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钢筋保护层的厚度,是指从受力主筋的外边缘到构件混凝土外边缘的距离,也就是受力主筋外皮到构件表面的尺寸。近年来,有部分工程因钢筋保护层的厚度严重超出规范要求,出现一些质量问题,从而直接影响到钢筋混凝土结构的承载力和耐久性。
The thickness of the protective layer of a steel bar refers to the distance from the outer edge of the stressed main bar to the outer edge of the concrete of the component, that is, the size of the outer surface of the stressed main bar to the surface of the component. In recent years, due to the thickness of the protective layer of the steel bar, some projects have exceeded the regulatory requirements seriously, and some quality problems have appeared, which directly affect the bearing capacity and durability of the reinforced concrete structures.