The Designing and Construction of Storage ResevoirsVan Nostrand, 1873 - 95페이지 |
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amount applied ascertain bank bankment Brevet Bridges calculation carried catchment basin centre chalk cistern climate of India cloth considerable Corps cubic foot culvert depth designed discharge districts drainage area earth earthwork embankment engravings escape evaporation example excess extent favorable float flood flow gathering grounds gauged geological height horizontal Hypsometry India inspec Iron irrigation laid layers Madras Presidency material ment miles Naval necessary NOSTRAND'S PUBLICATIONS numerous outlet pipe Oxford clay plane Practical pressure of water principles puddle wall quantity Railway rain rainfall regard reser reservoir resist the pressure result revised and enlarged rule Second edition servoir shown in Fig side slope springs square miles Steam Engine Steel STORAGE RESERVOIRS strata streams struction sufficient supply surface syphon Tables taken Telegraphy thickness tion Treatise U. S. Army U. S. Navy valley valve vertical voir waste pit waste weir water-shed Waterworks WEST POINT whole
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47 페이지 - ... ascertain what power it exercises to resist the pressure of water. The pressure of water upon any plane surface immersed is known to be equal to the area of that surface, multiplied by the depth of its centre of gravity below the level of the water and by the weight of a unit of water. Generally speaking, the unit adopted in calculations is a foot; and the unit of water being taken at a cubic foot, weighing 62.5 Ibs., the resulting product from the multiplication of the three quantities will...