题目内容
(请给出正确答案)
[单选题]
当梁、柱中纵向受力钢筋的混凝土保护层厚度大于()时,应对保护层采取有效的防裂措施。
A.15mm
B.25mm
C.30mm
D.40mm
提问人:网友luoyong980
发布时间:2022-01-06
A.15mm
B.25mm
C.30mm
D.40mm
A.25mm,35mm,35mm
B.35mm,25mm,35mm
C.25mm,25mm,35mm
D.25mm,25mm,25mm
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