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WANG JTANHUAup, SONG JINLTANGup, FENG DEYIup2, JIANG CHUNup2loans.com sh advancelucashadv. 1990: PHOTOELASTIC STUDY OF CLOSED CRACK UNDER COMPRESSION AND SHEAR. Acta Seismologica Sinica, 12(2): 204-211.
Citation: WANG JTANHUAup, SONG JINLTANGup, FENG DEYIup2, JIANG CHUNup2loans.com sh advancelucashadv. 1990: PHOTOELASTIC STUDY OF CLOSED CRACK UNDER COMPRESSION AND SHEAR. Acta Seismologica Sinica, 12(2): 204-211.
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PHOTOELASTIC STUDY OF CLOSED CRACK UNDER COMPRESSION AND SHEAR

  • 1. Jianjin University; 2. Scistnological Bureau of Tianjin

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  • Published Date: September 01, 2011
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    • Abstract
  • The fracture mechanics solusion of the stress field near the tip of a closed crack under compression and shear is given and a new method for prefabricating closed cracks is developed in this paper. The compression-shear closed crack is studied by means of photoelasticlty,and the changes of both the stress field near the crack tip and the distribution of friction on the closed crack are studied. Futhermore,the interaction of the singular stress field between,two initially closed collinear cracks is also studied by photoelasticity. The stress intensity factor (SIF) of the compression-shear closed crack is computed by the finite element nethod. It shows that the results in the paper are correct. Finally,some applications in the research on the seismic focus are discussed.
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    • References (1)
  • [1] Duda, S. J., 1965. The stress around a fault according to a photoelastic model experiment Gcophys.J.Roy. Artron. Soc., 9, 4, 399——410.

    [2] Bobolakis, E. G., 1973. Study of the brittle fracture process under uniaxial compression.Tectonophysics, 18, 231——248.

    [3] Hoke, E., Bieniawski, Z. T., 1984, Brittle fracture propagation in rock under compression Int. J. Fracture, 26, 276 ——294.

    [4] 赵豫生,1986.大理岩试件中裂缝的逆向共扼剪破裂.地震学报,8,191——195,

    [5] 王建华,1989.压剪应力作用下裂纹端部应力场的分析.地震研究,12,125——136,

    [6] Watanabe, K., 1977. A new photoelastic approach to crack problems, Japan. Proc. of 27th for Applied blcchanict, 27, 21——36.

    [7] Eftis, J., 1984, Influence of load biaxiality on fracture characteristics of tw o collinear crack.Int. Fracture, 24, 1, 59——80.

    [8] 徐博候,198——1.提高应力强度因子计算精度的三个方法.固体力学学报,1,1——10,

    [9] 梅世蓉主编,1982, 1976年唐山地震,1——15,地震出版社.

    [1] Duda, S. J., 1965. The stress around a fault according to a photoelastic model experiment Gcophys.J.Roy. Artron. Soc., 9, 4, 399——410.

    [2] Bobolakis, E. G., 1973. Study of the brittle fracture process under uniaxial compression.Tectonophysics, 18, 231——248.

    [3] Hoke, E., Bieniawski, Z. T., 1984, Brittle fracture propagation in rock under compression Int. J. Fracture, 26, 276 ——294.

    [4] 赵豫生,1986.大理岩试件中裂缝的逆向共扼剪破裂.地震学报,8,191——195,

    [5] 王建华,1989.压剪应力作用下裂纹端部应力场的分析.地震研究,12,125——136,

    [6] Watanabe, K., 1977. A new photoelastic approach to crack problems, Japan. Proc. of 27th for Applied blcchanict, 27, 21——36.

    [7] Eftis, J., 1984, Influence of load biaxiality on fracture characteristics of tw o collinear crack.Int. Fracture, 24, 1, 59——80.

    [8] 徐博候,198——1.提高应力强度因子计算精度的三个方法.固体力学学报,1,1——10,

    [9] 梅世蓉主编,1982, 1976年唐山地震,1——15,地震出版社.
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