Durability of Composite-Modified Asphalt Mixture Based on Inherent and Improved Performance

Haitao Zhang and Mingyang Gong

A chapter in Sustainable Construction and Building Materials from IntechOpen

Abstract: The composite performance of modified asphalt and composite-modified asphalt mixture (CMAM) is divided into inherent performance and improved performance. The inherent performance refers to the original performance of the virgin asphalt and asphalt mixture. The improved performance refers to the performance obtained by modifying the virgin asphalt. In the study, the modified asphalt and asphalt mixture were tested through a series of experiments. The antiaging durability of the modified asphalt is explored based on the inherent performance and improved performance at high and low temperatures. The antiaging durability of the modified asphalt mixture is explored based on the inherent performance and improved performance at the mechanical performance. Meanwhile, based on inherent and improved performances, this chapter uses three kinds of CMAM (4% SBS/3% SBR, 4% SBS/15% rubber, and 4% SBR/15% rubber) as research objects to test the change rule of mechanical properties. This chapter outlines CMAM design, mechanical property tests, and comparative durability analysis.

Keywords: composite-modified asphalt mixture; inherent and improved performances; durability; test; comparative analysis (search for similar items in EconPapers)
JEL-codes: L70 (search for similar items in EconPapers)
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Persistent link: https://EconPapers.repec.org/RePEc:ito:pchaps:164171

DOI: 10.5772/intechopen.81824

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