Vibration of Pedestrian Overpass
Publication: Journal of Performance of Constructed Facilities
Volume 6, Issue 1
Abstract
The levels of vibration induced by pedestrian traffic on a pedestrian overpass with a 43.3‐m (142‐ft) main span are found to be perceptible to its users. The maximum root‐mean‐square (RMS) acceleration measured in the field exceeds the acceptable level of vibration recommended by the American National Standards Institute (ANSI). Three structural modification schemes, proposed to alleviate the vibration serviceability problem, are analyzed and compared. The comparison is based on the acceleration response to pedestrian loading represented by a pulsating load traveling across the bridge span. It is found that adding viscoelastic structural dampers is the more efficient and preferable scheme of modification for reducing the pedestrian‐induced vibrations.
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References
1.
“ANSI S3.29.” (1983). Guide to the evaluation of human exposure to vibration in buildings. American Institute of Physics for the Acoustical Society of America, New York, N.Y.
2.
“BS 5400: part 2.” (1978). Specification for loads, steel, concrete and composite bridges. British Standards Institution, London, United Kingdom.
3.
Chor, C. L., and Mo, K. S. (1988). “Study of characteristics of pedestrian overhead footbridges.” Report FYP TR‐13. School of Civ. and Struct. Engrg., Nanyang Tech. Inst., Singapore.
4.
Mahmoodi, P. (1969). “Structural dampers.” J. Struct. Engrg., ASCE, 95(8), 1661–1672.
5.
Mahmoodi, P., and Keel, C. J. (1986). “Performance of visco‐elastic structural dampers for the Columbia Center Building.” Proc. Building Motion In Wind, ASCE, 83–106.
6.
Tanaboribeon, Y., Hwa, S. S., and Chor, C. C. (1986). “Pedestrian characteristics study in Singapore.” J. Transp. Engrg., ASCE, 112(3), 229–235.
7.
Wilson, E., and Habibullah, A. (1989). Structural analysis program—SAP90. Computers and Structures Inc., Berkeley, Calif.
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Copyright © 1992 ASCE.
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Published online: Feb 1, 1992
Published in print: Feb 1992
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