A 50-m steel tape is of standard length under a pull of 5.5 kg and a temperature of 20 °C when supported throughout its entire length The tápe weighs 0.05 kg/m, has a cross-sectional area of 0.04 cm? and a modulus of elasticity of 2x100 kg/cm2. This tape was used in the field to measure a distance that was determined to be 458.650 m. At the time the measurement was made, the constant pull applied was 8 kg with the tape supported only at end points. During the measurement, the temperature was observed to be at an average of 18 C Use the coefficient of thermal expansion of the tape 0.0000116/C
A 50-m steel tape is of standard length under a pull of 5.5 kg and a temperature of 20 °C when supported throughout its entire length The tápe weighs 0.05 kg/m, has a cross-sectional area of 0.04 cm? and a modulus of elasticity of 2x100 kg/cm2. This tape was used in the field to measure a distance that was determined to be 458.650 m. At the time the measurement was made, the constant pull applied was 8 kg with the tape supported only at end points. During the measurement, the temperature was observed to be at an average of 18 C Use the coefficient of thermal expansion of the tape 0.0000116/C
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:A 50-m steel tape is of standard length under a pull of 5.5 kg and a temperature of 20 °C when supported
throughout its entire length The tápe weighs 0.05 kg/m, has a cross-sectional area of 0.04 cm2 anda modulus of
elasticity of 2x10° kg/cm2, This tape was used in the field to measure a distance that was determined to be
458.650 m. AL the time the measurement was made, the constant pull applied was 8 kg with the tape supported
only at end points. During the measurement, the temperature was observed to be at an average of 18 C Use the
coefficient of thermal expansion of the tape 0.0000116/C.
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