TECHNICAL REPORT STANDARD TITLE PAGE I I. Repo•t No. 3. Rec1p1ent'' Cotolo9 No. TX-91/1902-lF USE, AVAILABILITY AND COST-EFFECTIVENESS September 1990 OF ASPHALT RUBBER IN TEXAS 6. Petfo•n11n1 0•9on11011on Cod" 7 4.,t!.or 1 s: Cindy K. Estakhri, Emmanuel G. Fernando, Joe W. Button and George R. Teetes 9. Perrorm1n9 Or9ono1at1on Nome and Add••u Texas Transportation Institute The Texas A&M University System College Station, Texas 77843-3135 Research Report 1902-lF 10. Worlt Unit No. 11. Contract o• Cront No. Study No. 2-8-90-1902 I 3. Type of Report and Perood Co••••d 12. Spo,.aoron9 •11•ncy Nom• ond Adcltua _______________ .,. F. l September 1989 1na - Texas State Department of Highways and Public September 1990 Transportation; Transportation Planning Division P. 0. Box 5051 14. Spon1orrn9 A9ency Code I Austin, Texas 78763 IS. Supple,.utntory No••• Research performed for the State of Texas. 16. Alutrocl f h A study was conducted or t e Texas State Department of Highways and Public Transportation (SDHPT) by the Texas Transportation Institute (TTI) to address the following issues: (1) the current extent of usage of asphalt rubber by the Department (2) the availability of crumb rubber produced from scrap tires and the availability of asphalt rubber in the State of Texas, and (3) the oost-effectiveness of asphalt rubber as compared to conventional paving materials based on existing information and on the experience of Department personnel. Published information was canvassed, phone interview with knowledgeable Depart- nent personnel were conducted, and existing laboratory information was evaluated. The rexas SDHPT currently utilizes asphalt rubber in four different applications. They are listed below in descending order of their volume of asphalt rubber consumption: (1) chip seal or stress absorbing membrane (SAM) construction, (2) stress absorbing nembrane interlayer (SAMI) construction, (3) crack and/or joint sealing, and (4) hot- asphalt concrete pavement construction (on a very limited experimental basis). applications of asphalt rubber are described in detail in the body of this Appendix A contains descriptions of current and proposed innovative uses scrap tires other than in asphalt pavements which could potentially consume all pf the scrap tires produced in the United States. 17. Ker Worda Asphalt rubber, scrap tires, crumb rubber, ground tire rubber, stress absorbing membrane(SAM), stress absorb- ing membrane 1nterlayer(SAMI) 11. Diattillutie11 $tet-ent No restrictions. This document is available to the public through the National Technical Information Service 5285 Port Royal Road Sprin2field, 22161 20. S.cufitr Cleuif. (ef thi1 , ... , 21. Ne. •f P ... , 22. Price Unclassified Unclassified 108 For111 DOT F 1700.7 ll•tt• l I I
USE, AVAILABILITY AND COST-EFFECTIVENESS OF ASPHALT RUBBER IN TEXAS
Jun 20, 2023
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