Civil Engineering (CE) Exam > Civil Engineering (CE) Questions > ) ABCDEA is a closed traverss. The observed b...
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) ABCDEA is a closed traverss. The observed bearings of the lines of the (10)
traverse are shown below. Local attraction was suspected at that area. Find the
Page I of3
. 0800cET20s12200s
corrected bearings of the linesr
Line
AB
BC
CD
DE
EA
,i
Fore bearing
72"45
349"00'
299"30'
229o00'
I 35"3O',
Back bearing
252000'
167"15',
I 1 8030',
48"00'
3 19000'?
traverse are shown below. Local attraction was suspected at that area. Find the
Page I of3
. 0800cET20s12200s
corrected bearings of the linesr
Line
AB
BC
CD
DE
EA
,i
Fore bearing
72"45
349"00'
299"30'
229o00'
I 35"3O',
Back bearing
252000'
167"15',
I 1 8030',
48"00'
3 19000'?
Most Upvoted Answer
) ABCDEA is a closed traverss. The observed bearings of the lines of t...
Understanding the Problem
In this traverse, we have observed bearings for five lines (AB, BC, CD, DE, EA) and suspect local attraction. Local attraction can cause discrepancies in the readings, necessitating correction for accurate surveying.
Observed Bearings
- Fore Bearings:
- Line AB: 72°45'
- Line BC: 349°00'
- Line CD: 299°30'
- Line DE: 229°00'
- Line EA: 135°30'
- Back Bearings:
- Line AB: 252°00'
- Line BC: 167°15'
- Line CD: 83°30'
- Line DE: 48°00'
- Line EA: 319°00'
Correction Procedure
1. Identify Local Attraction:
- Compare back bearings with fore bearings.
- Significant discrepancies between them indicate the presence of local attraction.
2. Calculate Average Bearings:
- For each line, calculate the average of fore and back bearings.
- Adjust the bearings to eliminate local attraction effects.
3. Correct Bearings:
- Apply corrections based on the observed discrepancies.
- Use the average values to derive corrected bearings for each line.
Conclusion
By following these steps, the corrected bearings for the lines in the traverse can be determined. This will help ensure the accuracy and reliability of the survey results, allowing for effective planning and construction in civil engineering projects.
In this traverse, we have observed bearings for five lines (AB, BC, CD, DE, EA) and suspect local attraction. Local attraction can cause discrepancies in the readings, necessitating correction for accurate surveying.
Observed Bearings
- Fore Bearings:
- Line AB: 72°45'
- Line BC: 349°00'
- Line CD: 299°30'
- Line DE: 229°00'
- Line EA: 135°30'
- Back Bearings:
- Line AB: 252°00'
- Line BC: 167°15'
- Line CD: 83°30'
- Line DE: 48°00'
- Line EA: 319°00'
Correction Procedure
1. Identify Local Attraction:
- Compare back bearings with fore bearings.
- Significant discrepancies between them indicate the presence of local attraction.
2. Calculate Average Bearings:
- For each line, calculate the average of fore and back bearings.
- Adjust the bearings to eliminate local attraction effects.
3. Correct Bearings:
- Apply corrections based on the observed discrepancies.
- Use the average values to derive corrected bearings for each line.
Conclusion
By following these steps, the corrected bearings for the lines in the traverse can be determined. This will help ensure the accuracy and reliability of the survey results, allowing for effective planning and construction in civil engineering projects.
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) ABCDEA is a closed traverss. The observed bearings of the lines of the (10) traverse are shown below. Local attraction was suspected at that area. Find the Page I of3. 0800cET20s12200s corrected bearings of the linesr Line AB BC CD DE EA ,i Fore bearing 72"45 349"00' 299"30' 229o00' I 35"3O', Back bearing 252000' 167"15', I 1 8030', 48"00' 3 19000'?
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) ABCDEA is a closed traverss. The observed bearings of the lines of the (10) traverse are shown below. Local attraction was suspected at that area. Find the Page I of3. 0800cET20s12200s corrected bearings of the linesr Line AB BC CD DE EA ,i Fore bearing 72"45 349"00' 299"30' 229o00' I 35"3O', Back bearing 252000' 167"15', I 1 8030', 48"00' 3 19000'? for Civil Engineering (CE) 2024 is part of Civil Engineering (CE) preparation. The Question and answers have been prepared according to the Civil Engineering (CE) exam syllabus. Information about ) ABCDEA is a closed traverss. The observed bearings of the lines of the (10) traverse are shown below. Local attraction was suspected at that area. Find the Page I of3. 0800cET20s12200s corrected bearings of the linesr Line AB BC CD DE EA ,i Fore bearing 72"45 349"00' 299"30' 229o00' I 35"3O', Back bearing 252000' 167"15', I 1 8030', 48"00' 3 19000'? covers all topics & solutions for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for ) ABCDEA is a closed traverss. The observed bearings of the lines of the (10) traverse are shown below. Local attraction was suspected at that area. Find the Page I of3. 0800cET20s12200s corrected bearings of the linesr Line AB BC CD DE EA ,i Fore bearing 72"45 349"00' 299"30' 229o00' I 35"3O', Back bearing 252000' 167"15', I 1 8030', 48"00' 3 19000'?.
) ABCDEA is a closed traverss. The observed bearings of the lines of the (10) traverse are shown below. Local attraction was suspected at that area. Find the Page I of3. 0800cET20s12200s corrected bearings of the linesr Line AB BC CD DE EA ,i Fore bearing 72"45 349"00' 299"30' 229o00' I 35"3O', Back bearing 252000' 167"15', I 1 8030', 48"00' 3 19000'? for Civil Engineering (CE) 2024 is part of Civil Engineering (CE) preparation. The Question and answers have been prepared according to the Civil Engineering (CE) exam syllabus. Information about ) ABCDEA is a closed traverss. The observed bearings of the lines of the (10) traverse are shown below. Local attraction was suspected at that area. Find the Page I of3. 0800cET20s12200s corrected bearings of the linesr Line AB BC CD DE EA ,i Fore bearing 72"45 349"00' 299"30' 229o00' I 35"3O', Back bearing 252000' 167"15', I 1 8030', 48"00' 3 19000'? covers all topics & solutions for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for ) ABCDEA is a closed traverss. The observed bearings of the lines of the (10) traverse are shown below. Local attraction was suspected at that area. Find the Page I of3. 0800cET20s12200s corrected bearings of the linesr Line AB BC CD DE EA ,i Fore bearing 72"45 349"00' 299"30' 229o00' I 35"3O', Back bearing 252000' 167"15', I 1 8030', 48"00' 3 19000'?.
Solutions for ) ABCDEA is a closed traverss. The observed bearings of the lines of the (10) traverse are shown below. Local attraction was suspected at that area. Find the Page I of3. 0800cET20s12200s corrected bearings of the linesr Line AB BC CD DE EA ,i Fore bearing 72"45 349"00' 299"30' 229o00' I 35"3O', Back bearing 252000' 167"15', I 1 8030', 48"00' 3 19000'? in English & in Hindi are available as part of our courses for Civil Engineering (CE).
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