曲线桥梁相对于直线桥梁:
1)抗扭要求高;
2)抗倾覆问题突出;
3)爬移现象严重。
![](https://www.bmbim.com/wp-content/uploads/2022/04/640-1.jpg)
![](https://www.bmbim.com/wp-content/uploads/2022/04/640-2.jpg)
![](https://www.bmbim.com/wp-content/uploads/2022/04/640-3.jpg)
![](https://www.bmbim.com/wp-content/uploads/2022/04/640-4.jpg)
![](https://www.bmbim.com/wp-content/uploads/2022/04/640-5.jpg)
![](https://www.bmbim.com/wp-content/uploads/2022/04/640-6.jpg)
倾覆问题转化为强度问题
爬移受到下构限制
下构需要适应固结的受力
![](https://www.bmbim.com/wp-content/uploads/2022/04/640-7.jpg)
![](https://www.bmbim.com/wp-content/uploads/2022/04/640-8.jpg)
收缩徐变的效应减小
没有纵向预应力的主动张拉
下构纵向水平力减小很大
基础与桥墩的柔性适应墩梁固结造成的温度、活载内力
![](https://www.bmbim.com/wp-content/uploads/2022/04/640-9-1024x376.jpg)
![](https://www.bmbim.com/wp-content/uploads/2022/04/640-10.jpg)
![](https://www.bmbim.com/wp-content/uploads/2022/04/640-11.jpg)
![](https://www.bmbim.com/wp-content/uploads/2022/04/640-12.jpg)
![](https://www.bmbim.com/wp-content/uploads/2022/04/640-13.jpg)
![](https://www.bmbim.com/wp-content/uploads/2022/04/640-14.jpg)
![](https://www.bmbim.com/wp-content/uploads/2022/04/640-15.jpg)
![](https://www.bmbim.com/wp-content/uploads/2022/04/640-16.jpg)
![](https://www.bmbim.com/wp-content/uploads/2022/04/640-17.jpg)
![](https://www.bmbim.com/wp-content/uploads/2022/04/640-17-1.jpg)
![](https://www.bmbim.com/wp-content/uploads/2022/04/640-19.jpg)
![](https://www.bmbim.com/wp-content/uploads/2022/04/640-20.jpg)
![](https://www.bmbim.com/wp-content/uploads/2022/04/640-21-1024x373.jpg)
![](https://www.bmbim.com/wp-content/uploads/2022/04/640-22.jpg)
![](https://www.bmbim.com/wp-content/uploads/2022/04/640-23.jpg)
![](https://www.bmbim.com/wp-content/uploads/2022/04/640-24.jpg)
![](https://www.bmbim.com/wp-content/uploads/2022/04/640-25.jpg)
![](https://www.bmbim.com/wp-content/uploads/2022/04/640-26.jpg)
中跨较小,采用窄幅组合梁(大边跨)
+钢板梁设计(小中跨)
窄幅组合梁与钢板组合梁过渡构造
过渡位置设置在反弯点附近
![](https://www.bmbim.com/wp-content/uploads/2022/04/640-27.jpg)
![](https://www.bmbim.com/wp-content/uploads/2022/04/640-33-1024x320.png)
作者:陈耀军 / 刘甜甜 / 陈正星
转载注明出处。
以上转载自:桥何名欤
曲线桥梁相对于直线桥梁:
1)抗扭要求高;
2)抗倾覆问题突出;
3)爬移现象严重。
作者:陈耀军 / 刘甜甜 / 陈正星
转载注明出处。
以上转载自:桥何名欤