花岗岩氡浓度及居室内氡危害风险评价研究  

Research on Radon Concentration in Granite and Risk Assessment of Indoor Radon Hazards

作　　者：杨彦红 YANG Yanhong(Wuwei Vocational College,Wuwei,Gansu Province,733000 China)

机构地区：[1]武威职业学院,甘肃武威733000

出　　处：《科技资讯》2024年第20期209-211,共3页Science & Technology Information

基　　金：2022年甘肃省教育科技创新项目一“居室内氡浓度与地质背景关系研究”(项目编号:2022B-494)的阶段性研究成果。

摘　　要：在家庭装修中,花岗岩石是深受人们喜爱的装饰石材。花岗岩石是石材中放射性水平较高的岩石,过量使用花岗岩石装修会受到氡辐射的危害。基于此,选择了家庭中常用的7种花岗岩石,使用测氡仪进行室内氡浓度测量,测得平均氡浓度为35.76 Bq/m^(3),经进一步研究发现,花岗岩氡浓度与岩性、地质年代、迁移等因素有关;再对室内氡危害风险进行定量、定性分析,得出室内氡危害公式H=L(人的身体状况)×D(人体内照射剂量)×T(停留时间),为石材厂放射性检测和家庭装修选择提供科学依据。In home decoration,granite is a popular decorative stone.Granite is a rock with high level of radioactiv⁃ity in stone materials.Excessive use of granite rock for decoration will be exposed to the harm of radon radiation.Based on this,7 kinds of granite rocks commonly used in households were selected for indoor radon concentration measurement using a radon meter.The average radon concentration was 35.76 Bq/m^(3),it was found that the radon concentration in granite is related to the factors such as lithology,geological age,migration and so on.Then,a quan⁃titative and qualitative analysis was conducted on the indoor radon hazard risk,it was found that the indoor radon hazard H=L(human body condition)×D(human body irradiation dose)×T(residence time),which provides scien⁃tific basis for radioaction detection in stone factories and home decoration selection.

关 键 词：花岗岩 居室 氡危害 风险评价 

分 类 号：X13[环境科学与工程—环境科学]