根据梁的跨度如何设计梁的大小及配筋

2025-03-16 10:21:31
推荐回答(2个)
回答1:

梁的截面尺寸及配筋与梁跨度、支承型式及梁上线荷载的基本组合值以及钢筋、混凝土等级和结构抗震等级、结构安全等级,都有关系。根据建筑布局确定跨度,根据以上这些条件计算梁最不利截面效应,按GB50010-2010《混凝土结构设计规范》的承载能力极限状态计算正截面抗弯配置纵向钢筋;计算梁斜截面抗剪配置箍筋。最后,应满足规范的构造要求确定。

回答2:

配筋是属于结构设计,梁的配筋主要是根据正截面受弯承载力计算 ,斜截面受剪承载力计算,曲面受扭承载力计算来分别配置其纵向受力钢筋,箍筋,弯起钢筋的。 说到底就是根据荷载作用形式,根据经验选择混凝土标号,钢筋强度等级,截面尺寸。 最后根据结构抗力大于等于其作用的内力,计算出钢筋的截面面积,然后在《混凝土设计规范中》查表得钢筋的根数及直径

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