A 30-m steel tape standardized at 20°C and supported throughout under a tension of 5.45 kg was found to be 30.012-m long. The tape had a cross-sectional area of 0.050 cm? and a weight of 0.03967 kg/m. This tape was held horizontal, supported at the ends only, with a constant tension of 9.09 kg, to measure a line from A to B in three segments. The following data below were gathered from the field. Measured Temperature Section Distance (m) ("C) А-1 30 14 1-2 30 15 2-B 21.151 16

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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Note: 
coefficient of linear expansion is 0.0000116/°C
modulus elasticity of steel is 2,000,000 kg/cm²

Find corrections for: 
tape length, temperature, pull, sag, and the correct length of the line

A 30-m steel tape standardized at 20°C and supported throughout under a tension of 5.45 kg was found to be 30.012-m long. The tape had a
cross-sectional area of 0.050 cm? and a weight of 0.03967 kg/m. This tape was held horizontal, supported at the ends only, with a constant
tension of 9.09 kg, to measure a line from A to B in three segments. The following data below were gathered from the field.
Measured
Temperature
Section
Distance (m)
("C)
А-1
30
14
1-2
30
15
2-B
21.151
16
Transcribed Image Text:A 30-m steel tape standardized at 20°C and supported throughout under a tension of 5.45 kg was found to be 30.012-m long. The tape had a cross-sectional area of 0.050 cm? and a weight of 0.03967 kg/m. This tape was held horizontal, supported at the ends only, with a constant tension of 9.09 kg, to measure a line from A to B in three segments. The following data below were gathered from the field. Measured Temperature Section Distance (m) ("C) А-1 30 14 1-2 30 15 2-B 21.151 16
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