再生材料与BGA对沥青混凝土混合料性能的影响

Q3 Engineering

Open Civil Engineering Journal Pub Date : 2023-06-01 DOI:10.28991/cej-2023-09-06-09

N. Pradani, R. Irmawaty, M. Tjaronge, I. R. Rahim

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引用次数: 2

摘要

由于路面材料的供应有限和成本高，路面回收是一种适合道路路面结构的施工和修复技术。本研究旨在用布顿颗粒沥青(BGA)替代再生混合料中的细骨料，改善再生混合料的路面性能。混合料中再生材料(再生沥青路面/RAP)的比例被限制在总混合料重量的20%和30%。在RAP变化的混合物中分别添加3%、6%和9%的BGA。通过间接拉伸强度(ITS)测试获得了混合料的性能。ITS测试结果表明，与未添加RAP和BGA的混合物相比，添加RAP和BGA的混合物的ITS值平均提高了4.7-15%。添加RAP后，材料的韧性指数(TI)提高了3.5 ~ 19.8%。添加3% BGA后，TI值呈先升高后降低的趋势，最高可达9% BGA水平。结果表明，在混合料中加入30% RAP和3% BGA可改善混合料的路用性能，并可提高混合料的弹性和抗断裂性能。Doi: 10.28991/CEJ-2023-09-06-09全文:PDF

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The Effect of Recycled Material and Buton Granular Asphalt (BGA) on Asphalt Concrete Mixture Performance

Pavement recycling is an appropriate technology for constructing and restoring road pavement structures due to the limited supply and high cost of pavement materials. This study aims to improve the recycled mix's performance by replacing the fine aggregate in the recycled mix for road pavement with Buton Granular Asphalt (BGA). The percentage of recycled material (Reclaimed Asphalt Pavement/RAP) in the mixture was limited to 20% and 30% by weight of the total mixture. BGA was added by 3%, 6%, and 9% in each mixture with the RAP variation. Mixture performance was obtained through Indirect Tensile Strength (ITS) testing. The ITS test results showed that the ITS value of the mixture with RAP and BGA increased by an average of 4.7–15% compared to the mixture without RAP and BGA. The Toughness Index (TI) value increased by 3.5–19.8% with the addition of RAP. With the addition of 3% BGA, the TI value tends to increase and subsequently decrease up to 9% BGA levels. The result indicated that adding 30% RAP and 3% BGA to the mixtures improved pavement performance and could be a solution to increase the elasticity and fracture resistance of the mixture. Doi: 10.28991/CEJ-2023-09-06-09 Full Text: PDF

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来源期刊

Open Civil Engineering Journal Engineering-Civil and Structural Engineering

CiteScore

1.90

自引率

0.00%

发文量

期刊介绍： The Open Civil Engineering Journal is an Open Access online journal which publishes research, reviews/mini-reviews, letter articles and guest edited single topic issues in all areas of civil engineering. The Open Civil Engineering Journal, a peer-reviewed journal, is an important and reliable source of current information on developments in civil engineering. The topics covered in the journal include (but not limited to) concrete structures, construction materials, structural mechanics, soil mechanics, foundation engineering, offshore geotechnics, water resources, hydraulics, horology, coastal engineering, river engineering, ocean modeling, fluid-solid-structure interactions, offshore engineering, marine structures, constructional management and other civil engineering relevant areas.