A kind of concrete mixed with quartz stone artificial stone waste slag and fly ash

A technology of artificial stone and quartz stone, which is applied in the field of building structural materials and ordinary concrete, can solve problems such as land resources, water bodies and air pollution, and achieve the effects of reducing cement consumption, creating ecological benefits, and good cohesion

Active Publication Date: 2019-10-18
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the vast majority of quartz stone artificial stone residues are still treated by traditional landfill methods, which not only occupy more land resources, but also cause pollution to water bodies and the atmosphere.

Method used

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  • A kind of concrete mixed with quartz stone artificial stone waste slag and fly ash
  • A kind of concrete mixed with quartz stone artificial stone waste slag and fly ash

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Concrete mixed with quartz artificial stone waste slag and fly ash, according to the mass ratio, includes the following components:

[0024] Cement: Quartz Stone Artificial Stone Waste: Fly Ash: Water: River Sand: Stone: Water Reducer = 330:62:21:173:772:1067:6.2;

[0025] The cement is P.Ⅱ42.5 cement, and all indicators meet the relevant regulations in "General Portland Cement";

[0026] Quartz stone artificial stone waste residue is the powdery material obtained from the waste residue produced during the production process of polyester quartz stone artificial stone, which is dried at 105 ° C and ball milled for 20 minutes by a ball mill; the specific surface area of ​​quartz stone artificial stone waste residue is 250m 2 / kg, the apparent density is 1960kg / m 3 , the loose bulk density is 790kg / m 3 , porosity 60%, SiO 2 The content is 88%;

[0027] Fly ash is Class II fly ash with a density of 2.4g / cm 3 , the indicators meet the relevant provisions of the "Standar...

Embodiment 2

[0036] Concrete mixed with quartz artificial stone waste slag and fly ash, according to the mass ratio, includes the following components:

[0037] Cement: Quartz Stone Artificial Stone Waste: Fly Ash: Water: River Sand: Stone: Water Reducer = 327:41:41:172:765:1058:6.1;

[0038] The cement is P.Ⅱ42.5 cement, and all indicators meet the relevant regulations in "General Portland Cement";

[0039] Quartz stone artificial stone waste residue is the powdery material obtained from the waste residue produced during the production process of polyester quartz stone artificial stone, which is dried at 105 ° C and ball milled for 25 minutes by a ball mill; the specific surface area of ​​quartz stone artificial stone waste residue is 300m 2 kg, the apparent density is 1990kg / m 3 , the loose bulk density is 790kg / m 3 , porosity 60%, SiO 2 The content is 86%;

[0040] Fly ash is Class II fly ash with a density of 2.4g / cm 3 , the indicators meet the relevant provisions of the "Standard...

Embodiment 3

[0049] Concrete mixed with quartz artificial stone waste slag and fly ash, according to the mass ratio, includes the following components:

[0050] Cement: Quartz Stone Artificial Stone Waste: Fly Ash: Water: River Sand: Stone: Water Reducer = 232:84:84:168:748:1034:4;

[0051] The cement is P.Ⅱ42.5 cement, and all indicators meet the relevant regulations in "General Portland Cement";

[0052] Quartz stone artificial stone waste residue is the powdery material obtained from the waste residue produced during the production process of polyester quartz stone artificial stone, which is dried at 105 ° C and ball milled for 30 minutes by a ball mill; the specific surface area of ​​quartz stone artificial stone waste residue is 250m 2 / kg, the apparent density is 1940kg / m 3 , the loose bulk density is 820kg / m 3 , porosity 53%, SiO 2 The content is 88%;

[0053] Fly ash is Class II fly ash with a density of 2.4g / cm 3 , the indicators meet the relevant provisions of the "Standards f...

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Abstract

The invention discloses concrete doped with quartzite artificial stone residues and fly ash. The concrete comprises, by weight, 230-330 parts of cement, 160-175 parts of water, 740-780 parts of river sand, 1,030-1,100 parts of pebbles, 40-90 parts of quartzite artificial stone residues, 20-90 parts of the fly ash, and 4.0-6.5 parts of water reducing agent. In the concrete doped with the quartzite artificial stone residues and fly ash, the quartzite artificial stone residues and the fly ash are adopted as an admixture to replace partial cement, concrete with high water retentivity and viscidity is obtained, the shortcomings that when only the quartzite artificial stone residues are doped, the fluidity is lowered, and the strength in the later period is lowered are solved, which is beneficial to promotion of recycled utilization of the quartzite artificial stone residues, and beneficial to lowering of concrete cost, thus the ecological benefit is created, and the economic benefit is also obtained.

Description

technical field [0001] The invention belongs to the technical field of building materials, and relates to a structural material for building, in particular to ordinary concrete doped with waste slag of quartz stone artificial stone and fly ash. Background technique [0002] In recent years, with the rapid development of my country's artificial stone industry, the waste residue generated during the grinding process of artificial stone is increasing day by day, but the research on the recycling of quartz artificial stone waste residue is basically blank. At present, the vast majority of quartz stone artificial stone residues are still treated by traditional landfill methods, which not only occupy more land resources, but also cause pollution to water bodies and the atmosphere. [0003] The main components of quartz stone artificial stone waste residue are silica (about 85%) and hardened unsaturated polyester resin (about 10%), in addition to a small amount of kraft paper debri...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/04C04B18/16C04B18/08
CPCC04B28/04C04B2201/50C04B14/068C04B14/02C04B18/16C04B18/08C04B2103/302Y02W30/91
Inventor 郭文瑛苏泊雅欧焕聪林浩帆蔡晓涛唐紫鉴陈思威
Owner SOUTH CHINA UNIV OF TECH
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