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本文通过12个钢纤维混凝土框架边节点的试验,研究了这种节点的破坏过程、抗裂强度、抗剪强度及剪切延性等问题;给出了节点抗裂强度及抗剪强度的计算公式;并建议以剪切延性作为评价节点抗震性能的指标之一。
In this paper, through the experiment of 12 steel fiber reinforced concrete frame joints, the failure process, cracking strength, shear strength and shear ductility of the joints are studied. The calculation formulas of cracking strength and shear strength of joints are given. And it is recommended to use shear ductility as one of the indexes to evaluate the seismic performance of the joints.