Production of sustainable hot mix asphalt from the iron ore overburden residues

被引：2
作者：
Shamsi, Mohammad [1 ]
Zakerinejad, Mohammad [2 ]
机构：
[1] Univ Hormozgan, Dept Civil Engn, POB 7916193145, Bandarabbas, Iran
[2] GoharZamin Iron Ore Co, POB 571-78185, Sirjan, Iran
来源：
TRANSPORTATION RESEARCH PART D-TRANSPORT AND ENVIRONMENT | 2023年 / 123卷
关键词：
Hot mix asphalt; Resource utilization; Iron ore overburden; Cost-benefit analysis; Microwave radiation; Electrical conductivity; WASTE; PERFORMANCE; MIXTURES; BITUMEN; AGGREGATE; STRENGTH; BEHAVIOR; SURFACE; SLAG; ASH;
D O I：
10.1016/j.trd.2023.103926
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
This study aims to evaluate the effects of the utilization of iron ore overburden (IOO) materials compared to virgin aggregates (VA) on the characteristics of hot mix asphalt (HMA) considering Topeka and binder layers. Mechanical performances, environmental impacts, electrical sensitivity, and deicing efficiency of laboratory HMA samples and field cores were investigated by Marshall stability, toxic characteristics leaching procedure (TCLP), electrical resistivity, and microwave heating efficiency tests. Furthermore, economical aspects were considered for the novel IOO pavements by cost-benefit analysis (CBA) in local pavements of the Goharzamin mine site (as a case study) and in Iran (as a large-scale application). Results show that all IOO samples meet the minimum requirements of technical specifications with low chemical risks of large-scale use. The magnetization characteristic and the surface temperature of IOO field cores were raised with the increase of IOO replacement ratios. According to CBA, this new HMA has significant economic benefits.
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页数：18
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