一种新型网壳结构的性能研究
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（CCDI悉地国际，上海 200235）[摘要] 由于优秀的力学性能，建筑美观性和经济性，空间网壳结构在国内受到越来越广泛的关注。本文介绍一种在工程实际中运用的新型网壳结构性能研究。有别于传统的网壳，此结构的三向网格中一个方向的杆件为了与ETFE气枕相连接，竖直抬升了800mm。因此，这个网壳由下层双向交叉杆件，竖向连杆和上层杆件三个部分组成。本文对这种新颖的结构体系的受力性能，抗震性能以及稳定性进行了深入的分析。研究表明此新型网壳的受力性能接近于传统的单层网壳，但上层杆件对结构的刚度有较大的贡献。采用此网壳形式可达到建筑效果和结构性能的高度均衡，是一种值得推广的空间网格结构形式。[关键词] 单层网壳;性能化设计;稳定分析中图分类号：TU318，TU391作者简介：顾励，博士，中级工程师，Email: gu.li@ccdi.com.cn。Study on the structural performance of a novel single-layer latticed shellGu Li, Zhang Xin, Meng Xiande, Yu Weijiang（CCDI GROUP, Shanghai 200235, China）Abstract:Space frame structure is widely used nowadays due to its good performance, economical efficiency and architecturally beauty. In this paper, a new latticed shell structure is presented. This structure can be categorized into single-layer latticed shell structures with three-way grid. However, different to traditional ones, one way of grid is raised about 800mm to support ETFE air pillows. The performance of this new space frame structure has been investigated and analyzed. In detail, the performance of the shell under various loading conditions, the stability and the strength/stiffness of connections have been studied. It can be concluded from the study that raised members are critical to the stiffness and stability of the shell. And the overall performance of the structure meets the requirements in codes and standards, which ensure its safety.Keywords: single-layer latticed shell; performance-based design; stability analysis
