Validation of Guidelines for Evaluating the Moisture Susceptibility of WMA Technologies (2016) / Chapter Skim
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Pages 27-35
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From page 27... ...
27 Statistical Analysis Outputs A P P E N D I X B Hot Water 3 days 2 340.650 22.056 290.75 390.55 MIST 1000 cycles 3 377.367 18.009 336.63 418.11 MIST 2000 cycles 3 246.467 18.009 205.73 287.21 Moisture Conditioning Protocols Figure 14. MR stiffness results.
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From page 28... ...
28 Std Error uses a pooled estimate of error variance Means Comparisons Comparisons for each pair using Student's t Confidence Quantile t Alpha 2.26216 0.05 LSD Threshold Matrix Abs(Dif) -LSD Dry Control MIST 1000 cycles AASHTO T283 Hot Water 3 days MIST 2000 cycles Dry Control -57.61 11.35 43.25 41.27 142.25 MIST 1000 cycles 11.35 -57.61 -25.71 -27.70 73.29 AASHTO T283 43.25 -25.71 -57.61 -59.60 41.39 Hot Water 3 days 41.27 -27.70 -59.60 -70.56 29.77 MIST 2000 cycles 142.25 73.29 41.39 29.77 -57.61 Positive values show pairs of means that are significantly different.
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From page 29... ...
29 Excluded Rows 15 One-way Anova Summary of Fit Rsquare 0.823079 Adj Rsquare 0.75231 Root Mean Square Error 4.502962 Mean of Response 79.78 Observations (or Sum Wgts) 15 Analysis of Variance Source DF Sum of Squares Mean Square F Ratio Prob > F Column 1 4 943.3173 235.829 11.6306 0.0009*
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From page 30... ...
30 Level - Level Difference Std Err Dif Lower CL Upper CL p-Value Dry Control AASHTO T283 14.33333 3.676653 6.1412 22.52543 0.0030* MIST 1000 cycles MIST 2000 cycles 14.03333 3.676653 5.8412 22.22543 0.0034*
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From page 31... ...
31 LSD Threshold Matrix Abs(Dif) -LSD AASHTO T283 MIST 2000 cycles MIST 1000 cycles Hot Water 3 days Dry Control AASHTO T283 -2.2919 1.4406 2.9131 5.1331 7.2431 MIST 2000 cycles 1.4406 -2.2919 -0.8194 1.4006 3.5106 MIST 1000 cycles 2.9131 -0.8194 -2.2919 -0.0719 2.0381 Hot Water 3 days 5.1331 1.4006 -0.0719 -2.2919 -0.1819 Dry Control 7.2431 3.5106 2.0381 -0.1819 -2.2919 Positive values show pairs of means that are significantly different.
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From page 32... ...
32 Analysis of Variance Source DF Sum of Squares Mean Square F Ratio Prob > F Column 1 3 4779.669 1593.22 1.7328 0.2374 Error 8 7355.460 919.43 C Total 11 12135.129 Means for One-way Anova Level Number Mean Std Error Lower 95% Upper 95% Air Dry 3 294.367 17.506 254.00 334.74 CoreDry 3 329.000 17.506 288.63 369.37 Oven Dry 24 hours 3 305.333 17.506 264.96 345.70 Saturated-Surface Dry 3 345.467 17.506 305.10 385.84 Std Error uses a pooled estimate of error variance Means Comparisons Comparisons for each pair using Student's t Confidence Quantile t Alpha 2.30600 0.05 LSD Threshold Matrix Abs(Dif)
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From page 33... ...
33 Excluded Rows 18 One-way Anova Summary of Fit Rsquare 0.409828 Adj Rsquare 0.188514 Root Mean Square Error 7.010706 Mean of Response 76.56667 Observations (or Sum Wgts) 12 Analysis of Variance Source DF Sum of Squares Mean Square F Ratio Prob > F Column 1 3 273.04667 91.0156 1.8518 0.2161 Error 8 393.20000 49.1500 C
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From page 34... ...
Abbreviations and acronyms used without definitions in TRB publications: A4A Airlines for America AAAE American Association of Airport Executives AASHO American Association of State Highway Officials AASHTO American Association of State Highway and Transportation Officials ACI–NA Airports Council International–North America ACRP Airport Cooperative Research Program ADA Americans with Disabilities Act APTA American Public Transportation Association ASCE American Society of Civil Engineers ASME American Society of Mechanical Engineers ASTM American Society for Testing and Materials ATA American Trucking Associations CTAA Community Transportation Association of America CTBSSP Commercial Truck and Bus Safety Synthesis Program DHS Department of Homeland Security DOE Department of Energy EPA Environmental Protection Agency FAA Federal Aviation Administration FAST Fixing America's Surface Transportation Act (2015) FHWA Federal Highway Administration FMCSA Federal Motor Carrier Safety Administration FRA Federal Railroad Administration FTA Federal Transit Administration HMCRP Hazardous Materials Cooperative Research Program IEEE Institute of Electrical and Electronics Engineers ISTEA Intermodal Surface Transportation Efficiency Act of 1991 ITE Institute of Transportation Engineers MAP-21 Moving Ahead for Progress in the 21st Century Act (2012)
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From page 35... ...
TRA N SPO RTATIO N RESEA RCH BO A RD 500 Fifth Street, N W W ashington, D C 20001 A D D RESS SERV ICE REQ U ESTED ISBN 978-0-309-37506-1 9 780309 375061 9 0 0 0 0 N O N -PR O FIT O R G .
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