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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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7. ERROR OF CLOSURE. Given the following tabulated data for
two transit-tape surveys:
LATITUDE
DEPARTURE
LINE
LENGTH
BEARING
+N
-s
- W
s 06*35'w
N 17*48'w
N 70°59'w
N 59°33'E
S 39° 1 8'E
1-2
445.66 m
442.72
5!.09
2-3
326.73
311.09
99.88
3-4
434.50
141.58
410.79
4-5
427.00
216.40
368.10
5-1
301,95
233.66
191.25
Sums
1935.84 m
+ 669.07
-676.38
+559.35 -561.76
(D)
(ENL)
(ESL)
CŒEDI
IZ WD)
LATITUDE
DEPARTURE
AZIMUTH
COURSE
LENGTH
FROM NORTH
+N
-s
+E
- W
82'12'
131*48'.
228 20'
267*43'
352°01'
AB
229.70m
31.17
227.57
вс
130.55
87.02
97.32
CD
161.46
107.34
120.61
DE
180.49
7.19
1 80.35
EA
171.83
170.16
23.86
Sums
874.03 m.
+201.33
-201.55
+324.89-324.82
(D)
(ENL)
(ESL),
(ZED)
(ZWD)
traverse determine the linear error of
closure,
and the precision of
computed
each
For
the direction of the side of error,
the, measurements made. Tabulate all observed and
values.
Transcribed Image Text:7. ERROR OF CLOSURE. Given the following tabulated data for two transit-tape surveys: LATITUDE DEPARTURE LINE LENGTH BEARING +N -s - W s 06*35'w N 17*48'w N 70°59'w N 59°33'E S 39° 1 8'E 1-2 445.66 m 442.72 5!.09 2-3 326.73 311.09 99.88 3-4 434.50 141.58 410.79 4-5 427.00 216.40 368.10 5-1 301,95 233.66 191.25 Sums 1935.84 m + 669.07 -676.38 +559.35 -561.76 (D) (ENL) (ESL) CŒEDI IZ WD) LATITUDE DEPARTURE AZIMUTH COURSE LENGTH FROM NORTH +N -s +E - W 82'12' 131*48'. 228 20' 267*43' 352°01' AB 229.70m 31.17 227.57 вс 130.55 87.02 97.32 CD 161.46 107.34 120.61 DE 180.49 7.19 1 80.35 EA 171.83 170.16 23.86 Sums 874.03 m. +201.33 -201.55 +324.89-324.82 (D) (ENL) (ESL), (ZED) (ZWD) traverse determine the linear error of closure, and the precision of computed each For the direction of the side of error, the, measurements made. Tabulate all observed and values.
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