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jian zhu cai liao dui shi nei ji liang lv de gong xian
Author(s): 
Pages: 132-135
Year: Issue:  2
Journal: Radiation Protection

Keyword:  建筑材料放射性室内γ辐射剂量率;
Abstract: 在一幢砖混结构楼房建造过程中,实验测定了各层楼房地面、墙体和混凝土预制板等各部分建材对室内γ空气吸收剂量率的贡献。实测结果表明,由建材产生的室内γ剂量率主要来源于砖墙和地面,其它部分建材的贡献很小。对本文所介绍的这类墙体厚度为24cm左右的砖混结构楼房,按4π-无限厚介质模式计算室内γ空气吸收剂量率时,应乘以数值为0.52的系数进行修正。
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