研究了新用聚合物改性沥青对含再生沥青路面热拌沥青性能的影响

Q3 Earth and Planetary Sciences

Scientific Review Engineering and Environmental Sciences Pub Date : 2021-10-08 DOI:10.22630/pniks.2021.30.3.38

Osamah Chafat, Sahar Al-Ghurab, B. Al-Humeidawi

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引用次数: 0

摘要

目前的研究重点是研究再生沥青路面(RAP)对聚合物改性沥青(PMB)粘结剂制备的热拌沥青(HMA)性能的影响。该PMB首次与包含RAP的HMA一起使用。HMA的机械性能和性能通过几种标准测试进行评估，包括马歇尔、间接拉伸强度、蠕变顺应性和车轮轨迹测试。在HMA中，RAP替换量高达总集料的70%，增量为10%。研究结果表明，在常规沥青中加入新酚醛固体树脂(酚醛固体树脂)制备的PMB粘结剂，可显著提高含RAP HMA的性能。同时，在HMA中置换RAP的最佳比例为总集料的50%。对于这种水平的更换，车辙深度减少到原来的38%。

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Investigation the effect of newly used polymer modified bitumen on the performance of hot mix asphalt containing reclaimed asphalt pavement

The current research focuses on investigating the effect of using reclaimed asphalt pavement (RAP) on performance of hot mix asphalt (HMA) prepared with polymer modified bitumen (PMB) binder. This PMB used for the first time with HMA contained RAP. The mechanical properties and performance of HMA were assessed using several standard tests including Marshall, indirect tensile strength, creep compliance, and wheel track test. The RAP replacement was conducted up to 70% of total aggregate in HMA with an increment of 10%. The results of investigation showed, that the use of PMB binder prepared by addition novolac (phenol formaldehyde solid resin) and hexamine to conventional bitumen, significantly improved the performance of HMA contained RAP. Also, the optimum percentage of RAP replacement was found to be 50% of total aggregate in HMA. For this level of replacement, the rut depth reduced up to 38% of its original value.

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来源期刊

Scientific Review Engineering and Environmental Sciences Earth and Planetary Sciences-Earth-Surface Processes

CiteScore

1.50

自引率

0.00%

发文量

审稿时长

26 weeks

期刊介绍： Scientific Review Engineering and Environmental Sciences [Przegląd Naukowy Inżynieria i Kształtowanie Środowiska] covers broad area of knowledge and practice on fields such as: sustainable development, landscaping of non-urbanized lands, environmental engineering, construction projects engineering land management, protection and land reclamation, environmental impact of investments, ecology, hydrology and water management, ground-water monitoring and restoration, geotechnical engineering, meteorology and connecting subjects. Authors are welcome to submit theoretical and practice-oriented papers containing detailed case studies within above mentioned disciplines. However, theoretical papers should contain part with practical application of the theory presented. Papers (in Polish or English languages) are accepted for publication after obtaining positive opinions of two reviewers. Papers published elsewhere are not accepted.