Materials selection for concrete overlays : the final report Page: IX
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3.13.1 IH 35 W hitetopping Construction............................................................................. 49
3.13.2 Condition Survey Results ......................................................................................... 50
3.13.3 Previous Condition Surveys ...................................................................................... 51
3.13.4 Discussion and Recom m endations ........................................................................... 53
3.14 El Paso - IH 10 ..................................................................................................................53
3.14.1 Condition Survey ...................................................................................................... 54
Chapter 4. Laboratory Investigation ....................................................................................... 57
4.1 Introduction..........................................................................................................................57
4.2 Selection of Candidate M aterials........................................................................................57
4.2.1 Cem ent ......................................................................................................................... 57
4.2.2 Coarse Aggregate (CA)............................................................................................... 57
4.2.3 Fine Aggregate (FA) ................................................................................................... 57
4.2.4 Fly Ash......................................................................................................................... 58
4.2.5 Reinforcem ents ........................................................................................................... 58
4.2.6 Adm ixtures................................................................................................................... 58
4.2.7 Bonding Agents .......................................................................................................... 58
4.3 Characterization of Candidate M aterials ............................................................................58
4.3.1 M aterials Properties .................................................................................................... 58
4.3.2 Flow Table for Screening Process .............................................................................. 60
4.3.3 Factorial M atrix .......................................................................................................... 64
4 .4 T e sts .....................................................................................................................................6 6
4.4.1 Compressive Strength ................................................................................................. 66
4.4.2 Flexural Strength......................................................................................................... 67
4.4.3 Length Change ............................................................................................................. 67
4.4.4 M odulus of Elasticity .................................................................................................. 68
4.4.5 Average Residual Strength (ARS) .............................................................................. 68
4.4.6 Bond Strength .............................................................................................................. 69
4.4.7 Custom ized Restrained Shrinkage .............................................................................. 70
4.4.8 Surface Preparation..................................................................................................... 71
4.5 Results..................................................................................................................................74
4.5.1 Analysis of Tests for Factorial M atrix ........................................................................ 74
4.5.2 Compressive Strength ................................................................................................. 74
4.5.3 Flexural Strength.......................................................................................................... 76
4.5.4 Length Change ............................................................................................................. 78
4.5.5 M odulus of Elasticity .................................................................................................. 79
4.5.6 Average Residual Strength (ARS) .............................................................................. 81
4.5.7 Bond Strength .............................................................................................................. 87
4.5.8 Custom ized Restrained Shrinkage .............................................................................. 89
Chapter 5. Perform ance Prediction M odeling ....................................................................... 91
5.1 Review of HIPERBOND ...................................................................................................91
5.2 Analysis of Factorial M atrix Designs ................................................................................92
5.3 Analysis Results.................................................................................................................93
Chapter 6. G uidelines for M materials Selection ....................................................................... 95
6.1 Introduction........................................................................................................................95
6.2 Perform ance Based Acceptance Criteria ...........................................................................95ix
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Kim, Dong H.; Fowler, David W.; Ferron, Raissa P.; Trevino, Manuel M. & Whitney, David P. Materials selection for concrete overlays : the final report, report, July 2012; Austin, Texas. (https://texashistory.unt.edu/ark:/67531/metapth303706/m1/11/?rotate=0: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.