Dynamic Model Testing of Low-Gravity-Center Cable-Stayed Bridges with Different Girder-to-Tower Connections
Publication: Journal of Bridge Engineering
Volume 26, Issue 1
Abstract
To investigate the seismic response characteristics of low-gravity-center cable-stayed bridges with twin towers, a simplified mechanics model was established based on the transmission path of the horizontal seismic inertial forces of the girder under earthquake excitation. The definition of a low-gravity-center cable-stayed bridge with twin towers was proposed. Two 1:75 scale models, a floating system (FS) cable-stayed bridge and a fixed-hinge system (HS) cable-stayed bridge, were fabricated, and shaking table tests were conducted. The results of these tests showed: (1) horizontal cracks appeared at the bottom and middle areas of the main tower in the Test Model FS, whereas diagonal cracks together with concrete spalling formed at the bottom area of the main tower and the bottom crossbeam in the Test Model HS; (2) the Test Model FS experienced a larger displacement response but a smaller acceleration response compared to the Test Model HS; and (3) the reinforcement strain response at the bottom of the main tower of the Test Model HS is smaller than those of the Test Model FS, which is in good agreement with the theoretical analysis of the low-gravity-center cable-stayed bridges. In general, the fixed-hinge system cable-stayed bridge can reduce the overall structural damage under strong earthquakes and is therefore suggested to be used in low-gravity-center cable-stayed bridges. The research results help to understand the failure characteristics of the cable-stayed bridges and to provide a reference for the seismic design of low-gravity-center cable-stayed bridges in practical engineering applications.
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Acknowledgments
The first author thanks the National Natural Science Foundation of China (51778022) and the Beijing Natural Science Foundation of China (8172008) for their financial support of the present research. The authors would also like to thank the Key Laboratory of Urban Security and Disaster Engineering of the Ministry of Education, Beijing University of Technology, for providing the shake tables.
References
Ali, H. M., and A. M. Abdel-Ghaffar. 1994. “Seismic energy dissipation for cable-stayed bridges using passive devices.” Earthquake Eng. Struct. Dyn. 23 (8): 877–893. https://doi.org/10.1002/eqe.4290230805.
Buckingham, E. 1914. “On physically similar systems; illustrations of the use of dimensional equations.” Phys. Rev. 4 (4): 345–376. https://doi.org/10.1103/PhysRev.4.345.
Calvi, G. M., T. J. Sullivan, and A. Villani. 2010. “Conceptual seismic design of cable-stayed bridges.” J. Earthquake Eng. 14 (8): 1139–1171. https://doi.org/10.1080/13632469.2010.505275.
Camara, A., and M. A. Astiz. 2012. “Pushover analysis for the seismic response prediction of cable-stayed bridges under multi-directional excitation.” Eng. Struct. 41: 444–455. https://doi.org/10.1016/j.engstruct.2012.03.059.
Camara, A., and E. Efthymiou. 2016. “Deck–tower interaction in the transverse seismic response of cable-stayed bridges and optimum configurations.” Eng. Struct. 124: 494–506. https://doi.org/10.1016/j.engstruct.2016.06.017.
Chang, K. C., Y. L. Mo, C. C. Chen, L. C. Lai, and C. C. Chou. 2004. “Lessons learned from the damaged Chi-Lu cable-stayed bridge.” J. Bridge Eng. 9 (4): 343–352. https://doi.org/10.1061/(ASCE)1084-0702(2004)9:4(343).
Filiatrault, A., R. Tinawi, and B. Massicotte. 1993a. “Damage to cable-stayed bridge during 1988 Saguenay earthquake. I: Pseudostatic analysis.” J. Struct. Eng. 119 (5): 1432–1449. https://doi.org/10.1061/(ASCE)0733-9445(1993)119:5(1432).
Filiatrault, A., R. Tinawi, and B. Massicotte. 1993b. “Damage to cable-stayed bridge during 1988 Saguenay earthquake. II: Dynamic analysis.” J. Struct. Eng. 119 (5): 1450–1463. https://doi.org/10.1061/(ASCE)0733-9445(1993)119:5(1450).
Ganev, T., F. Yamazaki, H. Ishizaki, and M. Kitazawa. 1998. “Response analysis of the Higashi-Kobe bridge and surrounding soil in the 1995 Hyogoken-Nanbu earthquake.” Earthquake Eng. Struct. Dyn. 27 (6): 557–576. https://doi.org/<557::AID-EQE742>3.0.CO;2-Z.
Garevski, M. A., and R. T. Severn. 1993. “Damping and response measurement on a small-scale model of a cable-stayed bridge.” Earthquake Eng. Struct. Dyn. 22 (1): 13–29. https://doi.org/10.1002/eqe.4290220103.
Godden, W. G., and M. Aslam. 1978. “Dynamic model studies of Ruck-A-Chucky bridge.” J. Struct. Div. 104 (12): 1827–1844.
Guo, T., Z. X. Liu, J. Correia, and A. M. P. de Jesus. 2020. “Experimental study on fretting-fatigue of bridge cable wires.” Int. J. Fatigue 131: 105321. https://doi.org/10.1016/j.ijfatigue.2019.105321.
Johnson, N., R. T. Ranf, M. S. Saiidi, D. Sanders, and M. Eberhard. 2008. “Seismic testing of a two-span reinforced concrete bridge.” J. Bridge Eng. 13 (2): 173–182. https://doi.org/10.1061/(ASCE)1084-0702(2008)13:2(173).
Jung, H.-J., B. F. Spencer, and I.-W. Lee. 2003. “Control of seismically excited cable-stayed bridge employing magnetorheological fluid dampers.” J. Struct. Eng. 129 (7): 873–883. https://doi.org/10.1061/(ASCE)0733-9445(2003)129:7(873).
Li, J. Z., J. K. Yan, T. B. Peng, and L. Han. 2015. “Shake table studies of seismic structural systems of a Taizhou Changjiang highway bridge model.” J. Bridge Eng. 20 (3): 04014065. https://doi.org/10.1061/(ASCE)BE.1943-5592.0000650.
MOHURD (Ministry of Housing and Urban-Rural Development of the People’s Republic of China). 2010a. Code for seismic design of buildings. GB 50011-2010. Beijing: MOHURD.
MOHURD (Ministry of Housing and Urban-Rural Development of the People’s Republic of China). 2010b. Standards for evaluation of concrete compressive strength. GB/T 50107-2010. Beijing: MOHURD.
Moncarz, P. D., and H. Krawinkler. 1981. “Theory and application of experimental model analysis in earthquake engineering.” Rep. No. 50. Stanford, CA: Dept. of Civil Engineering and Environmental Engineering, Stanford Univ.
Nazmy, A. S., and A. M. Abdel-Ghaffar. 1992. “Effects of ground motion spatial variability on the response of cable-stayed bridges.” Earthquake Eng. Struct. Dyn. 21 (1): 1–20. https://doi.org/10.1002/eqe.4290210101.
Okamoto, Y., and S. Nakamura. 2011. “Static and seismic studies on steel/concrete hybrid towers for multi-span cable-stayed bridges.” J. Constr. Steel Res. 67 (2): 203–210. https://doi.org/10.1016/j.jcsr.2010.08.008.
Siringoringo, D. M., Y. Fujino, and K. Namikawa. 2014. “Seismic response analyses of the Yokohama Bay cable-stayed bridge in the 2011 Great East Japan earthquake.” J. Bridge Eng. 19 (8): A4014006. https://doi.org/10.1061/(ASCE)BE.1943-5592.0000508.
Soneji, B. B., and R. S. Jangid. 2007. “Passive hybrid systems for earthquake protection of cable-stayed bridge.” Eng. Struct. 29 (1): 57–70. https://doi.org/10.1016/j.engstruct.2006.03.034.
Williams, D., and W. Godden. 1979. “Seismic response of long curved bridge structures: Experimental model studies.” Earthquake Eng. Struct. Dyn. 7 (2): 107–128. https://doi.org/10.1002/eqe.4290070202.
Xie, W., and L. M. Sun. 2019. “Experimental and numerical verification on effects of inelastic tower links on transverse seismic response of tower of bridge full model.” Eng. Struct. 182: 344–362. https://doi.org/10.1016/j.engstruct.2018.12.046.
Xu, Y., R. L. Wang, and J. Z. Li. 2016. “Experimental verification of a cable-stayed bridge model using passive energy dissipation devices.” J. Bridge Eng. 21 (12): 04016092. https://doi.org/10.1061/(ASCE)BE.1943-5592.0000966.
Yan, H. Q., and J. J. Wang. 2007. “A tower model for seismic response prediction of floating cable-stayed bridge in longitudinal direction.” [In Chinese.] Earthquake Eng. Eng. Dyn. 27 (4): 80–86.
Ye, A. J., S. D. Hu, and L. C. Fan. 2002. “Research on aseismatic structural system of cable-stayed bridge.” [In Chinese.] Bridge Constr. 32 (4): 1–4.
Zhang, W. X., Y. Chen, W. Q. Kou, and Z. Wang. 2018. “Simplified criterion for low gravity center cable-stayed bridge based on response spectrum.” [In Chinese.] J. Cent. South Univ. (Sci. Technol.) 49 (7): 1793–1798.
Zhang, W. X., J. Z. Li, and H. F. Li. 2007. “Study of seismic response characteristics of low gravity center cable-stayed bridge.” [In Chinese.] Bridge Constr. 37 (5): 21–23+41.
Zhang, W. X., J. J. Wang, and S. T. Chen. 2015. “Study of seismic response characteristics of gravity center’s height to different structure system cable-stayed bridge.” [In Chinese.] Highway 60 (1): 72–76.
Zhou, L., X. Wang, and A. Ye. 2019. “Shake table test on transverse steel damper seismic system for long span cable-stayed bridges.” Eng. Struct. 179: 106–119. https://doi.org/10.1016/j.engstruct.2018.10.073.
Zhou, Y., X. L. Lu, and W. S. Lu. 2006. “Shaking table test model design in different structures.” [In Chinese.] Struct. Eng. 22 (4): 37–40.
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Received: Feb 10, 2020
Accepted: Jul 23, 2020
Published online: Nov 7, 2020
Published in print: Jan 1, 2021
Discussion open until: Apr 7, 2021
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