请问40\40的钢筋混凝土立柱能承受几层楼房的压力?

2025-04-07 12:15:53
推荐回答(2个)
回答1:

其属于框架结构,适用于建造不超过15层的房屋。

框架节点应力集中显著;框架结构的侧向刚度小,属柔性结构框架,在强烈地震作用下,结构所产生水平位移较大,易造成严重的非结构性破坏,吊装次数多,接头工作量大,工序多,浪费人力,施工受季节、环境影响较大。

不适宜建造超高层建筑, 框架是由梁柱构成的杆系结构,其承载力和刚度都较低,特别是水平方向的,它的受力特点类似于竖向悬臂剪切梁在材料消耗和造价方面稍高,故适用于建造不超过15层的房屋,超高建筑建议采用框架剪力墙结构。

扩展资料:

框架结构施工要求规定:

1、大于柱宽的扁梁时,楼板应现浇,梁小线宜与柱中线重合,扁梁应双向布置,且不宜用于一级框架结构。扁梁的截面尺寸应符合下列要求,并应满足现行有关规范对挠度和裂缝宽度的规定。

2、粱端纵向受拉钢筋的配筋率不宜大于2.5%。且计入受压钢筋的梁端混凝土受压区高度和有效高度之比,一级不应大于0.25,二、三级不应大于0.35。

3、沿梁全长顶面和底面的配筋,一、二级不应少于2φ14,且分别不应少于梁两端顶面和底面纵向配筋中较大截面面积的1/4,三、四级不应少于2φ12。

参考资料来源:百度百科-框架结构

回答2:

没有混凝土等级、没有柱子计算高度,没有钢筋等级,怎么算? GB50010-2010《混凝土结构设计规范》规定承受荷载的结构柱截面最小尺寸不得小于300mm。GB50011-2010《建筑抗震设计规范》上框架柱的轴向承载能力不计算钢筋的作用,但必须有箍筋。

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