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High-bending-resistance concrete

A concrete, high flexural resistance technology, applied in the field of building materials, can solve the problems of low tensile strength, low flexural strength, poor impact resistance, affecting project quality, etc., and achieve the effects of low price, low cost and simple production process

Inactive Publication Date: 2017-01-11
GUILIN XINYI REFRIGERATION EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Existing concrete materials generally have low tensile strength, low flexural strength, and poor impact resistance, which cannot meet the needs of some special construction fields; at the same time, existing concrete materials are more common in the process of mass concrete construction. Affected the quality of the project

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] The high-bending concrete of this embodiment is made of the following raw materials in parts by weight: 200 parts of cement, 200 parts of crushed stone, 200 parts of zeolite powder, 40 parts of fly ash, 5 parts of water reducing agent, and 9 parts of cellulose fiber part and 250 parts of water, wherein, the index number of the cement is 32.5, the particle diameter of the fly ash is 30-50 μm, the water reducer is ferric oxide, and the average length of the cellulose fiber is 1.8mm, the nominal diameter is 13 ~ 18μm.

Embodiment 2

[0019] The high-bending concrete of this embodiment is made of the following raw materials in parts by weight: 300 parts of cement, 150 parts of gravel, 300 parts of zeolite powder, 30 parts of fly ash, 10 parts of water reducing agent, 6 parts of cellulose fiber parts, 15 parts of defoamer and 300 parts of water, wherein, the index number of the cement is 42.5, the particle size of the fly ash is 30-50 μm, and the water reducer is 5 parts of dihydrogen phosphate and 5 parts monohydrogen phosphate, the average length of the cellulose fibers is 1.8 mm, and the nominal diameter is 13-18 μm.

Embodiment 3

[0021] The high-bending concrete of this embodiment is made of the following raw materials in parts by weight: 400 parts of cement, 100 parts of gravel, 400 parts of zeolite powder, 20 parts of fly ash, 15 parts of water reducer, 3 parts of cellulose fiber 350 parts and 350 parts of water, wherein, the index number of the cement is 32.5, the particle size of the fly ash is 30-50 μm, and the water reducing agent is 5 parts of ferric oxide, 5 parts of dihydrogen phosphate, 5 parts of monohydrogen phosphate, 5 parts of tartaric acid, and 5 parts of aminotrimethylene phosphoric acid, the average length of the cellulose fibers is 1.8 mm, and the nominal diameter is 13-18 μm.

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Abstract

The invention discloses a high-bending-resistance concrete, belonging to the technical field of building materials. The high-bending-resistance concrete is prepared from the following raw materials in parts by weight: 200-400 parts of cement, 100-200 parts of macadam, 200-400 parts of zeolite powder, 20-40 parts of fly ash, 5-15 parts of water reducing agent, 3-9 parts of cellulose fiber and 250-350 parts of water. The high-bending-resistance concrete has the advantages of favorable bending resistance, favorable tensile resistance, favorable crack resistance, abundant raw materials, low price, simple production technique and low cost, and is suitable for large-scale production.

Description

technical field [0001] The invention relates to high flexural-resistant concrete, which belongs to the technical field of building materials. Background technique [0002] Concrete, referred to as "concrete" for short, usually refers to using cement as the cementitious material, sand and stone as the aggregate, mixed with water in a certain proportion, and mixed. Concrete has the characteristics of rich raw materials, low price and simple production process, which makes it widely used. It is not only used in various civil engineering, but also in shipbuilding, machinery industry, marine development, geothermal engineering, etc. Concrete is also an important material . [0003] Existing concrete materials generally have low tensile strength, low flexural strength, and poor impact resistance, which cannot meet the needs of some special construction fields; at the same time, existing concrete materials are more common in the process of mass concrete construction. affect the q...

Claims

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Application Information

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IPC IPC(8): C04B28/00C04B111/34
CPCC04B28/00C04B2111/343C04B2201/20C04B14/02C04B14/047C04B18/08C04B24/383C04B22/002C04B14/308C04B22/16C04B24/06C04B24/124C04B2103/50
Inventor 陆应生王君
Owner GUILIN XINYI REFRIGERATION EQUIP
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