Evaluation of the Increased Dynamic Effects on the Highway Bridge Superstructure

Ilze Paeglite; Juris Smirnovs; Ainars Paeglitis

doi:10.7250/bjrbe.2018-13.418

Evaluation of the Increased Dynamic Effects on the Highway Bridge Superstructure

Authors

Ilze Paeglite Dept of Roads and Bridges, Riga Technical University, Riga, Latvia
Juris Smirnovs Dept of Roads and Bridges, Riga Technical University, Riga, Latvia
Ainars Paeglitis Dept of Roads and Bridges, Riga Technical University, Riga, Latvia

DOI:

https://doi.org/10.7250/bjrbe.2018-13.418

Keywords:

bridge, dynamic, Dynamic Amplification Factor (DAF), natural frequency, reinforced concrete

Abstract

Dynamic properties of the bridge superstructure vary depending on many characteristics of the bridge and the loading conditions. In this paper, maximum Dynamic Amplification Factor was calculated for six different types of typical pre-stressed concrete beam bridges. It showed that each type of bridge with similar loading has a different range of Dynamic Amplification Factor. At the same time, every recently built bridge has different geometry and design load. Hence, it is difficult to determine a characteristic value of Dynamic Amplification Factor for the similar type of structures. By using fullscale dynamic and static bridge tests, it is possible to determine the necessary characteristics which show possibly high Dynamic Amplification Factor. This factor indicates if it is necessary to make a full-scale bridge dynamic analysis. It was found that those characteristics are natural frequency (first mode), damping ratio, relative deflection, and span and depth ratio. Obtained results from tests show a range of values for each of the characteristic. These ranges were analysed for reinforced concrete slab and pre-stressed concrete slab, and girder bridges.

References

Benaim, R. (2007). The design of prestressed concrete bridges: concepts and principles. CRC Press.

Brincker, R., & Ventura, C. (2015). Introduction to operational modal analysis. John Wiley & Sons. https://doi.org/10.1002/9781118535141

Carey, C., OBrien, E. J., Malekjafarian, A., Lydon, M., & Taylor, S. (2017). Direct field measurement of the dynamic amplification in a bridge. Mechanical Systems and Signal Processing, 85, 601-609. https://doi.org/10.1016/j.ymssp.2016.08.044

Cebon, D. (1999). Handbook of vehicle-road interaction. Frýba, L. (1996). Dynamics of railway bridges. Thomas Telford Publishing. https://doi.org/10.1680/dorb.34716

Kwasniewski, L., Wekezer, J., Roufa, G., Li, H., Ducher, J., & Malachowski, J. (2006). Experimental evaluation of dynamic effects for a selected highway bridge. Journal of Performance of Constructed Facilities, 20(3), 253-260. https://doi.org/10.1061/(ASCE)0887-3828(2006)20:3(253)

Lombaert, G., & Conte, J. P. (2012). Random vibration analysis of dynamic vehicle-bridge interaction due to road unevenness. Journal of Engineering Mechanics, 138(7), 816-825. https://doi.org/10.1061/(ASCE)EM.1943-7889.0000386

LVS EN 1991-2:2003 Traffic loads on bridges

McGetrick, P. J., Kim, C. W., González, A., & Brien, E. J. (2015). Experimental validation of a drive-by stiffness identification method for bridge monitoring. Structural Health Monitoring, 14(4), 317-331. https://doi.org/10.1177/1475921715578314

Mohammed, O., & González, A. (2017). Static and dynamic moments for any plane within a straight solid slab bridge caused by the crossing of a truck. Engineering Structures, 150, 465-480. https://doi.org/10.1016/j.engstruct.2017.07.059

Mohammed, O., Gonzalez, A., & Cantero, D. (2018). Dynamic impact of heavy long vehicles with equally spaced axles on short-span highway bridges. Baltic journal of road and bridge engineering, 13(1), 1-13. https://doi.org/10.3846/bjrbe.2018.382

OBrien, E. J., Rattigan, P., González, A., Dowling, J., & Žnidarič, A. (2009). Characteristic dynamic traffic load effects in bridges. Engineering structures, 31(7), 1607-1612. https://doi.org/10.1016/j.engstruct.2009.02.013

Oliva, J., Goicolea, J. M., Antolín, P., & Astiz, M. Á. (2013). Relevance of a complete road surface description in vehicle–bridge interaction dynamics. Engineering structures, 56, 466-476. https://doi.org/10.1016/j.engstruct.2013.05.029

Paeglite, I., & Paeglitis, A. (2013). The dynamic amplification factor of the bridges in Latvia. Procedia Engineering, 57, 851-858. https://doi.org/10.1016/j.proeng.2013.04.108

Paeglite, I., Smirnovs, J., & Paeglitis, A. (2016). Traffic load effects on dynamic bridge performance. In Maintenance, Monitoring, Safety, Risk and Resilience of Bridges and Bridge Networks - Proceedings of the 8th International Conference on Bridge Maintenance, Safety and Management, IABMAS 2016. CRC Press.

Paeglite, I., Smirnovs, J., & Paeglitis, A. (2017). Dynamic behavior of pre-stressed slab bridges. Procedia Engineering, 172, 831-838. http://doi.org/10.1016/j.proeng.2017.02.132

Paeglitis, A., & Paeglitis, A. (2014). Traffic load models for Latvian road bridges with span length up to 30 meters. Baltic Journal of Road and Bridge Engineering, 9(2), 139-145. https://doi.org/10.3846/bjrbe.2014.18

Rezaiguia, A., Ouelaa, N., Laefer, D. F., & Guenfoud, S. (2015). Dynamic amplification of a multi-span, continuous orthotropic bridge deck under vehicular movement. Engineering Structures, 100, 718-730. https://doi.org/10.1016/j.engstruct.2015.06.044

Road Traffic Regulations (2015). Legal Acts of the Republic of Latvia, Cabinet, Regulation No. 279, Adopted 2 June 2015.