摘要
单层平面索网玻璃幕墙结构是广泛应用于大型公共建筑中的一种新型结构形式,由于其具有柔性大、质量轻、阻尼小的特点,属风敏感结构,而且其为新型结构形式,结构具有明显的几何非线性,国内外并没有相应的抗风设计方法。为此首先进行了基于非线性随机振动理论的单层平面索网玻璃幕墙结构风振响应计算公式的推导,然后以此为基础提出基于结构响应的单层索网玻璃幕墙结构非线性抗风设计方法,最后对该设计方法的准确性进行校核,并对其适用性进行讨论。
Cable net facade is sensitive to fluctuating wind due to its weak stiffness, light weight, small damping. Because cable net facade is a new type of structure and geometrically nonlinear, there exists no proper wind-resist design method. In this paper, nonlinear random vibration theory was employed to derive a formula for wind- induced response of cable net facade, a nonlinear wind-resistance design method for cable net facade based on the structure response was put forward, and the accuracy of this wind-resistance design method was verified and the scope of application discussed.
出处
《土木工程学报》
EI
CSCD
北大核心
2009年第2期39-44,共6页
China Civil Engineering Journal
基金
中国博士后基金 (20070420164)
广东省自然科学基金 (07300027)
国家自然科学基金 (50478028)
国家十一五科技支撑计划课题 (2006BAJBB036)
关键词
点支式玻璃幕墙
索结构
非线性随机振动
抗风设计
dot point supported glass curtain
cable structure
nonlinear random vibration
wind-resist design
