High RAP mixes design methodology with balanced performance Page: VII
ix, 35 p. : col. ill. ; 28 cm.View a full description of this report.
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TABLE OF CONTENTS
List of Figures ............................................................................................................................. viii
List of Tables ................................................................................................................................ ix
Chapter 1. Introduction .............................................................................................................. 1
Chapter 2. RAP Variability in Texas ......................................................................................... 3
Chapter 3. Impact of RAP Content on Laboratory .................................................................. 7
M ix P erform ance ........................................................................................................................ 7
Case 1: Granite Aggregates/Virgin PG70-22/RAP1 ........ ......... .............................. ........ 8
Case 2: Gravel Aggregates/Virgin PG64-22/RAP2 .........................................................10
Case 3: Sandstone Aggregates/Virgin PG64-22/RAP3/RAS ............................................... 13
D iscussion ...................................................... ....... ........................... .............................. 15
Chapter 4. RAP Mix Design Methodology with Balancing Rutting/Moisture and
Cracking Resistance........................................................................................................ 17
R A P H andling ........................................................................................................................... 18
Mixing and Compaction Temperatures ....................................................................... 18
Proposed RAP Mix Design Approach with Balanced Rutting and Cracking
R equirem ents ................................................ ...................................................... 21
Chapter 5. Demonstration and Validation of the Balanced RAP Mix Design
Methodology through Field RAP Test Sections ........................................................... 23
RAP Test Sections on IH40 and Observed Field Performance ................................................ 23
RAP Mix Design Information of the Four Test Sections ....................................... ........... 24
Observed Field Performance............................................................................................ 27
RAP Test Sections at Pharr, Texas, on FM1017................................................................... 28
D iscu ssio n ................................................................................................................................. 30
Chapter 6. Summary and Conclusions .................................................................................... 31
References ............................................................................................................................... 33vii
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Zhou, Fujie; Hu, Sheng; Das, Gautam & Scullion, Tom. High RAP mixes design methodology with balanced performance, report, August 2011; College Station, Texas. (https://texashistory.unt.edu/ark:/67531/metapth326755/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.