Design, Testing, and Specification of a Mechanical Damping Device for Mast Arm Traffic Signal Structures
University of Florida Engineering and Industrial Experiment Station, 2000 - Damping (Mechanics) - 135 pages
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REVIEW OF FDOT REPORT BY MICHAEL A KALAJIAN
DATA ACQUISITION AND INSTRUMENTATION
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45 Time seconds acceleration data accelerometers anemometer Belleville Disc Springs cantilevered mast arm compression spring Damper Frequency Damper Vibration Response Damper with Oil damping device data acquisition diameter displacement data Eccentric Mass FDOT ﬁ Tapered ﬁrst four-inch tapered ft Tapered Gainesville Long Mast Gainesville Short Mast hnpact horizontal damping horizontal direction Howard Franklin Bridge inclinometer Kalajian l-brizontal direction Figure lab mast arm lb/in Long Mast Arm Mass and Motor mast arm structures mast arm tested motor device Motor Vibration natural frequency natural wind gusts ndata Neoprene npnt percent critical damping pole PVC Pipe Short Mast Arm signiﬁcant speciﬁcation spring device Spring Lengths spring/mass combination Spring/Mass Impact Damper Tampa Mast Arm tapered damper Tapered Impact Damper Tapered Spring/Mass Impact temp2 Tuned Mass Damper University of Florida Variable Mass Testing vertical and horizontal Vertical Damping vertical direction vortex shedding wind speed wind-induced oscillations wind-induced vibrations