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首页> 外文期刊>Journal of industrial and engineering chemistry >Characterization of liquid state sulfur polymer/epoxy blend as asphalt pavement materials
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Characterization of liquid state sulfur polymer/epoxy blend as asphalt pavement materials

机译：液态硫聚合物/环氧混合物作为沥青路面材料的表征

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In this study, a liquid state sulfur polymer (LSP) was employed as asphalt pavement materials. The LSP/epoxy asphalt (LSPA) was easily fabricated by mixing LSP and epoxy resin at room temperature. The workability of as-mixed LSP/epoxy mixture was explored by controlling the ratio of epoxy. The asphalt mixture with the epoxy content below 50 wt% exhibited reliable flowability above approximately 12.5 cm. The solidification of LSP was successfully accompanied by simultaneous curing of epoxy. For practical application of pavement on road, the Marshall stability, indirect tensile strength and wheel tracking test were performed. The Marshall stability and indirect tensile strength of the LSPA exhibited an approximate 2-fold increase compared to neat asphalt. Moreover, exceptional durability of the LSPA was achieved through the controllable crushed depth of the pavement under wheel passes of 25,000 cycles. For practical repairing test on the road, the LSPA was cast on a pothole prepared on asphalt road. Our as cast asphalt materials were suitable to heal potholes with seamless interface and the hardening was accomplished within a very short time of 1 h. The hardened LSPA exhibited excellent adhesion strength of approximately 1.95 MPa, enabling the elimination of gaps arising from traffic cycles and climate variation. (C) 2017 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
机译：本研究采用液态硫聚合物（LSP）作为沥青路面材料。通过在室温下将LSP与环氧树脂混合，可以很容易地制备LSP/环氧沥青（LSPA）。通过控制环氧树脂的配比，研究了LSP/环氧树脂混合料的工作性能。环氧含量低于50 wt%的沥青混合料在大约12.5 cm以上表现出可靠的流动性。LSP的固化成功地伴随着环氧树脂的同时固化。针对路面的实际应用，进行了马歇尔稳定性试验、间接抗拉强度试验和车轮跟踪试验。与纯沥青相比，LSPA的马歇尔稳定性和间接拉伸强度增加了约2倍。此外，在25000次循环的车轮通过下，通过可控的路面压碎深度，LSPA实现了卓越的耐久性。为了在道路上进行实际修复试验，将LSPA浇筑在沥青路面上准备的坑洞上。我们的铸态沥青材料适用于修补无缝界面的凹坑，硬化在很短的1小时内完成。硬化后的LSPA表现出约1.95 MPa的优异粘合强度，能够消除交通周期和气候变化产生的间隙。（C） 2017年，韩国工业与工程化学学会。由爱思唯尔B.V.出版。版权所有。

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