Investigation of Sediment in the reservoir on Seismic Damage of Concrete Gravity Dam in the Near-Fault and Far-Fault Ground Motions

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KALATEH FARHOUD; Gamatloo Amir

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Paper Information

Journal: JOURNAL OF STRUCTURAL AND CONSTRUCTION ENGINEERING Year:2020 | Volume:7 | Issue:2 Page(s): 130-150

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Information Journal Paper

Title

Investigation of Sediment in the reservoir on Seismic Damage of Concrete Gravity Dam in the Near-Fault and Far-Fault Ground Motions

Author(s)

KALATEH FARHOUD | Gamatloo Amir | Issue Writer Certificate

Keywords

Gravity damQ1

SedimentQ1

Nonlinear dynamicQ1

analysisQ1

Concrete damageQ1

plasticityQ1

Near fault motionQ1

Far fault motionQ1

Seismic damageQ1

Abstract

Sediment in the dam’ s reservoir has a significant role on mitigation of dynamic response of concrete Gravity dams and also the seismic response of dams in near-field motion can be considerably different from those observed in the far field and the near– fault ground motions can cause considerable damage during an earthquake. This paper presents results of a study aimed at evaluating the Sediment effects in the near-fault and far-fault ground motions on Nonlinear dynamic response and Seismic damage of concrete Gravity dams including dam-reservoir-foundation interaction. For this purpose, 3 as-recorded earthquake records which display ground motions with an apparent velocity pulse are selected to represent the near-fault ground motion characteristics. The Shafaroud Gravity dam, which is selected as a numerical application, is subjected to a set of as-recorded near-fault and far-fault strong ground motion records and three different level of Sediment are assumed. Results show that in the near-fault horizontal earthquake with assuming 2 m Sediment height a 3. 67% reduction and with 8 m Sediment height a 10. 33% reduction in dam crest displacement are obtained but in far-fault ground motion reservoir Sediment do not have a sable pattern effect on dam’ s response. Therefore, any dam must be evaluated for Sediment effects on its dynamic response individually.

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APA: Copy

KALATEH, FARHOUD, & Gamatloo, Amir. (2020). Investigation of Sediment in the reservoir on Seismic Damage of Concrete Gravity Dam in the Near-Fault and Far-Fault Ground Motions. JOURNAL OF STRUCTURAL AND CONSTRUCTION ENGINEERING, 7(2 ), 130-150. SID. https://sid.ir/paper/403933/en

Vancouver: Copy

KALATEH FARHOUD, Gamatloo Amir. Investigation of Sediment in the reservoir on Seismic Damage of Concrete Gravity Dam in the Near-Fault and Far-Fault Ground Motions. JOURNAL OF STRUCTURAL AND CONSTRUCTION ENGINEERING[Internet]. 2020;7(2 ):130-150. Available from: https://sid.ir/paper/403933/en

IEEE: Copy

FARHOUD KALATEH, and Amir Gamatloo, “Investigation of Sediment in the reservoir on Seismic Damage of Concrete Gravity Dam in the Near-Fault and Far-Fault Ground Motions,” JOURNAL OF STRUCTURAL AND CONSTRUCTION ENGINEERING, vol. 7, no. 2 , pp. 130–150, 2020, [Online]. Available: https://sid.ir/paper/403933/en

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