U.S.-Austria Cooperative Research on the Design of Earthquake Resistant Structures

美奥抗震结构设计合作研究

• 批准号: 9024699
• 负责人: Phillip Gould
• 金额: $ 0.7万
• 依托单位: Washington University
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 1991
• 资助国家: 美国
• 起止时间: 1991-09-01 至 1993-02-28
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9024699&HistoricalAwards=false
• 关键词: U.S.; Austria; Cooperative; Research; Design

This award supports Professor Phillip L. Gould and a graduate student at Washington University, St. Louis, to collaborate in civil engineering research with Professor Gerhart I. Schueller of the Institute of Mechanics, University of Innsbruck, Austria. They share an interest in the response of structures to the strong ground motions of earthquakes. Professor Gould is currently supported by the Earthquake Engineering Section of NSF for a study of the interaction effects on pile-supported structures subject to severe ground motion during the Loma Prieta earthquake of 1989. One particular structure near San Francisco is the main focus of that study. Through collaboration with Professor Schueller and his colleagues, it will be possible to introduce probabilistic and simulation techniques to extend this research and generalize the results. This will significantly increase the interpretation and application of the anticipated results of the ongoing study. The structure under study by Professor Gould and colleagues is located in a region that sustained locally heavy damage during the 1989 earthquake; however, it survived with only minor cracking. It is suspected that the flexible pile foundation interacting with the surrounding soft soil played a major role in this outcome. The contribution of the Austrian investigators, who are expert in statistical methods, will enable the results to be applied to the effects of other earthquakes which may take place at many places in the world. This generalization would facilitate the design of structures to take advantage of the energy dissipation provided by soil-pile-structure interaction, and thereby improve the survivability of the structure and the safety of the occupants.

该奖项支持Phillip L. Gould教授和圣路易斯华盛顿大学的一名研究生与奥地利因斯布鲁克大学力学研究所的Gerhart I. Schueller教授在土木工程研究方面的合作。他们对建筑物对地震强烈地面运动的反应有共同的兴趣。Gould教授目前受到美国国家科学基金会地震工程部的支持，研究了1989年洛马普里塔地震中受强烈地面运动影响的桩基结构的相互作用。旧金山附近的一个特殊结构是该研究的主要焦点。通过与Schueller教授及其同事的合作，将有可能引入概率和模拟技术来扩展这项研究并推广结果。这将大大增加对正在进行的研究的预期结果的解释和应用。古尔德教授及其同事所研究的结构位于1989年地震中遭受局部严重破坏的地区；然而，它幸存下来，只有轻微的裂缝。推测柔性桩基础与周围软土的相互作用是造成这一结果的主要原因。奥地利调查人员是统计方法方面的专家，他们的贡献将使研究结果能够应用于世界上许多地方可能发生的其他地震的影响。这种推广将有助于结构设计利用土-桩-结构相互作用提供的能量耗散，从而提高结构的生存能力和居住者的安全性。