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Magnesite concrete

A rhombohedral and concrete technology, applied in the field of concrete, can solve the problems of poor impact toughness, large drying shrinkage, easy cracking, etc., and achieve the effects of strong wear resistance and impact resistance, long service life, and good safety and environmental protection.

Inactive Publication Date: 2015-09-09
芜湖鑫曜建材实业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, concrete still has the disadvantages of poor impact toughness, high brittleness, large drying shrinkage, and easy cracking.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] A kind of magnesite concrete is characterized in that it is made up of the raw material of following weight part:

[0020] 60 magnesite, 10 bentonite, 400 ordinary portland cement, 20 coal gangue, 5 new water reducer, 5 rosin, 600 river sand, 3 magnesium chloride, 50 blast furnace slag, 10 dry carbide slag, sodium lauroyl sarcosinate 1. Bone charcoal 5, water 200, glass powder 5, calcium phosphate 4, ferrous sulfate 1-2, limestone gravel 1100, air-entraining agent 1-1.6, ethylenediaminetetraacetic acid 2;

[0021] The new water reducer is composed of the following raw materials in parts by weight:

[0022] Polycarboxylate superplasticizer 30, sodium fluorosilicate 4, ethylene glycol 0.8, ammonia water 1, silane coupling agent KH560 0.2;

[0023] Mix ethylene glycol and ammonia water, stir evenly to obtain alcohol ammonia solution, add sodium fluorosilicate, keep stirring at 35°C for 20 minutes, add silane coupling agent KH560, stir and disperse at 120 rpm for 6 minutes...

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Abstract

The invention discloses a magnesite concrete which is prepared from the following raw materials in parts by weight: 50-60 parts of magnesite, 320-400 parts of ordinary Portland cement, 6-10 parts of bentonite, 10-20 parts of coal gangue, 5-8 parts of novel water reducing agent, 3-5 parts of rosin, 500-600 parts of river sand, 3-4 parts of magnesium chloride, 30-50 parts of blast-furnace cinder, 5-10 parts of dry carbide slag, 1-2 parts of sodium lauroyl sarcosine, 3-5 parts of bone coal, 170-200 parts of water, 3-5 parts of glass powder, 1-2 parts of ferrous sulfate, 4-6 parts of calcium phosphate, 1000-1100 parts of limestone rubble, 1-1.6 parts of air entraining agent and 1-2 parts of ethylenediamine tetraacetic acid. After the magnesite is mixed in the magnesium chloride solution and mixed with the solution a, the hardness and surface water resistance are effectively enhanced. The concrete has the advantages of high overall quality, high wear resistance, high impact resistance, high hardness, favorable crack resistance, long service life, high safety and environment friendliness.

Description

technical field [0001] The invention mainly relates to the field of concrete, in particular to a magnesite concrete. Background technique [0002] Ordinary concrete is an artificial stone made of cementitious materials, coarse and fine aggregates and water in an appropriate proportion, and then hardened. It has the advantages of easy molding, low energy consumption, good durability and low price, and can be combined with steel to make various load-bearing mechanisms. It is the most widely used building material in contemporary times and plays a very important role in the development of human society. At present, concrete still has disadvantages such as poor impact toughness, high brittleness, large drying shrinkage, and easy cracking. Contents of the invention [0003] The object of the invention is to provide a kind of magnesite concrete. [0004] The present invention is achieved through the following technical solutions: [0005] A kind of magnesite concrete ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/32
Inventor 江跃东
Owner 芜湖鑫曜建材实业有限公司
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