3D effects of seismic ground motion in the Taipei Basin and implications for hazard and risk

台北盆地地震地面运动的 3D 效应及其对灾害和风险的影响

• 批准号: 27463483
• 负责人: Professor Dr. Friedemann Wenzel
• 金额: --
• 依托单位: Geophysikalisches Institut (GPI)
• 依托单位国家: 德国
• 项目类别: Research Grants
• 财政年份: 2007
• 资助国家: 德国
• 起止时间: 2006-12-31 至 2008-12-31
• 项目状态: 已结题
• 来源: https://gepris.dfg.de/gepris/projekt/27463483?language=en
• 关键词: 3D; effects; seismic; ground; motion

Taipei, the capital of Taiwan, experienced several damaging earthquakes in the past decades. With a comprehensive data base of observed accelerograms, geotechnical parameters, and information on basin geometry, the Taipei basin represents one of the best examples in the world where basin and site effects for shallow and intermediate depth earthquakes can be studied. The main goals of the proposed research are: (1) understanding of the Taipei basin response by 2D-3D elastic modeling; (2) comparison of computational results with the many instrumental records including the analysis of advantages and limitations of the 2D-3D modeling; (3) incorporation of the results into hazard assessment procedures (deterministic and probabilistic). The results of site-dependent seismic hazard estimates for the Taipei basin will be critical for a re-evaluation of the Building Code requirements, earthquake loss estimation and evaluation of seismic reliability of existing structures. The insight into the influence of wave propagation in a relatively small sedimentary basin on ground motion characteristics should be transferable to comparable regions with a less developed data base.

台湾的首都台北在过去的几十年里经历了几次破坏性的地震。台北盆地拥有全面的观测加速度、岩土参数和盆地几何信息数据库，是世界上研究浅层和中深度地震的盆地和场地效应的最佳范例之一。本研究的主要目标是：(1)利用二维-三维弹性模型了解台北盆地的响应；(2)将计算结果与许多仪器记录进行比较，分析了2D-3D建模的优点和局限性；(3)将结果纳入危害评估程序（确定性和概率性）。台北市盆地的地震灾害评估结果，对于重新评估建筑规范要求、地震损失评估和现有结构的地震可靠性评估至关重要。在一个相对较小的沉积盆地中，对波传播对地面运动特征的影响的认识应该可以转移到数据库不太发达的可比地区。

项目成果

Analysis of Taipei Basin Response for Earthquakes of Various Depths and Locations Using Empirical Data

利用经验数据分析台北盆地对不同深度和地点地震的响应

• DOI: 10.3319/tao.2008.10.15.01(t
• 发表时间: 2009
• 期刊: Terrestrial Atmospheric and Oceanic Sciences
• 影响因子: 0.8
• 作者: Sokolov;K.-L. Wen;J. Miksat;F. Wenzel;Ch.-T. Chen
• 通讯作者: Ch.-T. Chen