A New Method of Calculating the Cubic Contents of Excavations and Embankments, by the Aid of Diagrams: Together with Direction for Estimating the Cost of EarthworkW. Hamilton, 1869 - 60 pagina's |
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A New Method of Calculating the Cubic Contents of Excavations and ... John Cresson Trautwine Volledige weergave - 1869 |
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$1 per day 100 FEET LENGTH 28 feet wide angles ARTICLE average barrow centre line centre-depth column common loam continuation to 170 COST PER CUBIC Cubic Area cubic contents Cubic sq cubic yards corresponding curved line Depth in ft diagram divided emptying ends equivalent level cutting EXCAVATIONS AND EMBANKMENTS EXCLUSIVE OF PROFIT foot Franklin Institute frustum FT For Excavation ground hard rock horizontal distances inches inclined line labor Length of lead lengths of 100 light sandy soil loads loosening measured in place method multiply number of 100-feet number of cubic parallel ruler parallel sides perpendicular Plate prism profit to contractor removed per day Roadway 18 Roadway 28 feet ruled paper shovellers Side Slopes SIDE-SLOPES 1to1 side-stake Sine square feet TABLE 17.-CUBIC YARDS TABLE TABLE TABLE tance TOTAL COST transverse ground-slopes width of roadway yard in place YARDS IN 100 yds.cu
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Pagina 1 - Method of Calculating the Cubic Contents of Excavations and Embankments by the Aid of Diagrams 8vo, 2 00 Webb's Economics of Railroad Construction Large 12mo, 2 50 Railroad Construction 16mo, mor.
Pagina 19 - ... divided by 27, the number of cubic feet in a cubic yard, or 18.632-^ cubic yards. If this canal be required to be enlarged to the dimensions recommended for the Chesapeake and Ohio canal by the United States...
Pagina 50 - ... miles per hour, or 200 feet per minute, which is equal to 100 feet of trip each way, or to 100 feet of lead, as the distance to which the earth is hauled is technically called. Besides this, there is a loss of four minutes in every trip, whether long or short, in waiting to load, dumping, turning, etc. Hence every trip will occupy as many minutes as there are lengths of 100 feet each in the lead, and four minutes besides ; therefore, to find the number of trips per day over any average lead,...
Pagina 58 - GO cts., depending on the position of the strata, hardness, toughness, water, and other considerations. Soft shales and other allied rocks may frequently be loosened by pick and plough as low as 15 to 20 cts., while on the other hand shallow cuttings of very tough rock with an unfavorable position...