Durability of Epoxy Silicone Resin Modified Emulsified Asphalt Micro-surfacing

Fu-qiang LIU , Jin-lin FU , Ping GUO , Fa-yong YANG , Qing-wei MA , Guan-yu LIU , Hua-xin CHEN , Xue-qing BAI , Qiao-hong SUN

Science Technology and Engineering ›› 2025, Vol. 25 ›› Issue (31) : 13594 -13599.

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Science Technology and Engineering ›› 2025, Vol. 25 ›› Issue (31) : 13594-13599 DOI: 10.12404/j.issn.1671-1815.2409433
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Durability of Epoxy Silicone Resin Modified Emulsified Asphalt Micro-surfacing
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Abstract

In order to study the cementing durability of a newly developed epoxy modified silicone resin-SBR compound modified emulsified asphalt (EMSR-SCMEA) on the micro-surfacing aggregate, the long-term moisture damage resistance, long-term wear resistance and long-term anti-slide performance of the epoxy silicone resin modified emulsified asphalt micro-surfacing specimens under different wear times were studied. Results show these as follows. EMSR-SBR will increase the cohesion between asphalt and aggregate, and enhance the stability. The residual stability of EMSR-SCMEA micro-surfacing is better than that of SBR modified emulsified asphalt micro-surfacing, and the composite modification effect of 6% is the best. Under the same wear times, the mass loss rate of SBR modified emulsified asphalt micro-surfacing is much higher than that of EMSR-SCMEA micro-surfacing. The decay rate of swing value and structure depth at EMSR-SCMEA micro-surfacing is slower than that at SBR surfacing. After 20 000 times of accelerated loading, the decay of pendulum value and structure depth becomes stable.

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asphalt pavement / preventive maintenance / micro-surfacing / durability / epoxy silicone resin

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Fu-qiang LIU, Jin-lin FU, Ping GUO, Fa-yong YANG, Qing-wei MA, Guan-yu LIU, Hua-xin CHEN, Xue-qing BAI, Qiao-hong SUN. Durability of Epoxy Silicone Resin Modified Emulsified Asphalt Micro-surfacing. Science Technology and Engineering, 2025, 25(31): 13594-13599 DOI:10.12404/j.issn.1671-1815.2409433

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