392 INDEX
Langefors’ formula, 201
Laterally loaded vertical piles,
105–107
Load-and-resistance factor design,
207
for bridge beams, 256
for bridge columns, 250
for building beams, 211
for building columns, 209
for building shear, 207
Load-bearing walls, 148
Lumber formulas, 157–175
adjustment factors for design
values, 164
beams, 159
bearing area, 159, 165, 167
bending and axial compression,
173
bending and axial tension, 173
column stability and buckling,
167–169
for connections with fasteners,
171–172
columns, 160–161
in combined bending and axial
load, 161
compression, at angle to grain,
161
on oblique plane, 163–164
fasteners for wood, 169
nails, 169
screws, 170
spikes, 169
flat ends of columns,
174–176
Forest Products Laboratory
recommendations, 162–163
grading of lumber, 157
radial stresses and curvature, 166
sizes of lumber, 157
Manning’s formula, 303, 320
Maxwell’s theorem, 51
Modulus of elasticity, of concrete,
116
Molitor-Stevenson equation, 359
Moment capacity of concrete, 131Natural circular frequencies of
prismatic beams, 74
coefficients for computing, 75Open channels, nonuniform flow in,
318
Orifice discharge, 311
Orifices, flow through, 308Parabolic channels, 327
Piles and piling formulas, 105–113
allowable load, 105
axial-load capacity, single piles,
112
foundation-stability and, 109–112
groups of piles, 107–109
laterally loaded, 105
shaft resistance, 113
shaft settlement, 112
toe capacity load, 107
Pipe bends, 313
Pipes, flow in, 300
Piping, economical sizing of, 336
Plastic media trickling filter, 375
Plate girders in buildings, 219
Polar moments of inertia, 77
Polymer dilution feed system, sizing
of, 369
Ponding, roof, 228
Prismatic beams, elastic-curve
equations for, 35–38, 74
Pumps and pumping systems,
338–344
capacity, 338
cavitation, 343
characteristic relationships, 342
coefficients, 342
definitions, 339