Elementary Surveying: An Introduction To Geomatics (15th Edition)
15th Edition
ISBN: 9780134604657
Author: Charles D. Ghilani
Publisher: PEARSON
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Chapter 4, Problem 4.34P
Similm to Problem 4.32 Eexcept that the rod readings are 1.894 and 1.923 m to A and B, respeativelyl from point 1, and 1.1333 and 11130 m to A and [El1 respectively, from point 2. The distance between the points in the West was 10!] m.
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This is in the surveying subject, thankyou for helping out :)) have a nice day
The following tacheometric observations were amde on two points P and Q from station A.
Staff at Vertical Angle Staff Reading
Upper Middle Lower
P
-5°12'
1.388 0.978 0.610
+27°35'
1.604 1.286 0.997
The height of the tacheometer at A above the ground was 1.55m. Determine the elevations of P
and Q if the elevation of A is 75.5 m. The stadia constant k and c are respectively 100 and 0.0m.
Show an illustration of your work.
Question: 1
To determine the elevation of station A, the following observation were taken, the rod held vertically. The instrument fitted with Anallatic lens and value of constant was 100.
Inst. Station
Height of instrument
Staff Station
Vertical angle
Staff Reading
Remarks
O
1.440
B.M
- 5o40’
1.332 1.896 2.460
R.L of BM = 158.205 m
B
1.440
C.P
+8o 20’
0.780 1.263 1.746
A
1.380
C.P
-6o 24’
1.158 1.617 2.076
subject: Engneering surveyin 1
Chapter 4 Solutions
Elementary Surveying: An Introduction To Geomatics (15th Edition)
Ch. 4 - Prob. 4.1PCh. 4 - Prob. 4.2PCh. 4 - Prob. 4.3PCh. 4 - Prob. 4.4PCh. 4 - Prob. 4.5PCh. 4 - Prob. 4.6PCh. 4 - Prob. 4.7PCh. 4 - Prob. 4.8PCh. 4 - Prob. 4.9PCh. 4 - Prob. 4.10P
Ch. 4 - Prob. 4.11PCh. 4 - Prob. 4.12PCh. 4 - Prob. 4.13PCh. 4 - Prob. 4.14PCh. 4 - Prob. 4.15PCh. 4 - Prob. 4.16PCh. 4 - Prob. 4.17PCh. 4 - Prob. 4.18PCh. 4 - Prob. 4.19PCh. 4 - Prob. 4.20PCh. 4 - Prob. 4.21PCh. 4 - Prob. 4.22PCh. 4 - Prob. 4.23PCh. 4 - Prob. 4.24PCh. 4 - Prob. 4.25PCh. 4 - Prob. 4.26PCh. 4 - Prob. 4.27PCh. 4 - Prob. 4.28PCh. 4 - Prob. 4.29PCh. 4 - Prob. 4.30PCh. 4 - Prob. 4.31PCh. 4 - Prob. 4.32PCh. 4 - Prob. 4.33PCh. 4 - Similm to Problem 4.32 Eexcept that the rod...Ch. 4 - Prob. 4.35P
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- The following tacheometric observations were 'thade on two points P and Q from station A. Staff at Vertical Angle Staff Reading Upper Middle Lower P -5°12' 1.388 0.978 0.610 +27°35' 1.604 1.286 0.997 The height of the tacheometer at A above the ground was 1.55m. The stadia constant k and c are respectively 100 and 0.0m. Determine the elevations of P and Q if the elevation of A is 75.5 m Determine the horizontal distance between P and Q if Station A is between the two stations. Show an illustration of your work. « Previous Nextarrow_forward34 Assignment In order to carry out tacheometric surveying, following observations wer taken through a tacheometer set up at station P at a height 1.235m. Compute the horizontal distance of S from P and reduced level of statio at S if R.L. of station P is 262.575m Staff held Vertical at Dr Q R S Horizontal distance from P (m) 100 200 ? 20. K ENGIN Staff Reading (m) 1.01 2.03 3.465, 2.27, 1.280 2.03m 1.01m 100m 200m Angle of Elevation 0° 0° 5° 24' 40"arrow_forwardPlease solved it neat and clean step by steparrow_forward
- Complete the table.arrow_forwardQuestion- An instrument was setup at P and the angle of depression to a vane 2m above the foot of the staff held at Q was 5° 36'. The horizontal distance between P & Q was known to be 3000 m. Given the staff reading on a benchmark of elevation 436.000 was 2.865m, the R.L of the staff station Q isarrow_forwardA Tachometer is set up at an intermediate point on a survey line PQ and the following observations were made on a vertically held staff. Staff intercept 1.235 m 1.115 m Axial hair readings 2.445 m 1.335 m Staff station Vertical angle 15° 20 ' 50" 12° 40 ' 10 " i) Compute length of the line PQ. 2.5 ii) Compute R.L of Q, if R.L of P is 189.66 m 2.5arrow_forward
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- B. Double-Rodded Leveling 3. Complete differential level notes for the information shown and perform the customary arithmetic check. STATION BS HI FS STATION 1.722 BM1 127.378 m 1.722 ΤΡΙΗ 2.623 1.382 TP1L 2.789 1.522 TP2 H 3.089 0.899 TP2 L 3.214 0.714 ТРЗ Н 1.521 2.452 TP3 L 1.632 2.678 ТРА Н 2.333 1.113 TP4 L 2.589 1.523 TP5 H 0.667 2.877 TP5 L 0.986 2.543 3.521 BM2 3.214arrow_forwarddifferential leveling. can you plot the data above like the one below? thank youarrow_forwardTwo pegs A and B were fixed on opposite banks of a 40 m wide river. The level was set up at A and the staff readings on pegs A and B were observed as 1.250 m and 1.568m, respectivelyThereafter the instrument was shifted and set up at B. The staff readings on pegs B and A were observed as 0.750 m and 0.240 m, respectivelylf the R.L. of peg A is 130.750 m, then the R.L. (in m) of peg B isarrow_forward
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