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Volume 30 Issue 7
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LIN Yingsong, LIU Zhaonian, ZHANG Baokang, JIANG Jinbao. Permeability evaluation of cement samples under shock waves[J]. Chinese Journal of Geotechnical Engineering, 2008, 30(7): 1079-1083.
Citation: LIN Yingsong, LIU Zhaonian, ZHANG Baokang, JIANG Jinbao. Permeability evaluation of cement samples under shock waves[J]. Chinese Journal of Geotechnical Engineering, 2008, 30(7): 1079-1083.
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Permeability evaluation of cement samples under shock waves

  • China Vnivorsity of Pesroleum East China Dongying 257061 China

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  • Published Date: July 14, 2008
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  • Based on the impact experiments on saturation cement samples in water,the velocity of elastic wave,porosity and permeability of samples were measured.The linear relation between the exploding wave pressure and the square of velocity of elastic wave was obtained by using dimensional analysis,the relation between the velocity of elastic wave and the fracture porosity was obtained through empirical equations,and the formula for permeability and porosity of fracture was obtained by means of model simplification.The effect of exploding waves on enhancement of fracture permeability was obtained and the optimum exploding loading was determined.
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