Experimental Assessment of Dynamic Responses Induced in Concrete Bridges by Permit Vehicles

P. Szurgott , J. Wekezer , Lesław Kwaśniewski , J. Siervogel , M. Ansley

Abstract

Results from experimental testing of three permit vehicles are presented in the paper. The selected heavy vehicles, which require permits from state DOTs, included two tractor-trailer systems and a midsize crane. The vehicles were experimentally tested on popular existing speed bumps and on a representative highway bridge. The selected bridge was a reinforced-concrete structure constructed in 1999, located on the U.S. 90 in Northwest Florida. The bridge approach depression, combined with a distinct joint gap between the asphalt pavement and the concrete deck, triggered significant dynamic responses of the vehicle-bridge system. Similar dynamic vibrations were observed and recorded when the permit vehicles were driven over the speed bumps. Time histories of relative displacements, accelerations, and strains for selected locations on the vehicle-bridge system were recorded. The analysis of experimental data allowed for assessment of actual dynamic interactions between the vehicles and the speed bumps as well as dynamic load allowance factors for the selected bridge.
Author P. Szurgott
P. Szurgott,,
-
, J. Wekezer
J. Wekezer,,
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, Lesław Kwaśniewski IDM
Lesław Kwaśniewski,,
- The Institute of Roads and Bridges
, J. Siervogel
J. Siervogel,,
-
, M. Ansley
M. Ansley,,
-
Journal seriesJournal of Bridge Engineering, ISSN 1084-0702
Issue year2011
Vol16
No1
Pages108-116
Publication size in sheets0.5
Keywords in Polishmosty, pojazdy, modele dynamiczne
Keywords in EnglishDynamic tests; Bridges; Vehicles; Impact loads; Imperfections
DOIDOI:10.1061/(ASCE)BE.1943-5592.0000119
URL http://ascelibrary.org/doi/abs/10.1061/%28ASCE%29BE.1943-5592.0000119
Languageen angielski
Score (nominal)30
Publication indicators WoS Impact Factor [Impact Factor WoS]: 2011 = 0.623 (2) - 2011=0.784 (5)
Citation count*0
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