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Impact-resistant and wear-resistant composite material for hydraulic structure

A technology for hydraulic structures and composite materials, which is applied in the field of anti-impact and wear-resistant composite materials for hydraulic structures, can solve the problems of poor anti-impact and anti-wear properties, and achieve the advantages of reduced adsorption, excellent durability, and improved durability Effect

Pending Publication Date: 2020-05-12
甘肃土木工程科学研究院有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Based on the above problems, the present invention provides a composite material for impact resistance and wear resistance of hydraulic structures, which is used to solve the problem of poor impact resistance and wear resistance of composite materials for making concrete in the prior art

Method used

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  • Impact-resistant and wear-resistant composite material for hydraulic structure
  • Impact-resistant and wear-resistant composite material for hydraulic structure
  • Impact-resistant and wear-resistant composite material for hydraulic structure

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] P.042.5 25 parts of cement, 2 parts of ultra-fine silica fume, 2 parts of granulated blast furnace slag, 3 parts of secondary fly ash, 60 parts of quartz sand, 5 parts of wear-resistant aggregate, 1 part of high elastic modulus fiber, High-performance water reducing agent 0.5 parts, natural inorganic nano materials 2 parts, nano SiO 2 1 part, 0.1 part of cellulose ether, 0.5 part of press slip agent.

[0031] Among them, the activity index of ultrafine silica fume reaches S105; quartz sand is 20-80 mesh; wear-resistant aggregate is emery or steel jade; the nominal length of high elastic modulus fiber is 3-6mm, and the tensile strength is greater than 1200N / mm 2 The water reduction rate of the high-performance water reducing agent is greater than 30%; the natural inorganic nano-materials are natural minerals and have a layered structure.

[0032] A method for preparing an impact-resistant and wear-resistant composite material for hydraulic structures. The raw materials inclu...

Embodiment 2

[0038] P.042.5 30 parts of cement, 5 parts of superfine silica fume, 5 parts of granulated blast furnace slag, 5 parts of secondary fly ash, 70 parts of quartz sand, 10 parts of wear-resistant aggregate, 5 parts of high elastic modulus fiber, 1 part of high performance water reducing agent, 8 parts of natural inorganic nano material, nano SiO 2 3 parts, 0.5 parts of cellulose ether, 1 part of press smoothing agent.

[0039] Among them, the activity index of ultrafine silica fume reaches S105; quartz sand is 20-80 mesh; wear-resistant aggregate is emery or steel jade; the nominal length of high elastic modulus fiber is 3-6mm, and the tensile strength is greater than 1200N / mm 2 The water reduction rate of the high-performance water reducing agent is greater than 30%; the natural inorganic nano-materials are natural minerals and have a layered structure.

[0040] A method for preparing an impact-resistant and wear-resistant composite material for hydraulic structures. The raw materia...

Embodiment 3

[0042] P.042.5 28 parts of cement, 3 parts of ultra-fine silica fume, 3 parts of granulated blast furnace slag, 4 parts of secondary fly ash, 65 parts of quartz sand, 7 parts of wear-resistant aggregate, 3 parts of high elastic modulus fiber, 0.8 parts of high performance water reducing agent, 5 parts of natural inorganic nano material, nano SiO 2 2 parts, 0.3 parts of cellulose ether, 0.8 parts of press slip agent.

[0043] Among them, the activity index of ultrafine silica fume reaches S105; quartz sand is 20-80 mesh; wear-resistant aggregate is emery or steel jade; the nominal length of high elastic modulus fiber is 3-6mm, and the tensile strength is greater than 1200N / mm 2 The water reduction rate of the high-performance water reducing agent is greater than 30%; the natural inorganic nano-materials are natural minerals and have a layered structure.

[0044] A method for preparing an impact-resistant and wear-resistant composite material for hydraulic buildings. The raw materia...

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Abstract

The invention relates to the technical field of building materials, and concretely relates to an impact-resistant and wear-resistant composite material for a hydraulic structure. The composite material is used for solving the problem of poorer impact resistance and wear resistance of a composite material for manufacturing concrete in the prior art. The composite material comprises 25-30 parts of P.042.5 cement, 2-5 parts of ultrafine silicon powder, 2-5 parts of granulated blast furnace slag, 3-5 parts of secondary fly ash, 60-70 parts of quartz sands, 5-10 parts of wear-resistant aggregate, 1-5 parts of a high-elastic modulus fiber, 0.5-1 part of a high-performance water reducing agent, 2-8 parts of a natural inorganic nano-material, 1-3 parts of nano-SiO2, 0.1-0.5 part of cellulose etherand 0.5-1 part of a pressing and smearing slipping agent. The composite material prepared from the components has effectively improved impact resistance and wear resistance, and has the properties ofwater resistance, seepage resistance, corrosion resistance, high fatigue resistance and the like.

Description

Technical field [0001] The invention relates to the technical field of building materials, and more specifically to an impact-resistant and wear-resistant composite material for hydraulic structures. Background technique [0002] At present, my country is the country with the largest number of dams built in the world, but because the rivers in our country contain a large amount of sediment, gravel, etc., high-speed, sand-bearing, and bed-loaded water flow makes 70% of the dam discharge structures in operation in my country exist. Different degrees of erosion and damage problems, and some are even very serious, have caused great losses to economic and social development. [0003] With the development of water conservancy and hydropower, high-head and large-flow hydraulic structures are an inevitable trend. The erosion of buildings will become more and more prominent. This will become a thorny problem in the design, construction, operation and management of hydraulic structures. The ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/04C04B111/20C04B111/74
CPCC04B28/04C04B2111/00284C04B2111/2015C04B2111/74C04B2201/52C04B14/062C04B18/142C04B18/08C04B14/06C04B2103/302C04B14/324C04B14/303C04B20/0048C04B24/383C04B14/00C04B2103/0068
Inventor 苏富赟白永昇董红健马灵会蔺周徐芬
Owner 甘肃土木工程科学研究院有限公司
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