Explanation Given: X = 243 , 605 , 596 m Y = 25 , 393 , 201 m Calculation: Closed polygon of traverse is shown in figure below, To calculate unadjusted departure of course A B by using formula, D A B = L A B sin α A B D A B = 223.011 sin ( 147 ∘ 36 ' 25 " ) D A B = 119.4724 m To calculate unadjusted latitude of course A B by using formula, L a A B = L A B cos α A B L a A B = 223.011 cos ( 147 ∘ 36 ' 25 " ) L a A B = − 188.3089 m Similarly calculate unadjusted latitude for the remaining courses. Calculate the correction in the departure for course A B by using formula, C o r r e c t i o n D A B = − T o t a l d e p a r t u r e m i s c l o s u r e T r a v e r s e p e r i m e t e r L A B C o r r e c t i o n D A B = − ( − 0.0245 ) 1 , 011.171 223.011 C o r r e c t i o n D A B = 0.0054 m Similarly calculate the correction in the departure for the remaining courses. Calculate the corrected departure for course A B by using formula, C o r r e c t e d D A B = D A B + C o r r e c t i o n D A B C o r r e c t e d D A B = 119.4724 + 0.0054 C o r r e c t e d D A B = 119.4778 m Similarly calculate the corrected departure for the remaining courses. Calculate the correction in the latitude for course A B by using formula, C o r r e c t i o n La A B = − T o t a l l a t i t u d e m i s c l o s u r e T r a v e r s e p e r i m e t e r L A B C o r r e c t i o n La A B = − ( 0.0272 ) 1 , 011.171 223.011 C o r r e c t i o n La A B = − 0.0060 m Similarly calculate the correction in the latitude for the remaining courses. Calculate the corrected latitude for course A B by using formula, C o r r e c t e d La A B = La A B + C o r r e c t i o n La A B C o r r e c t e d La A B = − 188.3089 − 0.0060 C o r r e c t e d La A B = − 188.3149 m Similarly calculate the corrected latitude for the remaining courses. Calculate the X coordinate for course B C by using formula, X B C = X A B + C o r r e c t i o n D A B X B C = 243 , 605.596 + 119.4778 X B C = 243 , 725.074 m Similarly calculate the X coordinate for the remaining courses. Calculate the Y coordinate for course B C by using formula, Y B C = Y A B + C o r r e c t i o n La A B Y B C = 25 , 393

The length and azimuth of line AC.

Elementary Surveying: An Introduction To Geomatics (15th Edition)

15th Edition

ISBN: 9780134604657

Author: Charles D. Ghilani

Publisher: PEARSON

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Coordinate Geometry of Survey

Coordinate geometry (COGO) is a method of inserting surveying or engineering data into geographic information system (GIS), computer-aided design (CAD), or mapping software. These data can be collected on the proposed construction site using standard sur…

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Chapter 10, Problem 10.14P

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The length and azimuth of line AC.

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P.3.3 Oil of sp.gr. 0.9 flows through a vertical pipe (upwards). Two points A and B one above the other 40 cm apart in a pipe are connected by a U-tube carrying mercury. If the difference of pressure between A and B is 0.2 kg/cm², 1- Find the reading of the manometer. 2- If the oil flows through a horizontal pipe, find the reading in manometer for the same difference in pressure between A and B. Ans. 1- R= 0.12913 m, 2- R = 0.1575 m,

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