CIVIL ENGINEERING FORMULAS

382 CHAPTER THIRTEEN Infiltration is usually expressed in gallons per day per mile of sewer. With very careful construction, inf ...

STORMWATER, WASTEWATER, AND ENVIRONMENTAL PROTECTION 383 DESIGN OF AN AERATED GRIT CHAMBER Grit removal in a wastewater treatmen ...

384 CHAPTER THIRTEEN Length of grit chamber (ft) (volume)/[(width, ft) (depth, ft)] (13.86) Length-width ratios range from 3:1 ...

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387 Activated sludge reactor, design of, 364 Adjustment factors for lumber, 169 Aerated grit chamber, design of, 383 Aerobic dig ...

388 INDEX Bridge and suspension-cable formulas (Cont.): bearing on milled surfaces, 258 bridge fasteners, 258 cable systems, 272 ...

INDEX 389 Cable systems, 272–273 California bearing ratio, 195 Cantilever retaining walls, 153–155 Centrifugal pumps, 342–343 Ch ...

390 INDEX Conversion table, typical, 2 Crack control, 128 Culverts, highway, designing, 285–290 Darcy–Weisbach formula, 302 Desi ...

INDEX 391 Hydraulic and waterworks formulas, 291–359 capillary action, 291 computing rainfall intensity, 333 culverts, 315 entra ...

392 INDEX Langefors’ formula, 201 Laterally loaded vertical piles, 105–107 Load-and-resistance factor design, 207 for bridge bea ...

INDEX 393 Pumps and pumping systems (Cont.): efficiency and power input, 341 friction head, 340 head, 338 static discharge head, ...

394 INDEX Soils and earthwork formulas (Cont.): forces on retaining walls, 189 index parameters, 186 internal friction and cohes ...

INDEX 395 Venturi meter flow computations, 336 Vertical control in surveying, 182 Vibration, natural circular and periods of, 74 ...