Water-power; an outline of the development and application of the energy of flowing water . which the masonry derives from the thicker course masonry is a rough granite ashlar with hearting of rubble,all laid in cement Fig. 104. Sweetwater Dam,* Fig. 105, on the river of that name, near San Diego, Cal., has a profile somewhat less than would be indicated by eq. (18), with s = , being 96 feet high. 46 feet thick at bottom, and about 10 feet effective thickness at * Eighteenth Annual Report U. S. Geol. Survey, Part IV. p. 688. 2 2 2 BE SEE VOIR-DA MS. the top. The dam, how
Water-power; an outline of the development and application of the energy of flowing water . which the masonry derives from the thicker course masonry is a rough granite ashlar with hearting of rubble,all laid in cement Fig. 104. Sweetwater Dam,* Fig. 105, on the river of that name, near San Diego, Cal., has a profile somewhat less than would be indicated by eq. (18), with s = , being 96 feet high. 46 feet thick at bottom, and about 10 feet effective thickness at * Eighteenth Annual Report U. S. Geol. Survey, Part IV. p. 688. 2 2 2 BE SEE VOIR-DA MS. the top. The dam, however, has a curved outline at the top,while eq. (i8) contemplates a straight outline. The Folsom Dam ^ on the American River in California isnoteworthy for two things: (i) as being the only straight highmasonry dam in the Pacific States; (2) as being the only exist-ing application of a movable shutter to a water-power has a wasteway 180 feet wide, closed by a movable shuttei EXTREME HIGH WATER 6 feet high, operated by hydraulic jacks. This shutter isopened during floods, and remains closed at other Fig. 106J is a section of the Quaker Bridge Dam now underconstruction for the water-supph of New York, believed to bet
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Keywords: ., bookcentury1900, bookdecade1910, booksubjecthydraulicengineering
