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意大利那波勒斯消防大楼的结构是一种钢-混凝土组合式体系,它的四个楼层均悬挂在顶部的钢梁上。由于它是比较重要的建筑物,所以采用了特殊的装置以保证其在地震时的安全。按照规范进行抗震设计时,必须考虑结构强度、变形和能量的吸收能力.强度是用以保证结构处于弹性阶段时抵抗设计地震力的必要条件。变形则意味着受到强烈地震时结构超出弹性极限后仍能继续安全地变形。结构所以能避免其彻底的破坏而残存下来则是由于它具有承受非弹性变
The structure of Napoli Fire House in Italy is a steel-concrete modular system. Its four floors are suspended on the top of the steel beam. Because it is a relatively important building, special equipment is used to ensure its safety during an earthquake. When seismic design is conducted in accordance with the specifications, the structural strength, deformation, and energy absorption capacity must be considered. Intensity is a necessary condition to ensure that the structure is in the elastic phase and resists the design seismic force. Deformation means that the structure can continue to deform safely even after being subjected to strong earthquakes beyond the elastic limit. The structure can survive its complete destruction and survive because it has undergone inelastic changes.