Concrete is a typical heterogeneous quasi-brittle material used in engineering, and its fracture process is very complex.
混凝土是一种典型的非均匀准脆性材料，其断裂过程是非常复杂的。
It is a brittle material and heterogeneous discontinuous body. The process of its failure is one of initiation of inner cracks of the rock followed by their propagation, connection and link up.
它是一种非均质不连续体的脆性材料，其破坏过程是在水力或机械作用下，岩石内部裂纹的产生、扩展、合并和贯通的过程。
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