A line of three-wire differential levels goes from benchmark Gloriato benchmark Carey. The length of the line was determined to be2199 m. The instrument had a stated compensator accuracy of +0.3".The instrument-rod combination had an estimated reading error of +1mm/km. The instrument is found to have an inclined collimation errorof 1.0 mm/km, so the sight distances were kept to approximately 50 ±5 m. If the difference in elevation observed is 15.601 m, what is theestimated error in the final elevation difference?

Compensator accuracy = ±0.3 '' Length of line = 2199 m Reading error = ± 1 mm/km Inclined…

A line of three-wire differential levels goes from benchmark Gloria o benchmark Carey. The length of the line was determined to be 199 m. The instrument had a stated compensator accuracy of +0.3". The instrument-rod combination had an estimated reading error of ±1 nm/km. The instrument is found to have an inclined collimation error of 1.0 mm/km, so the sight distances were kept to approximately 50 ± 5 m. If the difference in elevation observed is 15.601 m, what is the stimated error in the final elevation difference?

A line of three-wire differential levels goes from benchmark Gloria o benchmark Carey. The length of the line was determined to be 199 m. The instrument had a stated compensator accuracy of +0.3". The instrument-rod combination had an estimated reading error of ±1 nm/km. The instrument is found to have an inclined collimation error of 1.0 mm/km, so the sight distances were kept to approximately 50 ± 5 m. If the difference in elevation observed is 15.601 m, what is the stimated error in the final elevation difference?

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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What will be the corrected staff reading at a point A if the staff reading taken from an instrument setup at a distance of 2 km from point A is 3.5 m?
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If a certain EDM instrument has an accuracy capability of ±( 12 mm + 2 ppm2), what is the precision of measurements, in terms of parts per million, for line lengthsof: (a) 20.000 m, (b) 200.000 m, (c) 2000.000 m? (Assume that the instrument andtarget miscentering errors are equal to zero.)
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