| Issue |
E3S Web Conf.
Volume 569, 2024
GeoAmericas 2024 - 5th Pan-American Conference on Geosynthetics
|
|
|---|---|---|
| Article Number | 10001 | |
| Number of page(s) | 6 | |
| Section | Infrastructure Improvement 1 | |
| DOI | https://doi.org/10.1051/e3sconf/202456910001 | |
| Published online | 19 September 2024 | |
Rocking foundations on geosynthetic-improved sand
1 University of California San Diego, Department of Structural Engineering, 9500 Gilman Dr., La Jolla, CA 92093-0085, USA
2 Howard University, Department of Civil and Environmental Engineering, 2300 Sixth Street, NW Washington, D.C. 20059, USA
3 Arizona State University, School of Sustainable Engineering and the Built Environment, 660 S. College Avenue Tempe, Arizona 85281, USA
* Corresponding author: mccartney@ucsd.edu
This study focuses on the load-deformation response of a heavily loaded rocking footing on geogrid-reinforced sand via centrifuge-model scale shake table tests. To mitigate issues observed with overturning failure and excessive settlement of shallow footings on unimproved ground, geogrid reinforcement can help control footing kinematics while maintaining the enhanced energy dissipation of a rocking footing. The scalemodel geogrid evaluated in this study was manufactured with 3D printing and placed at a depth equal to the footing width. Shake sequences induced controlled yielding, and the geogrid was observed to reduce settlement during rocking and preserved recentering under strong shaking.
© The Authors, published by EDP Sciences, 2024
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