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进行8组试验,模拟柱与混凝土基础的连接节点,对钢柱脚进行研究。建立试件的三维有限元模型,并进行数值分析。将试验及有限元结果与公式进行对比,描述了柱脚的弯矩-转角关系。验证结果是令人满意的。
Eight groups of experiments were carried out to simulate the connections between columns and concrete foundation and to study the steel columns and legs. The three-dimensional finite element model of the specimen was established and analyzed numerically. The experimental and finite element results are compared with the formulas to describe the moment-moment relationship of column foot. The verification result is satisfactory.