A kind of high-strength concrete and its production process

A high-strength concrete and ceramsite technology, applied in the field of concrete, can solve the problems of concrete self-shrinkage cracking, safety hazards, water-cement ratio reduction, etc., and achieve the effect of promoting cement hydration, increasing speed, and reducing impact

Active Publication Date: 2022-06-24
乐陵山水水泥有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of the above-mentioned related technologies, the inventor believes that in the related technologies, in order to increase the strength of concrete, the amount of cement added is chosen to increase, which leads to a decrease in the water-cement ratio in the concrete. Self-shrinking and cracking, which poses a safety hazard

Method used

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  • A kind of high-strength concrete and its production process
  • A kind of high-strength concrete and its production process
  • A kind of high-strength concrete and its production process

Examples

Experimental program
Comparison scheme
Effect test

preparation example 1

[0035] S1, sieve the ceramsite, the particle size of the ceramsite is D 90 = 5mm, mix 10kg of ceramsite with 25kg of soaking water, and obtain water-storing ceramsite after absorbing water for 3 hours;

[0036] S2, the water storage ceramsite is pulled out from the soaking water and mixed with 3kg water-absorbing resin to obtain the water storage material;

[0037] S3, first mix the water storage material with 5kg of unsaturated resin, and then filter and separate the water storage material with the unsaturated resin from the unsaturated resin, so as to obtain the adhesive;

[0038] S4. Mix the adhesive material with 18kg of pressed prismatic steel fibers to obtain a hydrating material.

preparation example 2

[0040] S1, sieve the ceramsite, the particle size of the ceramsite is D 90 =10mm, mix 15kg of ceramsite with 25kg of soaking water, and obtain water-storing ceramsite after the ceramsite absorbs water for 4.5 hours;

[0041] S2, the water storage ceramsite is taken out from the soaking water and mixed with 5kg water-absorbing resin to obtain the water storage material;

[0042] S3, first mix the water storage material with 10kg of unsaturated resin, and then filter and separate the water storage material with the unsaturated resin from the unsaturated resin, so as to obtain the adhesive;

[0043] S4. Mix the binder with 20kg of pressed prismatic steel fibers to obtain a water replenishing material.

preparation example 3

[0045]S1, sieve the ceramsite, the particle size of the ceramsite is D 90 =15mm, mix 20kg of ceramsite with 45kg of soaking water, and obtain water-storing ceramsite after absorbing water for 6h;

[0046] S2, the water storage ceramsite is pulled out from the soaking water and mixed with 7kg of water-absorbent resin to obtain the water storage material;

[0047] S3, first mix the water storage material with 15kg of unsaturated resin, and then filter and separate the water storage material with the unsaturated resin from the unsaturated resin, so as to obtain the binder;

[0048] S4. Mix the adhesive material with 22kg of pressed prismatic steel fibers to obtain a water-replenishing material.

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Abstract

The application relates to the field of concrete, and specifically discloses a high-strength concrete and a production process thereof. A high-strength concrete is prepared from the following raw materials: gravel: 910-1030 parts, sand: 520-620 parts, cement: 385-455 parts, fly ash: 125-155 parts, mixing water: 170-200 parts, admixture : 7 to 15 parts, water replenishing material: 190 to 270 parts, the water replenishing material is bonded by bonding material and steel fiber; its production process is: after mixing gravel and sand, cement and fly ash are made The obtained powder, as well as stirring water, admixtures and water replenishing materials are simultaneously added to the concrete mixing tank for stirring and mixing. A high-strength concrete of the present application has the advantage of effectively reducing concrete self-shrinkage cracking in the process of early strength; in addition, the production process of the present application has the advantages of simple preparation method and easy-to-obtain finished product.

Description

technical field [0001] The present application relates to the field of concrete, and more particularly, to a high-strength concrete and its production process. Background technique [0002] High-strength concrete refers to concrete with a strength grade of C60 and above, which is produced by conventional processes of raw materials such as cement, sand, and stone, plus water-reducing agent or mixture. As an energy-saving, environmentally friendly and green building material, high-strength concrete is widely used in high-rise building structures, long-span bridge structures and some special structures due to its advantages of high compressive strength, strong deformation resistance, high density and low porosity. Applications. [0003] In the related art, the Chinese invention patent application whose publication number is CN105819779A discloses a C60-level high-strength recycled concrete and a preparation method thereof. This C60-level high-strength recycled concrete is form...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/04C04B20/10C04B18/02
CPCC04B28/04C04B20/1033C04B18/027C04B2201/50C04B18/08C04B14/02C04B14/06C04B2103/302C04B14/48C04B24/26C04B2103/44
Inventor 章俊峰宋承瑄张国卫
Owner 乐陵山水水泥有限公司
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