Embankment,seeDams,
embankment
Emergency
gate 267, 274
spillway 20–1, 67
Energy
dissipation 20–1, 244–62
at bottom outlets 261–2
on spillways 228 , 245–6, 245 ,
dissipator (stilling basin)
249–57
see alsoStilling basin
Engelund–Hansen equation 326
Engineering soils
apparent cohesion 49, 50 , 52
characteristics 47–59, 47 , 52 , 57
classification 43–5, 44 , 45
clays/cohesive 43, 44 , 45 , 47 ,
51–2, 52 , 57 , 74 , 75
cohesive/frictional 50, 51, 51
collapse compression 59
compaction 47, 54–6, 55 , 59, 74 ,
75 , 100
compressibility 52–3, 56, 57 , 75
consistency 44, 52
consolidation 48, 52–3
effective stress 46–7, 46 , 48, 50,
50 , 57 , 59
geostatic (total) stress 46, 46
load response 47–9, 49 , 50 , 51 ,
52–3
nature of 42–3
partial saturation 58–9
permeability 53–4, 56, 57 , 59
phreatic surface 46, 64 78, 79,
80 , 113
piezometric level 46, 80 , 112
plasticity 43, 44, 56, 91
pore pressure
coefficients/parameters 48–9,
83–4
pore pressure ratio 83–5, 87,
113
porewater pressure 45–7, 46 ,
49 , 83–5, 86 , 102
representative characteristics
47 , 57 , 74 , 75
shear strength 49–52, 50 , 51 ,
52 , 57 , 59, 75
shearing resistance, angle of
49, 50 , 57 , 75
types 42–3, 44 , 45
see alsoDams, embankment
Erodibility index 258
Erosion
downstream of stilling basin
64 , 257–8
internal,seeDams,
embankment
permissible velocities 442, 442
see alsoScour
Euler number 679
Fargue laws 344
Fascines 351, 352
Fetch 198–9, 199 , 595–8, 596 , 597
Filter 73, 81–2, 351, 377, 377 ,
384–8,385–8
see alsoDams, embankment
Fish
barrier dam 414
Denil pass 413
ladder (pool and traverse pass)
411–13, 412
lift 413–14, 414
pass 410–15
screen 414–15, 415
sound barrier 415
trap 414
Flip bucket 247 , 248–9
Flood
banks 106–7, 345–6, 345
design 20, 192–5, 194
probable maximum 192–3, 194
risk (of exceeding design
flood) 193
routing in reservoirs 195–7
routing in rivers 338–42
surcharge 180–2
Flow
gauging 333–5
induced vibrations 272, 284,
576, 612–18
measuring structures 337–8,
339 ,340–1
modular 356 , 358
non-modular, correction factor
359, 359
open channel 322–5
parameter 326
uniform, non-uniform,
unsteady 322–5
Flownet 78–9, 80, 111–12
Flumes 337–8, 339 , 341
Flushing (of reservoirs) 203
Freeboard 62, 63, 64, 67, 77 , 101 ,
197–200
Froude number 679
Fuse plug 21, 230
Gabion 350–1, 352
Gate
aviation 283
automation 284–5
bulkhead 267
cavitation 283
control 284–5
crest 268–74
cylinder 275
drum 270
emergency 267–8, 282
fabric (inflatable) 274
flap (pivot leaf) 271–2, 273
floating 267
forces on 279–83
high head 275–7
lift (vertical, plain) 268–70,
269 , 275
maintenance 267–8, 285
overflow 280
overspill fusegate 274
radial (Tainter) 270, 271 , 275
regulating 267
reliability 284–5
roller 272, 273
sector (drum) 270
surge protection 277–9
underflow 280
vibration 284
wicket 280
Gebers equation 474
Generators 522–3
Geotextiles 350–1
geotubes 351
Groyne 347–8, 348–50, 634–6,
635
Harbour (coastal) 592
Harbour (inland port) 491–2
Head
on crest (of spillway) 206–7,
206
design 207 , 208
effective (hydroelectric plant)
499
Headrace 518–19
Hickox equation 210
Hooke’s law 684
Hydraulic jump
air uptake 234, 252, 283
stilling basin 249–54, 250 ,
262–4
Hydroelectric power
demand 497–8
supply 497–8
see alsoPower (load); Power
plant; Turbine
Hydroinformatics 674
Ice load 36, 37, 123 , 127–8, 132
ICOLD,seeDams, general
Inland port 491–2
In-line oscillaitons 615
Inlet head loss 232
Intake 392–405
alignment 394–7
entrance loss 394–6
location 394–7
sediment exclusion 393–9, 393,
395–9
Jambor sill 367–8
JONSWAP 199, 598–9
Keulegan–Carpenter number
603–7
Lacey and Pemberton equation
329
Level crossing 420, 420
Lift (navigation)
inclined 488 , 490
rotating 488–9
vertical 488–9, 489
Lighter 470
Littoral drift 629–30, 630
Lock (navigation)
approach (basin) 490–1, 491
culvert 480, 482
direct filling (emptying)
478–80,478–81
gate 479–80, 479–81
high head 480–8, 487
indirect filling (emptying)
481–3, 483
low head 478–80
thrift 486–8, 487
Log-normal distribution 600
Longshore current 629–30, 630
Manometric head 551, 554–5,
553 , 555
Mass curve 504, 535
Mattress 350–1, 352
Mayer–Peter and Muller
equation 326
Meandering (stream) 327–8, 327
Model
coastal 633, 676, 682–3
computational 674–6
concrete dam 685–6
distortion 677, 679
embankment 686–7
hybrid 675
hydraulic (physical, scale)
674–83
mathematical 674–6
numerical 674–6
scale,seeHydraulic (model)
scale effect 677, 679
698 SUBJECT INDEX
