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