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A 30-m steel tape weighs 12.5 g/m and has a cross section of 0.022 cm^2. It measures correctly when supported throughout under a tension of 8.0 kg and at a temperature of 20° C. When used in the field, the tape is only supported at its ends, under a pull of 9.C kg, and at an average temperature of 28° C. Determine the correct distance between the zero and 30-m marks.

A 30-m steel tape weighs 12.5 g/m and has a cross section of 0.022 cm^2. It measures correctly when supported throughout under a tension of 8.0 kg and at a temperature of 20° C. When used in the field, the tape is only supported at its ends, under a pull of 9.C kg, and at an average temperature of 28° C. Determine the correct distance between the zero and 30-m marks.

Structural Analysis
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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**Problem Statement:** A 30-meter steel tape weighs 12.5 g/m and has a cross-sectional area of 0.022 cm². It measures correctly when fully supported under a tension of 8.0 kg and at a temperature of 20°C. **Field Conditions:** - The tape is supported only at its ends. - It is under a tension of 9.0 kg. - The average temperature is 28°C. **Objective:** Determine the correct distance between the zero and 30-meter marks under these field conditions. **Considerations:** - Weight of the tape - Cross-sectional area - Initial and field tension - Temperature difference **Note:** There are no graphs or diagrams accompanying this problem statement.
Transcribed Image Text:**Problem Statement:** A 30-meter steel tape weighs 12.5 g/m and has a cross-sectional area of 0.022 cm². It measures correctly when fully supported under a tension of 8.0 kg and at a temperature of 20°C. **Field Conditions:** - The tape is supported only at its ends. - It is under a tension of 9.0 kg. - The average temperature is 28°C. **Objective:** Determine the correct distance between the zero and 30-meter marks under these field conditions. **Considerations:** - Weight of the tape - Cross-sectional area - Initial and field tension - Temperature difference **Note:** There are no graphs or diagrams accompanying this problem statement.
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