2011 – Reliability of simplified methods for evaluation of earthquake-induced displacement in earth and rockfill dams

Mojtaba E. Kan and Hossein A. Taiebat

Abstract: The simplified procedures for evaluation of earthquake induced displacement in earth and rockfill dams are widely used in practice. These methods are simple, inexpensive, and substantially less time consuming as compared to complicated numerical approaches. They are especially recommended to be used as a screening tool, to identify embankments with marginal factor of safety, assuming that these methods always give conservative estimates of deformation. However recent studies show that application of these methods may not be conservative in some cases, especially when the tuning ratio of a dam is within a certain range. In this paper the fundamental theory behind the simplified methods is critically reviewed and practical guidelines are presented that can be used to identify cases where the simplified procedures may not be conservative.

2011 – Reliability of simplified methods for evaluation of earthquake-induced displacement in earth and rockfill dams

 

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