Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Experimental Determination of Vibration Characteristics of Structures
A method is described in this paper for experimentally determining vibration characteristics by observing the characteristic motion of a small test mass attached to the structure by a linear spring. The specific motions that are observed are those following the release of the test mass from rest in a displaced position and for a series of closely spaced frequencies of the test mass on its spring. A possible arrangement of the test mass is shown in Fig. 1. The outer frame to which the springs are attached is itself a ttached to the structure by the fitting provided at the top. Small adjustments in frequency are made by removing various parts of the segmented mass; larger variations can be attained by changing the springs. Since observations are restricted to vibration amplitudes they can be made visually on the wedge-shaped pointer attached to the mass as shown in Fig. 1.
Experimental Determination of Vibration Characteristics of Structures
A method is described in this paper for experimentally determining vibration characteristics by observing the characteristic motion of a small test mass attached to the structure by a linear spring. The specific motions that are observed are those following the release of the test mass from rest in a displaced position and for a series of closely spaced frequencies of the test mass on its spring. A possible arrangement of the test mass is shown in Fig. 1. The outer frame to which the springs are attached is itself a ttached to the structure by the fitting provided at the top. Small adjustments in frequency are made by removing various parts of the segmented mass; larger variations can be attained by changing the springs. Since observations are restricted to vibration amplitudes they can be made visually on the wedge-shaped pointer attached to the mass as shown in Fig. 1.
Experimental Determination of Vibration Characteristics of Structures
Loring, Samuel J. (Autor:in)
Transactions of the American Society of Civil Engineers ; 114 ; 111-129
01.01.2021
191949-01-01 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Unbekannt
Experimental determination of vibration characteristics of structures
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