Study on Salt Release Mechanism of Self-Melting Ice Asphalt Mixture and Its Impact on Road Performance

Authors

LI Tao, Jinan Tongda Highway Engineering Co ., Ltd, Jinan , Shandong 250200 , ChinaFollow
ZHANG Xiu ’ang, Shandong Highway Bridge Testing Center Co ., Ltd., Dongying , Shandong 257092 , China

Abstract

To study the long-term salt release characteri stics of self-melting ice asphalt mixture and the impact of the complete salt release on pavement durability,an accelerated salt release method was developed using a Los Angeles abrasion tester.The salt release mechanism under varying asphalt types,deicing agent contents,and gradation types was revealed.The impact of the complete salt release on road performance was analyzed.Results show that the Los Angeles abrasion tester-based salt release method achieves 91 times and 114 times higher salt release efficiency than the magnetic stirrer and natural immersion methods,respectively.SBS-modified asphalt mixture exhibits a longer salt release duration.The salt release duration is proportional to the deicing agent content.The SMA- 13 self-melting ice asphalt mixture shows relatively poor salt release uniformity.After complete salt release,the high-temperature stability of the self-melting ice asphalt mixture decreases by 31.6%,low-temperature performance by 15.4%,and water stability by 26.7%.

Publication Date

6-23-2025

DOI

10.14048/j.issn.1671-2579.2025.03.006

First Page

46

Last Page

53

Submission Date

August 2025

Recommended Citation

Tao, LI and Xiu ’ang, ZHANG (2025) "Study on Salt Release Mechanism of Self-Melting Ice Asphalt Mixture and Its Impact on Road Performance," Journal of China & Foreign Highway: Vol. 45: Iss. 3, Article 6.
DOI: 10.14048/j.issn.1671-2579.2025.03.006
Available at: https://zwgl1980.csust.edu.cn/journal/vol45/iss3/6

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