Date of Graduation

8-2014

Document Type

Thesis

Degree Name

Master of Science in Civil Engineering (MSCE)

Degree Level

Graduate

Department

Civil Engineering

Advisor

Kirk A. Grimmelsman

Committee Member

Ernie Heymsfield

Second Committee Member

R. Panneer Selvam

Keywords

Ambient Vibrations Testing, Civil Infrastructure, Dynamic Testing

Abstract

The objective of this thesis was to identify the modal properties of a pedesphere type, elevated water tank under different operating conditions relating to the water level in the tank. The research that was conducted included both numerical and experimental components. The numerical components consisted of a simple hand calculation to identify the fundamental frequency as well as numerical computer models to identify the natural frequencies and mode shapes for the first three bending modes. The experimental components consisted of characterizing the vibration of the elevated water tank in its current environment through ambient vibration testing.

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