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一、前言 混凝土是由粗细骨料和水泥浆组成的多相复合材料,其内部又遍布着空穴、裂隙及界面裂缝等大量的原始缺陷,因而它是一种具有随机统计特性的脆性材料。混凝土断裂
I. INTRODUCTION Concrete is a multi-phase composite material consisting of coarse and fine aggregates and grout. The inside is covered with a large number of original defects such as voids, cracks, and interface cracks. Therefore, it is a brittle material with random statistical characteristics. Cracked concrete