A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Experimental Study of the Dynamic Response of Highway Bridges
The objective of this investigation was to establish the basic response characteristics for common types of highway bridges under the passage of ordinary vehicular traffic. The response characteristics under consideration were the maximum values of displacement, velocity, acceleration, and jerk together with the frequency content and damping ratio. Sixty-two bridges of all types of construction with one through four spans were instrumented with a deflection gage and a varying number of accelerometers. More than 2200 vehicle crossings were recorded with the major portion being heavy trucks. The results of the investigation indicate that the level of acceleration experienced by most bridges falls below the values which would be psychologically disturbing to pedestrians. The results also indicate that the fundamental torsional mode contributes as much or sometimes more to the total bridge motion as does the fundamental bending mode. (Portions of this document are not fully legible)
Experimental Study of the Dynamic Response of Highway Bridges
The objective of this investigation was to establish the basic response characteristics for common types of highway bridges under the passage of ordinary vehicular traffic. The response characteristics under consideration were the maximum values of displacement, velocity, acceleration, and jerk together with the frequency content and damping ratio. Sixty-two bridges of all types of construction with one through four spans were instrumented with a deflection gage and a varying number of accelerometers. More than 2200 vehicle crossings were recorded with the major portion being heavy trucks. The results of the investigation indicate that the level of acceleration experienced by most bridges falls below the values which would be psychologically disturbing to pedestrians. The results also indicate that the fundamental torsional mode contributes as much or sometimes more to the total bridge motion as does the fundamental bending mode. (Portions of this document are not fully legible)
Experimental Study of the Dynamic Response of Highway Bridges
P. K. Kropp (author)
1977
122 pages
Report
No indication
English
Dynamic response of highway bridges
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