| 岩石的双剪摩擦及震源时间函数的实验研究 |
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| 引用本文： | 施行觉,郭自强,赵冬林,谢端.岩石的双剪摩擦及震源时间函数的实验研究[J].西北地震学报,1992,14(4):11-16. |
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| 作者姓名： | 施行觉 郭自强 赵冬林 谢端 |
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| 作者单位： | 中国科学技术大学 合肥
(施行觉，郭自强，赵冬林)，中国科学技术大学 合肥(谢端) |
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| 摘 要： | 本文介绍了岩石的双剪摩擦滑动实验。在实验宁测量了不同正应力条件下的粘滑应力降和位移值,求出了静、动摩擦系数;用瞬态波形存储器记录了粘滑过程中位移随时间的变化曲线,得出了震源时间函数,它的形状与布隆提出的震源时间函数极为相似,两者皆以指数形式下降,它的数值与野外实测结果大致相近。为验证实验数据的准确性,本文还对粘滑的理想模型进行了分析和计界。理论、实验和野外观测的结果大体一致。
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| 关 键 词： | 岩石 摩擦滑动 震源 时间函数 |
| 收稿时间： | 1992/2/11 0:00:00 |
DOUBLE SHEAR EXPERIMENT OF ROCKS AND STUDY OF SEISMIC SOURCE-TIME FUNCTION |
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| Shi Xingjue,Guo Ziqiang,Zhao Donglin and Xie Duan.DOUBLE SHEAR EXPERIMENT OF ROCKS AND STUDY OF SEISMIC SOURCE-TIME FUNCTION[J].Northwestern Seismological Journal,1992,14(4):11-16. |
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| Authors: | Shi Xingjue Guo Ziqiang Zhao Donglin and Xie Duan |
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| Institution: | University of Science and Technology of China, Hefei,University of Science and Technology of China, Hefei,University of Science and Technology of China, Hefei and University of Science and Technology of China, Hefei |
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| Abstract: | The stress drop and displacement during stick-slip under different normal stresses are measured in doublc.shear experiment. The coefficient of static and dynamic friction are obtained. The displacement-time curve during stick-slip is recorded by the instant wave recorder, then the seismic source time function is deduced, It''s shape is similar to Brunet''s time function,both decline as exponential function, it''s Value is close to the site value measured in field. In order to make sure the experiment data reliable, the theory model of stick-slip is briefly analysed and calculated. The data obtained from laboratory, theory and field observation can be consistent with each other. |
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