某抗风索直线型张弦梁屋盖支座受损原因分析
发布时间：2018-09-09 13:35
【摘要】：以某抗风索直线型张弦梁屋盖结构为工程背景,综合运用病害调查、概念判断和有限元分析相结合的研究手段,开展屋盖支座受损原因分析。采用商业软件ANSYS建立屋盖结构的两种整体有限元模型,分别开展施工合龙温度(20℃)、夏季高温(37℃)、冬季寒冷(-10℃)三种温度工况下的受力性能分析,定量揭示温度变化作用下支座水平反力和水平变形量的变化范围。研究表明,支座受损的主要原因是由于张弦梁两端均直接与预埋件焊接,限制了屋盖体系的水平变形能力,温度变化导致巨大的水平力作用所致。研究结论可为采取处理措施提供理论依据,也可为后续同类工程设计、建造提供建议。
[Abstract]:Taking a wind cable linear beam string roof structure as the engineering background, the damage cause analysis of roof support is carried out by means of the combination of disease investigation, concept judgment and finite element analysis. Two integral finite element models of roof structure were established by commercial software ANSYS. The mechanical properties of roof structure were analyzed under three different temperature conditions: construction closure temperature (20 鈩，
本文编号：2232532
[Abstract]:Taking a wind cable linear beam string roof structure as the engineering background, the damage cause analysis of roof support is carried out by means of the combination of disease investigation, concept judgment and finite element analysis. Two integral finite element models of roof structure were established by commercial software ANSYS. The mechanical properties of roof structure were analyzed under three different temperature conditions: construction closure temperature (20 鈩，
本文编号：2232532
本文链接：https://www.wllwen.com/guanlilunwen/chengjian/2232532.html
