Structural Analysis
6th Edition
ISBN: 9781337630931
Author: KASSIMALI, Aslam.
Publisher: Cengage,
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A line 100 m long was paced four times by a surveyor with the following data: 143, 146.50, 142.50, and 144. another line was paced four times by the same surveyor with the following data: 894.50, 892, 891.50, and 895. which of the following nearly gives the length of the line?
choose from
a. 605.83m
b. 612.62m
c. 620.27m
d. 629.18m
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- 2. The following interior angles of a triangle were measured with the same precision LCD of the No.of Measurements Hint: Weight = %3D No.of measurement of that angle Weight of that angle Angle Error = Total Weight Angle Value No. of measurements A 41° 5 В 77° 6. C 63° Determine the most probable value of angle A b. Determine the most probable value of angle B Determine the most probable value of angle C а. C.arrow_forward3. A and B are two points located on each bank of a river and near the abutments of a proposed bridge. To determine its distance, a baseline CD 180 m long was established on one bank of the river and the transit was set up at stations C and D and the azimuth were taken as follows: Azimuth LINE (degrees) 210°00' С - D C - A 260°00' 290°00' С -В D - A D - B 301°00' 315°00' 1. Find the distance AD.arrow_forward1. Solve the traverse partitioning. Plot and label the traverse. Provide a step-by-step solution and a handwritten calculation. Attached above is the given and the sample problem.arrow_forward
- A horizontal angle is measured five times, and the results are as follows: 156 45 34, 156 45 38, 156 46 30, 156 45 29, 156 45 32 The standard error of the measurement is most nearly A. 8" В. 3" C. 14" D. 4" B.arrow_forwardIn levelling across a wide river on pampanga, a reciprocal level readings were taken between point b and c as shown in tabulation. Compute the difference in elevation between B and C with instrument set up near B.arrow_forwardP Give suitable examples as you discuss how errors in surveying activities are classified. The three angles of a triangle were measured using a triangulation scheme, and their mean values were reported as 50° 48′ 18′′, 64° 2036", and 64° 5100".Each of these means has a standard deviation of 4 according to analysis of each set.The angles were measured again at a later time under better lighting, resulting in mean values of 64° 20′ 39", 64° 50' 58", and 50° 48' 20" prime prime Each value's standard deviation was 2 n. Determine the most probable values of the anglesarrow_forward
- Note:hand written solution should be avoided.arrow_forwardAn unknown line was paced by a surveyor and gathered the following data: 489, 483, 488, and 482. He then laid out a 100m line and paced it several times. The following data were gathered: 143, 144, 139, 136, and 141. Determine the length (m) of the line.arrow_forwardQ.2. A distance AB is observed repeatedly using the same equipment and procedures, and the results, in meters, are listed. 65.401; 65.400; 65.402; 65.396; 65.406; 65.401; 65.396; 65.401; 65.405; 65.404; 65.398 and 65.408 d} Determine the 90% error limits and list the percentage of values that fall within this range, e) Determine the 95% error limits and list the percentage of values that fall within this range. 1arrow_forward
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