This paper is based on the understand of the concrete material. The mathematic model to study the process of concretes damage and fracture is being put forward.

本论文立足于对混凝土材料特性的认识，提出一个进行混凝土损伤与断裂过程模拟的细观数值模型。

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In combination of studies on AE and mechanical process with that of fracture and damage of material, the concept of AE process is proposed.

将对材料声发射的研究，力学过程的研究，同对材料断裂损伤等破坏过程的研究相结合，提出了声发射过程的概念。

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The damage and fracture process of the composite are detected by acoustic emission. The experiment proves the simulating structure to be rational and feasible.

用声发射方法检测了复合材料损伤与断裂的全过程，证明了该结构的合理性与可行性。

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