Static Analysis of Gravity Dams Considering Foundation-Structure Interaction

Article Preview

Abstract:

A dam is an artificial barrier constructed across a stream channel to impound water. Analysis of stresses and displacements are inevitable for the structural design and failure analysis of dams. This paper deals with the numerical simulation of structural response of gravity dams, duly considering the foundation-structure interaction. The optimum depth and width of foundation extend to be considered in the numerical model is also studied. A parametric study based on the stiffness of the foundation is also exercised. As an application of the developed model, a case study of Peechi gravity dam is presented. This study proved the importance of consideration of foundation-structure interaction in the structural analysis of dams. The developed numerical model can be further improved for performing seismic analysis of gravity dams, considering the foundation-structure as well as fluid-structure interactions.

You might also be interested in these eBooks

Info:

Periodical:

Pages:

237-242

Citation:

Online since:

November 2016

Export:

Price:

Permissions CCC:

Permissions PLS:

Сopyright:

© 2017 Trans Tech Publications Ltd. All Rights Reserved

Share:

Citation:

* - Corresponding Author

[1] P. Novak, A.I.B. Moffat, C. Nalluri, R. Narayanan, Hydraulic structures, fourth ed., Taylor and Francis, New York, (2007).

Google Scholar

[2] H.M. Westergaard, Water pressures on dams during earthquakes, Transactions of ASCE. 98 (1933) 418-427.

Google Scholar

[3] A. Burman, P. Nayak, P. Agrawal, D. Maity, Coupled gravity dam–foundation analysis using a simplified direct method of soil–structure interaction, Soil. Dyn. Earthq. Eng. 34 (2012) 62–68.

DOI: 10.1016/j.soildyn.2011.10.008

Google Scholar

[4] G. Fenves, A.K. Chopra, Effects of reservoir bottom absorption on earthquake of concrete gravity dams, Earthquake. Eng. Struc. 11 (1983) 809-829.

DOI: 10.1002/eqe.4290110607

Google Scholar

[5] V. Lotfi, Seismic analysis of concrete gravity dams by decoupled modal approach in time domain, Electronic Journal of Structure Engineering. 3 (2003) 102-116.

DOI: 10.56748/ejse.333

Google Scholar

[6] M.M. Heydari, S. Khosravi, Modelling of Concrete Gravity Dam Including Dam-Water-Foundation Rock Interaction, World Applied Sciences Journal. 22 (2011): 538-546.

Google Scholar

[7] A.Z. Bakenaz, Hydrodynamic Analysis of Concrete Gravity Dams Subjected To Ground Motion, 9th Symposium of ICOLD European Club. (2013) 10-12.

Google Scholar

[8] J.P. Wolf, G.R. Darbre, Nonlinear soil-structure interaction analysis based on the boundary element method in time domain with application to embedded foundation, Earthquake. Eng. Struc. 13 (1986) 83-100.

DOI: 10.1002/eqe.4290140107

Google Scholar

[9] B. Singh, P. Agarwal, Seismic Response of High Concrete Gravity Dam Including Dam-Reservoir-Foundation Interaction Effect, Journal of South Asia Disaster Studies. 2 (2009) 41-57.

Google Scholar

[10] K.R.M. Rao, N.N. Shaik, Finite Element Modeling and Seismic Response Evaluation of Large Concrete Gravity Dams, International Journal of Emerging Engineering Research and Technology. 2 (2014), 178-186.

Google Scholar

[11] T.B. Amina, N. Armouti, M. Belharizi, A. Bekkouche, Dynamic Soil Structure Interaction Study, Jordan Journal of Civil Engineering. 6 (2012) 161-173.

Google Scholar

[12] S.V. Patil, U.R. Awari, Effect of Soil Structure Interaction on Gravity Dam, International Journal of Modern Trends in Engineering and research. (2015) 2349-9745.

Google Scholar