3. COMPASS RULE. Given in the accompanying tabulations are the observed and calculated data for a transit-tape survey. Determine the a) latitudes and departures of each course, b) linear error of closure (LEC), c) bearing of the side of error, d) the relative error of closure (RP) and balance these quantities by employing the compass rule.
3. COMPASS RULE. Given in the accompanying tabulations are the observed and calculated data for a transit-tape survey. Determine the a) latitudes and departures of each course, b) linear error of closure (LEC), c) bearing of the side of error, d) the relative error of closure (RP) and balance these quantities by employing the compass rule.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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
Transcribed Image Text:3. COMPASS RULE. Given in the accompanying tabulations are the observed and calculated data for a
transit-tape survey. Determine the
a) latitudes and departures of each course,
b) linear error of closure (LEC),
c) bearing of the side of error,
d) the relative error of closure (RP) and balance these quantities by employing the compass rule.
In addition, determine the
e) adjusted length and
f) adjusted bearing of each course. Tabulate values accordingly and draw to a suitable scale the adjusted
traverse.
LATITUDE
DEPARTURE
LINE
DISTANCE
BEARING
+N
-S
+E
-W
S 52 51'w
N 00 42'E
S 85 57'E
s 03°04'w
1-2
388.08 m
234.36
309.32
2-3
732.72
732.67
8.95
3-4
324.78
22.94
323.97
4-1
477.24
476.56
25.53
Sums
1922.82 m
+732.67
-733.86
+332.92
<-334.85
(D)
(ΣNL)
ESL)
(MED)
(EWD)
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