【摘要】 结合影剧院屋盖结构设计实例，介绍按部分预应力原则设计大跨不规则无粘结预应力砼交梁结构的设计，分析柱刚度变化对屋盖结构的影响，同时对某些问题进行探讨，以供设计参考．更多还原

【Abstract】 Using as an example the structrual design of the roof of a cinema, this paper introduces the structural design and calculation of large-span and irregular cross beam in unbonded prestressed concrete by following the principle of partial prestress and analyzes the impact of the change in column rigidity on the roof structure At the same time, some questions are discussed to provide references in designing更多还原