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Full-Scale Experimental Modal Analysis Of An Arch Dam: The First Experience In Iran, Reza Tarinejad, Mohammad Taghi Ahmadi, Ronald S. Harichandran
Full-Scale Experimental Modal Analysis Of An Arch Dam: The First Experience In Iran, Reza Tarinejad, Mohammad Taghi Ahmadi, Ronald S. Harichandran
Civil Engineering Faculty Publications
Forced vibration field tests and finite-element studies were conducted on the Shahid Rajaee concrete arch dam in Northern Iran to determine the dynamic properties of the dam–reservoir–foundation system. The first forced vibration tests on the dam were performed with two different types of exciter units, with a limited maximum force, bolted on the dam crest for alternative in-phase and out-of-phase sequencing. Because of an insufficient number of recording sensors, two arrangements of sensors were used to cover sufficient points on the dam crest and one gallery during tests. Two kinds of vibration tests, on–off and frequency sweeping, were carried out …