水运工程结构水平向地震作用分析——论水运工程地震动参数的正确取用

Analysis of horizontal earthquake action in water transport engineering structures:On the correct use of seismic ground motion parameter for water transport engineering seismic

结合现行《中国地震动参数区划图》、水运工程及相关行业抗震设计规范,讨论地震动参数区划图变化对行业抗震设计规范的影响,阐述水平向地震系数和动力放大系数在水运工程抗震设计中的意义。根据新版地震动参数区划图提出了相应的取值建议,指出了水运工程抗震设计规范修订的紧迫性,为正确理解水运工程结构抗震设计规范和合理选取地震动参数提供参考。对促进上下层级抗震设计标准之间的系统化工作有积极意义。

Combining with the current Seismic ground motion parameters zonation map of China and the seismic design codes for water transport engineering and related industries,the influence of the change of seismic ground motion parameters zonation map on the seismic design codes of various industries is discussed.The significance of horizontal earthquake coefficient and dynamic magnification factor in seismic design of water transport engineering is expounded.According to the new version of the seismic ground motion parameters zonation map,suggestions for the values are put forward.The urgency of revising code for seismic design of water transport engineering is pointed out.It can provide reference for correct understanding of seismic design code standard of water transport engineering structure and reasonable selection of seismic ground motion parameter.It is of positive significance to promote the systematic work between upper and lower levels of the seismic design standards.