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 xiv
... gent connecting two curves 108 XXXVII . To run a tangent to two curves already located . 109 TRACK PROBLEMS . XXXVIII . Reversed curves XXXIX . To connect two parallel tangents by a reversed curve having equal radii · XL . To connect ...
... gent connecting two curves 108 XXXVII . To run a tangent to two curves already located . 109 TRACK PROBLEMS . XXXVIII . Reversed curves XXXIX . To connect two parallel tangents by a reversed curve having equal radii · XL . To connect ...
Página 15
... gent of the angle opposite to the latter . 2. In any plane triangle , as one of the sides is to another , so is the sine of the angle opposite to the former to the sine of the angle opposite to the latter . 3. In any plane triangle , as ...
... gent of the angle opposite to the latter . 2. In any plane triangle , as one of the sides is to another , so is the sine of the angle opposite to the former to the sine of the angle opposite to the latter . 3. In any plane triangle , as ...
Página 50
... gent points . 4. If a chord BE connect the tangent points , the angles IBE , IEB , are equal : each of them is equal to half of the central angle BCE , or of the intersection angle DIE . 5. Any angle , BCE , at the centre , subtended by ...
... gent points . 4. If a chord BE connect the tangent points , the angles IBE , IEB , are equal : each of them is equal to half of the central angle BCE , or of the intersection angle DIE . 5. Any angle , BCE , at the centre , subtended by ...
Página 52
... gent points , be called C , Call the deflection angle to a 2. By XVI . 3 and 4 , angle E AB = EBA = AGE = EGB = 1 . = 3. GIVEN THE INTERSECTION ANGLE I AND RADIUS R , TO FIND THE TANGENT T. T = RX tan . I. R = 1,910.1 , I = 35 ° 24 ...
... gent points , be called C , Call the deflection angle to a 2. By XVI . 3 and 4 , angle E AB = EBA = AGE = EGB = 1 . = 3. GIVEN THE INTERSECTION ANGLE I AND RADIUS R , TO FIND THE TANGENT T. T = RX tan . I. R = 1,910.1 , I = 35 ° 24 ...
Página 53
... 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 ′ = 1,828.7 , which , divided by 3 , the degree of curvature , gives 609.6 , the ...
... 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 ′ = 1,828.7 , which , divided by 3 , the degree of curvature , gives 609.6 , 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