本文件提供了混凝土结构抗震评估和改造的要求。 它可用于降低地震事件中结构倒塌或翻转造成的地震损害风险。 本文件提供了详细地震评估方法的框架和原则，以及在发生严重地震前对现有钢筋混凝土结构和遭受地震袭击的结构进行的判断、抗震改造计划和设计、抗震改造执行。购买本文件时可获得的所有当前修订均包含在购买本文件中。

This document provides requirements for seismic assessment and retrofit of concrete structures. It can be used to reduce the risk of seismic damage by structural collapse or turnover during a seismic event. This document provides the framework and principles of methods of detailed seismic assessment and the judgment, seismic retrofit plan and design, seismic retrofit execution of existing reinforced concrete structures before the occurrence of a severe earthquake and of the structures struck by an earthquake.All current amendments available at time of purchase are included with the purchase of this document.