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A kind of anti-radiation concrete and preparation method thereof

A concrete and anti-radiation technology, applied in the field of concrete, can solve problems such as self-heavy, easy segregation of concrete, poor work performance, etc., and achieve the effects of increased fluidity, increased radiation resistance, and increased strength

Active Publication Date: 2022-03-29
湖州上建混凝土有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of the above-mentioned related technologies, the inventor believes that there is a defect that the above-mentioned mineral materials have a large self-weight, which makes the concrete easy to segregate, resulting in poor working performance

Method used

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  • A kind of anti-radiation concrete and preparation method thereof

Examples

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Comparison scheme
Effect test

Embodiment 1

[0046] A kind of anti-radiation concrete, the concrete includes the following components: 350 parts of cement, 150 parts of fly ash, 10 parts of lead powder, 460 parts of coarse aggregate, 650 parts of fine aggregate, 50 parts of bentonite, 8 parts of water reducer, water 180 copies.

[0047] Coarse aggregates include stones, barite, hematite, and lightweight aggregates with a weight ratio of 1:0.5:0.4:0.25, wherein the lightweight aggregates are pumice and volcanic cinders with a weight ratio of 1:1.

[0048] Fine aggregate includes sand, iron ore powder, and boron glass powder in a weight ratio of 1:0.4:0.2.

[0049] The particle size of lead powder is 15-45μm, the particle size of lightweight aggregate is 5-10mm, the stone, barite, and hematite are continuously graded between 5-31.5mm, and the water reducing agent is polycarboxylate water reducing agent. agent.

[0050] A preparation method of radiation-proof concrete comprises the following steps: mixing cement, fly ash,...

Embodiment 2

[0052] The difference with Example 1 is:

[0053] A kind of anti-radiation concrete, the concrete comprises the following components: 370 parts of cement, 135 parts of fly ash, 22 parts of lead powder, 435 parts of coarse aggregate, 675 parts of fine aggregate, 45 parts of bentonite, 8.5 parts of water reducer, water 175 copies.

[0054] The lightweight aggregate is pumice.

Embodiment 3

[0056] The difference with Example 1 is:

[0057] A kind of anti-radiation concrete, the concrete includes the following components: 390 parts of cement, 120 parts of fly ash, 30 parts of lead powder, 400 parts of coarse aggregate, 700 parts of fine aggregate, 40 parts of bentonite, 9 parts of water reducing agent, water 170 copies.

[0058] The lightweight aggregate is pumice, volcanic slag, and ceramsite with a weight ratio of 1:1.

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Abstract

The present application relates to a kind of radiation-proof concrete, which comprises the following components in parts by weight: 350-390 parts of cement, 120-150 parts of fly ash, 10-30 parts of lead powder, and 400-460 parts of coarse aggregate, 650-700 parts of fine aggregate, 40-50 parts of bentonite, 8-9 parts of water reducing agent, and 170-180 parts of water; the weight ratio of coarse aggregate is 1: (0.4-0.6): (0.2-0.5): ( 0.1-0.4) of stone, barite, hematite, light aggregate; the particle size of lead powder is 15-45 μm; the application has the effect of improving the radiation protection and work performance of concrete; a preparation of radiation protection concrete The method includes the following steps: mixing cement, fly ash, lead powder, fine aggregate, bentonite, water reducing agent and water, and then adding coarse aggregate for mixing.

Description

technical field [0001] The application relates to the field of concrete, in particular to a radiation-proof concrete and a preparation method thereof. Background technique [0002] Concrete refers to the use of cement as the cementitious material, sand and stone as the aggregate, mixed with water (with or without admixtures and admixtures) in a certain proportion, and obtained through stirring, molding and curing. In order to prevent various rays in the environment from harming the human body, when building a building with a radiation source, it is generally necessary to set up radiation-proof materials to shield various ionizing radiation: α, β, γ-rays and neutron rays, and a certain thickness of concrete is sufficient. Block α and β rays, so radiation-proof concrete is mainly aimed at γ-rays and neutron rays. Concrete is the basic material for building body radiation protection. It is mainly used for education, scientific research, medical institutions with radiation sourc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/00C04B111/40
CPCC04B28/00C04B2111/00862C04B2111/40C04B18/08C04B14/06C04B14/02C04B14/104C04B2103/302C04B22/04C04B14/308C04B14/22C04B14/16C04B14/14C04B14/368C04B18/027
Inventor 钱伟民曾启瑞张文彬张涛廖仁镭
Owner 湖州上建混凝土有限公司
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