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 30
... ground surface . Formation slopes are usually stated in parts horizontal to one part vertical . Thus a slope of 45 ° is " 1 to 1. " A slope of " 2 to 1 " has a horizontal reach of two feet to each foot vertical . The carriages of a ...
... ground surface . Formation slopes are usually stated in parts horizontal to one part vertical . Thus a slope of 45 ° is " 1 to 1. " A slope of " 2 to 1 " has a horizontal reach of two feet to each foot vertical . The carriages of a ...
Página 32
... 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 section , indicated by dotted lines in 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 section , indicated by dotted lines in the ...
Página 66
... GROUND WITH TRANSIT AND 100 - FEET CHAJN . 1. This , also , is best taught by an example . Let it be a general rule , in locating , to fix the intersection of tangents , and to set the tangent points , or the P. C. at least , from the ...
... GROUND WITH TRANSIT AND 100 - FEET CHAJN . 1. This , also , is best taught by an example . Let it be a general rule , in locating , to fix the intersection of tangents , and to set the tangent points , or the P. C. at least , from the ...
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