The article Effect of Granular Subbase Thickness on Airfield Pavement Structural
Chapter 5, Problem 11(choose chapter or problem)
The article “Effect of Granular Subbase Thick- ness on Airfield Pavement Structural Response” (K. Gopalakrishnan and M. Thompson, Journal of Mate- rials in Civil Engineering, 2008:331–342) presents a study of the effect of the subbase thickness on the amount of surface deflection caused by aircraft landing on an airport runway. In six applications of a
\(160 \mathrm{kN}\) load on a runway with a subbase thickness of \(864 \mathrm{~mm}\), the average surface deflection was \(2.03 \mathrm{~mm}\) with a standard deviation of \(0.090 \mathrm{~mm}\). Find a \(90 \%\) confidence interval for the mean deflection caused by a
\(160 \mathrm{kN}\).
Equation Transcription:
Text Transcription:
160 kN
864 mm
2.03 mm
0.090 mm
90%
160 kN
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