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下列关于梁中钢筋的保护层厚度的说法,正确的是 ( )。

A、钢筋表面至梁表面的距离
B、钢筋形心至梁表面的距离
C、主筋表面至梁表面的距离
D、主筋形心至梁表面的距离
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正确答案:

A

答案解析:

根据《混凝土结构设计规范》GB50010--2010第2.1.18条规定,结构构件中钢筋外边缘至构件表面范围用于保护钢筋的混凝土,简称保护层(即钢筋表面至梁表面的距离)。

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