Direct Differential Leveling Data: Staff Reading at Level at A K 1.115 m 0.989 m 15 2.113 m 1.867m 15 35 1.024 m 55 1.244 m 25 0.758 m 35 45 2.003 m Station A BS (m) HI (m) FS (m) Elev. (m) 15 35 Determine the following: e. Height of collimation between sta. 15 and 35 in m. f. Elevation of sta. 55 in m. g. Rod reading at sta. 15 when level is at sta. 22 in m if the rod reading at A from sta. 22 is 1.334 m. Fl35

Direct Differential Leveling Data: Staff Reading at Level at A K 1.115 m 0.989 m 15 2.113 m 1.867m 15 35 1.024 m 55 1.244 m 25 0.758 m 35 45 2.003 m Station A BS (m) HI (m) FS (m) Elev. (m) 15 35 Determine the following: e. Height of collimation between sta. 15 and 35 in m. f. Elevation of sta. 55 in m. g. Rod reading at sta. 15 when level is at sta. 22 in m if the rod reading at A from sta. 22 is 1.334 m. Fl35

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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A differential leveling circuit began on BM Hydrant (orthometric height 5869.31 ftft) and closed on BM Rock (orthometric height 5880.03 ftft). The plus sight and minus sight distances were kept approximately equal. Readings (in feet) given in the order taken are 5.48 (+S) on BM Hydrant, 5.59 (−S) and 10.83 (+S) on TP1, 9.26 (−S) and 13.41 (+S) on BM 1, 8.91 (−S) and 7.57 (+S) on BM 2, 5.14 (−S) and 9.01 (+S) on TP2, and 6.63 (−S) on BM Rock. Prepare, check, and adjust the notes. Determine the Plus and Minus adjustments. Express your answers in feet to two decimal places separated by a comma. Determine the page check. Express your answer in feet to two decimal places. Determine the misclosure and the correction. Express your answers in feet to two decimal places separated by a comma.
A line level was run from BM1 to BM2, 8 km apart. The average backsight and foresight distances were 100m. At every turning point, the rod settles by 3cm. Determine the total error in the recorded elevation of BM2. a. 1.17 m b. 1.25 m c. 1.40 m d. 1.57 m
A differential leveling loop began and closed on BM Tree (elevation 323.48 ft). The plus sight and minus sight distances were kept approximately equal. Readings (in feet) listed in the order taken are 3.18 1 +S2 on BM Tree, 4.76 1 -S2, and 2.44 1 +S2 on TP1, 3.05 1 -S2 and 6.63 1 +S2 on BM X, 3.64 1 -S2 and 2.35 1 +S2 on TP2, and 3.07 1 -S2 on BM Tree. Prepare, check, and adjust the notes.
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Answer key ; 1. 1160kn#2 170 kn -m#3 540 kn and210 kn-m
Q avg = 0.181 m^3/s
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