Based on the failure analysis of reinforced concrete and the fracture behavior of concrete as a type of quasi-brittle materials, a model of matrix crack with bridging bar is proposed in this paper.
基于钢筋混凝土的破坏分析，结合混凝土类准脆性材料的断裂特性，本文提出了强化筋桥联基体裂纹力学分析模型，在该虚拟裂纹端部存在粘聚力分布，而强化筋在桥联裂纹处具有与基体脱离的部分段。
In this paper the beam particle model at a fine structural scale is presented for analysis of the progressive failure of such brittle disordered materials as sandstone by different loadings.
为了分析砂岩类无序介质在各种荷载作用下的连续破坏过程，本文提出了梁-颗粒细观模型。
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