Materials selection for concrete overlays : the final report Page: VII
xviii, 192 p. : col. ill. ; 28 cm.View a full description of this report.
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Table of Contents
Chapter 1. Introduction................................................................... ........................................ 1
1.1 Research Background ............................................................................................................1
1.2 Research Objectives......................................................... .................................................1
1.3 Scope of Study ................ ..................................................................................................1
Chapter 2. Literature Review ............................................................................................... 3
2.1 Introduction ...... ........................... ................. ..................................................................... 3
2.2 Overview of Concrete Overlays ............................................................................................3
2.2.1 W hitetopping........................................................................................................... 3
Purposes and Uses......................................................................................................... 3
Perform ance Factors ........................................................................................................... 4
Com m on M odes of Failure ................................................................................................. 4
2.2.2 Bonded Concrete Overlay ................................................................................................. 4
Purposes and Uses......................................................................................................... 4
Perform ance Factors ........................................................................................................... 5
Com m on M odes of Failure ................................................................................................. 5
2.2.3 Unbonded Concrete Overlay......................................................... 5
Purposes and Uses......................................................................................................... 5
Perform ance Factors ........................................................................................................... 6
Com m on M odes of Failure ................................................................................................. 6
2.3 Recom m ended M aterials ........................................................................... .......................6
2.3.1 Cem ent ........................................................................................................................... 6
2.3.2 A ggregates ..................................................................................................................... 7
Coarse A ggregate (CA)................................................................................................ 7
Fine Aggregate (FA) ........................................................................................................ 8
Gradation ....................................................... ....... .......................................................... 8
2.3.3 Fly Ash......................................... 8
2.3.4 Slag ................................................................................................................................ 8
2.3.5 Silica Fum e .................................................................................................................... 8
2.3.6 Adm ixtures............. ................... 9
Air Entrainm ent .................................................................................................................. 9
High Range Water Reducers (HRWRs) .................................................... 9
2.3.7 Reinforcem ent .......................................................... .. .............................................. 9
W irem esh ....................................................... ................................................................. 9
Reinforcem ent Bars [4]...................................................................................................... 9
Reinforcem ent Bars for BCOs........................................................................................ 9
Fibers............................................................................................................................... 11
2.3.8 Bonding A gents [11]............................................ 13
Grout ............................................................................................................................... 13
Epoxy .............................................................................................................................. 14
Shear Connectors or "Jum bo N ails" ............................................................................... 14
2.3.9 Incidental M aterials [4]........................................... 15
Dow el Bars.................................................................... ............................................... 15vii
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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/m1/9/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.