CORRECTIONS COMBINED EXAMPLE A line is recorded as 472.90 m. It is measured with a 0.65 kg which is 30.005 m long at 20 °C under a 50 N pull supported at both ends. During measurement, the temperature is 5 °C and the tape is suspended under a 75 N pull. The line is measured on an inclined angle of 143'8.87" or 3% grade. E =200 GPa, cross- sectional area is 3 mm? and the coefficient of linear expansion is 0.0000116 m/°C. Nominal length of tape is 30 m. A. Compute for the actual length of tape during measurement. Answer: 29.992 m B. Compute for the correction for the inclined distance. Answer: -0.126 m C. What is the true horizontal distance? Answer: 462.561 m
CORRECTIONS COMBINED EXAMPLE A line is recorded as 472.90 m. It is measured with a 0.65 kg which is 30.005 m long at 20 °C under a 50 N pull supported at both ends. During measurement, the temperature is 5 °C and the tape is suspended under a 75 N pull. The line is measured on an inclined angle of 143'8.87" or 3% grade. E =200 GPa, cross- sectional area is 3 mm? and the coefficient of linear expansion is 0.0000116 m/°C. Nominal length of tape is 30 m. A. Compute for the actual length of tape during measurement. Answer: 29.992 m B. Compute for the correction for the inclined distance. Answer: -0.126 m C. What is the true horizontal distance? Answer: 462.561 m
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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