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 Engineer |
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Página 37
Ordinate S = 0.75 X 0.55 = 0.41 . Ordinate f = 0.75 X 0.89 = 0.67 . ... each 200 feet , or 2 stations , divided into 50 feet spaces , the points of division corresponding therefore to ordinates 3 , 6 , and 9 of the preceding diagram .
Ordinate S = 0.75 X 0.55 = 0.41 . Ordinate f = 0.75 X 0.89 = 0.67 . ... each 200 feet , or 2 stations , divided into 50 feet spaces , the points of division corresponding therefore to ordinates 3 , 6 , and 9 of the preceding diagram .
Página 59
R = 819 , C = 100 ; to find the middle ordinate , M. M = 819 - V670761 — 2500 = 1.53 . 2. Angle HAN = + HGB ; HGB = AGB , .. HAN = AGB . IN = AN X lan . HAN ; i.e. , M & C X tan . 4 D ; D being the central angle subtended by the chord .
R = 819 , C = 100 ; to find the middle ordinate , M. M = 819 - V670761 — 2500 = 1.53 . 2. Angle HAN = + HGB ; HGB = AGB , .. HAN = AGB . IN = AN X lan . HAN ; i.e. , M & C X tan . 4 D ; D being the central angle subtended by the chord .
Página 60
ORDINATES OF A 1o CURVE , CHORD 100 FEET . DISTANCES OF THE ORDINATES FROM THE END OF THE 100 ... What is the ordinate of a 6o curve , 30 feet from the end of the 100 - feet chord ? The corresponding tabular ordinate of a 1o curve is ...
ORDINATES OF A 1o CURVE , CHORD 100 FEET . DISTANCES OF THE ORDINATES FROM THE END OF THE 100 ... What is the ordinate of a 6o curve , 30 feet from the end of the 100 - feet chord ? The corresponding tabular ordinate of a 1o curve is ...
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Contenido
LOGARITHMS | 3 |
PLANE TRIGONOMETRY | 11 |
ADJUSTMENT AND USE OF INSTRUMENTS | 23 |
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The Field Engineer, a Handy Book of Practice in the Survey, Location, and ... William Findlay Shunk Sin vista previa disponible - 2017 |
The Field Engineer: A Handy Book of Practice in the Survey, Location, and ... William Findlay Shunk Sin vista previa disponible - 2018 |
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4º curve added adjustment angle base called central angle centre chord circle cloth column connecting corresponding Cosine Cotang Cubes decimals deflection degree of curvature determine difference direct distance divided Draw elevation engineer equal equivalent error Example feet feet long field figure fixed follows frog gauge given gives grade ground half Hence Illustrated inches length logarithm mark means measure method middle minutes Move multiplied natural necessary Note observation opposite ordinate parallel practice quotient radii radius rail range Roots rule screws side Sine slope Square stake straight stretch Suppose switch-rail Table Table XVI Tang tangent telescope terminal tion track transit triangle turn vernier vertical whole
Información bibliográfica
| Título | 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 Engineer |
| Autor | William Findlay Shunk |
| Edición | 2 |
| Editor | D. Van Nostrand, 1882 |
| Procedencia del original | Universidad de California |
| Digitalizado | 7 Dic. 2007 |
| Largo | 325 páginas |
| Exportar cita | BiBTeX EndNote RefMan |