A 467.0-m long boundary line is to be laid out with a 30.0-m invar tape weighing 0.70 kg at 20°C under a standard pull of 68.67 N supported at both ends. Modulus of elasticity of tape E = 205 GPa, tape cross-sectional area A = 3.77mm^2, and coefficient of linear expansion a= 0.0000131/°C. If during measurement, the ambient temperature is 25°C and the tape is supported both ends under a pull of 63.0 N every 30-meter mark, determine the following: Total correction due to temperature. Total correction due to pull. Total correction due to sag. The actual length of tape during measurement, in meters. a. b. C. d.
A 467.0-m long boundary line is to be laid out with a 30.0-m invar tape weighing 0.70 kg at 20°C under a standard pull of 68.67 N supported at both ends. Modulus of elasticity of tape E = 205 GPa, tape cross-sectional area A = 3.77mm^2, and coefficient of linear expansion a= 0.0000131/°C. If during measurement, the ambient temperature is 25°C and the tape is supported both ends under a pull of 63.0 N every 30-meter mark, determine the following: Total correction due to temperature. Total correction due to pull. Total correction due to sag. The actual length of tape during measurement, in meters. a. b. C. d.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:A 467.0-m long boundary line is to be laid out with a 30.0-m invar tape weighing 0.70 kg at 20°C under a standard
pull of 68.67 N supported at both ends. Modulus of elasticity of tape E = 205 GPa, tape cross-sectional area A =
3.77mm^2, and coefficient of linear expansion a= 0.0000131/°C. If during measurement, the ambient temperature is
25°C and the tape is supported both ends under a pull of 63.0 N every 30-meter mark, determine the following:
Total correction due to temperature.
Total correction due to pull.
Total correction due to sag.
a.
b.
C.
d.
The actual length of tape during measurement, in meters.
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