The Field Engineer: A Handy Book of Practice in the Survey, Location, and Track-work of Railroads : Containing a Large Collection of Rules and Tables, Original and Selected, Applicable to Both the Standard and the Narrow Gauge, and Prepared with Special Reference to the Wants of the Young EngineerVan Nostrand, 1882 - 6 páginas |
Dentro del libro
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Página 30
... slope of given inclination , beginning at the side of the road - bed , must needs intersect the ground surface . Formation slopes are usually stated in parts horizontal to one part vertical . Thus a slope of 45 ° is " 1 to 1. " A slope ...
... slope of given inclination , beginning at the side of the road - bed , must needs intersect the ground surface . Formation slopes are usually stated in parts horizontal to one part vertical . Thus a slope of 45 ° is " 1 to 1. " A slope ...
Página 32
... slope must meet the ground . 9. Suppose him , by either method , or even by random guess , to think that 10 feet for half the road - bed , and 10 more for the slope , looks about right . The formation slope being 1 to 1 , this implies a ...
... slope must meet the ground . 9. Suppose him , by either method , or even by random guess , to think that 10 feet for half the road - bed , and 10 more for the slope , looks about right . The formation slope being 1 to 1 , this implies a ...
Página 34
... slopes will meet 30 feet out . Of this distance , 7 feet are due to half the road - bed , and 23 feet to horizontal reach of the embankment slope . The slope being 1 to 1 , or , the hori- zontal reach of 23 feet corresponds to a ...
... slopes will meet 30 feet out . Of this distance , 7 feet are due to half the road - bed , and 23 feet to horizontal reach of the embankment slope . The slope being 1 to 1 , or , the hori- zontal reach of 23 feet corresponds to a ...
Contenido
Definitions and principles | 3 |
Definitions | 11 |
ADJUSTMENT AND USE OF INSTRUMENTS | 21 |
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Otras ediciones - Ver todas
The Field Engineer: A Handy Book of Practice in the Survey, Location, and ... William Findlay Shunk Sin vista previa disponible - 2015 |
The Field Engineer, a Handy Book of Practice in the Survey, Location, and ... William Findlay Shunk Sin vista previa disponible - 2016 |
Términos y frases comunes
100 feet long 100-feet chords called central angle chord 100 feet column cross-hair Cube Roots decimals deflection angle deflection distance degree of curvature degree of curve Diff divided elevation engineer equal Example feet 8 inches figure find the radius fixed foregoing frog angle Full Gauge gauge of track gauge side grade ground Hypsometry index angle instrument intersection angle length of switch-rail located logarithm magnetic bear Main frog dist main track mantissa mark measure method middle frog middle ordinate middle point minutes Multiply outer rail parallel perpendicular quotient radii radius REVERSED CURVE screws Sine 1 Cotang Square Roots stake standard gauge sub-chord subtended Subtract Suppose Table XVI tabular tance Tang tangent A B tangential angle tangential distance telescope terminal tangent tion toe of switch Trigonometry turnout curve vernier versin ΙΟ ΤΑΝ