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Building garbage nanometer crystal nucleus, preparation method and applications thereof

A construction waste and nanocrystalline technology, applied in the field of building materials, can solve the problems of low utilization rate of construction waste resources, and achieve the effect of easy promotion and application, improvement of early strength, and improvement of compressive strength.

Active Publication Date: 2019-09-20
WUHAN UNIV OF TECH
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  • Claims
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Problems solved by technology

[0003] In view of this, the present invention aims to propose a construction waste nano crystal core to solve the problem of low resource utilization of existing construction waste

Method used

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  • Building garbage nanometer crystal nucleus, preparation method and applications thereof
  • Building garbage nanometer crystal nucleus, preparation method and applications thereof
  • Building garbage nanometer crystal nucleus, preparation method and applications thereof

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Embodiment Construction

[0020] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0021] The present invention will be described in detail below in conjunction with examples.

[0022] Table 1 is the ratio of each component in the construction waste nanocrystal nuclei of Embodiment 1 to Embodiment 6 of the present invention and the fineness of each embodiment construction waste nanocrystal nucleus, wherein, the construction waste nanocrystal nuclei of Embodiment 1 to Embodiment 6 The fineness of nanocrystalline nuclei was analyzed with a laser particle size analyzer.

[0023] Table 1

[0024]

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Abstract

The invention provides a building garbage nanometer crystal nucleus, a preparation method and applications thereof, wherein 100 parts of the raw materials comprise, by weight, 20-35 parts of building garbage micro-powder, 0.5-2 parts of an anti-mud agent, 0.5-1 part of a hydration accelerator, 0.1-0.5 part of a surface modifier, 0.1-0.5 part of a dispersion stabilizer, and the balance of water. According to the present invention, with the building garbage nanometer crystal nucleus, the pore structure can be substantially improved, the nucleation acceleration hydration can be induced, and the early strength can be significantly improved; when 5-15% of the cement is replaced with the building garbage nanometer crystal nucleus, the 1 d compressive strength of ordinary Portland cement mortar can be improved by more than 20%, the 3 d compressive strength can be increased by more than 10%, and the 28 d compressive strength is not decreased; and the building garbage nanometer crystal nucleus provides the new direction for the resource utilization of building garbage, and greatly improve the resource utilization rate of building garbage.

Description

technical field [0001] The invention relates to the technical field of building materials, in particular to a nano crystal core of construction waste and its preparation method and application. Background technique [0002] During the accelerated development of industrialization and urbanization, the development of the construction industry and the replacement of buildings are also getting faster and faster, and the discharge of construction waste is also increasing. According to statistics, the amount of construction waste in China has already accounted for It accounts for 30-40% of the total amount of urban waste, and the annual output of construction waste in my country is more than 1.8 billion tons. However, under such an astonishing reserve, its resource utilization rate is less than 10%, and most of the construction waste has not been treated. It was transported to the suburbs or villages by the construction unit, stacked in the open air or landfilled, consuming a lot of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B24/32C04B24/24
CPCC04B40/0039C04B18/16C04B24/122C04B22/149C04B22/16C04B24/24C04B24/06C04B22/147C04B24/04
Inventor 谭洪波邓秀峰张迅聂康峻李懋高贺行洋苏英
Owner WUHAN UNIV OF TECH
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