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Reinforcing agent for pervious concrete as well as preparation method and construction process of reinforcing agent

A technology of permeable concrete and construction technology, which is applied to cohesive pavement paved on site, buildings, roads, etc., which can solve the problems of water permeability, inconsistent vegetation, swaying surface stones, poor water permeability, etc., to avoid surface stones Effects of sloshing or dropping, fast project progress, and excellent continuous porosity

Active Publication Date: 2019-07-23
南京海牛科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, generally speaking, the current production technology of permeable concrete in my country is not yet mature, and the understanding of its water permeability and vegetative properties is still inconsistent, and there is no standard to follow. The existing permeable concrete generally has insufficient strength and weak adhesion. Good, poor water permeability and other problems, especially the exposed aggregate permeable concrete is prone to quality problems such as surface stones shaking or falling off during the subsequent cleaning process

Method used

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  • Reinforcing agent for pervious concrete as well as preparation method and construction process of reinforcing agent

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] The reinforcing agent for permeable concrete of the present embodiment includes the following components by weight: 50 parts of nano-scale silicon powder, 15 parts of water reducing agent, 2 parts of cellulose, 8 parts of calcium sulfate whiskers, 5 parts of trisodium phosphate, 1.5 parts of calcium carboxylate, 6 parts of alkali metal carbonate and 2 parts of formamide.

[0040] Among them, the shape of nano-scale silicon powder is spherical, and the particle size is 1-100nm; the water reducer is polycarboxylate high-efficiency water reducer, and the cellulose is methyl cellulose or ethyl cellulose; calcium carboxylate is selected from One or a mixture of calcium formate, calcium acetate or calcium acrylate; alkali metal carbonates are selected from K 2 CO 3 , Li 2 CO 3 and Na 2 CO 3 one or a mixture of several.

[0041] The preparation method of this reinforcing agent comprises the steps:

[0042] (1) take each raw material by proportioning, for subsequent use;...

Embodiment 2

[0046] The reinforcing agent for permeable concrete of the present embodiment includes the following components by weight: 70 parts of nano-scale silicon powder, 12 parts of water reducing agent, 3 parts of cellulose, 9 parts of calcium sulfate whiskers, 7 parts of trisodium phosphate, 3 parts of calcium carboxylate, 4 parts of alkali metal carbonate and 1 part of formamide.

[0047] Among them, the shape of nano-scale silicon powder is spherical, and the particle size is 1-100nm; the water reducer is polycarboxylate high-efficiency water reducer, and the cellulose is methyl cellulose or ethyl cellulose; calcium carboxylate is selected from One or a mixture of calcium formate, calcium acetate or calcium acrylate; alkali metal carbonates are selected from K 2 CO 3 , Li 2 CO 3 and Na 2 CO 3 one or a mixture of several.

[0048] The preparation method of this reinforcing agent comprises the steps:

[0049] (1) take each raw material by proportioning, for subsequent use;

...

Embodiment 3

[0053] The reinforcing agent for permeable concrete of the present embodiment includes the following components by weight: 80 parts of nano-scale silicon powder, 10 parts of water reducing agent, 4 parts of cellulose, 10 parts of calcium sulfate whiskers, 8 parts of trisodium phosphate, 5 parts of calcium carboxylate, 2 parts of alkali metal carbonate and 0.5 part of formamide.

[0054] Among them, the shape of nano-scale silicon powder is spherical, and the particle size is 1-100nm; the water reducer is polycarboxylate high-efficiency water reducer, and the cellulose is methyl cellulose or ethyl cellulose; calcium carboxylate is selected from One or a mixture of calcium formate, calcium acetate or calcium acrylate; alkali metal carbonates are selected from K 2 CO 3 , Li 2 CO 3 and Na 2 CO 3 one or a mixture of several.

[0055] The preparation method of this reinforcing agent comprises the steps:

[0056] (1) take each raw material by proportioning, for subsequent use;...

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Abstract

The invention discloses a reinforcing agent for previous concrete as well as a preparation method and a construction process of the reinforcing agent. The reinforcing agent is prepared from the following components in parts by weight: 50 to 80 parts of nano-grade silicon powder, 10 to 15 parts of water reducing agent, 2 to 4 parts of cellulose, 8 to 10 parts of calcium sulfate whisker, 5 to 8 parts of trisodium phosphate, 1.5 to 5 parts of calcium carboxylate, 2 to 6 parts of alkali carbonate and 0.5 to 2 parts of formamide. According to the reinforcing agent, the bonding effect of cement canbe enhanced; meanwhile, the compressive strength and service life of a previous concrete pavement are respectively enhanced and prolonged, and the construction process is simplified; the process flowis short, the project progress is quick, and remarkable economic benefit and social benefit are realized.

Description

technical field [0001] The invention relates to a reinforcing agent, a preparation method and a construction process thereof, in particular to a permeable concrete reinforcing agent, a preparation method and a construction process thereof, and belongs to the technical field of sponge city construction. Background technique [0002] Sponge city refers to a city that can be like a sponge and has good "elasticity" in adapting to environmental changes and responding to natural disasters. When it rains, it absorbs, stores, infiltrates, and purifies water. use. Sponge city construction should follow the principles of ecological priority, combine natural approaches with artificial measures, and ensure the safety of urban drainage and waterlogging, maximize the accumulation, infiltration and purification of rainwater in urban areas, and promote the utilization of rainwater resources and ecological environment protection. In the process of sponge city construction, the systematic n...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B24/38E01C7/14
CPCC04B40/0039E01C7/142C04B22/06C04B24/24C04B24/383C04B14/383C04B22/16C04B24/04C04B22/10C04B24/124
Inventor 王新鹏
Owner 南京海牛科技有限公司
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