High water-storage concrete

A technology of concrete and cement, which can be applied to cohesive pavement, ceramic products, roads and other directions paved on site. It can solve the problems that concrete does not have water permeability and water storage at the same time, so as to increase the friction coefficient and the anti-rutting ability of the road surface, and improve the soil. The effect of ecological environment and protection of groundwater resources

Inactive Publication Date: 2013-09-18
CHONGQING CONSTR RESIDENTIAL ENG +2
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  • Abstract
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  • Claims
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Problems solved by technology

[0003] The present invention intends to provide a high water storage concrete to solve the problem that...

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Embodiment Construction

[0023] 1 Overview

[0024] 1.1 Since the high water storage concrete studied in this program is a brand-new concept, no other researchers in China have conducted research in this area. However, my country is a country with unbalanced distribution and shortage of water resources. High water storage concrete is an environmentally friendly and ecological material, which will attract more and more attention from people and has a very broad application prospect.

[0025] 2 Raw materials and test methods

[0026] 2.1 Main raw materials

[0027] 2.1.1 Cement

[0028] The weak link of high water storage concrete failure is the contact part between aggregates, that is, the cement bond layer. The higher the cement strength, the higher the bond layer strength. Therefore, the cement strength grade is an important factor affecting the strength of pervious concrete. The higher the cement strength grade, the higher the strength of permeable concrete. Lafarge brand P.O.42.5R Portland ceme...

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Abstract

The invention discloses high water-storage concrete so as to solve the problem that the concrete does not has water-permeable and water-storage characteristics at the same time in the prior art. The high water-storage concrete comprises the following materials: cement and coarse aggregates, wherein the coarse aggregates comprise red brick particles. The high water-storage concrete is porous concrete formed by stirring the coarse aggregates, the cement, water and an admixture through a stirring process, does not contain fine aggregates, and is of a honeycomb structure with uniformly distributed holes which are formed by coating thin-layer cement slurries on the surface of the coarse aggregates and adhering the thin-layer cement slurries to each other; a large proportion of unclosed communication holes are contained inside the high water-storage concrete, so that the high water-storage concrete has the characteristics of water storage, water permeability, ventilation and light weight, and is an environmentally-friendly building material.

Description

technical field [0001] The present invention relates to a concrete. Background technique [0002] With the rapid development of my country's economy and urbanization, the scale of the city has expanded rapidly, and the urban green area has become less and less, replaced by a large number of concrete roads and floors. These materials have a strong heat absorption capacity. The temperature on the roof is about 18 degrees Celsius higher than the temperature on the land, and the temperature on the cement roof is about 20 degrees Celsius higher than that on the grass. It absorbs a lot of heat during the day and continues to emit heat at night. Among them, the black color reflectivity of the asphalt road is very low, and the heat absorbed is much higher than that of the light color. In addition, because the soil cannot exchange heat and regulate humidity with the surface, the urban surface temperature and humidity cannot be adjusted, resulting in the urban heat island effect. In ...

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Application Information

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IPC IPC(8): C04B38/00C04B28/04E01C7/14E01C11/10
Inventor 张纯洁李海涛周尚永陈怡宏张意俞心刚叶建雄
Owner CHONGQING CONSTR RESIDENTIAL ENG
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