uplift pressure and canal regulation works straight glacis fall sheet pile silt pressure energy dissipation works design of blanket seepage and structural failures irrigation methods canal falls canal falls and spillway irrigation indices irrigation scheduling based on gtu syllabus water resources engineering canal falls type impervious floor design trapezoidal canal fall impervious floor trepezoidal canal fall khosla's theory vertical drop fall blihgh's creep theory rectangle type canal fall total creep length bed pitching cutoff straight glasis fall cutoff design cistern design vertical drop fall sarda type fall ogee spillway greater than 4.5 and v1 greater than 15 m/sec u.s.b.r. type-ill basin for f u.s.b.r. type-ii basin for f1 greater than 4.5 and type i basin (f1 between 2.5 to 4.5) 1. horizontal apron - type-i 2. horizontal apron - [b] indian standards basins [a] u.s.b.r. stilling basins sills and dentated sills basin blocks or baffle blocks or baffle piers chute blocks stilling basin energy dissipators (3) slope of d/s face of gravity dam = 0.7 h : 1 v design of spillway practicalprofileofspillway (ii) vertical component(pv) = weight of water in horizontal component(ph) wave pressure water pressure ice pressure forces acting on a gravity dam are as follows : earth quake pressure wind pressure weight of the dam hydrodynamic pressure : (a) seismic coefficient method (b) response spectr earthquake forces (seismic forces) : wind pressure : 5. wave pressure forces acting on gravity dam moment of weight of dam (w1 + w2 + w3) + moment Σv = weight of dam (w1+w2+w3) + vertical forc gate gallery foundation gallery b. drainage gallery c. inspecti overflow section outlets non-overflow section shafts drainage galleries joints power house infinite length of blanket. finite length of blanket methods of normal and tangential components. swedish slip circle effect of tension crack scale of photo graphs oblique photographs vertical photographs low photographs aerial photogrammetry section of an earth dam : the design of an earth d preventive measures for failures. earthen dam section hydraulic foundation conditions pervious cell d/s slope protection cutoff. u/s slope protection impervious cell components of earthen dam rock toe drip irrigation sprinkler irrigation. irr diversion headworks concrete gravity dam embankment dam crop water relationship leaching requirement & methods necessity of scheduling criteria of scheduling irrigation critical stages of crop water need economic irrigation efficiency time of irrigation frequency & irrigation interval stages of crop growth irrigation depth and water quality criteria planning irrigation schedules plant response of saline and alkali soil. water application- conveyance- storage-use efficie project irrigation efficiency juridiction water user organization. types-design-layout of drainage systems participatory irrigation management causes-preventing-ill effects of water logging regulation-operation-management of canal system from v.h.k.
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