What is the angular misclosure at a 95% confidence level? BSGE students of Caraga State Universityconducted a rectangular traverse. Theangles were observed using a Transit with 4repetitions each. The distances wereobserved using a steel tape. The observedvalues of distances and their standarddeviations are as follows:StandardOccupied Sighted DistanceStation (m.)DeviationStation(m.)AВ123.28+ 0.03В207.17± 0.02CD121.22+ 0.02DA207.24± 0.04The observed values of interior angles andtheir standard deviations are as follows:StandardDeviation(inseconds)Backsight Occuppied Foresight AngleDAВ89.20687 ±41AВC90.239+7B90.36119 +1DA90.20046 +26What is the angular misclosure at a 95%,confidence level?

Given:- 4 repititions transit To find:- angular misclosure at 95% confidence level

Answered: ngular misclosure at a 95% confidence…

Engineering

Civil Engineering

ngular misclosure at a 95% confidence level

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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Question

What is the angular misclosure at a 95% confidence level?

BSGE students of Caraga State University
conducted a rectangular traverse. The
angles were observed using a Transit with 4
repetitions each. The distances were
observed using a steel tape. The observed
values of distances and their standard
deviations are as follows:
Standard
Occupied Sighted Distance
Station (m.)
Deviation
Station
(m.)
A
В
123.28
+ 0.03
В
207.17
± 0.02
C
D
121.22
+ 0.02
D
A
207.24
± 0.04
The observed values of interior angles and
their standard deviations are as follows:
Standard
Deviation
(in
seconds
)
Backsight Occuppied Foresight Angle
D
A
В
89.20687 ±41
A
В
C
90.239
+7
B
90.36119 +1
D
A
90.20046 +26
What is the angular misclosure at a 95%,
confidence level?

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