Static responses analysis of prestressing tension force effects on vertical deflection and shear force of simply-supported and continuous prestressed concrete bridges

  • Authors

    • Ali Fadhil Naser Building and Construction Engineering Department, Al-Furat Al-Awsat Technical University/ Al-Mussaib Technical College, Babylon, Iraq
    2019-03-28
    https://doi.org/10.14419/ijet.v7i4.18021
  • Bridge, Deflection, Prestressing Force, Shear, Static Responses.
  • Abstract

    The purpose of this study is to investigate and evaluate the effect of prestressing tension force on the static responses such as vertical deflection and vertical shear force of prestressed concrete bridges. Simply-supported I-girder bridge model and continuous box girder concrete bridge model are selected. Each model is used 12 levels of prestressing tension force ranged from 500kN to 6000kN. Finite element analysis method is used in static analysis. The results of static analysis shows that simply-supported bridge model appears the maximum value of upward deflection (18mm) due to prestressing force stage and maximum value of downward deflection (-15mm) due to service loads stage. Therefore, the prestressing tension force has significant effect to reduce the downward deflection due to service loads. This model also appears direct proportion between prestressing tension force and vertical shear force for prestressing force analysis and service loads stages. For continuous box girder bridge model, the prestressing tension force has no important effect on the upward vertical deflection due to prestressing load stage and it appears just downward vertical deflection. Therefore, this types of model needs to increase the prestressing force tension of steel tendons to reduce the downward deflection and to increases upward deflection. Continuous box girder bridge model gives opposite proportion between prestressing tension force and vertical shear force in positive and negative area within prestressing force analysis stage. Under service load stage, the positive and negative vertical shear force is decreased when the prestressing tension force increased.

     


  • References

    1. [1] M. D. Hueste, J. B. Mander, and A. S. Parkar, (2012), Continuous Prestressed Concrete Girder Bridges, Vol. 1: Literature Review and Preliminary Designs, Texas Department of Transportation Research and Technology Implementation Office, Report 0-6651-1.

      [2] A. F. Naser and W. Zonglin, (2011), Damage Inspection and Performance Evaluation of Jilin Highway Double-Curved Arch Concrete Bridge in China, Structural Engineering and Mechanics, An International Journal, Vol. 39, No. 4, 521-539.

      [3] D. Gasparini, (2006), The Prestressing of Structures: A Historical Review, Proceedings of the Second International Congress on Construction History, Vol. 2, 1221-1232, Queens College, Cambridge University.

      [4] Z. Xiang, T. Chan, D. Thambiratnam, and T. Nguyen, Prestress Force and Moving load Identification on Prestressed Concrete beam based on Virtual Distortion Method, the 2015 Congress on Advanced in Structural Engineering and Mechanics. Korea, 2015.

      [5] K. Cho, S. Kim, J. Cho, and Y. Park, (2017), Estimation of Tendon Force Distribution in Prestressed Concrete Girders Using Smart Strand, Applied Science, Vol. 6, 1-12.https://doi.org/10.3390/app7121319.

      [6] J. Kim, Y. Ryu, C. Yun, J. Ryu and C. Yun, (2003), Vibration-Based Method to Detect Prestress Loss in Beam-Type Bridges, Proc. SPIE 5057, Smart Structures and Materials 2003: Smart Systems and Nondestructive Evaluation for Civil Infrastructures, 559-568. https://doi.org/10.1117/12.484638.

      [7] C. Burgoyne and R. Scantlebury, (2006), Why did Palau Bridge Collapse? The Structural Engineer, Vol. 84, 30-37.

      [8] S. Bae1, Radial Tension Induced by Prestressing Forces and Moments, Proceeding of 22nd Conference on Structural Mechanics in Reactor Technology, 2013, San Francisco, California, USA.

      [9] D. Noble, M. Nogal, A. Connor, and V. Pakrashi, The Effect of Prestress Force Magnitude on the Natural Frequencies of Prestressed Concrete Structures, 23rd Australasian Conference on the Mechanics of Structures and Materials (ACMSM23), 2014, Byron Bay, Australia, 1-6.

      [10] D. Noble, M. Nogal, A. Connor, and V. Pakrashi, The Effect of Post-Tensioning Force Magnitude and Eccentricity on the Natural Bending Frequency of Cracked Post-Tensioned Concrete Beams, 11th International Conference on Damage Assessment of Structures (DAMAS 2015), 2015, Journal of Physics: Conference Series 628, 1-8.https://doi.org/10.1088/1742-6596/628/1/012047.

      [11] R. Frans, and Y. Arfiadi, Sizing and Pre-stressing Force Optimization of Pre-stressed Concrete Beam Using Fast Multi Swarm Optimization, International Journal of Engineering and Science Applications, Vol. 3, No. 1, 2016, 1-7.

      [12] J. Li, Effect of Pre-stress on Natural Vibration Frequency of the Continuous Steel Beam Based on Hilbert-Huang Transform, Journal of VibroEngineering. Vol. 18, No. 5, 2016, 2818-2827.https://doi.org/10.21595/jve.2016.17076.

      [13] S. Ajinkya and V. Khurd, Effect of Prestressing Force, Cable Profile and Eccentricity on Post Tensioned Beam, International Research Journal of Engineering and Technology (IRJET) , Vol. 4, No. 11, 2017, 626-632.

      [14] H. Sungnam, Effect of Prestress Levels and Jacking Methods on Friction Losses in Curved Prestressed Tendons, Applied Science, Vol. 7, 824, 2017, 1-14.

      [15] B. Tang, F. Wang, and S. Chen, Effect of Prestress Force on Natural Bending Frequency of External Prestressed Steel Beams, The Open Civil Engineering Journal, Vol. 12, 2018, 62-70. https://doi.org/10.2174/1874149501812010062.

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  • How to Cite

    Fadhil Naser, A. (2019). Static responses analysis of prestressing tension force effects on vertical deflection and shear force of simply-supported and continuous prestressed concrete bridges. International Journal of Engineering & Technology, 7(4), 5340-5344. https://doi.org/10.14419/ijet.v7i4.18021

    Received date: 2018-08-20

    Accepted date: 2019-01-18

    Published date: 2019-03-28