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《ACTA SCICENTIARUM NATURALUM UNIVERSITIS PEKINESIS》 2000-02
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The Research of Rock Poroelasticity

SHI\ Ge (Department of Geology,Peking University,Beijing,100871) YANG Dongquan\ YANG Huizhu (Department of Engineering Mechanics of Tsinghua University,Beijing,100084)  
The relation between poroelastic modulus and effective modulus of rock under dry and fluid\|saturated conditions was discussed in this paper.The poroelastic modulus could describe pore effect on elastic behavior of porous media such as rocks.From this,Gassmann equation which was widely used in seismic exploration and petroleum logging was deduced.This equation was based on linear elasticity assumption and could be used only within low frequency.The accurate formula of computing effective pressure was pointed out also.The method was proposed to compute the rock modulus when one kind of pore fluid changed to another,and to identify the pore fluids by the use of poroelastic modulus.
【Fund】: 国家自然科学基金!资助项目(49774239)
【CateGory Index】: P584
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【References】
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1 SHI GE(Department of Geology, Peking University, Beijing)SHEN LIAN-DI(Research Institute of the Science of Petroleum Exploration and Development, Beijing);EVALUATIONS OF THE LITHOLOGICAL CHARACTER AND PHYSICAL PROPERTY OF ROCKS FROM THE RELATION BETWEEN WAVE VELOCITY AND PRESSURE——AN EXPERIMENTAL STUDY[J];Chinese Journal of Geophysics;1990-02
【Co-citations】
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1 SHI Ge(Department of Geology, Peking University, China)HUANG Lianjie (Beijing Computer Center, Ministry of Geology and Mineral Resources, China)SHEN Liandi (Research Institute of Petroleum Prospecting and Development, China);Study of the Relationships among Acoustic Travel-time Differences and Related Parameters of a Medium Using Statistical Analysis Method[J];Acta Scicentiarum Naturalum Universitis Pekinesis;1990-04
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1 LI Xiu-di~1,ZHENG Ying-ren~1,XU Gan-cheng~2(1.Department of Architectural Engineering,Logistical Engineering University, Chongqing 400041,China;2.Air Force Engineering Design and Research Bureau,Beijing 100077,China);Spall Response Analysis of Underground Structures Under Blast Loads[J];Chinese Journal of Underground Space and Engineering;2005-06
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1 ZHU Mingli1,2,ZHU Zhende1,2,LI Gang1,2,QIU Yuhua1,2,CHEN Zhe3,LI Jinwang3 (1. Institute of Geotechnical Engineering,Hohai University,Nanjing,Jiangsu 210098,China;2. Key Laboratory of Ministry of Education for Geomechanics and Embankment Engineering,Hohai University,Nanjing,Jiangsu 210098,China;3. Nanjing Engineering Investigation Institute of Nuclear Industry,Nanjing,Jiangsu 210003,China);EXPERIMENTAL STUDY OF DYNAMIC CHARACTERISTICS OF GRANITE UNDER CYCLIC LOADING[J];Chinese Journal of Rock Mechanics and Engineering;2009-12
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