受拉钢筋抗震锚固长度一览表
本工程为二级抗辰结构,非特殊环境,甬用受拉钢月力锚固长度如下:
钢筋种类
碌等级
钢筋直径
锚固长度
钢筋种类
碌等级
钢筋直径
锚固长度
HRB400
C40
12mm
HRB400
C35
12mm
14mm
14mm
16mm
16mm
18mm
18mm
20mm
667mm
20mm
736mm
22mm
22mm
25mm
25mm
920mm
HRB400
C30
12mm
483mm
HRB400
C25
12mm
552mm
14mm
14mm
644mm
16mm
644mm
16mm
736mm
18mm
18mm
828mm
20mm
805mm
20mm
920mm
22mm
22mm
1012mm
25mm
25mm
1150mm
HPB300
C40
12mm
345mm
HPB300
C35
12mm
14mm
14mm
16mm
460mm
16mm
18mm
18mm
20mm
575mm
20mm
644mm
22mm
22mm
25mm
25mm
805mm
HPB300
C30
12mm
414mm
HPB300
C25
12mm
14mm
483mm
14mm
16mm
552mm
16mm
18mm
621mm
18mm
20mm
690mm
20mm
782mm
759mm
22mm
22mm
25mm
25mm
注:
1、 计算式:LaE=[ aEX,a (Laia或 aELa, La=[ slab)
2、 其中,由受拉钢筋锚固长度修正系数, (aE抗震锚固长度修正系数
3、 以上数据仅供参考。
常用钢筋锚固长度 来自淘豆网www.taodocs.com转载请标明出处.