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 53
... curvature in degrees and decimals . The radius corresponding to this degree of curvature may be found by ( 12 ) , by Table X. , or , with sufficient accuracy for ordinary practice , by dividing 5,730 , the radius of a 1 ° curve , by it ...
... curvature in degrees and decimals . The radius corresponding to this degree of curvature may be found by ( 12 ) , by Table X. , or , with sufficient accuracy for ordinary practice , by dividing 5,730 , the radius of a 1 ° curve , by it ...
Página 54
... curvature , and 5,730 divided by 3 makes the radius R = 1,910 feet . 10. GIVEN THE INTERSECTION ANGLE I AND THE DEGREE OF CURVATURE OR DEFLECTION ANGLE D , WITH 100 - FEET CHORDS , TO DETERMINE THE LENGTH OF THE LONG CHORD C , THE ...
... curvature , and 5,730 divided by 3 makes the radius R = 1,910 feet . 10. GIVEN THE INTERSECTION ANGLE I AND THE DEGREE OF CURVATURE OR DEFLECTION ANGLE D , WITH 100 - FEET CHORDS , TO DETERMINE THE LENGTH OF THE LONG CHORD C , THE ...
Página 55
... CURVATURE , TO FIND THE INTERSECTION ANGLE , I. Multiply the given function C , V , S , or T , by the degree of curvature , D : the product will be found in the proper col- umn of Table XVI . , corresponding to the required angle ...
... CURVATURE , TO FIND THE INTERSECTION ANGLE , I. Multiply the given function C , V , S , or T , by the degree of curvature , D : the product will be found in the proper col- umn of Table XVI . , corresponding to the required angle ...
Contenido
Definitions and principles | 3 |
Definitions | 11 |
ADJUSTMENT AND USE OF INSTRUMENTS | 21 |
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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