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一、前言 地震灾害主要来源于人造结构的毁坏。对于新建工程,制定抗震设计规范,并作为法令颁布,监督执行是保障地震安全的根本措施。现在,已有三十四个国家先后制定了抗震设计规范。致于老旧建筑,普遍认为是未来强震时对人类的最大威胁。抗震设计规范颁发越晚的国家,这种威胁也越大。目前主要是通过鉴定加固和结合城乡改造拆
I. Preface Earthquake disasters mainly come from the destruction of man-made structures. For new construction projects, earthquake-resistance design specifications are formulated and promulgated as laws and regulations. Supervision and implementation are the fundamental measures to ensure earthquake safety. At present, thirty-four countries have successively formulated seismic design specifications. Due to old buildings, it is generally considered to be the greatest threat to humanity in the event of a strong earthquake in the future. The more late the earthquake design code is issued, the greater the threat. At present, it is mainly through the identification and reinforcement of urban and rural reconstruction transformation.