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Journal of the South African Institution of Civil Engineering

On-line version ISSN 2309-8775
Print version ISSN 1021-2019


OPAN, M. Effects of safety factors on the deflections in a concrete gravity dam. J. S. Afr. Inst. Civ. Eng. [online]. 2014, vol.56, n.3, pp.25-29. ISSN 2309-8775.

The aim of this study was to determine the effects of safety factors on the deflections of a concrete gravity dam. Overturning and sliding safety factors for a selected concrete gravity dam with base width b and height H were specified, using pseudo analysis for the b/H ratios and earthquake acceleration values between 0.1 g and 0.4 g. Deflection values for specified parameters were obtained from the structural analysis program SAP2000. Deflection safety factor curves, determined from the b/H ratios, were obtained, as well as the earthquake acceleration values. The results of this analysis showed that safety factors reduced while strain values increased.

Keywords : concrete gravity dam; pseudo analysis; deflections; safety factors.

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