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C30 concrete and preparation method thereof

A concrete and bamboo fiber technology, applied in the field of concrete, can solve the problems of limited drainage capacity of impermeable concrete pavement, acceleration of urban heat island effect, and reduction of air humidity, so as to improve workability and flexural strength, and improve hydrophilicity And dispersibility, the effect of preventing drying shrinkage

Inactive Publication Date: 2019-04-16
陕西盛泰浩景建材有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, urban roads are usually covered by impermeable concrete pavement. Compared with natural soil, impermeable concrete pavement will reduce the air humidity in the city and accelerate the formation of urban heat island effect; and the leakage of impermeable concrete pavement The flow capacity is limited, and in heavy rain weather, it will cause large-scale water accumulation on the road surface; in order to solve this problem, people have developed a permeable concrete

Method used

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  • C30 concrete and preparation method thereof
  • C30 concrete and preparation method thereof

Examples

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preparation example 1

[0033] Preparation example 1: S1: Preparation of modified liquid: Take 30kg of sodium carbonate, 10kg of sodium silicate, 5kg of sodium oleate, 1kg of triethanolamine oleate, 1kg of polyoxyethylene lauryl ether and 60kg of water at a speed of 100r / min Stir for 10 minutes to obtain the modified solution;

[0034] S2: Modification treatment: Take bamboo fiber with a fineness of 100 mesh, place it at a temperature of 100°C, and dry it for 6 hours; then soak the dried bamboo fiber in the modification solution for 24 hours, and the bamboo fiber and the modification solution The weight ratio of the bamboo fiber is 1:20; take out the bamboo fiber and wash it with deionized water to make the pH value 7-8, and then place it at a temperature of 100°C for another 6-8h to obtain a modified bamboo fiber.

preparation example 2

[0035] Preparation example 2: S1: Preparation of modified liquid: Take 35kg of sodium carbonate, 15kg of sodium silicate, 7.5kg of sodium oleate, 1.5kg of triethanolamine oleate, 1.5kg of polyoxyethylene lauryl ether and 65kg of water, and use 150r / min speed stirring for 15min to obtain the modified solution;

[0036] S2: Modification treatment: Take bamboo fiber with a fineness of 150 mesh, place it at a temperature of 105°C, and dry it for 7 hours; then soak the dried bamboo fiber in the modification solution for 30 hours, and the bamboo fiber and the modification solution The weight ratio of the bamboo fiber is 1:20; take out the bamboo fiber and wash it with deionized water to make the pH value 7-8, then place it at a temperature of 105°C for another 7 hours to obtain the modified bamboo fiber .

preparation example 3

[0037] Preparation example 3: S1: Preparation of modified liquid: Take 40kg of sodium carbonate, 20kg of sodium silicate, 10kg of sodium oleate, 2kg of triethanolamine oleate, 2kg of polyoxyethylene lauryl ether and 70kg of water at a speed of 200r / min Stir for 20min to obtain modified solution;

[0038] S2: Modification treatment: Take bamboo fiber with a fineness of 150 mesh, place it at a temperature of 110°C, and dry it for 8 hours; then soak the dried bamboo fiber in the modification solution for 36 hours, and the bamboo fiber and modification solution The weight ratio of the bamboo fiber is 1:20; take out the bamboo fiber and wash it with deionized water to make the pH value 7-8, then place it at a temperature of 110°C for another 8 hours to obtain the modified bamboo fiber .

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Abstract

The invention discloses a C30 concrete and a preparation method thereof. The C30 concrete is characterized by comprising the following components in parts by weight: 140-150 parts of cement, 800-850 parts of coarse aggregate, 20-30 parts of admixture, 10-20 parts of reinforced fibers, 6-8 parts of a water retaining agent, 4-6 parts of an addition agent and 100-110 parts of water. The reinforcing fiber comprises a lignocellulose and a modified bamboo fiber in a weight ratio of 1:1. According to the C30 concrete preparation method, the concrete can have certain water-retaining property while being quickly permeable through the matching of the reinforcing fibers and the water retaining agent, so that the concrete is prevented from being dried and shrunk, and the crack resistance of the concrete is improved.

Description

technical field [0001] The invention relates to the technical field of concrete, more specifically, it relates to a C30 concrete and a preparation method thereof. Background technique [0002] Ordinary concrete refers to the artificial stone made of cement as the main cementitious material, mixed with water, sand, stones, chemical admixtures and mineral admixtures in appropriate proportions, uniformly stirred, compacted and cured. Concrete has the advantages of low cost, convenient construction and good controllability. In recent years, the application of concrete in urban construction has become more and more extensive. However, with the extensive application of concrete, a series of problems have also arisen. At present, urban roads are usually covered by impermeable concrete pavement. Compared with natural soil, impermeable concrete pavement will reduce the air humidity in the city and accelerate the formation of urban heat island effect; and the leakage of impermeable co...

Claims

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Application Information

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IPC IPC(8): C04B28/04C04B38/00C04B111/20C04B111/40C04B111/60
CPCC04B28/04C04B2111/00017C04B2111/00284C04B2111/0075C04B2111/20C04B2111/40C04B2111/60C04B2201/50C04B14/14C04B14/047C04B18/08C04B18/146C04B18/265C04B18/26C04B24/2652C04B24/383C04B24/122C04B24/08C04B22/10C04B22/00C04B24/32C04B20/0076C04B2103/0068C04B38/0041
Inventor 肖锋兴
Owner 陕西盛泰浩景建材有限公司
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