圆钢管混凝土柱-多向斜交钢梁内隔板式节点数值分析  

Numerical Analysis of Concrete Filled Circular Steel Tube Column-Multidirectional Oblique Intersecting Steel Beam Inner-Diaphragm Joints

作　　者：王洁[1] 

机构地区：[1]华东建筑设计研究院有限公司,上海200002

出　　处：《结构工程师》2012年第4期34-39,共6页Structural Engineers

摘　　要：常州润华环球中心结构复杂,存在大量多向斜交钢梁与圆钢管混凝土柱相连的节点,为研究此类节点的受力性能,利用有限元软件ABAQUS6.10在考虑材料、几何及接触等三重非线性因素的基础上对节点进行了数值分析。结果表明:内隔板式圆钢管混凝土柱-多向斜交钢梁节点能够满足"强节点、弱构件"的抗震设防要求,节点具有较高的承载能力;内隔板能有效地与钢管共同工作,提高节点的承载能力;钢梁之间的夹角对承载力的影响较小。Lots of joins of Changzhou Runhua Global Center are the joints of concrete filled circular steel tube column and multi-directional oblique intersecting steel beam. A nonlinear numerical analysis on the mechanical properties of the joints using the finite element analysis software ABAQUS 6.10 was performed in this investigation. The analysis results indicate that the beam-to-column joint has great strength and can meet the seismic design principles of strong joint and weak element. The inner-diaphragm which effectively works with the steel tubes can improve the load bearing capacity of the joint. The oblique angle of the beam has less influ- ence on the strength of the joint.

关 键 词：内隔板式节点 多向斜交钢梁 非线性数值分析 受力性能 

分 类 号：TU398.9[建筑科学—结构工程]