US-China Joint Research on Analytical and Experimental Studies of Hybrid Controlled Structures with Soil-Structure Interaction

中美土-结构相互作用混合控制结构分析与实验研究联合研究

• 批准号: 9903136
• 负责人: Franklin Cheng
• 金额: $ 25.67万
• 依托单位: Missouri University of Science and Technology
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 1999
• 资助国家: 美国
• 起止时间: 1999-08-15 至 2002-07-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9903136&HistoricalAwards=false
• 关键词: US; China; Joint; Research; Analytical

This project is a joint effort of analytical and experimental studies of hybrid controlled structures with soil-structure interaction (SSI) to be conducted between University of Missouri (UMR) and Tongji University under the US-China Earthquake Protocol, Annex III.The research at UMR includes: development, verification and refinement of the optimal control algorithm including intelligent feedback gain and observer technique as well as optimum controller robust placement; design and fabrication of experimental facilities for super-hybrid damper-actuator-control system; software development and computer simulation of structural response of various structural models for a wide range of ground motions; stability of components and system identification; shaking table tests; and numberical simulation of structural modelsResearch to be conducted at Tongji University includes: analytical study and shaking table test of soil characteristics such as shear and bearing capacity of a foundation model; fabrication of structural model according to soil capacity; shaking table test of hybrid controlled structures; and field experiments with blast-loading to verifty Tongji shaking table test results and UMR analytical results.This is a US-PRC cooperative research project.

本项目是密苏里州大学和同济大学根据《中美地震协议》附件III共同开展的土-结构相互作用混合控制结构分析和试验研究的成果。发展，验证和完善的最优控制算法，包括智能反馈增益和观测器技术，以及最优控制器的鲁棒性安置;设计和制造超级混合阻尼器-致动器-控制系统的实验设备;各种结构模型对各种地面运动的结构响应的软件开发和计算机模拟;部件的稳定性和系统识别;振动台试验;以及结构模型的数字模拟。基础模型的抗剪承载力等土特性分析研究和振动台试验，根据土的承载力制作结构模型，混合控制结构的振动台试验，并进行了现场爆破试验，验证了同济地震振动台试验结果和UMR分析结果。