Sewerage: The Designing, Construction, and Maintenance of Sewerage SystemsJ. Wiley, 1901 - 459 páginas |
Dentro del libro
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Página v
... of Storm - water .... 44 17. Rates of Rainfall ... 44 18. Run - off Data ... 47 19. Formulas for Storm - water Run - off 52 20. Expediency of Providing for Excessive Storms .... 56 ART . CHAPTER IV . FLOW IN Sewers . 21.
... of Storm - water .... 44 17. Rates of Rainfall ... 44 18. Run - off Data ... 47 19. Formulas for Storm - water Run - off 52 20. Expediency of Providing for Excessive Storms .... 56 ART . CHAPTER IV . FLOW IN Sewers . 21.
Página 45
... formula of maximum rates of rain- fall in the eastern part of the country , r = 105 t + 15 ' which agrees quite closely with Plate IV S. Atlantic States up to 30 minutes , but gives too small values for longer periods . The records seem ...
... formula of maximum rates of rain- fall in the eastern part of the country , r = 105 t + 15 ' which agrees quite closely with Plate IV S. Atlantic States up to 30 minutes , but gives too small values for longer periods . The records seem ...
Página 52
... FORMULAS FOR STORM - WATER RUN - OFF . Many attempts have been made to construct a simple general formula for obtaining the run - off from any area . The best known of these are as follows : Craig : Dredge : Dickens : Fanning : D ...
... FORMULAS FOR STORM - WATER RUN - OFF . Many attempts have been made to construct a simple general formula for obtaining the run - off from any area . The best known of these are as follows : Craig : Dredge : Dickens : Fanning : D ...
Página 54
... formulas of Craig , Dredge , Dickens , and Fanning apply to natural surfaces and have the shape and extent of the drainage - area as the only variables . The Bürkli - Ziegler , Kirkwood , and McMath formulas take into account also the ...
... formulas of Craig , Dredge , Dickens , and Fanning apply to natural surfaces and have the shape and extent of the drainage - area as the only variables . The Bürkli - Ziegler , Kirkwood , and McMath formulas take into account also the ...
Página 55
... formula is to calculate by it from known data quantities which are also known . Many such tests of all these formulas have been made , and it has been found that there are few , if any , cases in which all will give results practically ...
... formula is to calculate by it from known data quantities which are also known . Many such tests of all these formulas have been made , and it has been found that there are few , if any , cases in which all will give results practically ...
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Términos y frases comunes
acre ammonia amount of sewage average back-filling bacteria bottom braces brick sewers brick-work capacity capita catch-basins cement centre chlorine cleaned combined sewers concrete connection construction contractor cost cubic feet danger deposits depth diameter dilution discharge drain driven effluent engineer excavation feet per second filter flowing full flush-tank flushing foot formula gallons given grade ground-water house-connections house-sewage house-sewers inches increase inlets invert inverted siphon iron joints laid least length less lime manhole masonry material maximum method minutes mortar necessary nitrates nitrogen obtained ordinarily organic matter outlet oxidation oxygen pipe sewers placed plank plumb-bob possible probably pump quantity quicksand rainfall removed run-off sand septic tank sewage flow sewer-pipe sewerage sheathing side siphon sludge soil stone storm storm-sewers storm-water stream street sub-drain sufficient surface tank templet tion trench usually velocity ventilation vertical vitrified clay pipe wetted perimeter
Pasajes populares
Página 225 - ... due notice thereof in writing, served personally upon or left 23 at the shop, office, or usual place of abode, or with the agent of the said 24 party of the second part, and the said party of the second part...
Página 224 - Boston, for or on account of any injuries or damages received or sustained by any party or parties, by or from the said Contractor, his servants or agents...