Effect of Foundation Nonlinearity on Seismic Response of an Existing Arch Dam
DOI:
https://doi.org/10.28991/cej-2016-00000026Keywords:
Concrete Arch Dam, Foundation Nonlinearity, Massed Foundation, Seismic Analyses.Abstract
In the present paper, the effect of foundation nonlinearity on the seismic response of an existing arch dam is investigated. Luzzone arch dam in Switzerland is selected as a case study. The foundation nonlinearity is originated from opening/slipping of joints between a potential wedge at the left abutment and remaining foundation. Reservoir's water is assumed compressible and the coupled system is solved simultaneously. Also, the foundationis assumed massed medium via viscous boundary on the far-end truncated boundary. Two cases are considered in the analyses; the system applying reservoir pressure on the foundation; the system with no reservoir pressure applied on the foundation. The results reveal that the ignoringreservoir pressure on the foundation overestimates the response of the dam body. Finally, based on the conducted analyses, considering foundation nonlinearity has no significant effect on the results in the considered case due to special design of the body shape.References
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[11] Mills-Bria, Barbara L., Nuss, Larry K.; Chopra, Anil K. Current methodology at the Bureau of Reclamation for the nonlinear analyses of arch dams using explicit finite element techniques. The 14th World Conference on Earthquake Engineering October 12-17, 2008, Beijing, China
[12] Sohrabi Gilani M., Feldbacher R. and Zenz G., Stability of dam abutment including seismic loading. 10th Benchmark Workshop on Numerical Analysis of Dam, ICOLD, Paris, France, 16-18 September, (2009).
[13] Zenz G., Goldgruber M. and Feldbacher R., Seismic stability of a rock wedge in the abutment of an arch dam, Geomechanics and Tunnelling, 5, 186-194 (2012).
[14] Takalloozadeh M. and Ghaemian M. Shape optimization of concrete arch dams considering abutment stability. Scientia Iranica A (2014) 21(4), 1297-1308
[15] Mirzabozorg H., Kordzadeh A. and Hariri Ardebili M. A., Seismic response of concrete arch dams including dam-reservoir-foundation interaction using infinite elements, Electronic Journal of Structural Engineering, 12, 63-73 (2012).
[16] Hariri Ardebili M. A. and Mirzabozorg H., Investigation of endurance time method capability in seismic performance evaluation of concrete arch dams, Dam Engineering, 22, 35-64 (2011).
[17] Mirzabozorg H., Khaloo A. R. and Ghaemian M., Staggered solution scheme for three-dimensional analysis of dam-reservoir interaction, Dam Engineering, 14, 1-33 (2003).
[18] Mirzabozorg H. and Ghaemian M., Nonlinear behavior of mass concrete in three-dimensional problems using smeared crack approach, Earthq Eng Struct Dyn, 34, 247-269 (2005).
[19] Westergaard H. M., Water pressures on dams during earthquakes, Trans. ASCE, 98, 418-433 (1933).
[2] Wittke, W., and G. A. Leonards. Modified hypothesis for failure of the Malpasset Dam. Engineering Geology24.1 (1987): 407-421.
[3] Kottenstette, J. T. Block theory techniques used in arch dam foundation stability analysis. International Journal of Rock Mechanics and Mining Sciences 34.3 (1997): 163-e1.
[4] Jun-rui, C. H. A. I. Review on Dynamic Stability Analysis of Rock Mass in High Arch Dam Abutment. Journal of Liaoning Technical University (Natural Science Edition) 4 (2001): 042.
[5] Londe, P., Analysis of the stability of rock slopes. Quarterly Journal of Hydrogeology 6, 93-124 (1973).
[6] Boyer, D.D. and Ferguson, K.A. Important factors to consider in evaluating sliding stability of rock foundations for dams. 16th Annual Conference: Association of State Dam Safety Officials (ASDSO), October 10-13, 1999. ST. Louis, US.
[7] Noble, Charles R., and Nuss, Larry K.. Nonlinear seismic analysis of Morrow Point dam. 13th World Conference on Earthquake Engineering Vancouver, Canada, 1-6, August 2004.
[8] She, C. X. Deformation and stability of the right arch dam abutment of the Danjiang Hydro-Power project, China. International Journal of Rock Mechanics and Mining Sciences, 41 (2004): 792-797.
[9] Yu, X., Zhou Y. F., and Peng S. Z. Stability analyses of dam abutments by 3D elasto-plastic finite-element method: a case study of Houhe gravity-arch dam in China. International journal of rock mechanics and mining sciences. 42.3 (2005): 415-430.
[10] Wang, Haibo, and Deyu Li. Experimental study of dynamic damage of an arch dam. Earthquake engineering & structural dynamics, 36.3 (2007): 347-366.
[11] Mills-Bria, Barbara L., Nuss, Larry K.; Chopra, Anil K. Current methodology at the Bureau of Reclamation for the nonlinear analyses of arch dams using explicit finite element techniques. The 14th World Conference on Earthquake Engineering October 12-17, 2008, Beijing, China
[12] Sohrabi Gilani M., Feldbacher R. and Zenz G., Stability of dam abutment including seismic loading. 10th Benchmark Workshop on Numerical Analysis of Dam, ICOLD, Paris, France, 16-18 September, (2009).
[13] Zenz G., Goldgruber M. and Feldbacher R., Seismic stability of a rock wedge in the abutment of an arch dam, Geomechanics and Tunnelling, 5, 186-194 (2012).
[14] Takalloozadeh M. and Ghaemian M. Shape optimization of concrete arch dams considering abutment stability. Scientia Iranica A (2014) 21(4), 1297-1308
[15] Mirzabozorg H., Kordzadeh A. and Hariri Ardebili M. A., Seismic response of concrete arch dams including dam-reservoir-foundation interaction using infinite elements, Electronic Journal of Structural Engineering, 12, 63-73 (2012).
[16] Hariri Ardebili M. A. and Mirzabozorg H., Investigation of endurance time method capability in seismic performance evaluation of concrete arch dams, Dam Engineering, 22, 35-64 (2011).
[17] Mirzabozorg H., Khaloo A. R. and Ghaemian M., Staggered solution scheme for three-dimensional analysis of dam-reservoir interaction, Dam Engineering, 14, 1-33 (2003).
[18] Mirzabozorg H. and Ghaemian M., Nonlinear behavior of mass concrete in three-dimensional problems using smeared crack approach, Earthq Eng Struct Dyn, 34, 247-269 (2005).
[19] Westergaard H. M., Water pressures on dams during earthquakes, Trans. ASCE, 98, 418-433 (1933).
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