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 cm2 and a weight of 0.03967 kg/m. This tape was held horizontally, 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 data listed in the following table were recorded. Apply corrections for tape length, temperature, pull, and sag to determine the correct length of the line. Section A-1 1-2 2-B Measured (recorded) distance (m) 30.000 30.000 21,151 281.151 Temperature (°C) 14 15 16
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 cm2 and a weight of 0.03967 kg/m. This tape was held horizontally, 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 data listed in the following table were recorded. Apply corrections for tape length, temperature, pull, and sag to determine the correct length of the line. Section A-1 1-2 2-B Measured (recorded) distance (m) 30.000 30.000 21,151 281.151 Temperature (°C) 14 15 16
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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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 cm2 and a weight of
0.03967 kg/m. This tape was held horizontally, 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 data listed in the following table were
recorded.
Apply corrections for tape length, temperature, pull, and sag to determine the correct length of the
line.
Section
A-1
1-2
2-B
Measured (recorded)
distance (m)
30.000
30.000
21.151
281.151
Temperature (℃)
14
15
16
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