Anti-skid high-strength exposed concrete and preparation method thereof

A concrete and explicit technology, applied in the field of concrete, can solve problems such as poor anti-skid performance and mechanical strength, achieve the effect of improving poor strength, improving anti-skid performance and mechanical strength, and improving mechanical properties

Active Publication Date: 2021-10-26
靖江市恒生混凝土制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to overcome the defects of poor anti-skid performance and mechanical strength of anti-skid high-strength exposed concrete, the application provides an anti-skid high-strength exposed concrete and its preparation method, adopting the following technical scheme:

Method used

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  • Anti-skid high-strength exposed concrete and preparation method thereof
  • Anti-skid high-strength exposed concrete and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

preparation example 1

[0034] Mix 450mL 75% ethanol solution with 10mL tetraethyl orthosilicate, adjust the pH to 3.0 with 0.1mol / L nitric acid, and stir for 2 hours to obtain sol solution A; then take 450mL 75% ethanol solution and 20g aluminum chloride Place in an Erlenmeyer flask, stir and mix, and hydrolyze at room temperature for 2 hours to obtain sol solution B; take 20g of propylene oxide, 150mL of sol solution A and 250mL of sol solution B, place them in a stirring device, stir and mix to obtain mixed sol solution 1;

[0035] Take 20 g of calcium carbonate particles with a particle size of 6 μm, 1 mL of silane coupling agent, and 200 mL of mixed sol solution 1 in a mortar, grind and disperse them and pass through a 200-mesh sieve to collect the sieving liquid; weigh 45 mL of the sieving liquid , 55mL of deionized water, 3g of sodium citrate, 6g of sodium gluconate and 1g of sodium tripolyphosphate were placed in a stirring tank, stirred and mixed at 55°C until the viscosity was 25Pa·s, and th...

preparation example 2

[0037] Mix 475mL 75% ethanol solution with 11mL tetraethyl orthosilicate, adjust the pH to 3.0 with 0.1mol / L nitric acid, and stir for 2 hours to obtain sol solution A; then take 475mL 75% ethanol solution and 22g aluminum chloride Place in an Erlenmeyer flask, stir and mix, and hydrolyze at room temperature for 2 hours to obtain sol solution B; take 20g of propylene oxide, 175mL of sol solution A and 275mL of sol solution B, place them in a stirring device, stir and mix to obtain mixed sol solution 1;

[0038] Take 22g of calcium carbonate particles with a particle size of 7 μm, 1mL of silane coupling agent and 250mL of mixed sol solution 1 and place them in a mortar, grind and disperse them and pass through a 200-mesh sieve to collect the sieving liquid; weigh 47mL of the sieving liquid respectively , 57mL of deionized water, 4g of sodium citrate, 7g of sodium gluconate and 1g of sodium tripolyphosphate were placed in a stirred tank, stirred and mixed at 57°C until the viscos...

preparation example 3

[0040] Mix 500mL 75% ethanol solution with 12mL tetraethyl orthosilicate, adjust the pH to 3.0 with 0.1mol / L nitric acid, and stir for 3 hours to obtain sol solution A; then take 500mL 75% ethanol solution and 25g aluminum chloride Place in an Erlenmeyer flask, stir and mix, and hydrolyze at room temperature for 3 hours to obtain sol solution B; take 20g of propylene oxide, 200mL of sol solution A and 300mL of sol solution B, place them in a stirring device, stir and mix to obtain mixed sol solution 1;

[0041] Take 25g of calcium carbonate particles with a particle size of 8 μm, 2mL of silane coupling agent and 300mL of mixed sol solution 1 and place them in a mortar, grind and disperse them and pass through a 200-mesh sieve to collect the sieving liquid; weigh 50mL of the sieving liquid respectively , 60mL deionized water, 5g sodium citrate, 8g sodium gluconate and 2g sodium tripolyphosphate were placed in a stirred tank, stirred and mixed at 60°C until the viscosity was 28Pa...

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Abstract

This application relates to the field of concrete, and specifically discloses an anti-sliding high-strength exposed concrete and a preparation method thereof. The anti-sliding high-strength exposed concrete includes the following substances in parts by weight: 15-20 parts of water, 30-35 parts of cement, 90- 100 parts of coarse aggregate, 90-100 parts of fine aggregate and 0.1-0.5 part of admixture; the construction depth of the anti-skid high-strength exposed concrete is 2-3 mm. This application optimizes the structural depth of the exposed concrete material, increases the roughness to improve the anti-skid performance of the exposed concrete material, and at the same time, the coarse aggregate particles of the concrete material under the structure are firmly bonded to the exposed concrete, which improves the strength of the traditional exposed concrete material Poor problems, thus effectively improving the anti-skid performance and mechanical strength of exposed concrete.

Description

technical field [0001] The application relates to the field of concrete, more specifically, it relates to an anti-skid high-strength exposed concrete and a preparation method thereof. Background technique [0002] Permeable concrete is a special kind of concrete, also known as porous concrete, discontinuously graded concrete, open pore concrete or filter concrete. It is generally composed of binder, coarse aggregate, water and admixtures. Engineering materials with continuous pores and high water permeability can be used in water purification, permeable pavement, sound absorption and other projects. Exposed aggregate concrete is a concrete with exposed aggregate on the surface of permeable concrete as the decorative effect of the surface. The aggregate is exposed on the surface, and the fresh color, round luster, and good texture of the aggregate are used to achieve the aesthetic feeling of the exterior, and to achieve a natural decorative effect that is not artificially ca...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/02C04B41/50C04B111/76
CPCC04B28/02C04B41/009C04B41/5089C04B2111/00362C04B2111/76C04B2201/50C04B14/00C04B20/0076C04B41/5076C04B41/501C04B41/457
Inventor 朱鹏程
Owner 靖江市恒生混凝土制造有限公司
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