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
Resultados 1-3 de 26
Página 64
... multiplied by the sine of half the tangential angle , 132 X 0.04507 = 5.95 feet . The deflec- tion distance ( XVIII . , 19 ) is equal to twice the chord multi- plied by the sine of half the deflection angle , - 11.88 , say 11.9 feet ...
... multiplied by the sine of half the tangential angle , 132 X 0.04507 = 5.95 feet . The deflec- tion distance ( XVIII . , 19 ) is equal to twice the chord multi- plied by the sine of half the deflection angle , - 11.88 , say 11.9 feet ...
Página 132
... Multiply the length of switch - rail in feet by the number of the frog , and set down the product . Multiply that ... Multiplied by • . Length of switch - rail- • Added to frog No. 9 · · 20 20 9 180 1,530 = = A. 20 3.6 = = A divided ...
... Multiply the length of switch - rail in feet by the number of the frog , and set down the product . Multiply that ... Multiplied by • . Length of switch - rail- • Added to frog No. 9 · · 20 20 9 180 1,530 = = A. 20 3.6 = = A divided ...
Página 141
... multiplied by 9 , the number of the frog , gives 16.2 feet for the distance D E. The proper spring will be given to ... multiply the square of the quotient by the degree of curve . The product is the elevation in sixteenths of an inch ...
... multiplied by 9 , the number of the frog , gives 16.2 feet for the distance D E. The proper spring will be given to ... multiply the square of the quotient by the degree of curve . The product is the elevation in sixteenths of an inch ...
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