Evaluation of Ground Motion Scaling Methods for Nonlinear Analysis of Structural Systems

用于结构系统非线性分析的地面运动缩放方法的评估

基本信息

  • 批准号:
    0928662
  • 负责人:
  • 金额:
    $ 11万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2009
  • 资助国家:
    美国
  • 起止时间:
    2009-09-01 至 2013-02-28
  • 项目状态:
    已结题

项目摘要

The broad research objective of this award is to assess and develop earthquake ground motion selection and modification (i.e., scaling) methods for the nonlinear response history analysis of building structures. To achieve this objective, the research will: (1) conduct a large number of small-scale shake-table experiments of re-configurable nonlinear multi-degree-of-freedom structural models; (2) investigate how different site conditions, hazard levels, and structure characteristics affect the accuracy and efficiency of the scaling methods; and (3) use the experimental ?benchmark? results to develop seismic design guidelines and procedures for structures with regular and irregular configurations. The shake-table tests will form the first experimental study on nonlinear dynamic response considering a wide range of building characteristics and ground motions. These deliverables will not only provide the evidence needed to develop consensus on how an appropriate suite of records should be selected and scaled in seismic design, but also establish the minimum number of records needed to retain accuracy in the median engineering demand estimates with minimum dispersion.If successful, the project will represent a major advancement on the design of reliable earthquake-resistant buildings with ancillary contributions to engineering seismology, thus providing direct service to society by mitigating loss of life and property from future seismic events. Prominent practicing engineers and relevant professional organizations will be engaged to ensure rapid dissemination of the results. The workforce impact will include one Ph.D. student and several undergraduates, strongly focusing on underrepresented groups. The project team will include researchers from a predominately-undergraduate institution (Cal State - Sacramento). The researchers will also utilize the project to educate future engineers through K12 activities. To further enhance the broader impacts from the project, a new experiential learning module will be developed to demonstrate basic concepts in earthquake engineering using smaller versions of the nonlinear model structures on a portable shake-table.
该奖项的广泛研究目标是评估和发展地震地面运动的选择和修改(即,缩尺法用于建筑结构的非线性反应时程分析。为了实现这一目标,本研究将:(1)进行大量的可重构非线性多自由度结构模型的小型振动台试验;(2)调查不同的场地条件,危害水平和结构特性如何影响缩放方法的准确性和效率;和(3)使用实验?基准?结果,以制定抗震设计准则和程序的结构与规则和不规则的配置。振动台试验将形成第一个考虑广泛的建筑物特性和地面运动的非线性动力响应的实验研究。这些可交付成果不仅将提供所需的证据,以便就如何在抗震设计中选择和缩放适当的记录套件达成共识,而且还将确定在离散度最小的情况下保持中值工程需求估算准确性所需的最少记录数量。如果成功,该项目将代表可靠抗震建筑物设计的重大进步,并对工程地震学作出辅助贡献,从而通过减轻未来地震事件造成的生命和财产损失为社会提供直接服务。将邀请杰出的执业工程师和相关专业组织参与,以确保迅速传播结果。劳动力的影响将包括一个博士学位。学生和几名本科生,重点关注代表性不足的群体。该项目小组将包括来自主要本科院校(加州州立大学-萨克拉门托)的研究人员。研究人员还将利用该项目通过K12活动教育未来的工程师。为了进一步加强该项目的广泛影响,将开发一个新的经验学习模块,在便携式振动台上使用较小版本的非线性模型结构来演示地震工程的基本概念。

项目成果

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Yahya Kurama其他文献

Yahya Kurama的其他文献

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{{ truncateString('Yahya Kurama', 18)}}的其他基金

Analysis, Design and System-Level Performance of Repairable Precast Concrete Buckling-Restrained Braced Frames under Seismic Loads
地震荷载下可修复预制混凝土屈曲约束支撑框架的分析、设计和系统级性能
  • 批准号:
    2230187
  • 财政年份:
    2023
  • 资助金额:
    $ 11万
  • 项目类别:
    Standard Grant
Recycled Concrete Aggregates for New Concrete Buildings for sustainability
用于新建混凝土建筑的再生混凝土骨料以实现可持续发展
  • 批准号:
    1436758
  • 财政年份:
    2014
  • 资助金额:
    $ 11万
  • 项目类别:
    Standard Grant
NEESR-CR: Post-Tensioned Coupled Shear Wall Systems
NEESR-CR:后张耦合剪力墙系统
  • 批准号:
    1041598
  • 财政年份:
    2010
  • 资助金额:
    $ 11万
  • 项目类别:
    Standard Grant
RC Bearing Walls Subjected to Elevated Temperatures
承受高温的 RC 承重墙
  • 批准号:
    0800356
  • 财政年份:
    2008
  • 资助金额:
    $ 11万
  • 项目类别:
    Standard Grant
Precast Concrete Coupling Beams for RC Walls
RC 墙预制混凝土连梁
  • 批准号:
    0409114
  • 财政年份:
    2004
  • 资助金额:
    $ 11万
  • 项目类别:
    Standard Grant
Natural Hazard Mitigation Experiences in Japan
日本的自然灾害减灾经验
  • 批准号:
    0101111
  • 财政年份:
    2001
  • 资助金额:
    $ 11万
  • 项目类别:
    Standard Grant
CAREER: Seismic Behavior and Design of Non-Emulative Precast Concrete Buildings with Supplemental Passive Energy Dissipation
职业:具有辅助被动消能功能的非仿真预制混凝土建筑的抗震性能和设计
  • 批准号:
    9874872
  • 财政年份:
    1999
  • 资助金额:
    $ 11万
  • 项目类别:
    Continuing Grant
Seismic Design and Parametric Response Evaluation of Unbonded Post-Tensioned Hybrid Coupled Walls
无粘结后张法混合耦合墙的抗震设计和参数响应评估
  • 批准号:
    9810067
  • 财政年份:
    1998
  • 资助金额:
    $ 11万
  • 项目类别:
    Standard Grant

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