measured with a 0.65 kg. tape which is 30.005 m. long at 200 C under a 50 N pull supported at both ends. During measurement, the ttemperature is 50C and the tape is suspended under a 75 N pull. The line is measured on a 3% grade. Modulus of

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Chapter9: Composite Construction
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Problem 9.2.1P: A W1422 acts compositely with a 4-inch-thick floor slab whose effective width b is 90 inches. The...
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line is recorded as 472.90 m. long. It is measured with a 0.65 kg. tape which is 30.005 m. long at
200 C under a 50 N pull supported at both ends. During measurement, the ttemperature is 50C
and the tape is suspended under a 75 N pull. The line is measured on a 3% grade. Modulus of
elasticity of the tape is 200 GPa, cross-sectional area of the tape is 3 mm2 and the coefficient of
linear expansion is 0.000016 m/0C.

 

a. Compute the actual length of the tape during measurement.

b. Compute the total error to be corrected for the inclined distance.

c. What is the true horizontal distance. 

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