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 32
... stake , ascertain thus the slope of the ground surface as well as the cutting at that point ; and with these data , knowing also the formation slope , approximate the point sought by solving the terminal triangle of the pro- posed ...
... stake , ascertain thus the slope of the ground surface as well as the cutting at that point ; and with these data , knowing also the formation slope , approximate the point sought by solving the terminal triangle of the pro- posed ...
Página 68
... stake 11.40 . Let the rear chainman make a note of this , that there may be no mistake in the terminal plus . 6. Next , to determine the proper deflections from the line of tangent at B , bear in mind that the deflection for a whole ...
... stake 11.40 . Let the rear chainman make a note of this , that there may be no mistake in the terminal plus . 6. Next , to determine the proper deflections from the line of tangent at B , bear in mind that the deflection for a whole ...
Página 144
... stake 3 to the scratch ; where the end of that measurement strikes it , is the place for stake 4. By measuring 100 feet out to B on the range 3-4 , and proceeding in like manner , stake 5 may be set ; and so on . 3. If the centre line ...
... stake 3 to the scratch ; where the end of that measurement strikes it , is the place for stake 4. By measuring 100 feet out to B on the range 3-4 , and proceeding in like manner , stake 5 may be set ; and so on . 3. If the centre line ...
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