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本文主要介绍1982年7月在甘肃永登黄土地层进行的160吨(TNT)爆破的土氡振动效应情况。观测到黄土地区爆破土氡具有显著的振动效应,各观测点出现的变化具有下列五点特征:(1)变化的普遍性;(2)变化形态的相似性;(3)空间展布的不均匀性;(4)时间上的突发性;(5)变化幅度随距离增长的衰减性。文中还对各种变化特征及有关的机制进行了初步的分析和讨论。
This paper mainly introduces the soil radon vibration effect of 160 tons (TNT) blasting in Yongding loess formation in July 1982. It is observed that there are significant vibration effects of radon in blasting soil in the loess area. The changes in each observation point have the following five characteristics: (1) the universality of the change; (2) the similarity of the change patterns; (3) Uniformity; (4) Suddenness in time; (5) Decay of increasing amplitude with increasing distance. The article also made a preliminary analysis and discussion on various characteristics of the changes and related mechanisms.