Question Question: if you know that, a Loop levelling started and ended on known benchmarks (BM 1073 and BM 1074) as shown below. There are 3 instrument locations (L1, L2, L3) and 2 change points (D, G). Additionally, there are 5 intermediate sight points (A, B, C, E, F). The staff readings are presented on the sketch below. The elevation of BM 1073 is equal to 15.452m. Calculate the reduced level of all unknown points (A, B, C, D, E, F, G, and BM 1074) using the Height of the instrument method and the Rise and Fall method? Present your work in two separate tables. B F 0.9070 AQ 0.87X E Q0.808 0.765 2.005 1.322 1.805 1.904 1.090 L2 G 2.355 BM 1073 15.452m L, 1.411 L3 C BM 1074

Question Question: if you know that, a Loop levelling started and ended on known benchmarks (BM 1073 and BM 1074) as shown below. There are 3 instrument locations (L1, L2, L3) and 2 change points (D, G). Additionally, there are 5 intermediate sight points (A, B, C, E, F). The staff readings are presented on the sketch below. The elevation of BM 1073 is equal to 15.452m. Calculate the reduced level of all unknown points (A, B, C, D, E, F, G, and BM 1074) using the Height of the instrument method and the Rise and Fall method? Present your work in two separate tables. B F 0.9070 AQ 0.87X E Q0.808 0.765 2.005 1.322 1.805 1.904 1.090 L2 G 2.355 BM 1073 15.452m L, 1.411 L3 C BM 1074

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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3) The following table contains a set of measured levels for an open traverse Station CP1 (BM) 1a 1b CP2 2a 26 CP3 BS IS FS 1.430 3.370 2.010 1.010 2.980 1.410 0.400 0.670 RL 277.650 Find the RL values and do a checking i) use RISE and Fall Method ii) use Method of Height of Plane of Collimation<
Complete the following level notes. Show your detailed solution and checking. Double Rodded Leveling Station BM1 TP1 TP2 TP3 TP4 BM2 BS 1.045 1.324 1.335 1.296 1.250 1.278 1.354 1.190 2.105 - HI FS -- 1.943 1.888 1.580 1.523 2.395 2.430 2.143 2.211 2.445 Elevation 155.520
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3. Using the following information, determine the elevation at Point B and Point C. Setup @ A Elev at A = 96.237 m Slope distance to Point B is 147.689 m Zenith Angle is 104° 56' 45" Slope distance to Point C is 99.987 m Zenith Angle is 72° 48' 10" HI (height of instrument) = 1.725m HT (height of target) = 1.800m %3D Note: HT and HI are consistent for both shots.
Book the readings as shown in Figure Q4by Rise and Fall method. Compute all elevations, and show the arithmetic check and the resulting error in closure. If the allowable closing error is ±24√K, and the total distance covered is 200 meters, is the closing error acceptable? What kind of action should be taken? 5.11 4.66 4.42 4.72 2.01 # ==||||| TP1 BM61 Elevation 321.70 0+50- 4.30 1+00- Figure Q4 3.98 1.20 1+50- 1.80 1+75- TP2 Elevation 327.74
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The figure shown below provides the rod readings in the order in which they were taken. The elevation of the starting Benchmark (BM) A is shown. The last reading is taken at another benchmark known as BM B which has an elevation of 92.50 ft. Based on the information given, What is the elevation of BM B and the Error of Closure (EC) for the differential leveling shown? FS= 4.20 BRI BS= 2.50 TP 1 BM A BS=1.30 Elev. 100.00 O BM B= 92.50 ft; EC = 0.02 ft. BM B= 92.50 ft; EC = 0 ft. O BM B= 92.48 ft; EC = 0.02 ft. O BM B= 92.48 ft; EC = 0 ft. FS= 7.12 BM B
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From the given Leveling Notes below, answer the following questions: a. b. C. d. e. STA BM1 1+100 1+120 1+140 TP1 1+160 1+180 BM2 What type of leveling is presented? What station has the highest elevation? (Indicate the letter only corresponding to the station - use capital letter) What station has the lowest elevation? (Indicate the letter only corresponding to the station - use capital letter) What is the elevation (in meters - 3 decimal places) of the line of site when the FS was taken at TP1? (Do not include the unit) What is the elevation of BM2 (in meters - 3 decimal places)? (Do not include the unit) BS (m) HI (m) FS (m) 1.670 1.875 1.257 1.350 IFS (m) ELEV (m) Remarks 108.750 A 1.230 1.450 0.975 1.250 1.670 BCDEFI с G H
Shown below in a table is a set of differential leveling notes. Determine the elevations at each location and apply any checks. Leveling work was started from BM20 and was ended to BM21. Show all your work (there is space on the next page). (BS = backsight, IS = Intermediate sight, FS = Foresight). %3D Station BS IS FS Elevation BM20 8.27 240.48 TP1 9.21 2.60 0+00 11.3 0+50 9.6 1+00 6.1 TP2 7.33 4.66 1+50 5.8 2+00 4.97 BM21 3.88
Complete the following set of profile level notes to answer questions [Select] [Select] [ Select] Station BS BM1 2.565 1+100 1+200 TP1 1+300 1+400 1+500 HI FS IFS TP2 1.946 ? 1.946 BM2 ? 33.562 3.741 1.768 2.543 The HI at TP1 is 1.154 0.752 3.051 Elevation (m) 32.756 ? 31.500 30.429 The elevation at station 1+100 is The backsight reading at TP1 is