研究成果可为刚玉块石混凝土遮弹层的工程应用和深入理论分析提供依据。
The result can provide reference for technical application and theoretical analysis of the corundum-rubble concrete shelter.
堆石体本身为弹塑性结构，应力和变形呈非线性关系，故确定计算方法采用增量有限元法；
Rockfill is elastoplastic itself and its stress-strain relationship is nonlinear. So the calculation method must be incremental FEM.
并用弹塑性断裂理论的J积分，计算和分析了非线性时砌石体的断裂韧度。
Simultaneously, the fracture toughness was analysed, and calculated by means of J-integrals adopting the theory of elastoplastic fracture.
并用弹塑性断裂理论的J积分，计算和分析了非线性时砌石体的断裂韧度。
Simultaneously, the fracture toughness was analysed, and calculated by means of J-integrals adopting the theory of elastoplastic fracture.
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