虎门大桥辅航道桥悬臂施工阶段风致抖振的控制  

The Control of Wind Induced Vibration at the Cantilever Construction Stage of Assistant Shipping Channel Bridge of Humen Bridge

作　　者：王中文[1] 刘刚亮[1] 顾金钧[2] 

机构地区：[1]广东省长大公路工程有限公司,广东番禺511431 [2]中铁大桥局桥科院,湖北武汉430034

出　　处：《桥梁建设》2002年第5期50-53,共4页Bridge Construction

摘　　要：在对虎门大桥辅航道桥悬臂施工阶段风致抖振情况进行理论分析和风洞试验的基础上 ,介绍悬臂施工阶段结构风致抖振控制的原理和方法。并通过对悬臂施工阶段减振效果和火箭激励现场实测 ,验证了虎门大桥辅航道桥施工阶段风致抖振控制方法的有效性和可靠性。Basing on the theoretical analysis and wind tunnel test for the wind induced vibration at the cantilever construction stage of assistant shipping channel bridge of Humen Bridge, the principle and method of wind induced vibration controlling plan at the cantilever construction are introduced, and its validity and reliability are proved by test of mitigation effect and rocket excitation in field at the cantilever construction stage.

关 键 词：悬臂施工 刚构桥 风致抖振 风洞试验 振动控制 

分 类 号：U448.23[建筑科学—桥梁与隧道工程]