白本举  吴新基
    （水利部黄委会勘测规划设计研究院 郑州 450003）

[提要] 着重介绍了预应力混凝土框架体系在高层建筑中的应用，分析了各种方案的优缺点，对预应力框架梁的截面选择、次弯矩计算、预应力筋确定进行了详细的分析，为高层建筑采用大跨预应力结构提供了有益的探索。
[关键词] 高层建筑 大跨 有粘结预应力混凝土 框架梁 结构布置

This article discusses the use of prestressed concrete frame system in high-rise buildings and analyses the advantage and disadvantage of all kinds of plans. In addition, sectional selection, secondary moment calculation and prestressed tendon number decision are also researched. It provides useful probations for making use of prestressed concrete long span structure in high一rise buildings.
Keywords: high-rise buildings; long span; bonded prestressed concrete; frame beam; structure layout