掺杂氧化铋混凝土的辐射屏蔽效果研究及其优化

张晓文; 姚娅; 易成; 李密; 杨蓉; 蒋天娇; 杨升

doi:10.11889/j.0253-3219.2017.hjs.40.060201

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掺杂氧化铋混凝土的辐射屏蔽效果研究及其优化

低能加速器技术、射线技术及应用 | 更新时间：2021-05-19

- 掺杂氧化铋混凝土的辐射屏蔽效果研究及其优化
- Radiation shielding efficiency and optimization of concrete incorporated with bismuth oxide
- 核技术 2017年40卷第6期文章编号：060201
- 作者机构：
  
  1.南华大学放射性三废处理与处置重点实验室衡阳 421001
  2.南华大学环境保护与安全工程学院衡阳 421001
  3.万马联合控股集团有限公司杭州 310018
- 作者简介：
  
  [ "张晓文, 男, 1967年出生, 2010年于湖南大学获博士学位, 主要从事放射性三废处理与处置研究", "ZHANG Xiaowen, male, born in 1967, graduated from Hunan University with a doctoral degree in 2010, mainly engaged in the research of treatment and disposal of radioactive wastes" ]
- 基金信息：
  
  国家自然科学基金(51404141);国家自然科学基金(51074093);国家自然科学基金(U1401231);湖南省教育厅科技计划项目(15C1170)
- DOI：10.11889/j.0253-3219.2017.hjs.40.060201
  中图分类号： TL344
- 收稿日期：2017-01-20，
  
  修回日期：2017-01-20，
  
  纸质出版日期：2017-06-10
- 稿件说明：
移动端阅览
张晓文, 姚娅, 易成, 等. 掺杂氧化铋混凝土的辐射屏蔽效果研究及其优化[J]. 核技术, 2017,40(6):060201

Xiaowen ZHANG, Ya YAO, Cheng YI, et al. Radiation shielding efficiency and optimization of concrete incorporated with bismuth oxide[J]. Nuclear techniques, 2017, 40(6): 060201
张晓文, 姚娅, 易成, 等. 掺杂氧化铋混凝土的辐射屏蔽效果研究及其优化[J]. 核技术, 2017,40(6):060201 DOI： 10.11889/j.0253-3219.2017.hjs.40.060201.

Xiaowen ZHANG, Ya YAO, Cheng YI, et al. Radiation shielding efficiency and optimization of concrete incorporated with bismuth oxide[J]. Nuclear techniques, 2017, 40(6): 060201 DOI： 10.11889/j.0253-3219.2017.hjs.40.060201.

摘要

将氧化铋以粉末形式添加到普通混凝土中，制备出绿色无污染且具有良好的g射线屏蔽性能的掺杂氧化铋的混凝土。相较于普通混凝土，氧化铋-混凝土的屏蔽性能及力学性能均得到改善。对比屏蔽性能实验结果及MCNP5（Monte Carlo N-Particle 5）模拟结果，二者相符很好，可以用MCNP5进行后期配合比设计优化。运用田口方法对水泥量、水胶比、氧化铋比例及砂率等进行优化设计。结果表明，对氧化铋-混凝土屏蔽能力影响最大的参数是氧化铋的加入量，其次为水泥量，水胶比及砂率的影响可忽略。

Abstract

Background

To enhance the shielding properties of concrete mixtures

there is a tendency toward using various additives while most of these additives being used either pose hygiene hazards or require special handling processes.

Purpose

To ensure the concretes being environmentally friendly and providing sufficient gamma ray radiation shielding efficiency

-loaded concrete mixtures are researched and optimized.

Methods

Both experimental and theoretical methods were used to calculate the linear attenuation coefficient before using the Taguchi method to optimize concrete's mix proportion which includes cement quantity

water-to-cementitious material ratio

rate and sand ratio.

Results

The shielding abilities and mechanical properties of Bi

-loaded concretes were improved compared with ordinary concrete. There was small inconsistency between results obtained by MCNP5 (Monte Carlo N-Particle 5) program and experiment.

Conclusion

It was suggested in the study that the most important parameter affecting the attenuation of the concrete's radiation is the Bi

rate while cement quantity is the following factors

and the effects of water-to-cementitious material ratio and sand ratio are negligible.

关键词

Keywords

references

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