Investigation into the effect of bed stiffness on seismic performance of concrete gravity dam under far- and near-field earthquakes
Publish Year: 1398
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_JCEMA-3-1_004
تاریخ نمایه سازی: 2 مهر 1398
Abstract:
Today hydraulic reservoir structures are one of the most significant structures over the world and, on the other hand, have become of great importance because of current droughts, particularly in the Middle East. Concrete dams are noteworthy superstructures amongst these structures and their construction and maintenance involve intensive research. In this study, the effect of bed stiffness on a concrete gravity dam is examined under far- and near-fault ground motions. This study is conducted through the numerical modeling of Pine Flat concrete dam as a case study via Abaqus software, the import of 6 far- and near-field accelerograms and the investigation into the effect of 3 stiffness ratios. The results indicate that the stiffness ratio of 1 has a more reasonable effect, for which the response of structure is more logical and appropriate.
Keywords:
Concrete gravity dam , stiffness ratio , Dam Behavior , Pine Flat , far- and near-fault accelerogram
Authors
Farzad Naseri
Department of Civil engineering, Islamic Azad University-Electronic Branch, Tehran, Iran.
Ahad Bagherzadehkhalkhali
Department of Civil Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran.
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