Centrifuge Test for Structure with Multiple Shallow Foundations.
Saved in:
| Title: | Centrifuge Test for Structure with Multiple Shallow Foundations. |
|---|---|
| Authors: | Park, Jin-Young1 (AUTHOR), Park, Hong-Gun2 (AUTHOR), Kim, Dong-Kwan3 (AUTHOR) dkkim17@cju.ac.kr |
| Source: | Journal of Earthquake Engineering. Feb2026, Vol. 30 Issue 2, p455-474. 20p. |
| Subjects: | Soil-structure interaction, Shallow foundations, Seismic response, Structural models |
| Abstract: | To investigate the soil–structure interaction (SSI) effect of structures with multiple columns and foundations, centrifuge tests were performed. The test parameters were the foundation reaction and column spacing due to the column layout, and four earthquakes with various magnitudes were used. The test results showed that due to the effect of flexible base, the flexible base periods of the test specimens were greater than the predictions of the fixed base models. Further, under strong earthquakes, the acceleration of the test specimens was only 30% of the predicted acceleration of the fixed base model as the soil did not resist uplift force. On the other hand, the prediction of the flexible base model using nonlinear soil spring (no tension) agreed with the test results. The results of the test and prediction indicate that, for the tested conditions, the fixed base model may overestimate the structural acceleration response, while the flexible base model incorporating soil behavior provides a more accurate prediction. Therefore, in similar shallow foundation conditions, considering flexible base behavior is necessary to avoid overestimation of seismic demand. Based on the compression and tension criteria of foundation capacity, the limit accelerations of the structure models were predicted. The predicted results agreed with the maximum accelerations resulting from the tests. [ABSTRACT FROM AUTHOR] |
| Copyright of Journal of Earthquake Engineering is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) | |
| Database: | Engineering Source |
Be the first to leave a comment!
