Concrete material and preparation method thereof

A technology of concrete and fine aggregate, which is applied in the field of building materials to achieve the effects of reducing self-drying shrinkage, improving abrasion resistance and improving volume stability

Inactive Publication Date: 2015-01-21
NORTH CHINA UNIV OF WATER RESOURCES & ELECTRIC POWER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

One of the main problems of high-performance cement concrete is the long-term durability problem. With the increasingly prominent problems of resources and energy, the relationship between the life process of high-performance cement concrete and the res

Method used

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  • Concrete material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] A concrete material, including the following components: cement, fine aggregate, coarse aggregate, fly ash, silica fume, carbon nanotubes, nano silicon dioxide, ceramsite, polyphenylene particles, steel fibers, nano kaolin particles, Ultrafine natural zeolite powder, gypsum, polymer emulsion, glycol compound, modified lignosulfonate, sheet silicate mineral material, polysiloxane, oxalic acid, styrene-acrylic emulsion, crystalline hydrated magnesium Aluminosilicate minerals, water, superplasticizer, barium-containing naphthalene-based high-efficiency water reducer, organic polymer plastic retainer, composite retarder and air-entraining agent;

[0041] The ratio of the parts by weight of the above-mentioned components is: 100: 120: 180: 30: 45: 0.03: 12: 20: 2: 1: 8: 10: 8: 10: 2: 1.5: 0.2: 0.01: 1: 0.8 :0.8:50:1.2:0.8:0.2:0.18:0.02;

[0042] Among them, the fine aggregate is natural sand, the coarse aggregate is flaky granite, the carbon nanotubes are multi-walled carbo...

Embodiment 2

[0049] The various components used in this concrete material are exactly the same as in Example 1, and the ratio of parts by weight of these components is: 100: 130: 150: 50: 30: 0.06: 8: 30: 1: 1.5: 3: 15 :5:15:1.5:2:0.1:0.02:0.5:1.2:0.5:80:0.8:1.2:0.15:0.25:0.01.

Embodiment 3

[0051] The various components used in this concrete material are exactly the same as in Example 1, and the ratio of parts by weight of these components is: 100: 1205: 160: 40: 40: 0.035: 10: 25: 1.5: 1.3: 5: 12 :6:13:1.8:1.7:0.15:0.015:0.7:1.0:0.6:70:1.0:1.0:0.18:0.20:0.015.

[0052] The method for preparing the concrete material in the foregoing embodiment may further comprise the steps:

[0053] 1) taking the components of the above-mentioned concrete material in the proportion;

[0054] 2) Nano-kaolin particles, superfine natural zeolite powder, gypsum, polymer emulsion, glycol compounds, modified lignin sulfonate, sheet silicate mineral material, polysiloxane , oxalic acid, styrene-acrylic emulsion, and crystalline hydrated magnesium aluminum silicate minerals are put into a stirring container, and stirred at a speed of 500r / min to 800r / min for 20 to 40min, and half the proportion of water is added while stirring, and finally stirred uniform;

[0055] 3) Pour the cement...

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Abstract

The invention provides a concrete material, comprising the following components with corresponding proportions: cement, fine aggregate, coarse aggregate, fly ash, silica fume, carbon nanotube, nano silica, ceramsite, polyphenyl particles, steel fibers, nano kaolin particles, ultrafine natural zeolite powder, gypsum, polymer emulsion, a diol compound, modified lignosulfonate, a layered silicate mineral material, polysiloxane, oxalic acid, styrene acrylic emulsion, crystalline hydrated magnesium aluminum silicate minerals, water, a super plasticizer, a barium-containing naphthalene superplasticizer, an organic polymer plastic retaining agent, a composite retarder and an air entraining agent. The invention further relates to a preparation method of the concrete material. Compared with the existing concrete, various properties of the concrete material provided by the invention are greatly improved. The concrete material has a wide application range, a significant practical engineering value and remarkable technical and economic significance.

Description

technical field [0001] The invention belongs to the field of building materials in civil engineering, and in particular relates to a concrete material and a preparation method thereof. Background technique [0002] In order to realize the sustainable development of human beings, building energy conservation has become an important part of social development. Under the conditions of improving human health and comfort, effective use of energy, rational use of resources, reduction of greenhouse gas emissions, and protection of human living environment have become increasingly important. Become a common code of action for the construction industry of various countries. Energy is a global issue that concerns the future and destiny of mankind. In the 21st century, the building energy-saving business in the world shoulders a major historical mission. It is necessary to comprehensively promote building energy-saving, and to study and solve problems in an all-round, multi-disciplinar...

Claims

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Application Information

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IPC IPC(8): C04B28/00C04B14/06C04B14/02C04B24/18C04B24/22C04B24/42
Inventor 韩爱红武宗良
Owner NORTH CHINA UNIV OF WATER RESOURCES & ELECTRIC POWER
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