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Inorganic mixture prepared from construction waste recycled aggregate and preparation method thereof

A technology for recycling aggregate and construction waste, applied in sustainable waste treatment, solid waste management, climate sustainability, etc., can solve problems such as inability to meet demand, reduce construction waste requirements, improve economic benefits, and crush value reduced effect

Inactive Publication Date: 2021-11-02
BCEG RESOURCES RECYCLING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved is: the existing collection and distribution of recycled aggregates of construction waste still cannot meet the demand. By further improving the collection and distribution of recycled aggregates, the amount of cement can be further reduced, and at the same time, the utilization scale of recycled aggregates can be increased to meet the needs of the existing road grassroots. strength requirements

Method used

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  • Inorganic mixture prepared from construction waste recycled aggregate and preparation method thereof
  • Inorganic mixture prepared from construction waste recycled aggregate and preparation method thereof
  • Inorganic mixture prepared from construction waste recycled aggregate and preparation method thereof

Examples

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Effect test

Embodiment 1

[0025] A kind of mixture made of construction waste recycled aggregate, which is composed of the following raw materials by weight percentage: 96wt% of recycled aggregate, 4wt% of cement, and the construction waste recycled aggregate is composed of the following raw materials by weight percentage: mortar and concrete 65wt%, Among them, the concrete accounts for 40.1wt% of the recycled aggregate content, 0.2wt% of sundries, and the rest are bricks and tiles. The needle flake content of the recycled aggregate is 1.8wt%, the mud content is 4.3wt%, and the micropowder content is 2.6wt%. .

Embodiment 2

[0027] A kind of mixture made of construction waste recycled aggregate, which is composed of the following raw materials by weight percentage: 95 wt% of recycled aggregate, 5 wt% of cement, and the recycled construction waste aggregate is composed of the following raw materials by weight percentage: 60 wt% of mortar and concrete, Among them, the concrete accounts for 42.1wt% of the recycled aggregate content, 0.3wt% of sundries, and the rest are bricks and tiles. The needle flake content of the recycled aggregate is 2.4wt%, the mud content is 4wt%, and the micropowder content is 2.8wt%.

Embodiment 3

[0029] A kind of mixed material made of construction waste recycled aggregate, which is composed of the following raw materials in weight percentage: 94wt% of recycled aggregate, 6wt% of cement, and the construction waste recycled aggregate is composed of the following raw materials in weight percentage: mortar and concrete 70wt%, Among them, the concrete accounts for 36.5wt% of the recycled aggregate content, 0.1wt% of sundries, and the rest are bricks and tiles. The needle flake content of the recycled aggregate is 1.5wt%, the mud content is 3.6wt%, and the micro powder content is 2.9wt%. .

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Abstract

The invention discloses an inorganic mixture prepared from construction waste recycled aggregate. The inorganic mixture is prepared from the following raw materials in percentage by weight: 93-96 wt% of recycled aggregate and 4-7 wt% of cement. The recycled aggregate with the particle size of 20-31.5 mm is 10%, the recycled aggregate with the particle size of 10-20 mm is 25%, the recycled aggregate with the particle size of 5-10 mm is 30%, and the recycled aggregate with the particle size of 0-5 mm is 35%. By further improving the combination of the recycled aggregate, the cement consumption can be further reduced, the utilization scale of the recycled aggregate is increased, and the strength requirement of the existing road base is met.

Description

technical field [0001] The invention relates to the technical field of recycled inorganic mixtures, in particular to an inorganic mixture made of recycled construction waste aggregates and a preparation method thereof. Background technique [0002] At present, the construction waste in Beijing is mainly the demolition of the shed renovation project. The construction waste generated by the shed renovation project is often disposed of by open-air stacking, underground burial, and incineration, which seriously pollutes water, air and soil, and seriously pollutes the environment. Effective treatment of construction waste can not only avoid polluting soil, water and harmful gases, but also save landfill space. [0003] The rapid development of my country's highway construction consumes a large amount of natural aggregates, which are difficult to regenerate in the short term. Sorting concrete blocks, bricks, mortar blocks, etc. from the construction waste generated by the demolit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/08C04B18/16
CPCC04B28/08C04B18/16C04B2111/0075C04B2201/20C04B2201/50Y02W30/91
Inventor 王淼李岩凌刘文才何强周伟陈向杰
Owner BCEG RESOURCES RECYCLING CO LTD
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