Location
San Diego, California
Presentation Date
29 Mar 2001, 4:00 pm - 6:00 pm
Abstract
Under the assumption that as a result of earthquake loading the backfill behind a gravity wall reaches an active state, and with further increase in the earthquake acceleration the wall slides outwards, the soil-wall system consists of two bodies, each sliding along a different inclination: (a) the active soil wedge that slides with the inclination of least resistance in the backfill, and (b) the wall that slides along the soil-wall boundary at the base. This paper first gives the equation of motion of the 2-block sliding system described above that models the seismic response of vertical gravity walls retaining dry sand. Then, using the principle of limit equilibrium it gives analytical expressions giving (a) the angle of the prism of the active soil wedge, and (b) the corresponding value of the critical acceleration. Finally, differences between the predicted displacement by the new model and those of Newmark’s sliding-block model are detected and discussed.
Department(s)
Civil, Architectural and Environmental Engineering
Meeting Name
4th International Conference on Recent Advances in Geotechnical Earthquake Engineering and Soil Dynamics
Publisher
University of Missouri--Rolla
Document Version
Final Version
Rights
© 2001 University of Missouri--Rolla, 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
Stamatopoulos, Constantine A. and Velgaki, Eleni G., "Critical Acceleration and Seismic Displacement of Vertical Gravity Walls By a Two Body Model" (2001). International Conferences on Recent Advances in Geotechnical Earthquake Engineering and Soil Dynamics. 1.
https://scholarsmine.mst.edu/icrageesd/04icrageesd/session07/1
Included in
Critical Acceleration and Seismic Displacement of Vertical Gravity Walls By a Two Body Model
San Diego, California
Under the assumption that as a result of earthquake loading the backfill behind a gravity wall reaches an active state, and with further increase in the earthquake acceleration the wall slides outwards, the soil-wall system consists of two bodies, each sliding along a different inclination: (a) the active soil wedge that slides with the inclination of least resistance in the backfill, and (b) the wall that slides along the soil-wall boundary at the base. This paper first gives the equation of motion of the 2-block sliding system described above that models the seismic response of vertical gravity walls retaining dry sand. Then, using the principle of limit equilibrium it gives analytical expressions giving (a) the angle of the prism of the active soil wedge, and (b) the corresponding value of the critical acceleration. Finally, differences between the predicted displacement by the new model and those of Newmark’s sliding-block model are detected and discussed.
