Location
San Diego, California
Presentation Date
29 May 2010, 8:00 am - 9:30 am
Abstract
Retaining Wall failures have frequently occurred during seismic events and have therefore been the subject of much research. The pseudo-static force designs, based on the Mononobe-Okabe earth pressure coefficient equations, have been adopted by most current design codes due to its simplicity and ease of use. However, it is clear that there are limitations attached with this approach and more research is required into how the earth pressures develop during seismic events. This paper investigates the seismic behaviour of sheet pile retaining walls using centrifuge testing facilities. In addition to using bending moment strain gauges on the wall, new generation earth pressure cells have also been used to investigate the generation of active and passive earth pressures. The results indicate that Mononobe-Okabe equations give relatively good estimates of active earth pressures but may be over-predicting passive earth pressures at certain peak ground acceleration levels. It was also found that earth pressure cells are successful in providing good qualitative data but are unable to produce quantitative results. Based on these results, it is suggested that pseudo-static force design may not be appropriate in all cases and better solutions, which are equally easy to implement, should be explored.
Department(s)
Civil, Architectural and Environmental Engineering
Meeting Name
5th International Conference on Recent Advances in Geotechnical Earthquake Engineering and Soil Dynamics
Publisher
Missouri University of Science and Technology
Document Version
Final Version
Rights
© 2010 Missouri University of Science and Technology, All rights reserved.
Creative Commons Licensing
This work is licensed under a Creative Commons Attribution-Noncommercial-No Derivative Works 4.0 License.
Document Type
Article - Conference proceedings
File Type
text
Language
English
Recommended Citation
Khokher, Yasir Ramzan and Madabhushi, Gopal, "Dynamic Earth Pressures and Earth Pressure Cell Measurements" (2010). International Conferences on Recent Advances in Geotechnical Earthquake Engineering and Soil Dynamics. 3.
https://scholarsmine.mst.edu/icrageesd/05icrageesd/session08/3
Included in
Dynamic Earth Pressures and Earth Pressure Cell Measurements
San Diego, California
Retaining Wall failures have frequently occurred during seismic events and have therefore been the subject of much research. The pseudo-static force designs, based on the Mononobe-Okabe earth pressure coefficient equations, have been adopted by most current design codes due to its simplicity and ease of use. However, it is clear that there are limitations attached with this approach and more research is required into how the earth pressures develop during seismic events. This paper investigates the seismic behaviour of sheet pile retaining walls using centrifuge testing facilities. In addition to using bending moment strain gauges on the wall, new generation earth pressure cells have also been used to investigate the generation of active and passive earth pressures. The results indicate that Mononobe-Okabe equations give relatively good estimates of active earth pressures but may be over-predicting passive earth pressures at certain peak ground acceleration levels. It was also found that earth pressure cells are successful in providing good qualitative data but are unable to produce quantitative results. Based on these results, it is suggested that pseudo-static force design may not be appropriate in all cases and better solutions, which are equally easy to implement, should be explored.
