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Abstract

Asphalt pavement containing salts can delay or suppress road icing by lowering the freezing point. To evaluate the applicability of such pavement in engineering, this study compared the road performance and snow-melting and anti-icing effects of asphalt mastic crushed stone (SMA-13 containing salts) mixed with two salt additives Lvxin Ⅱ (LX Ⅱ) and Mafilon (MFL) through laboratory and field tests. The snow-melting and anti-icing effects of the SMA 13 mixture containing salts and the optimal amount of salt additives were analyzed through conductivity tests, ice-melting tests, and snow-melting tests. Then, the influence of additives on the road performance of the SMA-13 mixture was evaluated. Finally, the snow-melting and anti-icing effects of two different salt SMA-13 mixtures were validated based on the icing and snow conditions in icy and snowy weather. The results show that after long-term aging, the anti-icing components (chlorides) in LX Ⅱ and MFL of the SMA-13 mixture containing salts are more easily precipitated. The two types of salt additives have no significant effect on the water stability of the SMA-13 mixture, only slightly reducing its high-temperature stability and low-temperature crack resistance. In both laboratory and field tests, LX Ⅱ shows better snow-melting and anti-icing effects than MFL.

Publication Date

8-16-2026

DOI

10.14048/j.issn.1671-2579.2026.04.011

First Page

99

Last Page

106

Submission Date

August 2026

Reference

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