Haipeng Liu~*,Beijing Institute of Technology,China Shiqiao Gao,Beijing Institute of Technology,China Lei Jin,Beijing Institute of Technology,China Xinjian Liang,Beijing Institute of Technology,China


<正>Using the cavity expansion theory,Forrestal et al.give the penetration resistance model on the projectile penetrating concrete and propose a half experiential and half analytical model according to the penetration experiments,in which the static strength term of the penetration resistance is replaced by a experimental variable,and the dynamic inertial term keeps initial form.However,there is some discrepancy in the downward part of deceleration curve in the subsequently experiments when compared the analytical results with experimental results.This paper proposed a kind of modified model,in which the experimental coefficients P~* and K are introduced in the model. The coefficients P~* and K can be determined by the experimental penetration depth and the peak of deceleration and relevant time.The results calculated by this model are in good agreement with the experiment from literature[5].


Forrestal model;;penetration;;concrete


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  • [1] YIN Fang lin 1,YAN Shao hua 2,QIAN Qi hu 2,WANG Ming yang 2(1.Nanjing Military Eningineering Institute,Nanjing 210016,China) (2.Nanjing Engineering Institute,Nanjing 210007,China), Contrast Analysis on Calculation of Penetration Depth of Projectile, EXPLOSION AND SHOCK WAVES,
  • [2] Wu Xiang Yun1,3,Li Yongchi1,He Xiang2,3,Qu Jianbo3 (1Key Laboratory of Mechanical Behavior and Design of Materials,University of Science and Technology of China, Hefei 230027 China) (2Rock-Soil Institute,China University of Mining and Technology, Beijing 100084 China) (3Luoyang Institute of Hydraulic Engineering, Louyang 471023 China), ON MECHANISM OF SLENDER PROJECTILE PENETRATING INTO CONCRETE, Chinese Journal of Rock Mechanics and Engineering,
  • [3] Liu Xiaohu a, Liu Ji b, Wang cheng a, Dang Ruirong c( a .Central China University of Science and Technology,Wuhan,430073) ( b . No .212 Institute of Weapons,Xi ′an,710063) ( c .National Defence Laboratory of Science and Technology for D, EXPERIMENTAL STUDIES ON THE PROJECTILE PENETRATING NORMALLY INTO A PLAIN CONCRETE, EXPLOSION AND SHOCK WAVES,
  • [4] X.W. Chen;;Q.M. Li, Deep penetration of a non-deformable projectile with different geometrical characteristics, International Journal of Impact Engineering,


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