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通过对三组(18个试件)新型节能承重混凝土空心砌块砌体进行了抗剪试验研究,分析了该种新型混凝土砌块砌体的变形特征、开裂荷载及极限荷载;揭示了该种新型混凝土砌块砌体抗剪强度影响因素及剪切破坏机理;对现行规范中的抗剪强度计算公式进行了回归分析,得到的计算值与试验值吻合良好,为工程实践提出了参考。
Through the shear test of three groups (18 specimens) of new energy-saving load-bearing concrete hollow block masonry, the deformation characteristics, cracking load and ultimate load of the new type of concrete block masonry are analyzed. The influence factors and shear failure mechanism of the shear strength of the new concrete block masonry are analyzed. The regression analysis of the shear strength formula in the current code is carried out. The calculated values are in good agreement with the experimental values, which provides a reference for engineering practice.