矿产综合利用2024，Vol.45Issue(3)：143-149,7.DOI:10.3969/j.issn.1000-6532.2024.03.022
铁尾矿沥青混凝土性能研究和红外光谱分析
Performance Research and Infrared Spectroscopy Analysis of Asphalt Concrete with Iron Tailings
王丽 1王有涛 2程和平3
作者信息
- 1. 内江职业技术学院土木工程系,四川 内江 641000
- 2. 贵州省遵义公路管理局,贵州 遵义 563000||辽宁工程技术大学土木工程学院,辽宁 阜新 123000
- 3. 常州工程职业技术学院建筑工程学院,江苏 常州 213164
- 折叠
摘要
Abstract
This is an article in the field of ceramics and composites.The performance of asphalt mixtures with different iron tailings content was analyzed.The rutting resistance,water stability and crack resistance of the asphalt mixture were analyzed.This verified the feasibility of iron tailings applied to the middle surface of low-grade roads.The results showed that the flexural strength decreased the most when the dosage was from 20％to 40％.The increase rate of immersion residue stability began to decrease after the dosage was 20％.As the content of iron tailings continued to increase,the FT-IR spectrum of iron tailings asphalt concrete showed a small,new absorption peak locally and an enhancement to the original absorption peak.This showed that after the addition of iron tailings,the asphalt concrete chemically reacted with it,and the internal structure of the original asphalt was changed and new functional groups were generated.With the increasing content of iron tailings,the proportion of the area of cycloalkane and alkane C-H functional groups in the asphalt concrete of iron tailings asphalt concrete showed a trend of first increasing and then decreasing.And when the iron tailings content was 20％,the area ratio of asphalt naphthenic and alkane C-H functional groups reached the maximum.关键词
陶瓷及复合材料/铁尾矿/抗车辙性能/水稳定性/抗裂性能/吸收峰Key words
Ceramics and composites/Iron tailings/Rutting resistance/Water stability/Crack resistance/Absorption peak分类
矿业与冶金引用本文复制引用
王丽,王有涛,程和平..铁尾矿沥青混凝土性能研究和红外光谱分析[J].矿产综合利用,2024,45(3):143-149,7.
