The following data were obtained by stadia observations: vertical angle is +4°17’, upper stadia hair and lower stadia hair readings are 1.957 m and 1.485 m, respectively. The stadia interval factor is known to be 100.02 and C is 0.321 m. The height of the instrument above the instrument station (point A) is 1.473 m and rod reading is taken at 1.874 m. Determine the following: elevation of the point sighted (point B) if the elevation of point A is 517 m. ANSWER: ___________ Difference in elevation between points A and B. ANSWER:
The following data were obtained by stadia observations: vertical angle is +4°17’, upper stadia hair and lower stadia hair readings are 1.957 m and 1.485 m, respectively. The stadia interval factor is known to be 100.02 and C is 0.321 m. The height of the instrument above the instrument station (point A) is 1.473 m and rod reading is taken at 1.874 m. Determine the following: elevation of the point sighted (point B) if the elevation of point A is 517 m. ANSWER: ___________ Difference in elevation between points A and B. ANSWER:
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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The following data were obtained by stadia observations: vertical angle is +4°17’, upper stadia hair and lower stadia hair readings are 1.957 m and 1.485 m, respectively. The stadia interval factor is known to be 100.02 and C is 0.321 m. The height of the instrument above the instrument station (point A) is 1.473 m and rod reading is taken at 1.874 m. Determine the following:
- elevation of the point sighted (point B) if the elevation of point A is 517 m. ANSWER: ___________
- Difference in elevation between points A and B. ANSWER: ___________________
Transcribed Image Text:The following data were obtained by stadia observations: vertical angle is +417', upper stadia hair and lower
stadia hair readings are 1.957 m and 1.485 m, respectively. The stadia interval factor is known to be 100.02
and C is 0.321 m. The height of the instrument above the instrument station (point A) is 1.473 m and rod
reading is taken at 1.874 m. Determine the following:
A. elevation of the point sighted (point B) if the elevation of point A is 246.517 m. ANSWER:
B. Difference in elevation between points A and B. ANSWER:
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