Location
St. Louis, Missouri
Presentation Date
13 Mar 1991, 1:30 pm - 3:30 pm
Abstract
A computer program, originally prepared to evaluate stresses and displacements below an axisymmetric surface footing subjected to torsional loadings, has been modified to accommodate embedded footings. The material surrounding the footing can be considered as elastic, nonlinear inelastic or nonlinear inelastic including slip. Layered systems can also be treated. Good agreement was obtained in comparisons with published solutions for elastic systems, as obtained by the finite element method, and by an approximate method. In particular, comparisons were made for variations at maximum amplitude of rotation and dimensionless frequency at maximum amplitude of rotation as functions of the embedment ratio. The influence of soil nonlinearity and slip at the footing boundary were computed for conditions similar to those for a circular embedded footing previously tested in the field. Comparisons of computed and field results showed the importance of including soil nonlinearity and slip at the footing periphery when evaluating test data.
Department(s)
Civil, Architectural and Environmental Engineering
Meeting Name
2nd International Conference on Recent Advances in Geotechnical Earthquake Engineering and Soil Dynamics
Publisher
University of Missouri--Rolla
Document Version
Final Version
Rights
© 1991 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
Yu, Peiji; Wylle, E. B.; and Richart, F. E. Jr., "Torsional Dynamic Response of Embedded Footings" (1991). International Conferences on Recent Advances in Geotechnical Earthquake Engineering and Soil Dynamics. 24.
https://scholarsmine.mst.edu/icrageesd/02icrageesd/session11/24
Included in
Torsional Dynamic Response of Embedded Footings
St. Louis, Missouri
A computer program, originally prepared to evaluate stresses and displacements below an axisymmetric surface footing subjected to torsional loadings, has been modified to accommodate embedded footings. The material surrounding the footing can be considered as elastic, nonlinear inelastic or nonlinear inelastic including slip. Layered systems can also be treated. Good agreement was obtained in comparisons with published solutions for elastic systems, as obtained by the finite element method, and by an approximate method. In particular, comparisons were made for variations at maximum amplitude of rotation and dimensionless frequency at maximum amplitude of rotation as functions of the embedment ratio. The influence of soil nonlinearity and slip at the footing boundary were computed for conditions similar to those for a circular embedded footing previously tested in the field. Comparisons of computed and field results showed the importance of including soil nonlinearity and slip at the footing periphery when evaluating test data.
