Unlock instant, AI-driven research and patent intelligence for your innovation.

Plastic concrete and preparation method thereof

A technology of plastic concrete and waste concrete, applied in the direction of climate sustainability, sustainable waste treatment, solid waste management, etc. land, improve the ecological environment, and avoid the effects of pollution

Inactive Publication Date: 2020-11-17
GUANGDONG RES INST OF WATER RESOURCES & HYDROPOWER
View PDF7 Cites 3 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Landfills occupy a large amount of land, which will damage the ecological environment; and due to the increasing shortage of land resources, the location of waste landfills is becoming more and more difficult
At the same time, with the rapid development of urbanization, a large number of concrete buildings have been demolished, resulting in a large amount of demolished waste concrete, and the main components of waste concrete are cement and sandstone. cause a lot of waste of resources

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Plastic concrete and preparation method thereof
  • Plastic concrete and preparation method thereof
  • Plastic concrete and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] A method for preparing plastic concrete, comprising the steps of:

[0032] S1. Preparation of crude artificial sand: classify construction waste, sort out waste concrete, and then perform impurity removal treatment; specifically, clean and remove the external inclusions of concrete components, crush and remove concrete blocks, sort and clean and remove the internal impurities of concrete blocks Steel bars, plastic pipes, wires and other impurities; and then the demolished concrete blocks are further broken, shaped and screened to make artificial sand with a particle size of no more than 10mm;

[0033]S2. Take raw materials according to the following parts by mass (each part by mass is calculated as 1 kg): 100 parts by mass of cement, 35 parts by mass of water, 2.5 parts by mass of polycarboxylate superplasticizer, 0.05 parts by mass of retarder Mix sucrose evenly to make cement slurry; soak the crude artificial sand prepared in step S1 in the cement slurry for 1 hour, d...

Embodiment 2

[0037] A method for preparing plastic concrete, comprising the steps of:

[0038] S1. Preparation of crude artificial sand: classify construction waste, sort out waste concrete, and then perform impurity removal treatment; specifically, clean and remove the external inclusions of concrete components, crush and remove concrete blocks, sort and clean and remove the internal impurities of concrete blocks Steel bars, plastic pipes, wires and other impurities; then the demolished concrete blocks are further crushed and screened to make artificial sand with a particle size of no more than 10mm;

[0039] S2, get raw materials according to the following parts by mass (each part by mass is calculated as 1kg): 75 parts by mass of cement, 25 parts by mass of admixture slag powder are mixed, then add 28 parts by mass of water, 2.0 parts by mass of polycarboxylic acid system high-efficiency Water reducer, 0.06 parts by mass of retarder sucrose, and 10 parts by mass of styrene-butadiene pol...

Embodiment 3

[0043] A method for preparing plastic concrete, comprising the steps of:

[0044] S1. Preparation of crude artificial sand: classify construction waste, sort out waste concrete, and then perform impurity removal treatment; specifically, clean and remove the external inclusions of concrete components, crush and remove concrete blocks, sort and clean and remove the internal impurities of concrete blocks Steel bars, plastic pipes, wires and other impurities; and then the demolished concrete blocks are further broken, shaped and screened to make artificial sand with a particle size of no more than 10mm;

[0045] S2, get raw materials according to the following parts by mass (each part by mass is calculated as 1kg): 85 parts by mass of cement, 15 parts by mass of admixture fly ash are mixed, then add 35 parts by mass of water, 1.5 parts by mass of polycarboxylate water reducing The retarder sucrose of 0.05 mass parts, 6 mass parts of ethylene acetate-vinyl ester polymer emulsion ar...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
particle diameteraaaaaaaaaa
particle diameteraaaaaaaaaa
particle diameteraaaaaaaaaa
Login to View More

Abstract

The invention discloses plastic concrete and a preparation method thereof. The preparation method comprises the following steps: crushing waste concrete to prepare an artificial sand crude product; performing soaking treatment on the artificial sand crude product by adopting cement slurry, draining off water, sieving, and performing surface slurry hardening treatment; then watering and maintainingto prepare artificial sand; and mixing the prepared artificial sand with a cementing material, coarse aggregate, a water reducing agent and clay and / or bentonite, adding mixing water, and mixing to prepare the plastic concrete. According to the invention, the waste concrete is used as a raw material to prepare the artificial sand, and then is used for preparing the plastic concrete, so that wasteis turned into wealth, resource utilization, garbage harmlessness and reduction are realized, and environmental pollution is avoided. The prepared plastic concrete has excellent performance.

Description

technical field [0001] The invention relates to the technical field of building materials, in particular to plastic concrete and a preparation method thereof. Background technique [0002] At present, construction waste accounts for a large proportion of urban waste, and it is not uncommon for cities to be besieged by waste. For construction waste, the existing disposal method is mainly landfill, and generally choose low-lying land, wasteland or quarry mine mouth as landfill. Landfills occupy a large amount of land, which will damage the ecological environment; and due to the increasing shortage of land resources, the location of waste landfills is becoming more and more difficult. At the same time, with the rapid development of urbanization, a large number of concrete buildings have been demolished, resulting in a large amount of demolished waste concrete, and the main components of waste concrete are cement and sandstone. Cause a lot of waste of resources. Contents of ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): C04B18/16C04B20/10C04B28/00
CPCC04B18/16C04B20/1074C04B28/00C04B2111/00017C04B18/08C04B14/104C04B14/02C04B2103/302C04B2103/22C04B20/1018C04B20/1029Y02W30/91
Inventor 王立华张君禄李兆恒万家瑞
Owner GUANGDONG RES INST OF WATER RESOURCES & HYDROPOWER