Problem: Trigonometric leveling (base of object is accessible) In order to determine the quantity of filling materials for embankment in a construction site, it is required to determine the difference in elevation (DE) between A and B. The instrument was set up at point A and took a rod reading at point B. A Stadia rod 55.56m B Horizontal distance AB =55.56m Height of set up @point A= 1.20m Rod reading = 1.80m @ point B Zenith angle to point B = 75°10' DE VD 1. Determine the difference in elevation between A and B. a) 13.19m b) 14.11m c) 13.59 d) 12.88m 2. If the finished grade of embankment is sloping from A to B, determine its slope. a) 24.56% b)25.40% c) 19.88% d) 15.56%

Structural Analysis
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Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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Problem: Trigonometric leveling (base of object is accessible)
In order to determine the quantity of filling materials for embankment in a construction
site, it is required to determine the difference in elevation (DE) between A and B. The
instrument was set up at point A and took a rod reading at point B.
Stadia rod
A
55.56m
B
Horizontal distance AB =55.56m
Height of set up @point A= 1.20m
Rod reading = 1.80m @ point B
Zenith angle to point B = 75°10'
DE VD
1. Determine the difference in elevation between A and B.
a) 13.19m
b) 14.11m
c) 13.59
d) 12.88m
2. If the finished grade of embankment is sloping from A to B, determine its slope.
a) 24.56%
b)25.40%
c) 19.88%
d) 15.56%
Transcribed Image Text:Problem: Trigonometric leveling (base of object is accessible) In order to determine the quantity of filling materials for embankment in a construction site, it is required to determine the difference in elevation (DE) between A and B. The instrument was set up at point A and took a rod reading at point B. Stadia rod A 55.56m B Horizontal distance AB =55.56m Height of set up @point A= 1.20m Rod reading = 1.80m @ point B Zenith angle to point B = 75°10' DE VD 1. Determine the difference in elevation between A and B. a) 13.19m b) 14.11m c) 13.59 d) 12.88m 2. If the finished grade of embankment is sloping from A to B, determine its slope. a) 24.56% b)25.40% c) 19.88% d) 15.56%
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