However, in existing norms, the mechanical properties of the two are equivalent, therefore, it is essential to further study the mechanical properties of hollow brick masonry and new expansion bolts.
2
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；
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.
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