Coal tar modified durable sulfur concrete and preparation method thereof

A sulfur concrete and durability technology, applied in the field of civil engineering materials, can solve the problems of material embrittlement and durability, land occupation by waste, high price and other problems, achieve the best corrosion resistance and permeability resistance, simple preparation, strong The effect of corrosion resistance

Inactive Publication Date: 2020-11-03
INNER MONGOLIA UNIV OF TECH
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Problems solved by technology

[0009] The purpose of the present invention is to provide a durable sulfur concrete modified by coal tar and its preparation method, which solves the durability problems caused by the embrittlement of materials and volume shrinkage caused by the transformation of sulfur solid phase, and solves the general high price of traditional sulfur concrete cost, while solving the problem of waste occupying land and polluting the natural environment

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  • Coal tar modified durable sulfur concrete and preparation method thereof
  • Coal tar modified durable sulfur concrete and preparation method thereof
  • Coal tar modified durable sulfur concrete and preparation method thereof

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Embodiment Construction

[0062] The present invention will be further described below in conjunction with specific embodiments.

[0063] A durable sulfur concrete modified by coal tar, the proportions of each component are as follows:

[0064] Industrial sulfur particles 1080kg, sulfur content ≥ 99.95%, moisture ≤ 2.0%;

[0065] Granular crushed stone 600kg, particle size is 4.75 ~ 20mm;

[0066] 73kg of fly ash is the waste generated by coal combustion in the Ordos area, and the sieve allowance of 45μm square-hole sieve is not more than 12%;

[0067] The granulated blast furnace slag is 41kg, which is the original blast furnace slag of Xuangang, and the apparent density is 2.52g / cm 3 , the fineness modulus is 2.60;

[0068] The quartz sand is 342kg, which is high-quality quartz sand produced in Tongliao, Inner Mongolia, with a particle size of 0.075-0.125mm;

[0069] The waste ceramic fine aggregate is 29kg, which is the fine aggregate obtained by crushing, processing and sieving the waste cerami...

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Abstract

The invention discloses coal tar modified durable sulfur concrete and a preparation method thereof. Each cubic meter of the coal tar modified durable sulfur concrete comprises the following componentsby mass: 1080 kg of industrial sulfur particles; 600 kg of granular crushed stone; 72 kg of fly ash; 41 kg of granulated blast furnace slag; 342 kg of quartz sand; 29 kg of waste ceramic fine aggregate; 24 kg of waste glass micro powder; 36kg of stone chip powder; 36kg of volcanic ash; 65 kg of rubber particles; and 30kg of glass fiber; wherein the mass of the modifier is 1-5% of the mass of theindustrial sulfur particles; the mass of the thickening agent is 0.1-0.5% of the total mass of the sulfur concrete; and the mass of the coupling agent is 0.3-2% of the mass of the industrial sulfur particles. According to the invention, the durability problem caused by material embrittlement and volume shrinkage due to sulfur solid-phase transformation is solved, the cost problem that the traditional sulfur concrete is generally high in price is solved, and the problems that wastes occupy land and pollute the natural environment are also solved.

Description

technical field [0001] The invention belongs to the field of civil engineering materials, in particular to a durable sulfur concrete modified with coal tar and a preparation method thereof. Background technique [0002] Sulfur concrete is a kind of cementitious material that uses sulfur instead of cement. By mixing molten sulfur and heated aggregate, a thermoplastic material with considerable strength can be obtained after cooling, and it can be reused after melting and recasting. Sulfur concrete has the characteristics of good mechanical properties, extremely low water absorption, resistance to penetration, rapid setting, fatigue resistance, excellent corrosion resistance, and can be repeatedly melted and recycled without affecting its strength. Sulfur concrete has been used in temporary building structures such as temporary bridge bearings in the Hailar East Bridge Project in Inner Mongolia, structures such as drainage ditches and sump pits in chemical plants that are expo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/08C04B111/20C04B111/23
CPCC04B28/08C04B2111/20C04B2111/23C04B18/08C04B22/02C04B14/02C04B14/06C04B14/062C04B14/42C04B18/22C04B18/165C04B18/10C04B24/40C04B24/08
Inventor 闫长旺江卓璘张菊刘曙光曹云飞
Owner INNER MONGOLIA UNIV OF TECH
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