With the application of concrete-filled steel tubular member to mega-frame structures, the connection forms of main beam-column can be classified as welded rigid connection, bolted gemel connection and semi-rigid connection.

• 摘要随着钢管混凝土组合截面日愈增多地应用于巨型框架中，主框架梁柱的连接形式分为焊接刚性连接、螺栓铰接与半刚性连接。