坑蚀钢筋疲劳寿命预测的等效表面缺陷模型

• 钢筋混凝土
• 桥梁结构
• 坑蚀钢筋
• 疲劳寿命预测
• 等效表面缺陷
• 应力集中系数
• 裂纹萌生寿命
• 裂纹扩展寿命 reinforced concrete
• bridge structure
• pitted corroded steel reinforcement
• fatigue life prediction
• equivalent initial flaw
• stress concentration factor
• crack initiation life
• crack propagation life