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地电阻率法的台址条件(二)
引用本文:陈有发,丁卉.地电阻率法的台址条件(二)[J].西北地震学报,1986,8(2):64-69.
作者姓名:陈有发  丁卉
作者单位:国家地震局兰州地震研究所 (陈有发),国家地震局兰州地震研究所(丁卉)
摘    要:地电台测区介质的岩体力学条件是地电阻率法台址的重要条件之一。本文根据实测资料和实验结果研究了第四纪浮土层对地电阻率正常变化和地电阻率前兆特征的影响,并对浮土层下伏岩体的物理力学性质与岩体电阻率变化之间的关系作了探讨。由此得到,地电台探测区的岩体力学条件应该是浮土层较薄,下伏小孔隙度(或小裂隙率)的岩体。

收稿时间:1984/1/20 0:00:00

INVESTIGATIONS OF THE CONDITIONS OF UNDERGROUND MEDIUM ASSOCIATED WITH THE OBSERVATION OF THE EARTH RESISTIVITY
Chen Youfa and Ding Hui.INVESTIGATIONS OF THE CONDITIONS OF UNDERGROUND MEDIUM ASSOCIATED WITH THE OBSERVATION OF THE EARTH RESISTIVITY[J].Northwestern Seismological Journal,1986,8(2):64-69.
Authors:Chen Youfa and Ding Hui
Institution:Seismological Institute of Lanzhou, State Seismological Bureau, Lanzhou, China and Seismological Institute of Lanzhou, State Seismological Bureau, Lanzhou, China
Abstract:In this Paper, based on the data of earth resistivity and some measurements of resistivity of rock specimen, the author studied the influence of the thickness of Quarternary over-burden of soil on the normal variations and the precursors of the earth risistivity and the relation is also studied between the mechanical properties and changes of the earth resistivity of the rocks under the Quarternary over-burden soil. The observing station of the earth resistivity must be located at place where the porosity of rocks is low under the thinner Quarternary over-burden soil.
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