Service Life Evaluation—Design Specification ACI CODE 365-24
混凝土结构服役寿命评估—设计规范 ACI 365-24 PDF下载
主要内容
适用范围：新建与既有混凝土结构在设计阶段进行服役寿命预测与评估。
环境作用分级：按碳化、氯盐、冻融、磨蚀等环境类别确定作用等级。
寿命设计指标：极限状态定义（初裂、钢筋脱钝、承载力下降）及可接受失效概率。
材料与模型：水胶比、氯离子扩散系数、碳化速率模型、钢筋腐蚀速率预测公式。
验证与监测：实验室快速试验、现场暴露试验、长期健康监测数据对比要求。
设计流程：寿命目标设定→环境荷载→劣化模型→可靠度分析→防护措施与维修策略。
条文说明：模型校准方法、不确定性处理、国际案例对比及参数选取指南。
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