Problem 3. A 50-m steel tape is of standard length under a pull of 55 N and a temperature of 20°C when supported throughout its entire length. The tape weighs 0.055kg/m, has a cross sectional area of 0.04 cm² and a modulus of elasticity of 2x106 kg/cm². This tape was used in the field to measure a distance that was determined to be 501.650 m. At the time the measurement was made, the constant pull applied was 95 N with the tape supported all throughout. During the measurement the temperature was observed to be at an average of 30°C. Use a = 11.6x10-6 m/°C. Determine the correct length of the line.
Problem 3. A 50-m steel tape is of standard length under a pull of 55 N and a temperature of 20°C when supported throughout its entire length. The tape weighs 0.055kg/m, has a cross sectional area of 0.04 cm² and a modulus of elasticity of 2x106 kg/cm². This tape was used in the field to measure a distance that was determined to be 501.650 m. At the time the measurement was made, the constant pull applied was 95 N with the tape supported all throughout. During the measurement the temperature was observed to be at an average of 30°C. Use a = 11.6x10-6 m/°C. Determine the correct length of the line.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Problem 3. A 50-m steel tape is of standard length under a pull of 55 N and a temperature of 20°C when supported throughout its entire length. The tape weighs 0.055kg/m, has a cross sectional area of 0.04 cm² and a modulus of elasticity of 2x106 kg/cm². This tape was used in the field to measure a distance that was determined to be 501.650 m. At the time the measurement was made, the constant pull applied was 95 N with the tape supported all throughout. During the measurement the temperature was observed to be at an average of 30°C. Use a = 11.6x10-6 m/°C. Determine the correct length of the line.
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