【摘要】 本文结合在晋城市煤运公司晋化集运站开展测氡工作的一些经验和体会， 对利用测氡法圈定采空区边界的可行性进行了探讨。在现有α杯测氡技术的基础上， 文章论述了采空区上方氡异常特征及确定采空区影响边界的依据和方法技术， 并结合实际分析了测氡法解决煤矿工程问题中的应用效果和局限性。更多还原

【Abstract】 The paper discusses the possibility and technology of measuring Rn to detect coal cavities based on the practical experiment, which is carried on the Jinhua station of the Operating Coal Company in Jincheng City The paper explains the abnormal character of Rn and the method of definiting scale of coal cavity and analyses the method’s advantage and shortcoming which is applied to resolve engineering problems in the mine The instrument uses CD 1 α cup in the experiment \;更多还原