分块布置环索的弦支穹顶结构性能分析  

ANALYSIS OF STRUCTURAL BEHAVIOR OF SUSPENDOME WITH RING CABLES LAID SEPARATELY

作　　者：于敬海[1,2] 张芃芃[1] 

机构地区：[1]天津大学建筑工程学院,天津300072 [2]天津大学建筑设计研究院,天津300073

出　　处：《工业建筑》2016年第8期135-139,39,共6页Industrial Construction

基　　金：天津市科技支撑计划(13ZCZDSF01400)

摘　　要：应用MIDAS/Gen软件以平面系数为变量进行计算分析,得出椭圆形弦支穹顶力学性能随平面系数变化的规律。针对常用布索方式的椭圆形弦支穹顶存在的内力分布及节点竖向位移等具体问题,提出一种结构环索布置上的改进形式,即分块布置环索的弦支穹顶结构,并初步研究了其力学性能及稳定性能。通过对两种弦支穹顶结构形式力学性能的对比,提出了新型布索方式的优点,并提出了今后的研究方向及需要解决的主要技术问题。Form factor was proposed to define the ellipse suspendome. MIDAS/Gen was used to analyze its structural performance. The result showed that structural performance was closely related to its form factor. To solve the traditional structure＇ s problem, a new way of ring cables＇ laying was proposed,thus a suspendome with ring cables laid separately was got, whose mechanical behavior and stability were studied. After the comparison between mechanical behaviors of the two kinds of structures, the new one showed its advantage, and then some technical problems having need to solve were given.

关 键 词：分块布置环索 椭圆形 平面系数 弦支穹顶 

分 类 号：TU399[建筑科学—结构工程]