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 |
Dentro del libro
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Página xii
... degree of curvature or deflection angle D , with 100 - feet chords , to determine the length of the long chord C , the versed sine V , the external secant S , or the tangent T Given C , V , S , or T , of any curve , and D , the degree ...
... degree of curvature or deflection angle D , with 100 - feet chords , to determine the length of the long chord C , the versed sine V , the external secant S , or the tangent T Given C , V , S , or T , of any curve , and D , the degree ...
Página 28
... degree on the level ; as , for example , in run- ning grade lines on ... CURVATURE AND REFRAC- TION . The correction for a 100 - feet " station " is ... curvature and refrac- tion.
... degree on the level ; as , for example , in run- ning grade lines on ... CURVATURE AND REFRAC- TION . The correction for a 100 - feet " station " is ... curvature and refrac- tion.
Página 51
... degree curve , for the reason that one chain is equivalent to an arc of one ... degrees at the centre . Such an arc is called a two - degree curve . If one ... curvature , or central angle per 100 feet chord , varies . XVIII . TO FIND ...
... degree curve , for the reason that one chain is equivalent to an arc of one ... degrees at the centre . Such an arc is called a two - degree curve . If one ... curvature , or central angle per 100 feet chord , varies . XVIII . TO FIND ...
Página 53
... degree of curvature in degrees and decimals . The radius corresponding to this degree of curvature may be found by ( 12 ) , by Table X. , or , with sufficient accuracy for ordinary practice , by dividing 5,730 , the radius of a 1 ...
... degree of curvature in degrees and decimals . The radius corresponding to this degree of curvature may be found by ( 12 ) , by Table X. , or , with sufficient accuracy for ordinary practice , by dividing 5,730 , the radius of a 1 ...
Página 54
... degree of curvature in degrees and deci- mals . Determine the corresponding radius by ( 17 ) , by Table X. , or ... degree of curvature , and 5,730 divided by 3 makes the radius R = 1,910 feet . 10. GIVEN THE INTERSECTION ANGLE I AND THE ...
... degree of curvature in degrees and deci- mals . Determine the corresponding radius by ( 17 ) , by Table X. , or ... degree of curvature , and 5,730 divided by 3 makes the radius R = 1,910 feet . 10. GIVEN THE INTERSECTION ANGLE I AND THE ...
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