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聚合物改性沥青混合料力学性能的评估与比较

Evaluation and Comparison of Mechanical Properties of Polymer-Modified Asphalt Mixtures.

作者信息

Alsolieman Hamad Abdullah, Babalghaith Ali Mohammed, Memon Zubair Ahmed, Al-Suhaibani Abdulrahman Saleh, Milad Abdalrhman

机构信息

Department of Civil Engineering, College of Engineering, King Saud University (KSU), Riyadh 11451, Saudi Arabia.

Center for Transportation Research, Department of Civil Engineering, University of Malaya (UM), Kuala Lumpur 50603, Malaysia.

出版信息

Polymers (Basel). 2021 Jul 12;13(14):2282. doi: 10.3390/polym13142282.

DOI:10.3390/polym13142282
PMID:34301044
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8309400/
Abstract

Polymer modification is extensively used in the Kingdom of Saudi Arabia (KSA) because the available asphalt cement does not satisfy the high-temperature requirements. It was widely used in KSA for more than two decades, and there is little information regarding the differences in the performance of different polymers approved for binder modification. Pavement engineers require performance comparisons among various polymers to select the best polymer for modification rather than make their selection based on satisfying binder specifications. Furthermore, the mechanical properties can help select polymer type, producing mixes of better resistance to specific pavement distresses. The study objective was to compare the mechanical properties of the various polymer-modified asphalt (PMA) mixtures that are widely used in the Riyadh region. Control mix and five other mixes with different polymers (Lucolast 7010, Anglomak 2144, Pavflex140, SBS KTR 401, and EE-2) were prepared. PMA mixtures were evaluated through different mechanical tests, including dynamic modulus, flow number, Hamburg wheel tracking, and indirect tensile strength. The results show an improvement in mechanical properties for all PMA mixtures relative to the control mixture. Based on the overall comparison, the asphalt mixture with polymer Anglomk2144 was ranked the best performing mixture, followed by Paveflex140 and EE-2.

摘要

聚合物改性在沙特阿拉伯王国（KSA）被广泛应用，因为现有的石油沥青无法满足高温要求。它在沙特阿拉伯王国被广泛使用了二十多年，而关于已批准用于粘结剂改性的不同聚合物性能差异的信息却很少。路面工程师需要对各种聚合物的性能进行比较，以选择最佳的聚合物进行改性，而不是仅仅基于满足粘结剂规范来做出选择。此外，力学性能有助于选择聚合物类型，从而生产出对特定路面病害具有更好抗性的混合料。本研究的目的是比较利雅得地区广泛使用的各种聚合物改性沥青（PMA）混合料的力学性能。制备了对照混合料和其他五种含有不同聚合物（Lucolast 7010、Anglomak 2144、Pavflex140、SBS KTR 401和EE - 2）的混合料。通过不同的力学试验对PMA混合料进行了评估，包括动态模量、流动值、汉堡轮辙试验和间接拉伸强度。结果表明，所有PMA混合料相对于对照混合料的力学性能都有所改善。基于总体比较，含有聚合物Anglomk2144的沥青混合料被评为性能最佳的混合料，其次是Paveflex140和EE - 2。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0a8b/8309400/1ca07b0a41f4/polymers-13-02282-g012.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0a8b/8309400/87d2214c0e55/polymers-13-02282-g011.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0a8b/8309400/b749ad70c36c/polymers-13-02282-g001.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0a8b/8309400/1d8efcd105f1/polymers-13-02282-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0a8b/8309400/c96ca2101af2/polymers-13-02282-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0a8b/8309400/e533d46bd8b5/polymers-13-02282-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0a8b/8309400/be5665913b4b/polymers-13-02282-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0a8b/8309400/40c80e9c0ecd/polymers-13-02282-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0a8b/8309400/87d2214c0e55/polymers-13-02282-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0a8b/8309400/1ca07b0a41f4/polymers-13-02282-g012.jpg

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