什么形状的桥梁最坚固?

2025-03-25 04:09:27
推荐回答(4个)
回答1:

拱形的桥梁超载能力最大最坚固。

  1. 拱桥在竖向荷载作用下,两端支承处产生竖向反力和水平推力,正是水平推力大大减小了跨中弯矩,使跨越能力增大。

2.混凝土拱极限跨度在500m左右,钢拱可达1200m,亦正是这个推力,修建拱桥时需要良好的地质条件。

3.有T形刚架桥和连续刚构桥,T形刚架桥主要缺点是桥面伸缩缝较多,不利于高速行车,连续刚构主梁连续无缝,行车平顺施工时无体系转换,跨径我国最大已达270m虎门大桥辅航道桥。

4.组合体系桥有梁拱组合体系,系杆拱桁架拱,多跨拱梁结构等。梁刚架组合体系,如T形刚构桥等。

5.桁梁式桥,以钢铁或混凝土制成的长型中空桁架为横梁,使桥梁轻而坚固利用这种方法建造的桥梁叫做箱式梁桥。

6.拱桥借拱形的桥身向桥两端的地面推压而承受主跨度的应力,现代的拱桥通常采用轻巧、开敞式的结构。

回答2:

人们在河谷上、海峡边、平地上,筑起一座座形状各异的桥。今天这位外国小哥,就想用心爱的液压机,检测一下哪种形状的桥最坚固。小哥用3D打印技术,把自个设计的一堆桥梁变成实物。

回答3:

哪种形状的桥最坚固?放液压机下测试下,难怪很多桥都长这样!

回答4:

一般来说,就是现在最常用的连续梁桥最坚固。
超载能力大的是拱桥。只要基础好,用什么材料做拱圈都行,不过抗压能力大的材料好一点。
用木条,是做真桥??
做模型的话,也可以考虑拱桥。
最差也就是做个简支梁桥了。

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