(华东建筑设计研究院有限公司  上海 200002)
［提要］  青岛国际会展中心二期工程由展厅、会议中心两个建筑单体组成。介绍了青岛国际会展中心二期工程中超长连续预应力梁的设计方案，着重就竖向构件侧向刚度对梁预应力效应的影响、各种张拉方案进行了分析比较；并对结构中大面积楼盖温度应力的大小、分布规律进行研究，分析过程中考虑了温度荷载的确定、竖向构件侧向刚度、徐变等主要因素的影响，最后提出相应的预应力设计方案。
［关键词］  超长连续预应力梁  侧向刚度  张拉方案  大面积楼盖  温度应力  徐变
Prestress Design of Qingdao International Convention Center Phase Ⅱ/Lu Daoyuan, Lu Yiming, Xu Lin(East China Architectural Design & Research Institute Co.,Ltd.,Shanghai 200002,China)
Abstract:Qingdao International Convention Center includes exhibition and conference center. The design of overlength continous prestress beam, the influence of vertical member rigidity, and comparison of several stretching schemes are presented. Then, based on the thermal stress and its distributed regulation of large area floor，several details, such as tempture load, lateral rigidity of vertical structure member are given. The relevant prestress scheme is put forward.
Keywords:overlength continous prestress beam; lateral rigidity; prestress scheme; large area floor; thermal stress; creep