考虑保护层施工偏差的混凝土结构耐久性设计

摘要

对近30 a来设计和施工的港口码头进行保护层厚度数据的统计调查，分析了保护层厚度设计值、标准差的变化趋势，总结得出了标准差与保护层厚度设计值的关系，将研究结果引入结构耐久性寿命预测模型。%According to the survey data of the ports designed and constructed of in the past 30 years, the trend of the design value and the standard difference of the thickness of concrete cover are analyzed,the relationship between the standard differ-ence and the design value of the thickness of concrete cover is summarized,and the results are used to calibrate the life pre-diction model for concrete structure.