Using a 30-meter tape, measurements were taken along a line laid out in five sections on the ground, yielding the following outcomes: Bay Span length Rise/fall between (m) the ends of span (m) 1 29.60 0.0 2 29.80 -0.21 3 29.40 0.0 4 29.60 + 0.31 5 26.00 -0.04 The field temperature and pull as measured were 10° C and 175 N. The tape was standardized on the flat under a pull of 125 N at temperature 20° C. Tape details: Tape density = 7700 kg/m^3 Cross-sectional area of the tape = 6 mm^2 Coefficient of linear expansion = 0.000011/°C Modulus of elasticity of tape material = 208 kN/mm^2 Determine the total correction due to sag in meters. Express answer into three decimal places.
Using a 30-meter tape, measurements were taken along a line laid out in five sections on the ground, yielding the following outcomes: Bay Span length Rise/fall between (m) the ends of span (m) 1 29.60 0.0 2 29.80 -0.21 3 29.40 0.0 4 29.60 + 0.31 5 26.00 -0.04 The field temperature and pull as measured were 10° C and 175 N. The tape was standardized on the flat under a pull of 125 N at temperature 20° C. Tape details: Tape density = 7700 kg/m^3 Cross-sectional area of the tape = 6 mm^2 Coefficient of linear expansion = 0.000011/°C Modulus of elasticity of tape material = 208 kN/mm^2 Determine the total correction due to sag in meters. Express answer into three decimal places.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
Determine the total correction due to sag in meters.
Transcribed Image Text:Using a 30-meter tape, measurements were taken along a line laid out in five sections on the ground, yielding
the following outcomes:
Bay
Span length
Rise/fall between
(m)
the ends of span (m)
1
29.60
0.0
2
29.80
-0.21
3
29.40
0.0
4
29.60
+ 0.31
5
26.00
-0.04
The field temperature and pull as measured were 10° C and 175 N.
The tape was standardized on the flat under a pull of 125 N at temperature 20° C.
Tape details:
Tape density = 7700 kg/m^3
Cross-sectional area of the tape = 6 mm^2
Coefficient of linear expansion = 0.000011/°C
Modulus of elasticity of tape material = 208 kN/mm^2
Determine the total correction due to sag in meters. Express answer into three decimal places.
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