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通过对大保护层钢筋混凝土构件的试验研究,建立了裂缝间距的计算模式,提出了含有保护层C的抗裂、裂缝间距及裂缝宽度的计算公式,着重论述了保护层引起的机理,所建议的公式对大小保护层均适用且与试验数据很吻合。
Through the experimental research on the large protective layer reinforced concrete members, the calculation mode of the crack spacing is established, and the calculation formulas of crack resistance, crack spacing and crack width with protective layer C are put forward. The mechanism caused by the protective layer is emphatically discussed. The formula for the size of the protective layer are applicable and consistent with the experimental data.