原文传递
Implementation of Effective Force Testing for Nonlinear Structures
| 题名： | Implementation of Effective Force Testing for Nonlinear Structures |
| 其他题名： | Chae,Y.,K.Kazemibidokhti,and J.M.Ricles.2013."Adaptive time series compensator for delay compensation of servo-hydraulic actuator systems for real-time hybrid simulation."Earthquake Eng.Struct.Dyn.42(11):1697-1715.https://doi.org/10.1002/eqe.2294. |
| 正文语种： | 英文 |
| 作者： | Yunbyeong Chae |
| 关键词： | structure；real-time；knowledge；different；testin；application；friction；velocity；force；simulation |
| 摘要： | Effective force testing (EFT) is a dynamic testing method that can consider the rate-dependent behavior of a structure. Because of the lack of knowledge of real-time force control for a servohydraulic actuator, however, EFT has seldom been used within the testing community. Recent advances in force control enable the force application to nonlinear structures in real-time and effectively resolve the natural velocity feedback issue of servohydraulic actuators. With the aid of the new real-time force control method, this paper demonstrates EFT conducted for a small-scale nonlinear concrete mass block system combined with a rubber bearing and a frictional slider, which was a challenging task to implement with the previous knowledge of EFT. This study uses two different earthquake ground motions with different frequency contents for the EFT. The accuracy of the applied effective force is evaluated by comparing the time domain data and the response spectra. In addition, a nonlinear numerical model for the test structure is constructed and used for numerical simulation to compare its result with the EFT result. Overall, satisfactory results are obtained, which show that this study successfully conducted the EFT. |
| 出版年： | 2018 |
| 论文唯一标识： | P-26Y2018V144N10032 |
| 英文栏目名称： | ANNIVERSARY PAPERS |
| doi： | 10.1061/(ASCE)ST.1943-541X.0002186 |
| 期刊名称： | Journal of Structural Engineering |
| 拼音刊名(出版物代码)： | P-26 |
| 卷： | 144 |
| 期： | 10 |
| 页码： | 412-422 |
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