Concrete and preparation method thereof
A technology of concrete and mixed fibers, which is applied in the field of building materials, can solve problems such as poor impact resistance, brittle fracture, and limited impact resistance of concrete, and achieve excellent impact resistance, improved impact resistance, and scientific and reasonable raw material formulations Effect
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0023] A concrete is prepared by mixing the following materials in parts by weight, including: 100 parts of cement, 180 parts of water, 680 parts of aggregate, 10 parts of mixed fiber, 3 parts of admixture and 10 parts of admixture.
[0024] The mixed fiber is made by mixing thatch grass, carbon fiber and PVA fiber in a weight ratio of 1:1:1.
[0025] The aggregate components and parts by weight are: 480 parts of gravel, 100 parts of coarse sand, 80 parts of fine sand, and 20 parts of gravel.
[0026] The particle size of the gravel is 15mm, the particle size of the coarse sand is 0.8mm, the particle size of the fine sand is 0.4mm, and the particle size of the gravel is 5mm.
[0027] The components and parts by weight of the admixture are: 0.2 part of water reducer, 0.09 part of setting retarder, and 0.012 part of air-entraining agent.
[0028] The water reducing agent is melamine resin, the setting retarder is citric acid, and the air-entraining agent is rosin resin.
[002...
Embodiment 2
[0037] A concrete is prepared by mixing the following materials in parts by weight, including: 150 parts of cement, 150 parts of water, 650 parts of aggregate, 8 parts of mixed fiber, 2 parts of admixture, and 12 parts of admixture.
[0038] The mixed fiber is made by mixing thatch grass, carbon fiber and PVA fiber in a weight ratio of 1:1:1.
[0039] The aggregate components and parts by weight are: 450 parts of gravel, 150 parts of coarse sand, 50 parts of fine sand, and 30 parts of gravel.
[0040] Preferably, the crushed stone has a particle size of 20 mm, the coarse sand has a particle size of 1.2 mm, the fine sand has a particle size of 0.5 mm, and the gravel has a particle size of 8 mm.
[0041] The components and parts by weight of the admixture are: 0.3 part of water reducer, 0.08 part of setting retarder, and 0.01 part of air-entraining agent.
[0042] The water reducing agent is melamine resin, the setting retarder is citric acid, and the air-entraining agent is ro...
Embodiment 3
[0051] A concrete is prepared by mixing the following materials in parts by weight, including: 130 parts of cement, 200 parts of water, 720 parts of aggregate, 12 parts of mixed fiber, 5 parts of admixture, and 15 parts of admixture.
[0052] The mixed fiber is made by mixing thatch grass, carbon fiber and PVA fiber in a weight ratio of 1:1:1.
[0053] The aggregate components and parts by weight are: 500 parts of gravel, 130 parts of coarse sand, 100 parts of fine sand, and 25 parts of gravel.
[0054] Preferably, the crushed stone has a particle size of 25 mm, the coarse sand has a particle size of 1.5 mm, the fine sand has a particle size of 0.6 mm, and the gravel has a particle size of 10 mm.
[0055] The components and parts by weight of the admixture are: 0.25 part of water reducer, 0.1 part of setting retarder, and 0.01 part of air-entraining agent.
[0056] The water reducing agent is melamine resin, the setting retarder is citric acid, and the air-entraining agent is...
PUM
| Property | Measurement | Unit |
|---|---|---|
| particle diameter | aaaaa | aaaaa |
| particle diameter | aaaaa | aaaaa |
| particle diameter | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
Login to View More