ASCE/SEI 41-23: Seismic Evaluation and Retrofit of Existing Buildings PDF Download
美标《既有建筑抗震评估与加固标准》PDF 下载
ASCE 41-23 由美国土木工程师学会（ASCE）结构工程分会编制，是专门针对既有建筑进行抗震性能评估与加固的权威技术标准。该规范采用基于性能的抗震设计（PBSD）理念，提供三级评估流程（Tier 1~3），可针对不同建筑类型和地震危险等级，系统识别结构缺陷并制定加固方案。新版全面整合了美国最新地震动区划图（USGS 2023），并引入了对钢结构、混凝土、砌体、木结构等多种材料的构件建模参数与验收标准，同时新增非线性分析条款和耗能减震系统要求，是既有建筑抗震韧性提升的核心依据
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