Anti-radiation concrete and preparation method thereof

A concrete and anti-radiation technology, which is applied in the field of concrete processing, can solve the problems of reduced mechanical properties of concrete, which is not conducive to the stability of construction projects, etc., and achieve the effect of improving mechanical properties, improving mechanical properties, and reducing the amount of addition

Inactive Publication Date: 2020-11-03
北京怀建混凝土有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the amount added is too much, the mechanical properties of the concrete will be reduced, which is not conducive to the stability of the construction project.

Method used

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  • Anti-radiation concrete and preparation method thereof
  • Anti-radiation concrete and preparation method thereof

Examples

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Comparison scheme
Effect test

preparation example 1

[0070] Pretreatment of basalt fiber: put the basalt fiber into an oven, control the temperature at 200°C and heat for 2.5 hours, take it out and cool it, place the cooled basalt fiber in ethyl acetate solution, as long as the basalt fiber is completely submerged, soak 1h, after soaking is completed, take out and wash with water and dry to obtain pretreated basalt fiber;

[0071] Pretreatment basalt modification: using absolute ethanol as a solvent, adding a modifier to the absolute ethanol solvent, the concentration of the added modifier is 1% of the solvent, stirring evenly to obtain a mixture a;

[0072] Add the pretreated basalt fiber into the mixture a, control the bath ratio to 1:3, soak for 1 hour, take out the soaked basalt fiber, dry it, and cool naturally to prepare the modified basalt fiber.

preparation example 2

[0074] Basalt fiber pretreatment: put the basalt fiber into the oven, control the temperature at 230°C and heat for 2 hours, take it out and cool it, put the cooled basalt fiber in ethyl acetate solution, and soak for 1 hour as long as it is completely submerged in the basalt fiber , after soaking, take out and wash with water and dry to prepare pretreated basalt fiber;

[0075] Pretreatment basalt modification: using absolute ethanol as a solvent, adding a modifier to the absolute ethanol solvent, the concentration of the added modifier is 1% of the solvent, and then stirring evenly to obtain a mixture a;

[0076] Add the pretreated basalt fiber into the mixture a, control the bath ratio to 1:4, soak for 1.5h, take out the soaked basalt fiber, dry, and cool naturally to obtain the modified basalt fiber.

preparation example 3

[0078] Basalt fiber pretreatment: put the basalt fiber into the oven, control the temperature at 260°C and heat for 1.5 hours, take it out and cool it, put the cooled basalt fiber in ethyl acetate solution, subject to the fact that the basalt fiber is completely covered, soak 1h, after soaking is completed, take out and wash with water and dry to obtain pretreated basalt fiber;

[0079] Pretreatment basalt modification: using absolute ethanol as a solvent, adding a modifier to the absolute ethanol solvent, the concentration of the added modifier is 1% of the solvent, and then stirring evenly to obtain a mixture a;

[0080] Add the pretreated basalt fiber into the mixture a, control the bath ratio to 1:5, soak for 2 hours, take out the soaked basalt fiber, dry, and cool naturally to obtain the modified basalt fiber.

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Abstract

The invention discloses anti-radiation concrete and a preparation method thereof. The anti-radiation concrete is prepared from the following raw materials in parts by weight: 220-280 parts of cement;30-50 parts of mineral powder; 40-80 parts of fly ash; 1350-1400 parts of a heavy aggregate; 525-575 parts of a lightweight aggregate; 30-40 parts of a fiber additive; 25-35 parts of an expanding agent; 5-8 parts of a water reducing agent; 150-200 parts of water. The heavy aggregate is barite and heavy crystal sand, the light aggregate is basalt, the fiber additive comprises basalt fibers and titanium fibers, and the ratio of the basalt fibers to the titanium fibers is 1:(1-1.5). The anti-radiation concrete has the advantages that the volume weight is reduced, the mechanical property and the construction property are improved and the cost is reduced under the condition that the anti-radiation effect is guaranteed; in addition, the invention further provides a preparation method of the anti-radiation concrete, and the prepared concrete has excellent comprehensive performance.

Description

technical field [0001] The invention relates to the technical field of concrete processing, more specifically, it relates to a radiation-proof concrete and a preparation method thereof. Background technique [0002] Radiation exists in the entire universe. Radiation sources include natural radiation and artificial radiation. Natural radiation includes cosmic rays, gamma rays, radon, and alpha particle rays in the environment. Artificial radiation is used in nuclear power, military, education, scientific research, and medical treatment. The produced α, β, γ, X and neutron rays and other rays, long-term exposure to these rays can induce cancer, leukemia and multiple myeloid cancer, malignant tumors, thyroid dysfunction, infertility, miscarriage and birth defects It can also induce plant gene mutation and endanger the growth of crops. [0003] In order to prevent various rays in the environment from harming the human body, when building buildings with radiation sources, it is ...

Claims

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Application Information

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IPC IPC(8): C04B28/04C04B20/10C04B14/46C04B20/04C04B20/02
CPCC04B20/1025C04B28/04C04B40/0039C04B2111/00025C04B2201/20C04B2201/50C04B14/4637C04B20/04C04B20/023C04B18/141C04B18/08C04B14/368C04B14/14C04B14/34C04B2103/302C04B2103/0068C04B22/002
Inventor 黄大华
Owner 北京怀建混凝土有限责任公司
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