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非线性弹性弱化脆性材料井孔周围的应力

STRESS AND STRAIN AROUND A CYLINDRICAL BOREHOLE IN AN ELASTO-SOFTENING-BRITTLE MATERIAL
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摘要 假设材料为非线性弹性弱化脆性材料 ,采用幂率形式的强度准则 ,使用逐步递进的计算方法 ,得到了井孔周围的应力分布。 A numerical solution is given by using step wise calculating sequence with considering behavior of nonlinear elastio softening brittle material. A power law of strength criteria is assumed in computing. The stresses around a borehole are obtained.
出处 《岩石力学与工程学报》 EI CAS CSCD 北大核心 2000年第z1期976-978,共3页 Chinese Journal of Rock Mechanics and Engineering
基金 国家重点基础研究发展规划大陆强震机理与预测项目(95-13-04-04)的资助
关键词 弱化 脆性 井孔 应力 softening brittle borehole stress
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参考文献3

  • 1[1]obbs D W. A study of the behavior of broken rock under triaxial compression and its application to mine roadways[J]. 1 Journal of Rock Mechanics and Mining Sciences, 1966, 5(5): 11~43
  • 2[2]Hoek E, Brown E T. Empirical strength criterion for rock masses [J]. Journal of the Geotechnical Engineering Division, ASCE, 1980, (GT9): 1013~1035
  • 3[3]Brown E T, Bray J W. Ladanyi B ,et al. Ground response curves for rock tunnels [J]. Journal of the Geotechnical Engineering Division, ASCE, 1983, 109(1): 15~39

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