Fig. 1. Complete view of bridge specimens (a) 2016 (b) 2017
Fig. 2. Plan of the bridge models with azimuth angle.
Fig. 3. Section and gauge numbers of 50mm specimen
Fig. 4. Temperature difference for Group 3, Concrete deck on steel box (Euro code)[4]
Fig. 5. Vertical variation of temperature on concrete and upper steel structures
Fig. 6. The measured temperature data of 2 years summer (a) 2016 (b) 2017
Fig. 7. Connection of the cross section of a specimen with the Euro code
Fig. 8. Distribution of temperature at each point (a) SC24 (b) SC3 (c) SC13
Fig. 9. Distribution of temperature at SC24 of each model (a) 0mm (b) 50mm (c) 100mm (d) 150mm
Fig. 10. The models of temperature difference at each asphalt thickness in present model and Euro code (a) 0mm (b) 50mm (c) 100mm (d) 150mm
Table 1. Temperature difference ( T1 ) for Group 3 (Euro code)[4]
Table 2. Basis for temperature gradients
Table 3. Calculation of temperature difference in 0mm
Table 4. Calculation of temperature difference in 50mm
Table 5. Calculation of temperature difference in 100mm
Table 6. Calculation of temperature difference in 150mm
Table 7. The average maximum atmospheric temperature of the weather station
Table 8. Calculation of Temperature difference in the present model and the Euro code
참고문헌
- Ministry of Land, Infrastructure and Transport, Highway Bridge Design Criteria(in Korea)(Limit state design method), 2015.
- AASHTO LRFD Bridge Design Specifications (SI Units, 4th Edition), pp.3-99-3-104, 2007.
- Roeder, C. Proposed Design Method for Thermal Bridge Movements, Journal of Bridge Engineering, Vol.8, No.1, pp.12-19, 2003. DOI: https://doi.org/10.1061/(ASCE)1084-0702(2003)8:1(12)
- British Standards Institution, Steel, Concrete and Composite Bridges, Part 2. Specification for loads, appendix E. BS5400: pp.20-23, 2004.
- D. W. Shin, K. N. Kim, An Experimental Study on the Temperature Difference between the Top and Bottom Flange in Steel Girder without Concrete Slab, Journal of the Korea Institute for Structural Maintenance and Inspection, Vol. 18, No. 4, pp.099-106. 2014. DOI: http://dx.doi.org/10.11112/jksmi.2014.18.4.099
- S. H. Lee, Y. C. Park, A Study on the Vertical Temperature Difference of Steel Box Girder Bridge by Field Measurement, Journal of the korea Academia-Industrial cooperation Society, Vol. 19, No. 8, pp.545-551, 2018. DOI: http://dx.doi.org/10.5762/KAIS.2018.19.8.545
- H. K. Shin, K. N. Kim, k. S. Jung, An Experimental Study for Estimation of effective temperature for design in Steel Box Girder Bridge, Journal of korean Society of Steel Construction, Vol. 28, No. 6, pp.449-458, 2016. DOI: https://doi.org/10.7781/kjoss.2016.28.6.449
- S. H. Lee, Calculation of Maximum Effective Temperature of Steel Box Girder Bridge Using Artificial Neural Network, Journal of the korea Academia-Industrial cooperation Society, Vol.19, No.3, pp.96-103, 2018. DOI: http://dx.doi.org/10.5762/KAIS.2018.19.3.96
- S. H. Lee, H. K. Shin, K. N. Kim, Estimation of the Maximum Design Effective Temperature for Steel Box Girder Bridges Considering Asphalt Thickness of Concrete Deck, Journal of the Korean Society of Steel Construction, KSSC, Vol.30, No.5, pp.299-307, 2018. DOI: https://doi.org/10.7781/kjoss.2018.30.5.299