A line is recorded as 472.90 m long. It is measured with a 0.65 kg tape which is 30.005 m long at 20oC under a 50 N pull supported in both ends. During measurement, the temperature is 5oC and the tape is measured under a 75 N pull. The line is measured on 3% grade. E = 200 GPa, cross sectional area of tape is 3 mm2 and the coefficient of linear expansion is 0.0000116 m/oC   Compute the actual length of tape during measurement Compute the total error to be corrected for the inclined distance What is the horizontal distance?

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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  1. A line is recorded as 472.90 m long. It is measured with a 0.65 kg tape which is 30.005 m long at 20oC under a 50 N pull supported in both ends. During measurement, the temperature is 5oC and the tape is measured under a 75 N pull. The line is measured on 3% grade. E = 200 GPa, cross sectional area of tape is 3 mm2 and the coefficient of linear expansion is 0.0000116 m/oC

 

  1. Compute the actual length of tape during measurement
  2. Compute the total error to be corrected for the inclined distance
  3. What is the horizontal distance?
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