Water-power; an outline of the development and application of the energy of flowing water . -ported on round piles and joined to a line of sills for sustaining the planking also rest upon round row of sheet-piling runs along the up-stream and down-stream faces of the spillway and extends beyond the same asfar as is necessary to sustain the bank which joins the spillwayto the high ground on each side of the stream. Reliance forwater-tightness is placed mainhupon the central line of sheet-piling. The upper row is chiefly useful in the process of con-struction, otherwise
Water-power; an outline of the development and application of the energy of flowing water . -ported on round piles and joined to a line of sills for sustaining the planking also rest upon round row of sheet-piling runs along the up-stream and down-stream faces of the spillway and extends beyond the same asfar as is necessary to sustain the bank which joins the spillwayto the high ground on each side of the stream. Reliance forwater-tightness is placed mainhupon the central line of sheet-piling. The upper row is chiefly useful in the process of con-struction, otherwise it might be dispensed with. In any caseit need not be sheet-piling properly so called, but spilino; drivenby hand. For a dam not exceeding 8 feet in height it isprobable that all the sheet-piling shown might be of thatcharacter. The lower row is necessary to protect the interiorof the spillway against the wash of the overflow, as well as toexclude the water of the lower level during 21 shows the sheet-piling spiked to the sill. This is more DAMS OF TIMBER AND EARTH. 4). 50 CONSTRUCTIOX OF DAMS. ^\>^N^>vM^ I I i I I I I I >v^*^h\^S^^^T^. I I I I I I i I II I ~T- II I—1~
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Keywords: ., bookcentury1900, bookdecade1910, booksubjecthydraulicengineering
