The mechanical properties and analysis principles of uppc flat beam are introduced, the influence of axial compression ratio on seismit performance of flat beam is emphatically discussed in the paper.

• 本文介绍了部分预应力混凝土宽扁梁节点的受力性能及分析机理,并重点介绍了轴压比系数对宽扁梁节点的抗震性能的影响。