Hollow cylinder torsional shear tests to evaluate the role of principal stress directions on cyclic resistance
S Sivathayalan, V Manmatharajan, P Logeswaran
In the proceedings of: GEO2011: 64th Canadian Geotechnical Conference, 14th Pan-American Conference on Soil Mechanics and Geotechnical Engineering, 5th Pan-American Conference on Teaching and Learning of Geotechnical EngineeringSession: Laboratory Testing
RESUMEN: Un nuevo dispositivo tubular para medir esfuerzos de cortante bajo cargas de torsión se ha fabricado en la Universidad de Carleton y ha sido utilizado para estudiar los efectos de la rotación del esfuerzo principal en la resistencia bajo cargas cíclicas. Muestras con condiciones iniciales idénticas fueron sometidas a un esfuerzo cíclico determinado pero siguiendo una trayectoria con niveles diferentes de rotación de esfuerzos. Las trayectorias de carga exploradas incluyen una rotación continua y suave, sin cambios drásticos, y otra con cambios bruscos. Los resultados parecen indicar que, bajo cargas cíclicas, la sigue la dirección de los estratos de depósito en la muestra como se creía. También se demuestra que una prueba cíclica simple de cortante es un ensaye adecuado para determinar la resistencia a cargas cíclicas.
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Sivathayalan, S, Manmatharajan, V, Logeswaran, P (2011) Hollow cylinder torsional shear tests to evaluate the role of principal stress directions on cyclic resistance in GEO2011. Ottawa, Ontario: Canadian Geotechnical Society.
@inproceedings{Sivathayalan_GEO2011_388,
author = {{Sivathayalan, S}, {Manmatharajan, V}, {Logeswaran, P}}
title = {Hollow cylinder torsional shear tests to evaluate the role of principal stress directions on cyclic resistance}
booktitle = {Proceedings of the 64th Canadian Geotechnical Conference, 14th Pan-American Conference on Soil Mechanics and Geotechnical Engineering, 5th Pan-American Conference on Teaching and Learning of Geotechnical Engineering}
year = {2011}
organization = {The Canadian Geotechnical Society},
address = {Ottawa, Canada} }
title = {Hollow cylinder torsional shear tests to evaluate the role of principal stress directions on cyclic resistance}
booktitle = {Proceedings of the 64th Canadian Geotechnical Conference, 14th Pan-American Conference on Soil Mechanics and Geotechnical Engineering, 5th Pan-American Conference on Teaching and Learning of Geotechnical Engineering}
year = {2011}
organization = {The Canadian Geotechnical Society},
address = {Ottawa, Canada} }