Numerical Study on the Effect of Climate Parameters on the Extreme Thermal Gradients in Concrete Box Girders
Publication: Journal of Bridge Engineering
Volume 28, Issue 10
Abstract
Bridge codes tend to provide general guidance on the thermal gradients acting on bridge decks based on data from historical extreme events that have occurred within a country, without considering the location of the bridge itself. However, the thermal gradient is a function of the climate conditions that occur locally, in the vicinity of the bridge. Thus, a significant number of bridge decks are designed for climate conditions that might not be representative of their locations. The aim of this research is to optimize current guidelines to ensure that thermal gradients are derived based on bridge location. This objective is achieved through the investigation of the relationship that occurs between climate parameters and the resulting thermal extremes. An advanced finite-element platform was used to model the thermal performance of a concrete box girder. Several sets of meteorological data from 18 locations across Canada (representative of different Canadian climate types) were used as input in the thermal models to simulate the temperature distribution within the bridge deck. Upon analysis of the results, it was determined that a correlation exists between the direct normal irradiance (DNI) at a certain location and the resulting thermal differential that occurs between the top and the interior of the cross section. Four categories were defined, with each category representing a range of DNI values and a resulting range of thermal differentials between the top and the interior. To demonstrate the applicability of the established relationship, a case study was performed in which the maximum limit provided by the Canadian Highway Bridge Design Code was investigated across several provinces in Canada.
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Data Availability Statement
All data, models, and code that support the findings of this study are available from the corresponding author upon reasonable request.
This research was partially supported by the Natural Sciences and Engineering Research Council of Canada (NSERC) Discovery Grants to R. Bashir and S. Pantazopoulou.
References
Ansys. 2019. Ansys® academic research mechanical; release 19.1. Canonsburg, PA: Ansys.
Barr, P., M. Halling, and E. Rojas. 2014. Bridge response due to temperature variations. Final Rep. CAIT-UTC-034: Logan, UT: Center for Advanced Infrastructure and Transportation, Utah State Univ.
Belcher, S., J. Hacker, and D. Powell. 2005. “Constructing design weather data for future climates.” Build. Serv. Eng. Res. Technol. 26 (1): 49–61. https://doi.org/10.1191/0143624405bt112oa.
Black, W., D. Moss, and M. Emerson. 1976. Bridge temperatures derived from measurement of movement. Rep. No. TRRL Rep. SR 748. Crowthorne, England: Transport Research Laboratory.
CSA (Canadian Standard Association). 2014. Canadian highway bridge design code. CSA Group: S6-14. Rexdale, ON, Canada: CSA.
Duffie, J., and W. Beckman. 2006. Solar engineering of thermal processes, 3rd ed. Hoboken, NJ: Wiley.
Elbadry, M. M., and A. Ghali. 1983. “Temperature variations in concrete bridges.” J. Struct. Eng. 109 (10): 2355–2374. https://doi.org/10.1061/(ASCE)0733-9445(1983)109:10(2355).
Environment and Climate Change Canada. 2019. “Canadian weather energy and engineering data sets (CWEEDS).” Engineering Climate Datasets. Accessed November 14, 2022. https://climate.weather.gc.ca/prodsservs/engineeringe.html.
Gu, B., Z. Chen, and X. Chen. 2014. “Temperature gradients in concrete box girder bridge under effect of cold wave.” J. Cent. South Univ. 21 (3): 1227–1241. https://doi.org/10.1007/s11771-014-2057-6.
Hagedorn, R., J. Martí-Vargas, C. Dang, W. Hale, and R. Floyd. 2019. “Temperature gradients in bridge concrete I-girders under heat wave.” J. Bridge Eng. 24 (8): 04019077. https://doi.org/10.1061/(ASCE)BE.1943-5592.0001454.
Hall, R., R. Krueger, N. Nicholson, D. Bercuson, and W. Morton. 2022. “Canada.” Encyclopedia Britannica. Accessed November 8, 2022. https://www.britannica.com/place/Canada.
Incropera, F., D. Dewitt, T. Bergman, and A. Lavine. 2007. Fundamentals of momentum, heat and mass transfer, 6th ed. Hoboken, NJ: Wiley.
Larsson, O. 2012. “Climate related thermal actions for reliable design of concrete structures.” Ph.D. thesis, Division of Structural Engineering, Lund Univ.
Lee, J. 2012. “Behavior of precast prestressed concrete bridge girders involving thermal effects and initial imperfections during construction.” Eng. Struct. 42: 1–8. https://doi.org/10.1016/j.engstruct.2012.04.003.
Lu, Y., D. Li, K. Wang, and S. Jia. 2021. “Study on solar radiation and the extreme thermal effect on concrete box girder bridges.” Appl. Sci. 11 (14): 6332.
Nevander, L., and B. Elmarsson. 2006. Moisture handbook: Practice and theory, 3rd ed. Stockholm, Sweden: Swedish Construction Service.
Oliver, J. 2005. Encyclopedia of world climatology, 2nd ed. Dordrecht, Netherlands: Springer.
Peterson, A. 2016. “Köppen climate types of Canada.” Wikimedia Commons. Accessed November 8, 2022. https://tinyurl.com/mryvppdk.
Roeder, C. 2002. Thermal movement design procedure for steel and concrete bridges. Final Rep. NCHRP 20-07/106. Seattle: Dept. of Civil Engineering, Univ. of Washington.
Saad, S., R. Bashir, and S. Pantazopoulou. 2022. “The effect of cold waves on the structural performance of concrete box girders.” Struct. Eng. Int. 32 (4): 596–604. https://doi.org/10.1080/10168664.2022.2117675.
Thevenard, D., and K. Haddad. 2005. “Ground reflectivity in the context of building energy simulation.” Energy Build. 38 (8): 972–980. https://doi.org/10.1016/j.enbuild.2005.11.007.
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© 2023 American Society of Civil Engineers.
History
Received: Nov 20, 2022
Accepted: Jun 16, 2023
Published online: Aug 8, 2023
Published in print: Oct 1, 2023
Discussion open until: Jan 8, 2024
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