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 50
... angle DIE , at the intersection of tangents , is equal to the central angle BCE , included between radii to the tan- gent points . 4. If a chord BE connect the tangent points , the angles IBE , IEB , are equal : each of them is equal to ...
... angle DIE , at the intersection of tangents , is equal to the central angle BCE , included between radii to the tan- gent points . 4. If a chord BE connect the tangent points , the angles IBE , IEB , are equal : each of them is equal to ...
Página 64
... angle , corresponding to an angle of 5o 10 ' : the de- flection angle , therefore , is 10 ° 20 ' . The tangential ... central angle by the degree of curvature . The central angle , 34 ° 27 ' , is equivalent to 2067 minutes ; dividing by ...
... angle , corresponding to an angle of 5o 10 ' : the de- flection angle , therefore , is 10 ° 20 ' . The tangential ... central angle by the degree of curvature . The central angle , 34 ° 27 ' , is equivalent to 2067 minutes ; dividing by ...
Página 100
... central angle , CIN , = IEK , of the located terminal branch , b ; and the central angle , BHM , = HEF , to be substituted for it , a . - In the right triangle , EIK , EK EI cos . IEK = ( R − r ) cos . b . - In the right triangle HFE ...
... central angle , CIN , = IEK , of the located terminal branch , b ; and the central angle , BHM , = HEF , to be substituted for it , a . - In the right triangle , EIK , EK EI cos . IEK = ( R − r ) cos . b . - In the right triangle HFE ...
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