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本文对刚性试验机及其理论的发展作了简要回顾,并将此理论运用于地震过程的研究。提出了新的刚度效应孕震模式,探讨了破裂介质与其周围弹性介质的共同作用对发生地震可能性的影响。其力学状态的失稳临界条件可表示为: k+λ≤0式中k和λ分别为两种介质荷载-位移关系曲线的切线斜率。 文中还对此刚度效应孕震模式的特点以及依据此模式进行地震预测的可能性作了新的探索。
This paper briefly reviews the development of rigid testing machine and its theory, and applies this theory to the research of earthquake process. A new earthquake effect model with stiffness effect is proposed. The effect of the interaction between the cracked medium and the surrounding elastic medium on the possibility of earthquakes is discussed. The critical condition of instability of mechanical state can be expressed as: k + λ≤0 where k and λ are respectively the tangent slopes of the two medium load-displacement curves. In this paper, we also make a new exploration of the characteristics of this mode of earthquake effect and the possibility of earthquake prediction based on this model.