A reciprocal leveling is observed across a wide river and the reciprocal level readings were taken between points A and B as follows. With instrument set up near A, the rod readings on A are 2.283 and 2.285m. The reciprocal level reading on the opposite side of the river at point B are 3.620, 3.619, 3.623 and 3.625m. With the instrument set up near B, the rod readings on B are 4.479 and 4.477 m. and the rod readings on the opposite side of the river at point A, the rod readings are 3.145, 3.141, 3.146 and 3.144 m. a.) Compute the difference in elevation between A and B with the instrument set up near A. b.) What is the true difference in elevation between A and B. c.) If the elevation at A is 308 m., what is the elevation of B.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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A reciprocal leveling is observed across a wide river and the reciprocal level readings were taken between points
A and B as follows. With instrument set up near A, the rod readings on A are 2.283 and 2.285m. The reciprocal
level reading on the opposite side of the river at point B are 3.620, 3.619, 3.623 and 3.625m. With the instrument
set up near B, the rod readings on B are 4.479 and 4.477 m. and the rod readings on the opposite side of the
river at point A, the rod readings are 3.145, 3.141, 3.146 and 3.144 m.
a.) Compute the difference in elevation between A and B with the instrument set up near A.
b.) What is the true difference in elevation between A and B.
c.) If the elevation at A is 308 m., what is the elevation of B.
Transcribed Image Text:A reciprocal leveling is observed across a wide river and the reciprocal level readings were taken between points A and B as follows. With instrument set up near A, the rod readings on A are 2.283 and 2.285m. The reciprocal level reading on the opposite side of the river at point B are 3.620, 3.619, 3.623 and 3.625m. With the instrument set up near B, the rod readings on B are 4.479 and 4.477 m. and the rod readings on the opposite side of the river at point A, the rod readings are 3.145, 3.141, 3.146 and 3.144 m. a.) Compute the difference in elevation between A and B with the instrument set up near A. b.) What is the true difference in elevation between A and B. c.) If the elevation at A is 308 m., what is the elevation of B.
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