梁为上返梁屋面柱钢筋锚固长度

梁为上返梁屋面柱钢筋锚固长度
2025-04-03 22:39:30
推荐回答(3个)
回答(1):

房屋的框架柱子,其中柱纵向钢筋只在基础部位存在锚固的概念,到柱顶只是弯折12d‘收头’! 边柱、角柱的外边纵向钢筋要承角部支座负弯矩,需要弯折进入梁一定长度。这个节点由设计人选择图集中某个构造大样。如11G101-1第59页(64页非抗震)之B、C大样或16G101-1图集相应大样。弯折进入梁一定长度并不是锚固长度。
请注意框架梁柱节点是柱而不是梁,这是基本概念!所以有人回答的概念不清!边柱、角柱的外边纵向钢筋伸入梁一定长度并不是“弯锚”、“直锚”的事。

回答(2):

屋面柱钢筋的锚固长度分为中柱和边角柱。
中柱的锚固长度,如直锚(锚固长度与混凝土强度等级和抗震等级有关,具体你可查看本工程设计图纸对照16G101-1图集),梁的高度必须大于直锚长度。如梁高度不够,采用弯锚,弯锚长度为0.4的锚固长度+15倍的钢筋直径。
边角柱分为梁锚柱,还是柱锚梁。两者长度不同。
如采用梁锚柱,是1.7的锚固长度。柱锚梁是1.5倍的锚固长度。
具体锚固长度与混凝土强度等级和抗震等级有关,具体你可查看本工程设计图纸对照16G101-1图集。
全手打,望采纳。不懂问我。

回答(3):

直径的35倍

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