当钢筋调直采用冷拉方法调直时,HRB,335,HRB,400,HRB,500,HRB,F335,HRB,F400,HRB,F500及RRB,400带肋钢筋的冷拉率不宜大于()。


当钢筋调直采用冷拉方法调直时,HRB,335,HRB,400,HRB,500,HRB,F335,HRB,F400,HRB,F500及RRB,400带肋钢筋的冷拉率不宜大于()。

A.1%

B.2%

C.4%

D.2.5%

正确答案:B


Tag:钢筋 方法 时间:2024-11-21 22:16:58