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Fatigue performance of floorbeam cutout on orthotropic steel bridge decks(PDF)


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Fatigue performance of floorbeam cutout on orthotropic steel bridge decks
ZHU Zhi-wen1 XIANG Ze12 LI Jian-peng1
1. College of Civil Engineering, Hunan University, Changsha 410082, Hunan, China; 2. College of Urban and Rural Construction, Shaoyang University, Shaoyang 422000, Hunan, China
bridge engineering orthotropic steel bridge deck floorbeam cutout fatigue performance FEA parametric analysis
In order to reveal the mechanism involved in base-metal cracking of floorbeam cutout on orthotropic steel bridge deck, the finite element program ANSYS was employed to establish both the segmental model of steel box girder and the local submodel of bridge deck, and the check of mesh independent was conducted to ensure the calculating precision. Thereby, the stress response characteristics of floorbeam cutout were analyzed under moving wheel loads, the fatigue evaluations were performed based on hot spot stress method and nominal stress method, respectively, and the influences of floorbeam thickness and cutout shape on the stress of structural detail stress were discussed. Research result shows that the length of stress influence line of floorbeam cutout detail in longitudinal direction of bridge is 2 times of floorbeam spacing, thus, loading with merely middle-axle group is appropriate. According to AASHTO LRFD, a fatigue truck with five axles can generate 2 or 3 stress cycles at the structural detail. The worst longitudinal and transverse loading locations of floorbeam cutout are the wheel loads center locating at the intersection of rib wall and deck plate, and the front wheel of middle-axle group locating at 0.3 m from the floorbeam, respectively. The angle between the stress direction of stress concentration point of floorbeam cutout edge and the horizontal plane is 67.2°. Fatigue assessment result is closely relevant to the nominal stress extraction position. The hot spot stress method based on fatigue life curve of FAT125 is feasible for the fatigue assessment of floorbeam cutout. According to the equivalent principle of fatigue damage, the stress at 5 mm from cutout edge can also be extracted for the fatigue assessment base on the nominal stress method. It is suggested that the cutout shape in Eurocode 3(highway bridge)with a large curve radius is preferable, and the hot spot stress reduces by 12.4% compared with the researched cutout shape. The stress range is below the cut-off limit as the thickness of floorbeam is not less than 12 mm, hence the cutout reaches a infinite fatigue life. Floorbeam cutout cracking is related to poor cutout shape, thin floorbeam, imperfect fabrication technology and high truck traffic volume. 4 tabs, 21 figs, 27 refs.


[1] 《中国公路学报》编辑部.中国桥梁工程学术研究综述[J].中国公路学报,2014,27(5):1-96.
Editorial Department of China Journal of Highway and Transport. Review on China's bridge engineering research: 2014[J]. China Journal of Highway and Transport, 2014, 27(5): 1-96.(in Chinese)
[2] 王春生,付炳宁,张 芹,等.正交异性钢桥面板横隔板挖孔型式[J].长安大学学报:自然科学版,2012,32(2):58-64.
WANG Chun-sheng, FU Bing-ning, ZHANG Qin, et al. Floor-beam web cutout shape analysis in orthotropic steel bridge deck[J]. Journal of Chang'an University: Natural Science Edition, 2012, 32(2): 58-64.(in Chinese)
[3] 蒋 永,陈惟珍,钱 骥.正交异性板疲劳分析及构造细节改进设想[J].武汉工程大学学报,2012,34(7):19-23,32.
JIANG Yong, CHEN Wei-zhen, QIAN Ji. Fatigue analysis of orthotropic steel bridge deck and improvement of ideas of structural details[J]. Journal of Wuhan Institute of Technology, 2012, 34(7): 19-23, 32.(in Chinese)
[4] 张允士,李法雄,熊 锋,等.正交异性钢桥面板疲劳裂纹成因分析及控制[J].公路交通科技,2013,30(8):75-80.
ZHANG Yun-shi, LI Fa-xiong, XIONG Feng, et al. Cause analysis and control measures of fatigue cracks in orthotropic steel bridge deck[J]. Journal of Highway and Transportation Research and Development, 2013, 30(8): 75-80.(in Chinese)
[5] SANCHEZ J S, NOONAN J, PERCY R. West Gate Bridge—management of fatigue cracking[C]∥ARRB. 9th Austroads Bridge Conference. Sydney: ARRB Group Ltd., 2014: 1-12.
[6] TSAKOPOULOS P A, FISHER J W. Fatigue performance and design refinements of steel orthotropic deck panels based on full-scale laboratory tests[J]. Steel Structure, 2005, 5(3): 211-223.
[7] 陶晓燕.正交异性钢桥面板节段模型疲劳性能试验研究[J].中国铁道科学,2013,34(4):22-26.
TAO Xiao-yan. Experimental study on the fatigue performance of the section model of orthotropic steel bridge deck[J]. China Railway Science, 2013, 34(4): 22-26.(in Chinese)
[8] 王春生,付炳宁,张 芹,等.正交异性钢桥面板足尺疲劳试验[J].中国公路学报,2013,26(2):69-76.
WANG Chun-sheng, FU Bing-ning, ZHANG Qin, et al. Fatigue test on full-scale orthotropic steel bridge deck[J]. China Journal of Highway and Transport, 2013, 26(2): 69-76.(in Chinese)
[9] CONNOR R J. Influence of cutout geometry on stresses at welded rib-to-diaphragm connections in steel orthotropic bridge decks[J]. Transportation Research Record, 2004(1892): 78-87.
[10] DE CORTE W. Parametric study of floorbeam cutouts for
orthotropic bridge decks to determine shape factors[J]. Bridge Structures, 2009, 5(2/3): 75-85.
[11] 李传习,陈卓异,周爱国,等.钢箱梁横隔板疲劳裂纹特征与实桥试验的轮载应力[J].土木工程学报,2017,50(8):59-67.
LI Chuan-xi, CHEN Zhuo-yi, ZHOU Ai-guo, et al. The fatigue crack characteristics and wheel load stresses of steel box girder diaphragms in an existing bridge[J]. China Civil Engineering Journal, 2017, 50(8): 59-67.(in Chinese)
[12] 祝志文,黄 炎,向 泽,等.货运繁重公路正交异性板钢桥弧形切口的疲劳性能[J].中国公路学报,2017,30(3):104-112.
ZHU Zhi-wen, HUANG Yan, XIANG Ze, et al. Fatigue performance of floorbeam cutout detail of orthotropic steel bridge on heavy freight transportation highway[J]. China Journal of Highway and Transport, 2017, 30(3): 104-112.(in Chinese)
[13] XIAO Z G, YAMADA K, YA S, et al. Stress analyses and fatigue evaluation of rib-to-deck joints in steel orthotropic decks[J]. International Journal of Fatigue, 2008, 30(8): 1387-1397.
[14] 丁 楠,邵旭东.轻型组合桥面板的疲劳性能研究[J].土木工程学报,2015,48(1):74-81.
DING Nan, SHAO Xu-dong. Study on fatigue performance of light-weighted composite bridge deck[J]. China Civil Engineering Journal, 2015, 48(1): 74-81.(in Chinese)
[15] HOBBACHER A F. The new IIW recommendations for fatigue assessment of welded joints and components—a comprehensive code recently updated[J]. International Journal of Fatigue, 2009, 31(1): 50-58.
[16] CONNOR R J, FISHER J W. Consistent approach to calculating stresses for fatigue design of welded rib-to-web connections in steel orthotropic bridge decks[J]. Journal of Bridge Engineering, 2006, 11(5): 517-525.
[17] ZHU Zhi-wen, YUAN Tao, XIANG Ze, et al. Behavior and fatigue performance of details in an orthotropic steel bridge with UHPC-deck plate composite system under in-service traffic flows[J]. Journal of Bridge Engineering, 2018, 23(3): 1-21.
[18] 祝志文,黄 炎,文鹏翔,等.随机车流下钢-UHPC组合正交异性桥面疲劳性能研究[J].中国公路学报,2017,30(3):200-209.
ZHU Zhi-wen, HUANG Yan, WEN Peng-xiang, et al. Investigation on fatigue performance of orthotropic bridge deck with steel-UHPC composite system under random traffic flows[J]. China Journal of Highway and Transport, 2017, 30(3): 200-209.(in Chinese)
[19] 张清华,崔 闯,卜一之,等.港珠澳大桥正交异性钢桥面板疲劳特性研究[J].土木工程学报,2014,47(9):110-119.
ZHANG Qing-hua, CUI Chuang, BU Yi-zhi, et al. Study on fatigue features of orthotropic decks in steel box girder of Hong Kong-Zhuhai-Macao Bridge[J]. China Civil Engineering Journal, 2014, 47(9): 110-119.(in Chinese)
[20] 崔 闯,卜一之,张清华.正交异性钢桥面板焊缝疲劳性能评估方法[J].中国公路学报,2015,28(7):52-57,76.
CUI Chuang, BU Yi-zhi, ZHANG Qing-hua. Fatigue property assessment methods for weld joint in orthotropic steel bridge deck[J]. China Journal of Highway and Transport, 2015, 28(7): 52-57, 76.(in Chinese)
[21] KONDA N, NISHIO M, LCHIMIYA M, et al. Development of fatigue test method and improvement of fatigue life by new functional steel plates for welding of trough rib and deck plate of orthotropic decks[J]. International Journal of Steel Structures, 2013, 13(1): 191-197.
[22] JI Bo-hai, LIU Rong, CHEN Ce, et al. Evaluation on root-deck fatigue of orthotropic steel bridge deck[J]. Journal of Constructional Steel Research, 2013, 90(5): 174-183.
[23] YA S, YAMADA K, ISHIKAWA T. Fatigue evaluation of rib-to-deck welded joints of orthotropic steel bridge deck[J]. Journal of Bridge Engineering, 2011, 16(4): 492-499.
[24] LIU Rong, JI Bo-hai, WANG Man-man, et al. Numerical evaluation of toe-deck fatigue in orthotropic steel bridge deck[J].Journal of Performance of Constructed Facilities, 2015, 29(6): 1-10.
[25] KOZY B M, CONNOR R J, PATERSON D, et al. Proposed revisions to AASHTO-LRFD bridge design specifications for orthotropic steel deck bridges[J]. Journal of Bridge Engineering, 2011, 16(6): 759-767.
[26] ZHU Zhi-wen, HUANG Yan, CHEN Wei, et al. Investigation on base metal cracking on diaphragm cutout at self-anchored suspension bridges[C]∥ASCE. Proceedings of the 4th Orthotropic Bridge Conference. Washington DC: ASCE, 2015: 125-136.
[27] 祝志文,黄 炎,向 泽.货运繁重公路的车辆荷载谱和疲劳车辆模型[J].交通运输工程学报,2017,17(3):13-24.
ZHU Zhi-wen, HUANG Yan, XIANG Ze. Vehicular loading spectrum and fatigue truck models of heavy cargo highway[J]. Journal of Traffic and Transportation Engineering, 2017, 17(3): 13-24.(in Chinese)


Last Update: 2018-05-20