

Active Publication Date: 2015-01-21
董发达
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The hollow fiber concrete sandwich straw compressed brick block has good thermal insulation, heat insulation and sound insulation properties, but its crack resistance, strength, flexural resistance and corrosion resistance are not high

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0015] The implementation of the present invention will be described in detail below in conjunction with specific examples, so as to fully understand and implement the process of how to apply technical means to solve technical problems and achieve technical effects in the present invention.

[0016] Embodiments of the invention are:

[0017] A composite concrete is composed of the following raw materials, each component of the raw material and the content of each component are: 75 parts by weight of water, 155 parts by weight of cement, 495 parts by weight of gravel with a particle size of 25 mm, and a particle size of 10 mm 185 parts by weight of stone powder, 70 parts by weight of stone pulp powder, 10 parts by weight of water glass, 5 parts by weight of polypropylene monofilament fibers with a length of 10 mm, and 2 parts by weight of fluidizing agent.

[0018] Its preparation method comprises the following steps:

[0019] (1) Preparation of regenerated coarse aggregate an...

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PUM

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Abstract

The invention relates to the technical field of concrete, and provides a compound concrete and a preparation method thereof, wherein the compound concrete is high in strength, good in crack-resisting effect, excellent in anti-bending performance, strong in freezing resistance, resistant to corrosion and low in cost. The compound concrete comprises the following raw materials in parts by weight: 70 to 80 parts of water, 150 to 160 parts of cement, 490 to 500 parts of recycled coarse aggregate with the particle diameter between 5 and 40mm, 180 to 190 parts of recycled fine aggregate with the particle diameter between 0.15 and 4.75mm, 65 to 75 parts of stone slurry powder, 1 to 3 parts of fluidizer, 5 to 15 parts of water glass and 3 to 7 parts of ethylene polypropylene monofilament fibers. The preparation method comprises the following steps: (1) preparing the recycled coarse aggregate and the recycled fine aggregate; (2) preparing the stone slurry powder; and (3) stirring the mixed raw materials.

Description

technical field [0001] The invention relates to the technical field of concrete, in particular to a composite concrete and a preparation method thereof. Background technique [0002] Due to the development of the economy and the rise of the real estate industry, the society's demand for all kinds of stone slabs has expanded rapidly. In coastal and inland areas rich in ore resources, stone enterprises are developing in the direction of clustering and scale. Similarly, due to the extensive use of resources Due to the profit-seeking nature of capital, stone companies allow the discharge of a large amount of stone waste (mainly cutting and crushing scraps, and stone slurry produced by grinding), resulting in large-scale soil desertification, ecological damage, and more wind and sand. , environmental pollution, etc., seriously affecting production, life and social and economic development. [0003] On the other hand, the production of large cement in concrete, the cement industr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/00C04B18/30
CPCY02W30/91
Inventor 蔡进强董发达董再发李火金
Owner 董发达
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