计静;邢菲;武英杰;张文福;袁朝庆;张丹;杜娟;

• 1:黑龙江省防灾减灾工程与防护工程高校重点实验室东北石油大学土木建筑工程学院

• 2:大庆石化工程有限公司

摘要(Abstract)：

为研究钢框架十字型刚性节点构件的滞回性能,以轴压比、H型钢柱腹板厚度、钢梁截面形式及加劲肋为参数,设计8组钢框架十字型刚性节点和1组T型刚性节点;基于简化的力学模型和材料的本构关系,利用ABAQUS软件建立有限元模型,分析节点试件的滞回性能;通过与已有的T型刚性节点试验结果对比,两者吻合较好,验证有限元模型的合理性.开展十字型节点仿真分析,提取节点荷载—位移滞回曲线、包络图、骨架曲线和应力云图,获得柱轴压比、H型钢柱腹板厚度、钢梁截面形式及加劲肋对该类节点抗震性能的影响规律,并对轴压比、柱腹板与翼缘厚度比提出设计建议.结果表明:柱轴压比设计限值建议取为0.5,柱腹板与翼缘厚度比设计限值建议取为0.75.当截面形式为H型钢时,十字型刚性节点的抗震性能良好,并且优于截面形式为钢管的,节点域设置横向加劲肋可有效提高节点的抗震性能.

关键词(KeyWords)：十字型刚性节点;滞回性能;有限元分析;T型节点;抗震性能;横向加劲肋;抗震设计

Abstract:

Keywords:

基金项目(Foundation):教育部高等学校博士学科点专项科研基金项目(新教师类:20122322120004);; 黑龙江省自然科学基金面上项目(E201336);; 国家自然科学基金项目(51178087)

作者(Author):计静;邢菲;武英杰;张文福;袁朝庆;张丹;杜娟;

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