朱智锋，史秋侠，黄明鑫
    (精工钢构集团上海拜特设计有限公司，上海200233)

[摘要] 无锡高科技园区科技交流中心屋盖工程建筑造型新颖，屋盖外形复杂；结合建筑及下部结构特点，屋盖钢结构花瓣部分采用桁架+网壳组合结构，花蕊部分采用新颖的结构形式——索穹项；简要介绍桁架+网壳组合体系及索穹顶的计算分析、节点设计；结构的主要经济指标以及结构设计中需注意事项。
[关键词] 桁架；网壳；索穹项；铸钢节点；经济指标

    Steelwork design for Science-tech Exchange Center roof of Wuxi Hi-tech Industrial Park
    Zhu Zhifeng, Shi Qiuxia, Huang Mingxin
    (Jinggong Steel Building Group Shanghai Better Stucture Design Co., Ltd., Shanghai 200233, China)

Abstract: The Building form of the roof construction of Wuxi Science and Technology Exchange Center is novel, and the shape is complex. Combined with Building requirements and the characteristics of structure, the combination system of truss and network shell is used at the petal part of the steel roof, as the new structure system, the Cable Dome is used at the Tipped stamens part of the steel roof. This paper simply introduce the Analysis of the combination system of truss and network shell and the Cable Dome, joint design, main Economic Indicators and some points for attention during structure design.
Keywords: truss;  network shell; cable dome; cast tubularjoint; econonuc indicators