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对实腹式型钢与高强混凝土（Ｃ８０）的粘结性能进行了试验研究、分析了型钢与混凝土的粘结机理以及影响粘结性能的因素，给出粘结力－滑移（Ｐ－△）本构关系和粘结应力分布模式，提出了满足工程精度的粘结力计算公式，并分析推导了临界保护层厚度的计算公式。
The bonding properties of solid abdominal steel and high-strength concrete (C80) were studied experimentally, the bonding mechanism between steel and concrete and the factors affecting the bonding performance were analyzed, and the adhesion-slip (P-△) was given. Based on the constitutive relationship and the bond stress distribution model, the formula for calculating the bond strength that meets the engineering accuracy is proposed, and the formula for calculating the thickness of the critical protective layer is analyzed and deduced.