刘宜丰 （中国建筑西南设计研究院  成都 610081） 

  黄利平 （中国市政工程西南设计研究院）

[提要]  介绍了重庆邮电学院教学楼楼盖结构和预应力次梁的详细设计过程，探讨了边主梁抗扭的问题，并
 提出了一些工程处理办法。另外还对主梁与预应力次梁斜交的节点构造作了介绍，可供类似工程参考。
[关键词]  阶梯教室  大跨度预应力次梁  楼盖结构  设计

The detailed design process of floor structure and prestressed girder of a teaching building is introduced.The sprained question of side main beam is discussed and some treating methods are put forward. The joint of actlng as to side main beam with oblique crossing prestressed girder is presented for stepped education buildings.
Keywords: stepped teaching building;  long-span prestressed girder; floor structure; design