Abstract.
Parametric study was carried out in this paper using the Finite Element Method (FEM) to study the effects of variations of the two parameters, i.e., variations in batter slope and foundation properties under static and dynamic loading conditions on the distribution of the peak stresses within the dam and foundation soils. The response spectra for the operating basis earthquake (OBE) and the maximum credible earthquake (MCE) were used in the dynamic analysis. It is shown that the distribution of peak stresses across base of dam and the extent of tensile zone on the foundation soils at the foundation level vary with the variations in the batter slope. Generally, as the batter slope increases the extent of the tensile zone at the foundation level decreases but not necessarily the maximum tensile stresses. However, an optimum batter slope could be achieved based on the results of this parametric study. It should be noted that the greatest tension is developed in the rock adjacent to the toe of the batter. For the foundation mechanical properties, it has been shown that the assessment of accurate soil mechanical properties has a great effect on the computed design stresses from finite element analysis. However, the greatest effect of the foundation properties was on the stresses at the base of dam while it has a negligible effect within the dam body.
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References
Andriolo, F.R. (2002) RCC-Materials Available -- Properties and Practices in Different Regions,In: A.I., Husein, Malkawi, M. Auflrger,and Th. Strobl (eds.), Key note lecture, proceeding of the 2002 International Conference on Roller Compacted Concrete Dam Construction in Middle East, April 7th--10th. Jordan University of Science and Technology, Irbid, Jordan, pp. 201–212.
Forbes, B., Iskander, M. and Husein Malkawi, A.I. (2001) High RCC Standards Achieved in Completing Jordan’s Tannur Dam, The International Journal of Hydropower and Dams, U.K. 8(3).
Howard Humphreys Consulting Engineers. (1995) The Study and Design of Tannur Dam, Special report by the ministry of water, Jordan,Vol. 3,March.
A.I. Husein Malkawi Kh.J. Fahmi (1996) ArticleTitleLocally Derived Earthquake Ground Motion Relations for Jordan and Conterminous Areas Quarterly Journal of Engineering Geology. 29 309–319
ICOLD (1989) Selecting Seismic Parameters for Large Dams,Bulletin 72, ICOLD
Wagner,C.M. and Hazaiyma,Kh. (2002) Design Approach to Geological Problems Encountered at Tannur Dam In: A.I. Husein Malkawi, M. Au.rger,and Th. Strobl (eds.), Proceeding of the 2002 International Conference on Roller Compacted Concrete Dam Construction in Middle East, April 7th-10th. Jordan University of Science and Technology,Irbid,Jordan, pp. 201–212.
Westergaard,H.M. (1931) Water Pressures on Dams During Earthquake,American Society of Civil Engineers,Transactions, November, pp. 418–433.
E.L. Wilson A. Habibullah (1989) SAP90, A Series of Computer Programs for the Static and Dynamic Finite Element Analysis of Structures,Users Manual Berkeley California USA
Mott MacDonald (1999) Consultancy Services for Engineering Supervision of Construction of Tannur Dam,Design Review Report, March.
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Barakat, S.A., Malkawi, A.I.H. & Omar, M. Parametric study using FEM for the stability of the RCC Tannur dam. Geotech Geol Eng 23, 61–78 (2005). https://doi.org/10.1007/s10706-003-4770-z
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DOI: https://doi.org/10.1007/s10706-003-4770-z