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《Seismology and Geology》 1988-02
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AN EXPERIMENTAL STUDY ON THE CHARACTERISTICS OF ELASTIC WAVE PROPAGATION IN MARBLE SPECIMEN UNDER TRUE TRIAXIAL COMPRESSION

Hua Pei-zhong, Xu Zhao-yong, Li Pei-lin and Han Ming(Seismologica1 Bureau of Yunnan Province)  
An experimental study on the travel time, magnitude and attenuation characteristics of elastic wave propagating along σ2(x direction)and σ3 (y direction) in marble specimen has been carried out using a true triaxial (σ1σ2σ3) compression apparatus. With increasing stress the travel time t and magnitude A of the first peak of P wave decrease, on the contrary while along the y direction it gives a completely opposite result. Starting from 95% of failure strength along both directions t increases rapidly, but A decreases and the attenuation coefficient K of wave magnitude also decreases. This phenomenon is considered as a characteristic change of the fracturing forerunners under true triaxial compression. For the I way of applying stress to the specimen the differential stress at the moment of rapid increase of t value is lower than that for the I way.
【Fund】: 地震学联合基金
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【Citations】
Chinese Journal Full-text Database 6 Hits
1 Yao Xiao-xin Geng Nai-guang Chen Yong (Institute of Geophysics, State Seismological Bureau);THE EFFECT OF STRESS PATH ON BRITTLENESS AND DUCTILITY OF ROCKS[J];Chinese Journal of Geophysics;1980-03
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【Co-citations】
Chinese Journal Full-text Database 10 Hits
1 Tang Minglin Yu Jiung Seismological Beismological Bureau of Liaoning Province;RESEARCHES OF THE AMPLITUDE RATIO ANOMALY OF SEISMIC WAVE IN THE SEISMOGENIC ZONE[J];Seismological Research of Northeast China;1990-04
2 Geng Naiguang Li Jihan Hao Jinsheng Liu Xiaohong Fang Yaru Cai Daien(Institute of Geophysics, State Seismological Bureau);PRECURSORY DEFORMATION AND STRESS DROP IN RUPTURE EXPERIMENTS OF BRITTLE ROCKS[J];Earthquake;1986-01
3 Wang Baosheng Xu Xiuqin Yan Shurong Liu Tianchang Ma Jin(Institute of Geology, Stale Seismological Bureau);LABORATORY STUDIES ON UNSTABLE DEFORMATION OF NATURAL GOUGES[J];Earthquake;1986-01
4 Zhang Guoming Zhang Yongxian(Center for Analysis and Prediction,SSB)Shi Yaolin (Graduate School, Academia Sinica);NUMERICAL SIMULATION OF COMPLEXITY OF EARTHQUAKE PRECURSORS[J];Earthquake;1994-01
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China Proceedings of conference Full-text Database 1 Hits
1 Chen Bing and Lou Zhiwen1) The Second Crusted Deformation Monitering Center, China Seismological Bureau, Xi'an 710054,China 2) Architectural Engineering and Mechanics College, Xi'an Jiaotong University, 710049, China;THEORY RESEARCH OF THE RELATIONSHIP BETWEEN STRESS-DAMAGE COUPLING EFFECT AND VARIATION OF CRUSTAL GRAVITY FIELD DURING SEISMOGENIC PROCESS[A];[C];1999
【Secondary Citations】
Chinese Journal Full-text Database 10 Hits
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