基于概率分析的钢筋混凝土结构服役寿命预测研究

陈宣东, 章青, 顾鑫, 李星

Probability Analysis on Service Life Prediction of Reinforced Concrete Structures

CHEN Xuandong, ZHANG Qing, GU Xin, LI Xing

表1 输入参数概率分布特征[16,21-23]

Table 1 Probability distribution characteristics of input parameters[16,21-23]

Parameter Distribution Mean COV. Thickness of protective layermm Normal 30 3 Water cement ratio Normal 0.45 0.04 Fly ash content Normal 30% 3% Critical chloride concentration / Kg·m-3 Normal 0.5 0.04 Surface chloride concentration / Kg·m-3 Lognormal 2.4 0.5