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Concrete

A concrete and unit technology, applied in the field of concrete, can solve the problems of poor corrosion resistance and easy cracks, and achieve the effect of good comprehensive performance

Inactive Publication Date: 2018-02-23
广西丰达三维科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition to the good toughness index, the high toughness concrete has only a limited improvement in penetration resistance and tensile strength, and is prone to cracks and poor corrosion resistance.

Method used

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preparation example Construction

[0013] The preparation method of described concrete comprises the following steps:

[0014] S1, ingredients: firstly mix cement, sand, stone, water, paper rebar, rice straw, hemp knife, and polypropylene fiber according to the weight ratio to obtain a mixed homogeneous material;

[0015] S2. Modified material: polysulfone resin, poly[(2-oxiranyl)-1,2-cyclohexanediol] 2-ethyl-2-( Mix hydroxymethyl)-1,3-propanediol ether, SJ-101 resin, polyphenol novolac, and zinc trimerized acrylate according to the weight ratio, stir for 4-6min, then raise the temperature to 85-92°C rapidly, and the stirring modification time For 15-30min, the modified material is obtained;

[0016] S3. Stirring: add the mixed homogeneous material prepared in step S1 into water in parts by weight, stir for 8-10 minutes, then add the modified material prepared in step S2, and stir for another 10-15 minutes to prepare concrete.

Embodiment 1

[0019] A kind of concrete, by weight, comprises following raw material: 122 parts of cement, 25 parts of sand, 20 parts of stone, 250 parts of water, 16 parts of paper tendon, 18 parts of rice straw, 12 parts of hemp knife, 8 parts of polypropylene fiber, 4 parts of polyphenol novolac, 12 parts of polysulfone resin, poly[(2-oxiranyl)-1,2-cyclohexanediol] 2-ethyl-2-(hydroxymethyl)-1,3- 6 parts of propylene glycol ether, 8 parts of SJ-101 resin, 3 parts of zinc trimer acrylate;

[0020] The preparation method of described concrete comprises the following steps:

[0021] S1, ingredients: firstly mix cement, sand, stone, water, paper rebar, rice straw, hemp knife, and polypropylene fiber according to the weight ratio to obtain a mixed homogeneous material;

[0022] S2. Modified material: Polysulfone resin, poly[(2-oxiranyl)-1,2-cyclohexanediol] 2-ethyl-2-(hydroxymethyl base)-1,3-propanediol ether, SJ-101 resin, polyphenol novolac, and zinc trimerized acrylate were mixed in propo...

Embodiment 2

[0025] A kind of concrete, by weight, comprises following raw material: 140 parts of cement, 28 parts of sand, 25 parts of stone, 350 parts of water, 18 parts of paper tendon, 22 parts of rice straw, 15 parts of hemp knife, 12 parts of polypropylene fiber, 6 parts of polyphenol novolac, 18 parts of polysulfone resin, poly[(2-oxiranyl)-1,2-cyclohexanediol] 2-ethyl-2-(hydroxymethyl)-1,3- 8 parts of propylene glycol ether, 10 parts of SJ-101 resin, 5 parts of zinc trimer acrylate;

[0026] The preparation method of described concrete comprises the following steps:

[0027] S1, ingredients: firstly mix cement, sand, stone, water, paper rebar, rice straw, hemp knife, and polypropylene fiber according to the weight ratio to obtain a mixed homogeneous material;

[0028] S2. Modified material: Polysulfone resin, poly[(2-oxiranyl)-1,2-cyclohexanediol] 2-ethyl-2-(hydroxymethyl base)-1,3-propanediol ether, SJ-101 resin, polyphenol aldehyde, and zinc trimerized acrylate were mixed accor...

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Abstract

The invention discloses a concrete, which belongs to the technical field of concrete preparation. The concrete comprises the following raw materials in parts by weight: 140 parts of cement, 28 parts of sand, 25 parts of stone, 350 parts of water, and 18 parts of paper bars , 22 parts of rice straw, 15 parts of hemp knife, 12 parts of polypropylene fiber, 6 parts of polyphenol aldehyde, 18 parts of polysulfone resin, poly[(2-oxirane)-1,2-cyclohexanediol] 2 8 parts of ‑ethyl‑2‑(hydroxymethyl)‑1,3‑propylene glycol ether, 10 parts of SJ‑101 resin, 5 parts of zinc trimeracrylate. The concrete prepared by the invention has high tensile strength and compressive strength, and excellent toughness and corrosion resistance.

Description

【Technical field】 [0001] The invention belongs to the technical field of concrete preparation, and in particular relates to concrete. 【Background technique】 [0002] Concrete is a general term for engineering composite materials in which aggregates are cemented into a whole by cementitious materials. The term concrete usually refers to the cement concrete obtained by using cement as the cementitious material, gravel and fine sand as the aggregate, mixed with water in a certain proportion, and admixtures and admixtures can also be added. Called ordinary concrete, it is widely used in civil engineering. [0003] Most of the existing concrete is made of simple cement, gravel, and fine sand mixed with water. The surface of the concrete produced in this way is prone to cracks, low in tensile strength, poor in corrosion resistance, and poor in toughness. For example, the Chinese patent application document "High Toughness Concrete Formula" (publication number: CN201710091377) di...

Claims

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Application Information

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IPC IPC(8): C04B28/00C04B111/20
CPCC04B28/00C04B2111/20C04B2201/50C04B14/02C04B14/06C04B18/24C04B18/248C04B16/0633C04B24/30C04B24/32C04B24/26C04B24/166
Inventor 陈汝森
Owner 广西丰达三维科技有限公司
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