花瓣形式网壳结构方案分析  

ANALYSIS OF DESIGN SCHEME OF PETAL-SHAPED LATTICED SHELL STRUCTURE

作　　者：郑世钧 张昊强 

机构地区：[1]甘肃省建筑设计研究院,兰州730000

出　　处：《钢结构》2017年第4期60-63,共4页Steel Construction

摘　　要：兰州新区市民广场花冠采用花瓣形式的网壳结构,其曲面形状复杂、几何尺度大、悬挑跨度大。悬挑根部采用局部双层网壳。对该局部双层网壳结构方案进行静力、动力计算和整体稳定性分析,结果表明:该网壳结构具有较好的整体刚度、稳定性和冗余度,在保证安全性的前提下能够很好地实现建筑的形态意象。The top structure of Civic Square in Lanzhou New Area is petal-shpaed latticed shell structure with complex surface shape,large geometric scale and long-span cantilever.The partial double-layer latticed shell was used in the base of cantilever.The static calculation,dynamic calculation and overall stability of the partial double-layer latticed shell design scheme were analyzed.The results showed that the partial double-layer latticed shell structure had superior integral stiffness,stability and redundancy,so it might accomplish architecture pattern and environmental image on the premise of safety.

关 键 词：局部双层网壳 悬挑结构 整体刚度 稳定性分析 

分 类 号：TU399[建筑科学—结构工程]