Materials selection for concrete overlays : the final report Page: VIII
xviii, 192 p. : col. ill. ; 28 cm.View a full description of this report.
Extracted Text
The following text was automatically extracted from the image on this page using optical character recognition software:
Tie Bars............................................................................................................................. 15
Joint Sealant M aterials..................................................................................................... 15
2.3.10 Separation Layer M aterials for UBCOs.................................................................... 15
2.4 Recom m ended M ixture Design/Proportioning ...................................................................16
2.4.1 Cem entitious M aterials Content ................................................................................. 16
2.4.2 W ater-to-Cem entitious M aterials Ratio (w/c)............................................................. 16
2.4.3 Fly A sh Content ........................................................................................................... 16
2.4.4 Aggregate Ratio .......................................................................................................... 17
2.4.5 Fiber Content ............................................................................................................... 17
2.4.6 Air Entrainm ent .......................................................................................................... 17
2.4.7 Adm ixture Dosage ...................................................................................................... 17
2.5 Recom m endations for Construction ...................................................................................17
2.5.1 Environm ental Lim itations ......................................................................................... 18
2.5.2 Surface Preparation..................................................................................................... 18
For BCOs ..........................................................................................................................1 8
For W hitetopping/Unbonded Concrete Overlay (UBCO) ............................................... 20
2.5.3 Surface Cleaning ......................................................................................................... 21
2.5.4 Fiber Incorporation ..................................................................................................... 22
2.5.5 Placem ent..................................................................................................................... 23
2.5.6 Jointing......................................................................................................................... 23
2.5.7 Curing [11]................................................................................................................... 24
Chapter 3. Condition Surveys of Existing Concrete Overlays in Texas................................ 27
3.1 Forensic Study of BCO on IH-10 El Paso [45] ..................................................................27
3.2 Forensic Study of BCO on IH-10 Fort W orth [46].............................................................27
3.3 Evaluation Study of First BCO in Texas ............................................................................28
3.4 Evaluation Study of Second BCO in Texas........................................................................29
3.5 Evaluation Study of Third BCO in Texas...........................................................................30
3.6 Houston - SH 146 and SH 225...........................................................................................30
3.6.1 SH 146 Survey ............................................................................................................. 31
3.7 Houston - Beltway 8............................................................................................................32
3.7.1 Condition Survey ........................................................................................................ 32
3.8 Houston - IH 610 N orth .....................................................................................................34
3.8.2 Condition Survey ........................................................................................................ 35
3.9 Houston - IH 610 South .....................................................................................................36
3.10 Sherm an - US 75 (Pre-construction) ................................................................................38
3.10.1 Existing Pavem ent .................................................................................................... 38
3.10.2 Proposed Overlay ...................................................................................................... 39
3.10.3 U S 75 Survey .............................................................................................................39
3.11 Sherm an- U S 75 (Construction)......................................40
3.11.1 Surface Preparation and Placem ent of Reinforcem ents............................................. 40
3.11.2 Placem ent ................................................................................................................. 42
3.11.3 Finishing and Curing........................................... 44
3.11.4 Conclusion ............................................................................................................... 45
3.12 W ichita Falls- U S 281 ....................................................................................................45
3.12.1 Condition Survey ..................................................................................................... 45
3.13 Laredo - IH 35 .................................................................................................................49viii
Upcoming Pages
Here’s what’s next.
Search Inside
This report can be searched. Note: Results may vary based on the legibility of text within the document.
Tools / Downloads
Get a copy of this page or view the extracted text.
Citing and Sharing
Basic information for referencing this web page. We also provide extended guidance on usage rights, references, copying or embedding.
Reference the current page of this Report.
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/m1/10/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.