Evaluation of the developed and performance of epoxy resin bonding materials for steel bridge deck pavement layers

IF 7.4 1区工程技术 Q1 CONSTRUCTION & BUILDING TECHNOLOGY

Construction and Building Materials Pub Date : 2024-11-16 DOI:10.1016/j.conbuildmat.2024.139155

Huanan Yu , Xiaolong Feng , Jinguo Ge , Guoping Qian , Chao Zhang , Yixiong Zhong , Wan Dai

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Abstract

The deformation and stress coordination between steel bridge deck pavement (SBDP) were significantly affected by temperature and loading, which made it very prone to interlayer bonding disorders. In order to improve the interlayer bonding properties and service performance of SBDP, this study developed an epoxy asphalt and an epoxy resin, and evaluated the bonding characteristics and mechanical response characteristics of the adhesive layer materials based on performance tests and mechanical simulations. It was found that temperature had a significant effect on the pull-out and shear performance of the bonding layer. The pull-out and shear performance of epoxy asphalt were basically better than that of modified emulsified asphalt, and the pull-out performance could increase 2–3 times or more. Meanwhile, the developed epoxy resin waterproof bonding layer was significantly better than the high viscosity modified asphalt waterproof bonding layer. By performing the overall mechanical analysis, it was shown that the developed epoxy material shared more stress without changing the stress distribution in the SBDP bonding layer. The material could improve the bonding performance without significantly changing the interlayer stress, reduce the disease of SBDP structure, and improve the service life of SBDP. The research results could provide a theoretical basis for the development of high-performance SBDP.

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钢桥面铺装层环氧树脂粘结材料的开发和性能评估

钢桥面铺装（SBDP）的变形和应力协调受温度和荷载的影响较大，极易发生层间粘结紊乱。为了改善 SBDP 的层间粘结性能和使用性能，本研究开发了环氧沥青和环氧树脂，并通过性能测试和力学模拟评估了粘结层材料的粘结特性和力学响应特性。研究发现，温度对粘合层的拉拔和剪切性能有显著影响。环氧沥青的拉拔和剪切性能基本优于改性乳化沥青，拉拔性能可提高 2-3 倍或更多。同时，研制的环氧树脂防水粘结层明显优于高粘度改性沥青防水粘结层。通过整体力学分析表明，所开发的环氧树脂材料在不改变 SBDP 粘结层应力分布的情况下分担了更多的应力。该材料可以在不明显改变层间应力的情况下提高粘结性能，减少 SBDP 结构的病害，提高 SBDP 的使用寿命。该研究成果可为开发高性能 SBDP 提供理论依据。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Construction and Building Materials 工程技术-材料科学：综合

CiteScore

13.80

自引率

21.60%

发文量

3632

审稿时长

82 days

期刊介绍： Construction and Building Materials offers an international platform for sharing innovative and original research and development in the realm of construction and building materials, along with their practical applications in new projects and repair practices. The journal publishes a diverse array of pioneering research and application papers, detailing laboratory investigations and, to a limited extent, numerical analyses or reports on full-scale projects. Multi-part papers are discouraged. Additionally, Construction and Building Materials features comprehensive case studies and insightful review articles that contribute to new insights in the field. Our focus is on papers related to construction materials, excluding those on structural engineering, geotechnics, and unbound highway layers. Covered materials and technologies encompass cement, concrete reinforcement, bricks and mortars, additives, corrosion technology, ceramics, timber, steel, polymers, glass fibers, recycled materials, bamboo, rammed earth, non-conventional building materials, bituminous materials, and applications in railway materials.