wg880811
幼苗
共回答了25个问题采纳率:92% 举报
由于风能够同时产生两种力,一种是向上掀起屋顶的力(纵向力),一种是横向力,二力相结合加剧了风的破坏力,
框架的纵向结构(梁)通常在楼层的中部相结合,而不在受力最大的地方,这里的结构交叉的尺寸发生变化,纵向结构(梁)需要偏移,偏移坡度不能超过1/6,
除了那些控制伸缩缝的梁外,(承载150毫米厚板的)梁的间距不能超过150毫米,
Welding is distinguished from other forms of mechanical connections such as riveting or bolting,which are formed by friction or mechanical interlocking
D value method is a modification of inflection point method.In this method,the joint rotations are taken into consideration.Correspondingly,the location of inflection points varies according to support conditions
1年前
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