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六同步高性能纤维磨耗层设计与性能评价

Design and Performance Evaluation of Six-synchronous High-performance Fiber Wear Seal

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为解决当前纤维碎石封层养护效率低、层间黏结性能差和集料易飞散脱落等问题,提出了一种可一次性将层间黏结剂、乳化沥青、纤维、集料、乳化沥青和固化剂6层材料快速、均匀摊铺的六同步纤维磨耗层技术,并研究了纤维类型、集料级配、乳化沥青洒布比例和施工方式对六同步纤维磨耗层性能的影响.研究结果表明,当采用玻璃纤维,上、下两层乳化沥青的洒布比例为7∶3,集料为3~5 mm单档集料,或采用10%的1~3 mm和90%的3~5 mm两档集料组合时,六同步纤维磨耗层具有较好的层间黏结强度和抗剪强度,并兼具优异的抗滑性能和防水性能.
To address the issues of low maintenance efficiency,poor interlayer bonding performance,and easy shedding of aggregates in cur-rent fiber-stone seal applications,this paper proposes a six-synchronous fiber wear layer technology that enables the rapid and uniform spreading of six layers of materials,including interlayer bonding agents,emulsified asphalt,fibers,aggregates,and curing agents in a single op-eration.The study examines the impact of fiber type,aggregate gradation,emulsified asphalt distribution ratio,and construction method on the performance of the six-synchronous fiber wear layer.The results show that when using glass fibers,with a 7:3 distribution ratio of emulsified asphalt between the upper and lower layers,and either single-grade 3-5 mm aggregates or a combination of 10%1-3 mm and 90%3-5 mm aggregates,the six-synchronous fiber wear layer achieves enhanced interlayer bonding strength and shear strength.Furthermore,it features ex-cellent anti-slip and waterproofing properties.

fiber wear layersix-synchronous construction technologyinterlayer bonding strengthinterlayer shear strengthskid resistance

黄国锋、黄山、刘黎萍、闫兴非、马鲜妮、韩占闯、李鹏辉、袁龄卿

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上海龙盼市政建设工程有限公司,上海 201204

同济大学道路与交通工程教育部重点实验室,上海 201804

上海市城市建设设计研究总院(集团)有限公司,上海 200125

纤维磨耗封层 六同步施工工艺 层间黏结强度 抗剪强度 抗滑性能

2024

上海公路
上海市公路管理处,上海市公路学会

上海公路

影响因子:0.325
ISSN:1007-0109
年,卷(期):2024.(z1)