Earthquake Resistant Design and Remediation of Lifelines and Deep Foundations Subjected to Liquefaction: Case Histories,Modeling, and Coordination

遭受液化的生命线和深层基础的抗震设计和修复：案例历史、建模和协调

• 批准号: 9812557
• 负责人: Thomas O'Rourke
• 金额: $ 3.7万
• 依托单位: Cornell University
• 依托单位国家: 美国
• 项目类别: Continuing grant
• 财政年份: 1998
• 资助国家: 美国
• 起止时间: 1998-09-15 至 2000-08-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9812557&HistoricalAwards=false
• 关键词: Earthquake; Resistant; Design; Remediation; Lifelines

The 1995 Hyogoen-Nanbu earthquake claimed more than 5500 lives and caused damage in excess of 100 billion dollars. Gas, water, and electric utility lines reptured. Bridges and overpasses on highways, railroads and subways collapsed. High-rise residential and office structures were severely damaged. Liquefied soils settled and spread laterally along the coarse and in docks, piers, sea walls, and quays. Kilometers of docks and quay walls titled and settled both at the coast and in the man-made islands, Port Island and Rokko Island. The entire port of Kobe was almost completely destroyed. This urban disaster resulted from a earthquake striking directly within a densely populated urban area. A similar devastation was fortunately avoided in the San Fernando Valley in California since the 199 Northridge earthquake released its energy away from populated areas.This action is to support a collaborative research program involving a team of US and Japanese researchers. The US side includes professors and students form Cornell University, Rensselaer Polytechnic Institute, and the University of Southern California. Several US government and industry organizations have also agreed to cooperate in the proposed work, including the new Center for Advanced Technologies in Earthquake Loss Reduction [CAELR- formerly NCEER], the Pacific Gas and Electric Company (PG&E), U.S. Army Corps of Engineers, U.S Geological survey, and Woodward-Clyde Consultants. On the Japanese side, the team consists of professors and students form Kyoto University, Tokyo Institute of Technology, University of Tokyo, Waseda University, and Yamaguchi University. Several Japanese government and industry organizations will also contribute to the research effort. The main objective is to investigate the effects of liquefaction induced deformation on foundations and lifeline systems in the 1994 Northridge and 1995 Hyogoken-Nanbu earthquakes, and to propose engineering solutions to mitigate these devastating effects in future earthquakes. The findings of the research teams will contribute to the implementation of performance-based design in geotechnical and structural engineering in the United States and Japan.

1995 年兵库县南部地震夺去了 5500 多人的生命，造成的损失超过 1000 亿美元。 煤气、水和电力线路已恢复。 高速公路、铁路和地铁上的桥梁和立交桥倒塌。 高层住宅和办公建筑遭到严重破坏。 液化土壤沿着粗糙的码头、桥墩、海堤和码头沉降并横向扩展。 数公里长的码头和码头墙在海岸和人造岛屿（港口岛和六甲岛）上倾斜和固定。 整个神户港几乎完全被摧毁。 这场城市灾难是由地震直接袭击人口稠密的城市地区造成的。 幸运的是，自 199 年北岭地震将能量从人口稠密地区释放出来以来，加利福尼亚州圣费尔南多谷避免了类似的破坏。这一行动是为了支持一个由美国和日本研究人员组成的团队参与的合作研究项目。 美方包括康奈尔大学、伦斯勒理工学院、南加州大学的教授和学生。 一些美国政府和行业组织也同意在拟议的工作中进行合作，包括新的地震减损先进技术中心[CAELR-前身为NCEER]、太平洋天然气和电力公司(PG&E)、美国陆军工程兵团、美国地质调查局和伍德沃德-克莱德咨询公司。 日本方面，团队由京都大学、东京工业大学、东京大学、早稻田大学、山口大学的教授和学生组成。 一些日本政府和行业组织也将为这项研究工作做出贡献。 主要目标是研究 1994 年北岭地震和 1995 年兵库县南部地震中液化引起的变形对地基和生命线系统的影响，并提出工程解决方案以减轻未来地震中的这些破坏性影响。 研究团队的研究结果将有助于美国和日本岩土和结构工程中基于性能的设计的实施。