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Building waste recycled concrete and preparation method thereof

A technology for recycling concrete and construction waste, applied in the field of building materials, can solve the problems of land occupation, resource waste, and environmental pollution, and achieve the effects of good toughness, low cost, and simple preparation methods

Inactive Publication Date: 2017-11-17
钟传新
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, construction waste is mainly treated by traditional open-air stacking and deep excavation for landfill. Although this method has a large processing capacity, is convenient and simple, and has low processing costs, it actually occupies a large amount of land resources and produces irreparable environmental pollution.
If such a large amount of construction waste cannot be recycled in time, it will not only pollute the environment, but also cause a serious waste of resources.

Method used

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  • Building waste recycled concrete and preparation method thereof

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Experimental program
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Effect test

Embodiment 1

[0022] The construction waste recycled concrete in this embodiment is made of the following raw materials: 50 kg of construction waste recycled aggregate, 20 kg of reinforcing agent, 5 kg of water reducing agent, 20 kg of curing agent, 5 kg of mineral powder, 90 kg of Portland cement cement, and 100 kg of water and polyamide 20kg, wherein, the construction waste regenerated aggregate refers to the construction waste with a particle size of 2-10mm obtained after crushing, sieving, and removing foreign matter, and the reinforcing agent is silica fume powder and redispersible Latex powder is the mixture of 1:3 by mass ratio, and described curing agent is made of 12% calcium sulfate, 12% sodium chloride, 12% calcium chloride, 12% ammonium bicarbonate, 12% potassium carbonate and 40% water by mass percentage Prepared by mixing.

[0023] The preparation method of above-mentioned construction waste recycled concrete comprises the following steps:

[0024] (1) Take the following raw ...

Embodiment 2

[0027] The construction waste recycled concrete of this embodiment is made of the following raw materials: 60 kg of construction waste recycled aggregate, 15 kg of reinforcing agent, 10 kg of water reducing agent, 15 kg of curing agent, 10 kg of mineral powder, 60 kg of Portland cement cement, and 125 kg of water and polyamide 15kg, wherein, the construction waste regenerated aggregate refers to the construction waste obtained after crushing, sieving, and removing foreign matter, and the particle size is 2-10mm, and the reinforcing agent is silica fume powder and redispersible Latex powder is the mixture of 1:3 by mass ratio, and described curing agent is made of 12% calcium sulfate, 12% sodium chloride, 12% calcium chloride, 12% ammonium bicarbonate, 12% potassium carbonate and 40% water by mass percentage Prepared by mixing.

[0028] The preparation method of above-mentioned construction waste recycled concrete comprises the following steps:

[0029] (1) Take the following ...

Embodiment 3

[0032] The construction waste recycled concrete of this embodiment is made of the following raw materials: 70 kg of construction waste recycled aggregate, 10 kg of reinforcing agent, 15 kg of water reducing agent, 10 kg of curing agent, 15 kg of mineral powder, 30 kg of Portland cement cement, and 150 kg of water and polyamide 10kg, wherein, the construction waste regenerated aggregate refers to the construction waste with a particle size of 2-10mm obtained after crushing, sieving, and removing foreign matter, and the reinforcing agent is silica fume powder and redispersible Latex powder is the mixture of 1:3 by mass ratio, and described curing agent is made of 12% calcium sulfate, 12% sodium chloride, 12% calcium chloride, 12% ammonium bicarbonate, 12% potassium carbonate and 40% water by mass percentage Prepared by mixing.

[0033] The preparation method of above-mentioned construction waste recycled concrete comprises the following steps:

[0034] (1) Take the following ra...

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Abstract

The invention discloses building waste recycled concrete and a preparation method thereof, and belongs to the technical field of building materials. The building waste recycled concrete is prepared from the following raw materials in parts by weight: 50-70 parts of building waste recycled aggregate, 10-20 parts of a reinforcing agent, 5-15 parts of a water reducer, 10-20 parts of a curing agent, 5-15 parts of mineral powder, 30-90 parts of cement, 100-150 parts of water and 10-20 parts of polyamide. The building waste recycled concrete is high in strength, is stable in quality, is long in service life, is low in cost, can change waste into valuable things, is environmentally friendly and energy-saving, and has very good economic benefits and wide social benefits.

Description

technical field [0001] The invention relates to recycled concrete from construction waste and a preparation method thereof, belonging to the technical field of building materials. Background technique [0002] Construction waste is the main component of urban waste, accounting for about 30%-40% of the total urban waste. In 2004 alone, my country produced about 6 billion tons of construction waste, and the data from 2008 to 2011 must be far greater than this number. At present, construction waste is mainly treated by traditional open-air stacking and deep excavation and landfill. Although this method has a large processing capacity, is convenient and simple, and has low processing costs, it actually occupies a large amount of land resources and produces irreversible environmental pollution. If such a large amount of construction waste cannot be recycled in time, it will not only pollute the environment, but also cause a serious waste of resources. Contents of the invention...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/04C04B28/06
CPCC04B28/04C04B28/06C04B2111/00017C04B2201/50C04B18/16C04B18/141C04B24/287C04B18/146C04B22/143C04B22/124C04B22/10C04B20/0076C04B2103/0057C04B2103/302
Inventor 钟传新
Owner 钟传新
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