Impact-resistant abrasion-resistance concrete for hydraulic engineering and preparation method of impact-resistant abrasion-resistance concrete for hydraulic engineering

A technology for hydraulic engineering and concrete, applied in the field of concrete, can solve the problems of poor impact and wear resistance of concrete, and achieve the effects of increasing impact and wear resistance, high reliability and reasonable design

Inactive Publication Date: 2018-09-14
河南正海实业有限公司 +18
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] With the continuous development of water conservancy engineering facilities, we need high-quality concrete with better performance. However, the current concrete has poor impact and wear resistance, which makes the entire water conservancy project under great pressure. Therefore, we need to design a A kind of impact-resistant and wear-resistant concrete to meet the needs of current water conservancy construction

Method used

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  • Impact-resistant abrasion-resistance concrete for hydraulic engineering and preparation method of impact-resistant abrasion-resistance concrete for hydraulic engineering

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] In Example 1 of the present invention, a kind of impact-resistant and wear-resistant concrete for water conservancy projects, the concrete is made of the following raw materials in parts by weight: 20 parts of modified glass fiber, 15 parts of modified bamboo activated carbon powder, ordinary silicic acid 70 parts of salt cement, 30 parts of aggregate, 50 parts of deionized water, and 5 parts of water reducing agent.

[0023] The preparation method of above-mentioned concrete comprises the steps:

[0024] (1), preparation of modified glass fiber: mercaptoethanol and deionized water are mixed into a mercaptoethanol solution whose mass concentration is 5%, and polyethylene glycol monomethyl ether and absolute ethanol are mixed into a 15% mass concentration Polyethylene glycol monomethyl ether solution, then put the glass fiber into the mercaptoethanol solution, raise the temperature to 75°C under the protection of nitrogen, and heat and stir at this temperature for 40min,...

Embodiment 2

[0028] In Example 2 of the present invention, a water conservancy project uses an impact-resistant and wear-resistant concrete, and the concrete is made of the following raw materials in parts by weight: 30 parts of modified glass fibers, 25 parts of modified bamboo activated carbon powder, ordinary silicic acid 80 parts of salt cement, 40 parts of aggregate, 60 parts of deionized water, and 10 parts of water reducing agent.

[0029] The preparation method of above-mentioned concrete comprises the steps:

[0030] (1), preparation of modified glass fiber: mercaptoethanol and deionized water are mixed into a mercaptoethanol solution whose mass concentration is 10%, and polyethylene glycol monomethyl ether and absolute ethanol are mixed into a 25% mass concentration Polyethylene glycol monomethyl ether solution, then put the glass fiber into the mercaptoethanol solution, raise the temperature to 85°C under the protection of nitrogen, and heat and stir at this temperature for 50mi...

Embodiment 3

[0034] In Example 3 of the present invention, a kind of impact-resistant and wear-resistant concrete for water conservancy projects, the concrete is made of the following raw materials in parts by weight: 22 parts of modified glass fibers, 17 parts of modified bamboo activated carbon powder, ordinary silicic acid 72 parts of salt cement, 32 parts of aggregate, 52 parts of deionized water, and 6 parts of water reducer.

[0035] The preparation method of above-mentioned concrete comprises the steps:

[0036] (1), preparation of modified glass fiber: mercaptoethanol and deionized water are mixed into a mercaptoethanol solution whose mass concentration is 7.5%, and polyethylene glycol monomethyl ether and absolute ethanol are mixed into a 20% mass concentration Polyethylene glycol monomethyl ether solution, then put the glass fiber into the mercaptoethanol solution, raise the temperature to 80°C under the protection of nitrogen, and heat and stir at this temperature for 45min, the...

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Abstract

The invention discloses impact-resistant abrasion-resistance concrete for hydraulic engineering. The concrete is prepared from, by weight, 20-30 parts of modified glass fibers, 15-25 parts of modifiedbamboo activated carbon powder, 70-80 parts of ordinary Portland cement, 30-40 parts of aggregates, 50-60 parts of deionized water and 5-10 parts of a water reducing agent. The invention further discloses a preparation method of the impact-resistant abrasion-resistance concrete for hydraulic engineering. The preparation method includes steps: (1) modified glass fiber preparation; (2) modified bamboo activated carbon powder preparation; (3) mixing. On the basis that ordinary Portland cement is used as a concrete raw material currently, modified glass fibers and modified bamboo activated carbonpowder are added, and accordingly impact resistance and abrasion resistance of concrete are greatly improved; in addition, glass fibers and the bamboo activated carbon powder are extensive in source,energy saving, environmental friendliness, suitableness for large-scale production and high reliability are realized, and construction requirements of hydraulic engineering are met.

Description

technical field [0001] The invention relates to the technical field of concrete, in particular to an impact-resistant and wear-resistant concrete for water conservancy projects and a preparation method thereof. Background technique [0002] The scouring wear and cavitation damage of hydraulic structures by high-speed water flow, sand-laden water flow, and moving water flow have always been the common damage methods of hydraulic discharge structures such as overflow dams, flood discharge tunnels, and sluice gates. It is a long-term concern in hydropower construction and needs to be properly resolved. According to the survey, 70% of the dam discharge structures in operation in our country have different degrees of abrasion damage, and some are even very serious, not only being damaged, but also endangering the safety of other buildings. [0003] Concrete used for hydraulic structures that are often or periodically subjected to environmental water. According to the size of th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/04C04B20/10C04B111/74
CPCC04B28/04C04B20/1037C04B2111/74C04B2201/50C04B14/42C04B14/022C04B14/02C04B2103/302C04B20/1033
Inventor 郭二旺吴世强彭发运王文婷郭乙霏曹兰英杨静周魏波成文明李海波成浩李辉张鹏冲李恒琪牛鹏云郭正林牛鹏程李丽娟
Owner 河南正海实业有限公司
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