张曼生1，毛节程2，王树1，葛家琪1，张奇铭1，吴思1（1 中国航空规划建设发展有限公司，北京 100120；2 浙江省绍兴市城市建设投资发展有限公司，绍兴 312000）

［摘要］绍兴体育会展馆屋盖结构为梁端刚接张弦桁架，与梁端简支的普通张弦梁在受力特点上有较为明显的区别，故其拉索布置应有所区别。研究表明，不同预应力索端节点位置对张弦桁架内力、整体稳定都有较为明显的影响，对竖向位移影响较小，几乎不影响结构整体动力性能。综合分析后得出了最佳索端节点位置。深入对比三种典型横向支撑系统布置方式的静力、动力及屋盖整体稳定性能发现，间接连续布置的横向联系桁架对屋盖结构整体的综合性能最为有利。

［关键词］刚接张弦桁架；预应力；索端节点；横向联系桁架；整体稳定

中图分类号：TU375文献标识码：A文章编号：1002-848X(2012)01-0055-06

Design research of rigid connected truss string in Shaoxing Sports Exhibition Hall

Zhang Mansheng1, Mao Jiecheng2, Wang Shu1, Ge Jiaqi1, Zhang Qiming1, Wu Si1(1 China Aviation Planning and Construction Development Co., Ltd., Beijing 100120, China；2 Shaoxing City, Zhejiang Province Construction Investment and Development Co., Ltd., Shaoxing 312000, China)

Abstract:Rigid connected truss string is adopted in the roof of Shaoxing Sports Exhibition Hall. Compared with hinged connected truss string, some distinguishing features of bearing capacity have been found. Therefore, the arrangement of pre-stressed cables is different. Several schemes had been researched, which have different position of pre-stressed cable’s stretching end. The results indicate that the position greatly influences on internal force and overall stability of these truss strings. Also, it has little influence on vertical displacement, and it does not change the dynamic performance of the structure. The best position of pre-stressed cable’s stretching end is proposed by analyzing of these results. The static behavior, dynamic performance and overall stability capacity of three transverse brace system with typical arrangement modes were studied. The results show that the comprehensive properties of the whole roof structure are the best while indirect continuous transverse truss has been arranged.

Keywords:rigid connected truss string; pre-stressed; stretching end node; transverse truss; overall stability

作者简介：张曼生，硕士，工程师，Email:zhekod1@yahoo.com.cn。

参考文献

［1］葛家琪，王树，梁海彤，等.河南艺术中心大剧院钢屋盖基于延性的性能化设计研究［J］.建筑结构,2008,38(12):1-6.

［2］MIDAS/Gen用户手册［M］. 北京：北京迈达斯科技有限公司，2008.

［3］沈世钊，陈昕.网壳结构稳定性ANSYS高级技术分析指南［M］.北京:科学出版社，1999.