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福田区外国语学校(侨香校区)扩建综合体育场是一大跨度超长框架结构。结构X向柱距为20.2m,Y向柱距为14m,总长为94.5m,因使用功能要求,中间不设变形缝。本文将从方案选型,结构平面布置,超长结构构造,大跨度框架结构概念设计等几个方面进行详细的介绍,以期为中小学相关项目提供技术参考。最后对结构整体进行性能设计,结果表明:中震、大震下结构弹塑性层间位移角均小于1/50,宏观上各构件损坏程度达到规范的相关要求。
Futian District Foreign Language School (Qiaoxiang Campus) Expansion of the stadium is a long span of ultra-long frame structure. Structure X column spacing of 20.2m, Y column spacing of 14m, a total length of 94.5m, due to the use of functional requirements, there is no deformation in the middle of the seam. This article will introduce in detail the aspects of scheme selection, structure layout, long-length structure design and long-span frame structure concept design in order to provide technical reference for related projects in primary and secondary schools. Finally, the performance of the whole structure is designed. The results show that the displacement angles of the structure elasto-plastic layers under medium and large earthquakes are both less than 1/50, and the macroscopical damage degree of each component reaches the relevant requirements of the code.