Ex29-2 : Calculate the Independent Coordinates for the traverse defined in Example 29.1 . Given that the independent Coordinates of the stations A as ( 7200.054 , 7640.842).
Solution :
Table 29.2 Computation of Independent Coordinates of a closed-loop traverse
Stations
(1) |
Sides
(2) |
Length ( li ) m
(3) |
Azimuth (qi)
(4) |
Consecutive Coordinates, (m)
(5) |
Independent Coordinates (m)
(6) |
|
|
|
|
A |
|
|
|
|
|
7200.054 |
7640.842 |
|
AB |
372.222 |
0° 42' |
4.547 |
372.194 |
|
|
B |
|
|
|
|
|
7204.601 |
8013.036 |
|
BC |
164.988 |
94° 42' |
164.576 |
-11.653 |
|
|
C |
|
|
|
|
|
7369.177 |
8001.383 |
|
CD |
242.438 |
183° 04' |
-12.970 |
-242.091 |
|
|
D |
|
|
|
|
|
7356.207 |
7759.292 |
|
DA |
197.145 |
232° 51' |
-157.136 |
-119.056 |
|
|
A |
|
|
|
|
|
7199.071 |
7640.236 |
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