High-performance radiation-shielding concrete material

Abstract

The invention relates to a high-performance radiation-shielding concrete material which belongs to the technical field of building materials. The high-performance radiation-shielding concrete material is characterized by being prepared by mixing silicate cement, rock aggregate enriched in crystal water, water, and the like. The radiation-shielding concrete adopts rocks enriched in crystal water as coarse and fine aggregates of the concrete, wherein the crystal water content range is 6-14 percent, therefore, the radiation-shielding concrete has higher crystal water content (the water content is 13.7 percent by weight) and better neutron shielding capacity. By changing the density of the radiation-shielding concrete, shielding concrete for shielding neutron rays, shielding concrete for shielding Gamma rays and shield concrete for shielding the neutron rays and the Gamma rays simultaneously can be prepared. The invention has the effects and advantages that: the problems of overlarge cement consumption of the common concrete and poor durability of the high-performance concrete are solved. The radiation-shielding concrete is suitable for manufacturing inner and outer shells of a nuclear reactor and solidification process of nuclear wastes.

Description

technical field [0001] The invention belongs to the technical field of building materials, and relates to high-performance radiation shielding concrete materials, in particular to making inner shells of nuclear reactors and curing treatment of nuclear waste. Background technique [0002] In order to prevent radiation from harming the human body, protective bodies must be installed when building buildings with radiation sources. Cement concrete is currently the most widely used radiation protection material, mainly used to make the inner shell of nuclear reactors and solidify nuclear waste. The current safety issues of nuclear technology mainly include two aspects, one is how to improve the radiation shielding performance of radiation-proof concrete; the other is how to safely dispose of the increasing nuclear waste. [0003] Radiation-resistant concrete generally prevents α, β, γ, X-rays and neutron flow. Due to the low penetrability of α and β rays, they are easily absorb...

AI Technical Summary

Problems solved by technology

Solve the problems of excessive cement consumption in ordinary concrete and poor durability of high-performance concrete