The fracture properties of RPC(Reactive Powder Concrete) and fibre RPC are analyzed by the Fictitious Crack Model(FCM) and the linear elastic fracture mechanics.
采用虚拟裂缝模型结合线弹性断裂力学的方法，分析了RPC（活性粉末混凝土）及纤维增强RPC的断裂特性；
Based on the consideration of fictitious crack and the cementation force of ice in the frozen soil, the two dimensions model of frozen soil roadbed stability are proposed.
根据车载下冻土路基受力特征，应用虚拟裂纹的概念，并考虑了冻土特有的冰体胶结力作用，提出了路基稳定性的二维模型。
By the principle of superposition fictitious stress on any individual crack surface in infinity can be resolved and also its value of stress intensity factor in infinity or finite body is obtained.
由迭加原理，可分离出任一单个裂纹面在无限大板中的虚拟应力，从而求出有限或无限域中各条裂纹的应力强度因子值。
By the principle of superposition fictitious stress on any individual crack surface in infinity can be resolved and also its value of stress intensity factor in infinity or finite body is obtained.
由迭加原理，可分离出任一单个裂纹面在无限大板中的虚拟应力，从而求出有限或无限域中各条裂纹的应力强度因子值。
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