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本文对原提出的估算裂缝宽度沿保护层厚度变化规律公式作了订正,同时进一步讨论了影响裂缝形状的主要参数,并将计算与钢筋应力联系起来,便可清楚地看出,随荷载的增大,钢筋表面处裂缝宽度与混凝土表面裂缝宽度的比值也不断增大。
This paper modifies the original formula for estimating the crack width along the thickness of the protective layer. At the same time, it further discusses the main parameters that affect the shape of the crack. By correlating the calculation with the stress of the steel bar, it can be clearly seen that the load increases. The ratio of the crack width at the surface of the steel bar to the crack width at the surface of the concrete also increases.