The novel rapid curing pavement maintenance seal with a low environmental impact: Preparation and performance evaluation

IF 6.1 1区工程技术 Q1 ENGINEERING, MECHANICAL Wear Pub Date : 2025-04-15 Epub Date: 2025-02-14 DOI:10.1016/j.wear.2025.205919

Qian Chen , Xiang Lan , Anquan Li , Xiaolong Sun , Chaohui Wang

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Abstract

The purpose is to explore innovative applications of polyurethane elastomer in pavement maintenance, and broaden the technical approaches for pavement preventive maintenance. Using polyurethane elastomer as the base material, a novel rapid curing pavement maintenance seal with a low environmental impact was developed. The interlayer bonding performance of the seal under various construction conditions was analyzed. The surface functions of the seal, including skid resistance, abrasion resistance, and waterproof performance, were investigated. The structure and material composition of the polyurethane elastomer maintenance seal were optimized to suit different road conditions. The anti-glare ability of the polyurethane elastomer seal was evaluated. The results indicated that the polyurethane elastomer seal can form a relatively mature interlayer bonding performance within 1 h–3 h after preparation, with a bonding strength ranging from 1.2 MPa to 1.3 MPa. The abrasion value of the polyurethane elastomer seal was less than 200 mg/m². Among them, the seal using emery exhibited the best abrasion resistance, with an abrasion value of only 3–5 mg/m². Texture depth was 0.60–0.66 mm. British pendulum number was 70–82. The water permeability coefficient was 0, indicating excellent waterproof performance. The surface reflectance was 50 cd/m² to 150 cd/m², satisfying the basic requirements for anti-glare ability on pavements and posing no threat to driving safety.

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低环境影响的新型快速固化路面养护密封：制备及性能评价

旨在探索聚氨酯弹性体在路面养护中的创新应用，拓宽路面预防性养护的技术途径。以聚氨酯弹性体为基材，研制了一种低环境影响的快速固化路面养护密封材料。分析了不同施工条件下密封件的层间粘结性能。研究了密封的表面功能，包括防滑性、耐磨性和防水性能。对聚氨酯弹性体维修密封的结构和材料组成进行了优化，以适应不同路况。对聚氨酯弹性体密封的防眩光性能进行了评价。结果表明，聚氨酯弹性体密封在制备后1 h - 3 h内可形成相对成熟的层间粘接性能，粘接强度在1.2 MPa ~ 1.3 MPa之间。聚氨酯弹性体密封的磨损值小于200mg /m2。其中，使用金刚砂的密封件耐磨性最好，磨损值仅为3 ~ 5 mg/m2。纹理深度为0.60-0.66 mm。英国的钟摆数是70-82。透水系数为0，防水性能优良。表面反射率为50 ~ 150 cd/m2，满足路面抗眩光能力的基本要求，不会对行车安全构成威胁。

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来源期刊

Wear 工程技术-材料科学：综合

CiteScore

8.80

自引率

8.00%

发文量

280

审稿时长

47 days

期刊介绍： Wear journal is dedicated to the advancement of basic and applied knowledge concerning the nature of wear of materials. Broadly, topics of interest range from development of fundamental understanding of the mechanisms of wear to innovative solutions to practical engineering problems. Authors of experimental studies are expected to comment on the repeatability of the data, and whenever possible, conduct multiple measurements under similar testing conditions. Further, Wear embraces the highest standards of professional ethics, and the detection of matching content, either in written or graphical form, from other publications by the current authors or by others, may result in rejection.