Theory of Three-Dimensional Discontinuous Deformation Analysis and Its Application to a Slope Toppling at Amatoribashi, Japan
Publication: International Journal of Geomechanics
Volume 5, Issue 3
Abstract
A three-dimensional (3D) rock slope toppling occurred in a discontinuous rock mass. To simulate the failure process and study the mechanism of this rock failure with contact and large displacement in 3D, a new discrete numerical method has been developed called the 3D discontinuous deformation analysis (DDA). This article first introduces the basic principles and then derives the formulas in detail. Finally, the slope failure simulation is applied as an example to investigate the applicability of this new method to rock slope failure research. The simulation results indicate the advantages of using this new method to study the mechanism of a rock slope failure with 3D behavior.
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Acknowledgments
The writers acknowledge Mr. Tasuya Ochiai in the Asia Air Survey Co., Ltd., and Mr. Keiichi Momma of the Japan Association for Ring Net Barrier for their kind help with this study.
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Information
Published In
International Journal of Geomechanics
Volume 5 • Issue 3 • September 2005
Pages: 179 - 195
Copyright
© 2005 ASCE.
History
Received: Jul 1, 2002
Accepted: Aug 23, 2004
Published online: Sep 1, 2005
Published in print: Sep 2005
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