3. A transit located between points A and B is set up at point P with elevation = 96 m, H.I. = 1.2 m, K = 100, and C = 0.3. Find the elevation of points A and B. (Solution: 15.12) Points Observed Rod Intercept Vertical Angle A 1.056 +2° 00' 1.260 -4° 00'

Structural Analysis
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Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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Hi, can I have a solution for number 3, please?

2. A dumpy level with an internal focusing telescope was set up on the left bank of the river and the rod
readings tabulated below were taken on a stadia rod held successively at the left and right water edges. If
the stadia interval factor of the instrument is 100, determine the width of the river. (online: Workbook in
Higher Surveying)
Hair Readings
Rod Position
Upper (a)
Middle (c)
Lower (b)
Rod Held at LWE
2.189 m
2.172 m
2.155 m
Rod Held at RWE
2.277 m
2.173 m
2.069 m
3. A transit located between points A and B is set up at point P with elevation = 96 m, H.I. = 1.2 m, K = 100,
and C = 0.3. Find the elevation of points A and B. (Solution: 15.12)
Points Observed
Rod Intercept
Vertical Angle
A
1.056
+2° 00'
1.260
-4° 00'
4. A dumpy level is set up at one end of a line 160 m long for the purpose of determining the instrument stadia
interval factor. The line is marked by hubs at every 40 m and a stadia rod is held at each hub. The stadia
intercept at each location of the rod were observed as follows: 0.402 m, 0.813 m, 1.231 m and 1.602 m
respectively. Compute the average value of the stadia interval factor. Height of instrument is 1.5 m. (Solution:
29.15)
Transcribed Image Text:2. A dumpy level with an internal focusing telescope was set up on the left bank of the river and the rod readings tabulated below were taken on a stadia rod held successively at the left and right water edges. If the stadia interval factor of the instrument is 100, determine the width of the river. (online: Workbook in Higher Surveying) Hair Readings Rod Position Upper (a) Middle (c) Lower (b) Rod Held at LWE 2.189 m 2.172 m 2.155 m Rod Held at RWE 2.277 m 2.173 m 2.069 m 3. A transit located between points A and B is set up at point P with elevation = 96 m, H.I. = 1.2 m, K = 100, and C = 0.3. Find the elevation of points A and B. (Solution: 15.12) Points Observed Rod Intercept Vertical Angle A 1.056 +2° 00' 1.260 -4° 00' 4. A dumpy level is set up at one end of a line 160 m long for the purpose of determining the instrument stadia interval factor. The line is marked by hubs at every 40 m and a stadia rod is held at each hub. The stadia intercept at each location of the rod were observed as follows: 0.402 m, 0.813 m, 1.231 m and 1.602 m respectively. Compute the average value of the stadia interval factor. Height of instrument is 1.5 m. (Solution: 29.15)
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