Upper stadia hair reading = 1.745m Rod reading = 1.495m Lower stadia hair reading = 1.245m Stadia constant = 0.381m Stadia interval factor = 95.5m Observed vertical angle = -15 30’ Height of instrument above occupied station = 1.495m Elevation of turning point = 463.24m Determine the elevation of the instrument station using values taken from stadia reduction tables.
Upper stadia hair reading = 1.745m Rod reading = 1.495m Lower stadia hair reading = 1.245m Stadia constant = 0.381m Stadia interval factor = 95.5m Observed vertical angle = -15 30’ Height of instrument above occupied station = 1.495m Elevation of turning point = 463.24m Determine the elevation of the instrument station using values taken from stadia reduction tables.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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- use of stadia reduction tables. From an instrument station a backsight was made on a turning point and the following data were obtained:
Upper stadia hair reading = 1.745m
Rod reading = 1.495m
Lower stadia hair reading = 1.245m
Stadia constant = 0.381m
Stadia interval factor = 95.5m
Observed vertical angle = -15 30’
Height of instrument above occupied station = 1.495m
Elevation of turning point = 463.24m
Determine the elevation of the instrument station using values taken from stadia reduction tables.
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