基于微渗漏机制的甲烷氡气异常特征及其在煤矿隐蔽致灾因素勘探中的意义

贺会策, 孙春岩, 唐侥, 张宗庆, 冶北北, 赵浩, 王栋琳

Methane and radon anomaly characteristics derived based on the microleakage mechanism and their implications for the exploration of hidden disaster-causing factors in coal mines

HE Hui-Ce, SUN Chun-Yan, TANG Yao, ZHANG Zong-Qing, YE Bei-Bei, ZHAO Hao, Wang Dong-Lin

表4 土壤氡气异常下限及浓度分带计算和实际划分值

Table 4 Lower limit of anomaly and concentration zoning calculation and actual partition values

背景值/(Bq·m-3) 异常下限/(Bq·m-3) 外带异常/(Bq·m-3) 中带异常/(Bq·m-3) 内带异常/(Bq·m-3) 计算值 4406.43 9275.68 9275.68~14151.36 14151.36~19027.04 ≥19027.04 使用值 4400.00 9000.00 9000.00~14000.00 14000.00~19000.00 ≥19000.00