ANALYSIS OF THE BITUMEN BINDING MODIFICATION SYSTEM FOR COLD PAINTING MIXTURES (CPMS)
Keywords:
Bitumen, modification, cold patch mixtures (CPMs), polymer bitumen, SBS, WER, hybrid binder, viscoelasticity, low temperature.Abstract
This article analyzes the modification methods used for binders in Cold Patch Mixes (CPMs) to enhance their strength and durability. The study examined the composition and mechanisms of action of traditional polymers such as Styrene-Butadiene-Styrene (SBS) and Styrene-Butadiene Rubber (SBR), as well as new composite modifications, including Microcapsules, Water-Soluble Epoxy Resin (WER), and Hybrid binders. The analysis demonstrates that modification significantly increases resistance to rutting at high temperatures and cracking at low temperatures, thereby extending the service life of CPMs in various weather conditions.
References
1.Stuart, K., Mogawer, W., "Understanding the performance of modified asphalt binders in mixtures: Permanent deformation using a mixture with diabase aggregate," Publication No. FHWA-RD-02-042, Federal Highway Administration, McLean, VA, December 2001, 67 pp.
2.AASHTO T315-02, "Determining the rheological properties of asphalt binder using a dynamic shear rheometer (DSR)," AASHTO Standards, American Association of State Highway and Transportation Officials, Washington, D.C., 2002.
3.Rowe, G., D'Angelo, J., Sharrock, M., "Use of the Zero Shear Viscosity as a Parameter for the High-Temperature Binder Specification Parameter," Paper presented at the 3rd International Symposium on Binder Rheology and Pavement Performance, San Antonio, TX, September 23-24, 2002.
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