1)A traverse line is being measured by theodolite and subtense bar.At one station, the theodolite's horizontal axis is 1.54m above the ground mark and the angle subtended by a 2-m subtense bar placed at the next station is 4025". The subtense bar is 1.25m above the ground mark, and the vertical angle measured to it by the theodolite is (+)13°28.Determine: a)the horizontal distance from the theodolite at A to the subtense bar at B b)the vertical distance from the horizontal axis of the theodolite to the center of the bar c)the difference in elevation between the two ground stations

1)A traverse line is being measured by theodolite and subtense bar.At one station, the theodolite's horizontal axis is 1.54m above the ground mark and the angle subtended by a 2-m subtense bar placed at the next station is 4025". The subtense bar is 1.25m above the ground mark, and the vertical angle measured to it by the theodolite is (+)13°28.Determine: a)the horizontal distance from the theodolite at A to the subtense bar at B b)the vertical distance from the horizontal axis of the theodolite to the center of the bar c)the difference in elevation between the two ground stations

Fundamentals of Geotechnical Engineering (MindTap Course List)

5th Edition

ISBN:9781305635180

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter19: Drilled Shaft

Section: Chapter Questions

Problem 19.10P

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Traverse Survey

Traverse surveying is a popular method of surveying. Traversing is that type of survey where several connected survey lines form a framework and the directions and lengths of the survey lines are measured with the help of a tool to measure angles and tape or chain respectively. Traverse networks involve placing survey stations in a queue or trail and using pre-tested points as a basis for looking at the next point. This type of surveying is different from Tacheometric surveying, where only angles are measured and the process of chaining is reduced.

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