Fatigue Behavior of Rib-to-Floor Beam Junctions with Separate Inner Stiffeners in Orthotropic Steel Bridge Decks
Publication: Journal of Bridge Engineering
Volume 27, Issue 5
Abstract
The fatigue of orthotropic steel bridge decks (OSBDs) is a bottleneck for its application, especially the fatigue of rib-to-floor beam (RF) junction. Thus, it is necessary to optimize the RF junction to improve its fatigue performance. In this study, the effect of equipping a separate inner stiffener (SIS) on the fatigue performance of an RF junction was investigated. The growth of fatigue cracks in the weld toe of the rib at the RF junction tip (RT) was examined through static and fatigue tests of a full-scale OSBD. Moreover, the influence of crack growth on other details was also studied. Subsequently, the fatigue strengths of two cracked details and the minimum fatigue strengths of four uncracked details were evaluated considering the results of a finite-element analysis. Finally, the verified finite-element model was used to analyze the influence of the form and size of the inner stiffener on the fatigue performance of RF junction. The SIS was found to be the most optimal inner stiffener, and its recommended size was obtained. When the recommended RF junction was adopted, the most unfavorable stress of the RT detail most prone to fatigue cracking could be reduced by 51.3%.
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Acknowledgments
The authors thank Dr. Ming Zhou and Mr. Ziqiang Gan for their assistance in the laboratory testing and Mr. Pengfei Men for his writing assistance. This work was supported by the National Key R&D Program of China (Grant No. 2018YFC0705501); the National Natural Science Foundation of China (Grant No. 52008215); the National Natural Science Foundation of China (Grant No. 51878099); the Natural Science Foundation of Zhejiang Province, China (Grant No. LQ20E080013).
Notation
The following symbols are used in this paper:
- a
- height of the floor beam cutouts;
- bi
- length of the lower edge of the inner stiffener protruding from the end of the floor beam cutouts in RF junction with the TIIS;
- bs
- length of the lower edge of the inner stiffener protruding from the end of the floor beam cutouts in RF junction with the SIS;
- C1, C2
- label of crack located at the position connecting F2 to the left side of Rib R2;
- C1, C2
- label of crack located at the position connecting F3 to the left side of Rib R2;
- cs
- width of the lower edge of the inner stiffener in RF junction with the SIS;
- F1–F3
- label of floor beams from the south to the north in the specimen;
- F2R1R
- the label of RF junction connecting F2 to the right side of Rib R1;
- F2R2L
- label of RF junction connecting F2 to the left side of Rib R2;
- F3R1R
- label of RF junction connecting F3 to the right side of Rib R1;
- F3R2L
- label of RF junction connecting F3 to the left side of Rib R2;
- H1–H4
- label of floor beams from the south to the north in the finite-element model;
- Q1, Q2
- RF junction connecting the middle rib and Floor beam H2 in finite-element model;
- R1–R6
- label of ribs from left to right in the specimen; and
- ts
- thickness of the inner stiffener.
References
AASHTO LRFD. 2017. Bridge design specifications. 8th ed. AASHTO LRFD.
Bocchieri, W. J., and J. W. Fisher. 1998. Williamsburg Bridge replacement orthotropic deck as-built fatigue test. ATLSS Rep. No. 98-04. Bethlehem, PA: Lehigh Univ.
Cheng, B., H. Abdelbaset, L. Tian, H.-T. Li, and Q. Su. 2021. “Hot spot stress investigation on rib-to-deck-to-floor beam connections in UHPC reinforced OSDs.” J. Constr. Steel Res. 179 (5): 106517. https://doi.org/10.1016/j.jcsr.2020.106517.
Connor, R. J. 2004. “Influence of cutout geometry on stresses at welded rib-to-diaphragm connections in steel orthotropic bridge decks.” Transp. Res. Rec. 1892 (1): 78–87. https://doi.org/10.3141/1892-09.
Connor, R. J., and J. W. Fisher. 2006. “Consistent approach to calculating stresses for fatigue design of welded rib-to-web connections in steel orthotropic bridge decks.” J. Bridge Eng. 11 (5): 517–525. https://doi.org/10.1061/(ASCE)1084-0702(2006)11:5(517).
Fanjiang, G.-N., Q. Ye, O. N. Fernandez, and L. R. Taylor. 2004. “Fatigue analysis and design of steel orthotropic deck for Bronx–Whitestone Bridge, New York city.” Transp. Res. Rec. 1892 (1): 69–77. https://doi.org/10.3141/1892-08.
Gu, P., H. Pei, B. Sheng, and Y. Hu. 2014. “Fatigue performance of orthotropic steel bridge decks with inner diaphragm in U-rib.” [In Chinese.] J. Tongji Uni. (Nat Sci). 42 (10): 1499–1504. https://doi.org/10.11908/j.issn.0253-374x.2014.10.006.
JSCESSC (Japan Society of Civil Engineers Steel Structure Committee). 2007. Report of subcommittee on research and study on welded plate joints. [In Japanese.] Tokyo, Japan: JSCESSC.
JTG. 2015. Specifications for design of highway steel bridge. [In Chinese.] JTG D64-2015. Beijing: China Communications Press.
Kinomoto, T., M. Kajhara, Y. Hirabayashi, T. Konishi, M. Murano, and G. Saito. 2008. “Inspection and retrofitting of fatigue damaged orthotropic steel deck.” In Proc., 17th Congress of IABSE: Creating and Renewing Urban Structures, Tall Buildings, Bridges and Infrastructure, 456–457. Zurich, Switzerland: IABSE.
Oh, C.-K., K.-J. Hong, D. Bae, H. Do, and T. Han. 2011. “Analytical and experimental studies on optimal details of orthotropic steel decks for long span bridges.” Int. J. Steel Struct. 11 (2): 227–234. https://doi.org/10.1007/s13296-011-2010-6.
Peng, X. 2018. “Experimental study on fatigue damage mechanism and life evaluation of typical structural details for orthotropic steel deck.” [In Chinese.] Ph.D. thesis, School of Highway, Chang’an Univ.
Shi, Z., S. Yang, Q. Pu, and Y. Zhang. 2019. “Fatigue performance of orthotropic steel decks in long-span cable-stayed steel-box girder railway bridges.” J. Bridge Eng. 24 (5): 04019035. https://doi.org/10.1061/(ASCE)BE.1943-5592.0001399.
Sim, H.-B., and C.-M. Uang. 2012. “Stress analyses and parametric study on full-scale fatigue tests of rib-to-deck welded joints in steel orthotropic decks.” J. Bridge Eng. 17 (5): 765–773. https://doi.org/10.1061/(ASCE)BE.1943-5592.0000307.
Tsakopoulos, P. A., and J. W. Fisher. 2002. Fatigue resistance investigation for the orthotropic deck on the Bronx–Whitestone Bridge. ATLSS Reports. 02-05. Bethlehem, PA: Lehigh Univ.
Tsakopoulos, P. A., and J. W. Fisher. 2003. “Full-scale fatigue tests of steel orthotropic decks for the Williamsburg Bridge.” J. Bridge Eng. 8 (5): 323–333. https://doi.org/10.1061/(ASCE)1084-0702(2003)8:5(323).
Wang, J. 2017. “Research on fatigue load and fatigue life assessment of orthotropic steel deck in port highway bridge.” [In Chinese]. Ph.D. thesis, School of Civil Engineering, Chongqing Univ.
Wang, Y., X. Shao, J. Chen, J. Cao, and S. Deng. 2021. “UHPC-based strengthening technique for orthotropic steel decks with significant fatigue cracking issues.” J. Constr. Steel Res. 176: 106393. https://doi.org/10.1016/j.jcsr.2020.106393.
Zhang, Q.-H., C. Cui, Y.-Z. Bu, Y.-M. Liu, and H.-W. Ye. 2015. “Fatigue tests and fatigue assessment approaches for rib-to-diaphragm in steel orthotropic decks.” J. Constr. Steel Res. 114: 110–118. https://doi.org/10.1016/j.jcsr.2015.07.014.
Zhou, X. H., X. Peng, F. J. Qin, and J. Di. 2018. “Fatigue damage characteristics of rib-to-deck weld root on orthotropic steel bridge deck.” [In Chinese.] J. Traffic Transp. Eng. 18 (1): 1–2. https://doi.org/10.3969/j.issn.1001-7372.2018.11.009.
Zhu, A., M. Li, H. Zhu, G. Xu, H. Xiao, and H. Ge. 2018. “Fatigue behaviour of orthotropic steel bridge decks with inner bulkheads.” J. Constr. Steel Res. 146: 63–75. https://doi.org/10.1016/j.jcsr.2018.03.016.
Zhu, Z., Z. Xiang, J. Li, Y. Huang, and S. Ruan. 2020. “Fatigue behavior of orthotropic bridge decks with two types of cutout geometry based on field monitoring and FEM analysis.” Eng. Struct. 209: 109926. https://doi.org/10.1016/j.engstruct.2019.109926.
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History
Received: May 31, 2021
Accepted: Jan 7, 2022
Published online: Feb 23, 2022
Published in print: May 1, 2022
Discussion open until: Jul 23, 2022
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