摘要
从总结国内大跨梁桥持续下挠实际出发,分析了大跨梁桥长期下挠的成因,并在结构上提出"恒载零弯矩"设计理念,提出了控制下挠的措施,为持续下挠的有效控制开拓一条新途径。
The paper sumarizes the experiece of domestic lager span beam bridges＇ long downwarping, analyses genetic of large span beam bridge＇ long downwarping, and puts forward the conception of zero moment of dead load by structure means, it brings the method to control down warping, so a new way of controlling long downwarping will acquire.
出处
《山西建筑》
2008年第28期319-320,共2页
Shanxi Architecture
关键词
大跨梁桥
下挠
设计理念
措施
large span beam bridge, downwarping, deaign idea, method
