A 30 m steel tape weighing 1.2 kg is of standard length under a pull of 5 kg supported for full length. The tape was used in measuring a line 734.55 m long on a smooth level ground under a steady pull of 12 kg. Assuming E = 2.0 x 106 kg/cm² and the unit weight of steel to be 7.85 x 10-3 kg/cm³, determine the following: a. Cross sectional area of the tape (in square centimeters) b. Correction for increase in tension (in meters) c. Correct length of the line (in meters)

A 30 m steel tape weighing 1.2 kg is of standard length under a pull of 5 kg supported for full length. The tape was used in measuring a line 734.55 m long on a smooth level ground under a steady pull of 12 kg. Assuming E = 2.0 x 106 kg/cm² and the unit weight of steel to be 7.85 x 10-3 kg/cm³, determine the following: a. Cross sectional area of the tape (in square centimeters) b. Correction for increase in tension (in meters) c. Correct length of the line (in meters)

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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8. A 30 m steel tape weighs 12.5 g/m and has a cross sectional area of 0.04 cm². It is of standard length under a pull of 5.5 kg when supported through out. The modulus of elasticity is 2.10 x 10 kg/cm² . When used in the field, it measured a distance of 1,428.35 m, under a constant pull of 8.5 kg with the tape supported at its end points. Determine the correct length of the line.
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Q.uestion 23.
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A 50-m steel tape weighs 0.04 kg/m and has a cross-sectional area of 0.022 sq. cm. It measures correctly when supported throughout under a tension of 8.0 kg and at a temperature of 20 degrees Celsius. When used in the field, the tape is only supported at its ends, under a pull of 9.0 kg, and at an average temperature of 28 degrees Celsius. What is the distance between the zero and 50-m mark? a.47.98 m b.50.09 m c.49.90 m d.48.89 mShow Solution please