摘要
合理选取地震动参数是做好抗震设计的基础。对于延性抗震设计的桥梁,抗震设计的关键部位是墩底加强区。以墩底弯矩为抗震性能指标,分析地震动参数对桥梁抗震性能的影响,总结出相关有益的规律,为工程师在方案设计及初步设计阶段,充分考虑地震动参数的合理性提供参考。
The reasonable selection of ground motion parameters is the foundation for aseismic design. As for the bridge with aseismie ductility design, the critical part of aseismic design is pounding bottom reinforcement area. Taking the bending moment of pounding bottom as the seismic performance index, the influence of ground motion parameters on seismic performance of bridge is analyzed, and relevant helpful rules are summarized, thus providing reference for the engineerg full consideration of reasonability of ground motion parameters in the scheme design and preliminary design phases.
出处
《北方交通》
2016年第10期1-3,共3页
Northern Communications
关键词
反应谱
设防烈度
阻尼
场地类别
地震分组
Response spectrum
Defense intensity
Damping
Site classification
Earthquake grouping
