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 |
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Página 136
... outer rail . 144.2 Mid . frog dist . 17.29 Mid . frog angle . 19 ° 44 / Main frog dist . Rad . outer rail . Mid . frog dist . Mid . frog angle . 31.0 34.4 37.7 41.2 44.2 47.1 50.3 53.0 56.2 139.6 177.3 219.3 270.3 318.6 371.2 438.3 ...
... outer rail . 144.2 Mid . frog dist . 17.29 Mid . frog angle . 19 ° 44 / Main frog dist . Rad . outer rail . Mid . frog dist . Mid . frog angle . 31.0 34.4 37.7 41.2 44.2 47.1 50.3 53.0 56.2 139.6 177.3 219.3 270.3 318.6 371.2 438.3 ...
Página 141
... OUTER RAIL ON CURVES . 1. Great precision in this adjustment is unattainable , owing to differences in the speed of trains and to the cost of track- maintenance , if it were attempted . The annexed table will be found convenient in ...
... OUTER RAIL ON CURVES . 1. Great precision in this adjustment is unattainable , owing to differences in the speed of trains and to the cost of track- maintenance , if it were attempted . The annexed table will be found convenient in ...
Página 142
... outer rail ; and the distance , e , from the middle of the tape to the gauge side of the rail , will be the proper ... OUTER RAIL ON CURVES . 10 SPEED IN MILES PER HOUR . 20 30 40 DEGREE OF CURVE . ELEVATION OF OUTER RAIL IN INCHES AND ...
... outer rail ; and the distance , e , from the middle of the tape to the gauge side of the rail , will be the proper ... OUTER RAIL ON CURVES . 10 SPEED IN MILES PER HOUR . 20 30 40 DEGREE OF CURVE . ELEVATION OF OUTER RAIL IN INCHES AND ...
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