These patterns include events of envelope type, micro structural cracks, gas eruption, shock with high frequency and small swarms.

主要有包络型事件、微构造破裂事件、汽爆事件、高频地震和小震群。

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Through practices in the project, further proves this method in the mass concrete structural cracks depth lossless detection superiority.

通过在工程中实践，进一步证明本方法在大体积混凝土结构裂缝深度无损检测中的优势。

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In mass concrete construction, the structural cracks by cement hydration heat will influence the durability and mechanical properties of concrete.

在大体积混凝土施工中，由于水泥水化热等多种因素产生的混凝土结构裂缝将影响混凝土的耐久性能和力学性能。

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Cracks and structural faults appeared and cantilevers began to deflect almost immediately.

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"Most of the ones I looked at had just cracks in the wall--of no structural significance, " he says.

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Worse still is the structural component's shape: notches and sharp corners create concentrations of stress that can initiate cracks.

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