CIVIL ENGINEERING FORMULAS

(Frankie) #1
INDEX 391

Hydraulic and waterworks formulas,
291–359
capillary action, 291
computing rainfall intensity, 333
culverts, 315
entrance and exit submerged,
315
on subcritical slopes, 316
dams, 348–359
arch, 348, 350
buttress, 353–354
diversion, 348
earth, 348, 356
multi-purpose, 348
navigation, 348
power, 348
storage, 348
types of, 348
economical sizing of distribution
piping, 336
evaporation and transpiration, 332
flow from wells, 335
flow over weirs, 330
broad-crested weir, 331
rectangular weir, 330
trapezoidal (Cipolletti) weir, 331
triangular weir, 330
flow through orifices, 308–310
discharge under falling head,
310
submerged orifices, 308–310
fluid flow in pipes, 300
Chezy formula, 399
Darcy–Weisbach formula,
302
Hazen–Williams formula, 303
Konya formula, 201
Manning’s formula, 303
turbulent flow, 301
fluid jets, 310
forces due to pipe bends, 313
formula comparison, 305
fundamentals of fluid flow, 296
groundwater, 334


Hydraulic and waterworks formulas
(Cont.):
hydraulic jump, 321
hydroelectric power generation,
337
turbines, 344–347
Manning’s equation for open
channels, 320
method for determining runoff,
333
nonuniform flow in open
channels, 323
circular channels, 328
parabolic channels, 327
rectangular channels, 325
trapezoidal channels, 328
triangular channels, 326
open-channel flow, 318
critical depth of flow, 320
normal depth of flow, 319
orifice discharge, 308
pipe stresses, 312
prediction of sediment delivery
rate, 332
pressure changes caused by pipe
size changes, 306
bends and standard fitting losses,
307
gradual enlargements, 307
sudden contraction, 307
pumps and pumping systems,
338–344
similitude for physical models,
298
submerged curved surfaces,
pressure on, 295
temperature expansion of pipe, 313
venturi meter flow computation,
336
viscosity, 291
water flow for firefighting, 335
water hammer, 312
weirs, 329
types of, 329
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