Hydraulic Structures: Fourth Edition
116 EMBANKMENT DAM ENGINEERING Therefore (^) total0.68 m at point 3. Point 4: (^) totalrockfill settlement (^) (point 1). v ...
REFERENCES 117 —— (1977) Seepage, Drainage and Flownets, 2nd edn, Wiley, New York. Chalmers, R.W., Vaughan, P.R. and Coats, D.J. ...
118 EMBANKMENT DAM ENGINEERING Gibson, R.E. and Shefford, G.C. (1968) The efficiency of horizontal drainage layers for accelerat ...
Kaptan, C. (1999) The Turkish approach to seismic design. International Journal on Hydropower and Dams, 4 (6): 85–93. Kennard, M ...
Morgenstern, N.R. and Price, V.E. (1965) The analysis of the stability of general slip surfaces. Géotechnique, 15 (1): 79–93. Na ...
Vaughan, P.R., Dounias, G.T. and Potts, D.M. (1989) Advances in analytical tech- niques and the influence of core geometry on be ...
Chapter 3 Concrete dam engineering 3.1 Loading: concepts and criteria 3.1.1 Loads The principal loads operative upon dams were i ...
LOADING: CONCEPTS AND CRITERIA 123 (a) Primary loads WATER LOAD The external hydrostatic pressure, pw, at depth z 1 is expressed ...
The pressure of any permanent tailwater above the plane considered will similarly give rise to the corresponding resultant force ...
LOADING: CONCEPTS AND CRITERIA 125 customary to assume a linear or, if pressure relief drains are installed, a bilinear pressure ...
Laboratory studies using lean concretes representative of those employed in dam construction suggest that is a complex and vari ...
LOADING: CONCEPTS AND CRITERIA 127 (b) Secondary loads SEDIMENT LOAD The gradual accumulation of significant deposits of fine se ...
ice pressures may generate a considerable horizontal thrust near crest level. The pressures exerted on the dam are a complex fun ...
LOADING: CONCEPTS AND CRITERIA 129 effective, or field, modulus of elasticity Eeff14 GN m^2 can be approxi- mated as fn 600 T/ ...
fore now applied only to smaller and less vulnerable concrete dams, or for purposes of preliminary analysis. For high dams, or d ...
LOADING: CONCEPTS AND CRITERIA 131 and acts at elevation 0.40z 1 above X–X. As an initial coarse approxima- tion, hydrodynamic l ...
associated with the nominated load combinations diminishes as their severity is progressively raised. Three nominated load combi ...
GRAVITY DAM ANALYSIS 133 obligation remains with the designer to exercise discretion in defining load combinations which properl ...
rotation and overturning, translation and sliding and overstress and material failure. Criteria 1 and 2 control overall struct ...
GRAVITY DAM ANALYSIS 135 3.2.2 Overturning stability A simplistic factor of safety with respect to overturning, FO, can be expre ...
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