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 54
If 100 - feet chords be used , find in Table XVI . the chord corresponding to the given angle I. Divide that chord by the given chord , for the degree of curvature in degrees and decimals . Determine the corresponding radius by ( 17 ) ...
If 100 - feet chords be used , find in Table XVI . the chord corresponding to the given angle I. Divide that chord by the given chord , for the degree of curvature in degrees and decimals . Determine the corresponding radius by ( 17 ) ...
Página 55
Given T = 515 , D = 5 ° ; to find I. Then T X D = 2,575 , which corresponds in Table XVI . to 48 ° 24 ' = 1 . Example 2 . Given C = 1,656 , D = 3 ° ; to find I. Then C X D = 4,968 , which corresponds in Table XVI . to 51 ° 23 ' = I. 12.
Given T = 515 , D = 5 ° ; to find I. Then T X D = 2,575 , which corresponds in Table XVI . to 48 ° 24 ' = 1 . Example 2 . Given C = 1,656 , D = 3 ° ; to find I. Then C X D = 4,968 , which corresponds in Table XVI . to 51 ° 23 ' = I. 12.
Página 95
By Table XVI . , the chord of 18 ° on a 1o curve is 1,792.7 feet . That of a 4o curve is therefore 448.2 feet , half of which 224.1 , = AD . The versin . of 18 ° on a 1o curve , by the same table , is 70.54 feet ; one - fourth of which ...
By Table XVI . , the chord of 18 ° on a 1o curve is 1,792.7 feet . That of a 4o curve is therefore 448.2 feet , half of which 224.1 , = AD . The versin . of 18 ° on a 1o curve , by the same table , is 70.54 feet ; one - fourth of which ...
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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 |
Términos y frases comunes
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 |