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中文摘要：
摘要：通过构建砌体结构有限元模型，采用局部加载方式，用有限元法分析多孑L砖砌体局部受压状态下应力分布、裂缝开裂现象，探讨强度提高机理。计算结果表明受压区宽度为200mm时，多孔砖MUIO的破坏荷载裂缝分布大致相同，多孔砖砌体不论处于中部局音5受压还是端部局部受压状态，强度提高都是在扩散和围箍作用共同作用下实现的，且扩散作用明显。
英文摘要：
by establishment of the finite element model of masonry structure and application of local loading, stress distribution and crack spilting of the perforated-brick masonry pressed locally are analyzed by the finite element method, studying the mechanism for improving strength. The calculation results prove that the crack distribution of the failure load of the perforated brick MU10 is the same roughly when the pressed zone is 200 mm in width. No matter the perforated-brick masonry is pressed locally in the middle or at the end, strength is improved by both diffusion and surrounding-hoop action jointly. Furthermore, the diffusion action is outstanding.
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