Structural Analysis
6th Edition
ISBN: 9781337630931
Author: KASSIMALI, Aslam.
Publisher: Cengage,
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A three sided closed traverse returns to the same point. The details of the traverse are given in the attached image. The azimuth of AB is 118.34o.
Find the corrected angles to the right, and the order and class of the survey. The given K values are:
- First order: 1.7"
- Second Order Class 1: 3"
- Second Order Class 2: 4.5"
- Third Order Class 1: 10"
- Third Order Class 2: 20"
Transcribed Image Text:Angle (to right)
Point
Line
Length
AB
281.78
АВС
254.12
ВС
350.52
BCA
336.54
CA
145.53
CAB
309.12
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- 1) In the closed loop traverse given below find; c) Eastings & Northings Consider that the coordinates of point A is (000, 1000) The Lengths: AB=69 m. BC=81m, CD=60m, DE=50m, EA=63m The inner angles: A=88°23': B=120°22': C= 110°: D=115°: E=106° Note that only appropriately tabulated results will be marked Note that: The figure does not represent the correct angles nor the lengths D.arrow_forwardProblem: Trigonometric leveling (base of object is accessible) In order to determine the quantity of filling materials for embankment in a construction site, it is required to determine the difference in elevation (DE) between A and B. The instrument was set up at point A and took a rod reading at point B. Stadia rod A 55.56m B Horizontal distance AB =55.56m Height of set up @point A= 1.20m Rod reading = 1.80m @ point B Zenith angle to point B = 75°10' DE VD 1. Determine the difference in elevation between A and B. a) 13.19m b) 14.11m c) 13.59 d) 12.88m 2. If the finished grade of embankment is sloping from A to B, determine its slope. a) 24.56% b)25.40% c) 19.88% d) 15.56%arrow_forwardFive interior angles of a six-sided polygon traverse were observed as A = 43°17′08″, B = 202°04′57″, C = 103°33′44″, D = 98°35′15″, and E = 132°23′59″. The angle at F was not observed. If all observed angles are assumed to be correct, what is the value of angle F?arrow_forward
- 1. Determine the distance between survey stations R and S, which are separated by a body of water. An EDM device is not available. A baseline RT is established and taped; the angles at the stations have been measured and adjusted. Compute the required distance RS using the given data. S R River 345.67 ft Baseline T 4 R-ST = 67° 11'39" 4 T-RS = 33°49'38"arrow_forwardThe interior angles A, B and C of a triangular traverse were measured with the same precision. The results were as follow: STATION ANGLES No. of MEASUREMENTS A 39 degrees 3 B 65 degrees 4 C 75 degrees 2 Determine the corrected angle of Station B. 64.43 degrees 65.38 degrees 65.23 degrees 65.43 degreesarrow_forwardElementary Surveying Instructions: Please show complete solutions. Problem: Answer #3, Compute a, b, and c.arrow_forward
- 5. Four interior angles of a five-sided polygon traverse were observed as A = 100°32'46", B = 112°36'48", and C = 108°13'08", and D = 115°42'58". The angle E was not observed. If all the observations are assumed to be correct, what is the value of the angle E? Worlkarrow_forwardPlease this question is related to surveying engineering and some questions have to solve by Least Square Adjustment (LSA) using matrices. Thanks in advance.arrow_forwardA level loop was run and the raw elevations in Table 2 were calculated based on backsights and foresights. A plan view of the loop is shown in Figure 2. The true elevation of BM1 is 195.00 ft. Adjust the elevation of each station such that the error is evenly spaced. Show sample calculations of your work. Also determine the accuracy ratio of the survey. BM₁ 5 mi 3 mi BM2 BM4 3 mi BM3 4 mi Figure 2 Table 2 Station Raw Elevation [ft] BM1 195.0 BM2 205.6 BM3 209.8 BM4 204.7 BM1 195.5arrow_forward
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