Method for Dynamic Testing of Damsby Dennis K. Ostrom, (A.M.ASCE), Sr. Civ. Engr.; Southern California Edison, Los Angeles, Calif.,
Thomas A. Kelly, (M.ASCE), Sr. Civ. Engr.; Southern California Edison, Los Angeles, Calif.,
Serial Information: Journal of the Power Division, 1977, Vol. 103, Issue 1, Pg. 27-36
Document Type: Journal Paper
The Popper Test is an effective test that is easy to conduct and can be used to help determine the dynamic response characteristics of small to moderately large concrete dams. The Popper Test method is particularly suited in single-arch and multiple-arch concrete strength dams. This test method combines the versatility, ease, and low cost of ambient testing with the data quality advantages of active testing. Fundamental mode data (mode, shape, frequency, and damping) can be extracted visually in the field with proper filtering of the transducer signal. Detailed higher mode information must be obtained by analytical techniques or more specialized field equipment.
Subject Headings: Dynamic tests | Dams | Concrete dams | Strength of materials | Data collection | Field tests | Arches | Filters | Damping | Dynamic response
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