环保型蓄盐沥青混合料性能损伤演变

doi:10.13229/j.cnki.jdxbgxb.20230552

吉林大学学报(工学版) ›› 2025, Vol. 55 ›› Issue (3): 888-898.doi: 10.13229/j.cnki.jdxbgxb.20230552

环保型蓄盐沥青混合料性能损伤演变

俞靖洋^1,²(),李东钊³,张志清¹(),王真⁴,孙海林⁵,布海玲⁴,李明春⁵

^1.北京工业大学交通工程北京市重点实验室，北京 100124
^2.北京市市政工程设计研究总院有限公司，北京 100082
^3.交通运输部公路科学研究所，北京 100088
^4.北京市政路桥建材集团有限公司，北京 100176
^5.中交隧道工程局有限公司，北京 100102

收稿日期:2023-08-04 出版日期:2025-03-01 发布日期:2025-05-20
通讯作者: 张志清 E-mail:yujingyang@emails.bjut.edu.cn;zhangzhiqing@bjut.edu.cn
作者简介:俞靖洋（1994-），男，工程师，博士研究生.研究方向：路面结构与材料.E-mail：yujingyang@emails.bjut.edu.cn
基金资助:
国家重点研发计划冬奥专项项目(2018YFF0300305-03);国家自然科学基金项目(52178403)

Evolution of damage to performance of environment⁃friendly salt storage asphalt mixture

Jing-yang YU^1,²(),Dong-zhao LI³,Zhi-qing ZHANG¹(),Zhen WANG⁴,Hai-lin SUN⁵,Hai-ling BU⁴,Ming-chun LI⁵

^1.Beijing Key Laboratory of Traffic Engineering，Beijing University of Technology，Beijing 100124，China
^2.Beijing General Municipal Engineering Design & Research Institute Co. ，Ltd. ，Road Traffic Institute，Beijing 100082
^3.Research Institute of Highway Ministry of Transport，Beijing，100088 China
^4.Beijing Municipal Road & Bridge Building Material Group Co. ，Ltd. ，Beijing 100176，China
^5.CCCC Tunnel Engineering Co. ，Ltd. ，Beijing 100102，China

Received:2023-08-04 Online:2025-03-01 Published:2025-05-20
Contact: Zhi-qing ZHANG E-mail:yujingyang@emails.bjut.edu.cn;zhangzhiqing@bjut.edu.cn

摘要/Abstract

摘要：

为准确预估环保型蓄盐沥青路面服役过程中降水、凝冰对沥青混合料路用性能的影响，以浸泡-冻融循环试验为基础，研究了沥青混合料的长期路用性能变化规律。结合寿命可靠度理论和损伤原理，考虑水分与冻融耦合作用对蓄盐沥青混合料的影响，建立了在浸泡-冻融条件下的沥青混合料损伤演变模型，对普通沥青混合料和环保型蓄盐沥青混合料路用性能损伤演变状况进行对比分析。试验结果表明：随着浸泡-冻融循环次数的增加，蓄盐沥青混合料的空隙率明显升高，劈裂强度和动稳定度性能指标均有明显下降，且蓄盐沥青混合料的变化幅度始终大于普通沥青混合料。模型计算分析发现，环保型蓄盐沥青混合料在浸泡-冻融循环过程中，随着融雪盐分的析出，受到的损伤是由外及里发展形成的，冻融循环对沥青混合料的劈裂抗拉强度影响更加显著，在一定程度上会影响路面的使用性能。

关键词: 道路工程, 环保型蓄盐沥青混合料, 浸泡-冻融循环, 路用性能, 损伤模型

Abstract:

In order to accurately predict the effect of precipitation and ice condensation on the engineering performance of asphalt mixtures during the service of environmentally friendly salt storage asphalt pavements， the long-term road performance changes of asphalt mixture were studied based on immersion freeze-thaw cycle tests. Based on the theory of life reliability and damage principle， considering the influence of moisture and freeze-thaw cycle on salt storage asphalt mixture， the damage evolution model of asphalt mixture under immersion-freeze-thaw condition was established， and the evolution of engineering performance damage of ordinary asphalt mixture and environmentlly-friendly salt storage asphalt mixture was compared. The experimental results show that with the increase of the number of immersion-freeze-thaw cycles， the porosity of the salt storage asphalt mixture increases obviously， while the performance indexes of splitting strength and dynamic stability decrease obviously， and the variation range of the salt storage asphalt mixture is always greater than that of the ordinary asphalt mixture. According to the model calculation and analysis， under the damage of immersion-freeze-thaw， with the precipitation of snow melting salt， the destruction of environmently-friendly salt storage asphalt mixture is developed from the outside to the inside， and the immersion-freeze-thaw cycle has a more significant effect on the splitting tensile strength of the asphalt mixture， which will affect the pavement performance to a certain extent.

Key words: road engineering, environmentally friendly salt storage asphalt mixture, immersion-freeze-thaw cycle, engineering performance, damage model

中图分类号:

U416

俞靖洋,李东钊,张志清,王真,孙海林,布海玲,李明春. 环保型蓄盐沥青混合料性能损伤演变[J]. 吉林大学学报(工学版), 2025, 55(3): 888-898.

Jing-yang YU,Dong-zhao LI,Zhi-qing ZHANG,Zhen WANG,Hai-lin SUN,Hai-ling BU,Ming-chun LI. Evolution of damage to performance of environment⁃friendly salt storage asphalt mixture[J]. Journal of Jilin University(Engineering and Technology Edition), 2025, 55(3): 888-898.

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试验指标	实测值	规范值	试验方法
针入度（5 s，100 g，25 ℃）/mm	69	60~80	T0604
软化点（R&B）/℃	80.5	≥75	T0606
延度（5 ℃）/cm	39	≥30	T0605
RTFO质量变化/%	-0.168	≤±1.0	T0609
残留针入度比（25 ℃）/%	84.1	≥60	T0604
RTFO残留延度（5 ℃）/cm	27	≥20	T0605

组别	RX替代量/%	筛孔尺寸/mm下通过百分率/%
组别	RX替代量/%	16	13.2	9.5	4.75	2.36	1.18	0.6	0.3	0.15	0.075
1	15	100	94	60.2	29.7	19.7	15.9	13.0	11.1	12.2	10.3
2	30	100	94	60.2	29.7	19.7	15.9	13.0	11.3	12.5	9.7
3	45	100	94	60.2	29.7	19.7	15.9	13.0	11.4	12.6	9.3
4	60	100	94	60.2	29.7	19.7	15.9	13.0	11.0	12.8	8.3

级配分组	蓄盐填料/%	相对毛体积密度	空隙率/%	矿料间隙率/%	沥青饱和度/%	稳定度/kN	流值/mm
规范值	—	—	3.5~4.5	≥17	75~85	≥6	—
1	15	2.507	3.78	17.26	78.01	13.63	4.6
2	30	2.504	3.94	17.22	77.11	13.06	4.3
3	45	2.505	4.05	17.15	76.38	12.64	4.0
4	60	2.508	4.21	17.09	75.36	11.79	3.8

混合料种类	组别	浸泡时间/d	冻融次数/次
蓄盐沥青混合料试件	1	12	2
	2	24	4
	3	36	6
	4	48	8
	5	60	10
普通沥青混合料试件	6	12	2
	7	24	4
	8	36	6
	9	48	8
	10	60	10

混合料类型	性能指标	参数			相关系数R2	实测D₁₀/%	预测D₁₀/%	相对误差/%
混合料类型	性能指标	α	ν	λ₀	相关系数R2	实测D₁₀/%	预测D₁₀/%	相对误差/%
普通沥青混合料	劈裂强度	0.669	0.038	0.030	0.991	28.3	29.2	3.2
普通沥青混合料	动稳定度	0.734	0.015	0.019	0.974	25.3	26.4	4.4
蓄盐沥青混合料	劈裂强度	0.757	0.141	0.106	0.956	49.5	51.8	4.6
蓄盐沥青混合料	动稳定度	0.755	0.076	0.060	0.989	38.8	39.5	1.8

环保型蓄盐沥青混合料性能损伤演变

Evolution of damage to performance of environment⁃friendly salt storage asphalt mixture

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