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Performance criteria for rockfill dams subjected to multiple seismic hazards
Performance criteria of rockfill embankment dams are based on the response to external loadings, such as external and internal water pressures, gravity forces, and in particular earthquakes, which can be considered as the most severe form of structural loads

PERFORMANCE CRITERIA FOR ROCKFILL DAMS SUBJECTED TO MULTIPLE SEISMIC HAZARDS

(Critères de comportement des barrages en enrochement soumis à des multiple

risques sismiques)

 

Martin WIELAND

Dam and Earthquake Expert, Dipl. Ing. ETH, Dr. sc. techn.

Pöyry Switzerland Ltd., Zurich, SWITZERLAND

 

R. Peter BRENNER

Dam Consultant, Dipl. Ing. ETH, PhD

Weinfelden, SWITZERLAND

 

1. INTRODUCTION

Performance criteria of rockfill embankment dams are based on theresponse to external loadings, such as external and internal water pressures,gravity forces, and in particular earthquakes, which can be considered as themost severe form of structural loads. These criteria can be quantified and areoften expressed as limiting values. Dams whose performance may exceedspecified criteria for a certain hazard may be deficient with respect to their safety.Performance assessment, on the other hand requires direct and systematicobservation of the dam to loadings and compare these with pre-establisheddesign criteria. This paper focusses on the performance of rockfill dams (damswith central impervious core and concrete face rockfill dams) and their responseto multiple seismic hazards….

 

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