The shearing strength of back covered porous brick masonry is slightly lower than the Standard level. A coefficient of 0.9 can be multiplied to ensure the safety of structures.
盲孔多孔砖砌体的通缝抗剪强度略低于规范计算值，为保证结构安全，建议设计时乘以系数0.9；
Yellow River sullage porous brick can substitute for clay brick and be used as bearing wall material based on analysis of masonry compression strength, crack development and breakage feature.
从砌体抗压强度、裂缝开展以及破坏特征等方面分析，黄河淤泥多孔砖可以替代黏土砖用作承重墙材。
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