The Field Engineer: A Handy Book of Practice in the Survey, Location, and Trackwork of Railroads; Containing ... Rules and Tables ... Applicable to ... the Standard and the Narrow Gauge ...D. van Nostrand, 1880 - 318 páginas |
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Página xii
... Tables ... Applicable to ... the Standard and the Narrow Gauge ... William Findlay Shunk. XII . Setting slope stakes XIII . Vertical curves XIV ... XVI . Propositions relating to the circle XVII . Circular curves on ... TABLE OF CONTENTS .
... Tables ... Applicable to ... the Standard and the Narrow Gauge ... William Findlay Shunk. XII . Setting slope stakes XIII . Vertical curves XIV ... XVI . Propositions relating to the circle XVII . Circular curves on ... TABLE OF CONTENTS .
Página xv
... Table for same · · LI . Trackmen's table of curves and spring of rails ... XVI . Slopes for topography · XVII . Rise per mile of various grades • 149 ... TABLE OF CONTENTS . XV.
... Table for same · · LI . Trackmen's table of curves and spring of rails ... XVI . Slopes for topography · XVII . Rise per mile of various grades • 149 ... TABLE OF CONTENTS . XV.
Página 53
... Table XVI . corresponding to the given angle I. Divide that tabular tan- gent by the degree of curvature corresponding to the given radius : the quotient will be the required tangent . Thus , Tab . Tan . corresponding to 35 ° 24 ...
... Table XVI . corresponding to the given angle I. Divide that tabular tan- gent by the degree of curvature corresponding to the given radius : the quotient will be the required tangent . Thus , Tab . Tan . corresponding to 35 ° 24 ...
Página 54
... Table XVI . , the number corresponding to the intersection angle , and divide it by the degree of curvature : the quotient will be the length required . Example . A 4 ° curve , I = 50 ° 16 ' ; to find the several functions above named .
... Table XVI . , the number corresponding to the intersection angle , and divide it by the degree of curvature : the quotient will be the length required . Example . A 4 ° curve , I = 50 ° 16 ' ; to find the several functions above named .
Página 55
... Table XVI . , corresponding to the required angle . Example 1 . Given T = 515 , D = 5 ° ; to find I. Then T × D = 2,575 , which corresponds in Table XVI . to 48 ° 24 ' = I. Example 2 . Given C = 1,656 , D = 3 ° ; to find I. Then CX D ...
... Table XVI . , corresponding to the required angle . Example 1 . Given T = 515 , D = 5 ° ; to find I. Then T × D = 2,575 , which corresponds in Table XVI . to 48 ° 24 ' = I. Example 2 . Given C = 1,656 , D = 3 ° ; to find I. Then CX D ...
Otras ediciones - Ver todas
The Field Engineer: A Handy Book of Practice in the Survey, Location and ... William F. Shunk Sin vista previa disponible - 2008 |
The Field Engineer: A Handy Book of Practice in the Survey, Location, and ... William Findlay Shunk Sin vista previa disponible - 2017 |
Términos y frases comunes
100 feet long 100-feet chords adjustment apex distance called central angle column Cosine 1 Sine Cotang cross-hair Cube Roots decimals deflection distance degree of curvature DEGREE OF CURVE Diff divided elevation engineer equal Example feet figure fixed foregoing frog angle Full Gauge gauge of track gauge side gent ground index angle instrument intersection angle length of switch-rail located logarithm M.
M. I Sine Main frog dist mantissa mark measure method middle frog middle ordinate middle point minutes Multiply observation outer rail parallel perpendicular quotient radii radius range Reciprocals REVERSED CURVE right triangle screws slope Square Roots standard gauge straight line 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 vertical ΙΟ ΤΑΝ
Pasajes populares
Página 18 - ... the square of the hypothenuse is equal to the sum of the squares of the other two sides.
Página 4 - The logarithm of any power of a number is equal to the logarithm of the number multiplied by the exponent of the power.
Página 11 - ... is supposed to be divided into 60 equal parts, called minutes; and each minute into 60 equal parts, called seconds. Degrees, minutes, and seconds, are designated respectively, by the characters ° ' ". For example, ten degrees, eighteen minutes, and fourteen seconds, would be written 10° 18
Página 4 - The logarithm of the product of two numbers is equal to the sum of the logarithms of the numbers. log» MN = log» M + log