Combined utilization of slag, fly ash, and polyacrylamide for sustainable saline soil improvement: a win-win strategy
文献类型：期刊论文
| 作者 | Zhao, Yang4,5; Lu, Zheng4,5; Zhang, Rong3,4; Liu, Jie2; Hu, Changtao2; Tabaroei, Abdollah1; Li, Jian6; Yan, Tingzhou6; Yao, Hailin4 |
| 刊名 | BULLETIN OF ENGINEERING GEOLOGY AND THE ENVIRONMENT
 |
| 出版日期 | 2024-11-01 |
| 卷号 | 83期号:11页码:16 |
| 关键词 | Resource utilization Sustainable development Saline soil improvement Scanning electron microscope analysis |
| ISSN号 | 1435-9529 |
| DOI | 10.1007/s10064-024-03938-w |
| 英文摘要 | Saline soils are always treated as waste materials due to the salt in the soil deteriorating the soil structure, decreasing the strength, and causing salt expansion. Especially for large-scale urbanization in developing countries, how to use the waste saline soils to realize resource utilization, decrease construction costs, and further reduce carbon emissions are the biggest problems for the researchers. Hence, in this research context, a novel solid waste additive composed of slag, fly ash, and polyacrylamide, referred to as SFP, was adopted to investigate its impact on saline soil's improvement and reinforced mechanisms based on a highway project in Urumqi, Xinjiang, China. The investigation involved laboratory experiments and Scanning Electron Microscope (SEM) analysis, specific indicators presenting the Atterberg limits, salt expansion, Unconfined Compressive Strength (UCS), resistance to freeze-thaw (FT) cycles, and water stability. The results demonstrate that the SFP additive can increase the plasticity index of the stabilized soil. From the perspective of salt expansion and UCS, the optimal SFP content is determined to be 15%, resulting in a salt expansion rate of less than 1% and approximately a threefold increase in strength compared to unstabilized saline soil. Also, the SFP additive improved the soil's resistance to freeze-thaw cycles and enhanced water stability. SEM analysis revealed that inorganic compounds underwent chemical reactions with ions in the soil, generating a substantial amount of hydration products. When combined with the polyacrylamide, a synergistic effect substantially improved the geotechnical properties of saline soil. |
| 资助项目 | National Natural Science Foundation of China[42077262] ; National Natural Science Foundation of China[42077261] ; Sichuan Transportation Science and Technology Project[2021-ZL-05] ; The 2022 Annual Transportation Industry Science and Technology Project[2022-ZD-017] ; The 2022 Annual Transportation Industry Science and Technology Project[2022-ZD-018] ; Research Fund Project of Xinjiang Transport Planning Survey and Design Institute Co., Ltd.[KY2022042504] ; Research Fund Project of Xinjiang Transport Planning Survey and Design Institute Co., Ltd.[KY2022042501] ; Research Fund Project of Xinjiang Transport Planning Survey and Design Institute Co., Ltd.[KY2023081601] ; Hubei Provincial Innovation Group Project[2023AFA019] |
| WOS研究方向 | Engineering ; Geology |
| 语种 | 英语 |
| WOS记录号 | WOS:001340653400001 |
| 出版者 | SPRINGER HEIDELBERG |
| 源URL | [http://119.78.100.198/handle/2S6PX9GI/42861]  |
| 专题 | 中科院武汉岩土力学所 |
| 通讯作者 | Lu, Zheng; Zhang, Rong |
| 作者单位 | 1.Eshragh Inst Higher Educ, Dept Civil Engn, Bojnourd 9415615473, Iran 2.Xinjiang Transport Planning Survey & Design Inst C, Urumqi 830006, Peoples R China 3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 4.Chinese Acad Sci, Inst Rock & Soil Mech, State Key Lab Geomech & Geotech Engn, Wuhan 430071, Peoples R China 5.Hubei Key Lab Geoenvironm Engn, Wuhan 430071, Peoples R China 6.Hubei Commun Planning & Design Inst Co Ltd, Wuhan 430051, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zhao, Yang,Lu, Zheng,Zhang, Rong,et al. Combined utilization of slag, fly ash, and polyacrylamide for sustainable saline soil improvement: a win-win strategy[J]. BULLETIN OF ENGINEERING GEOLOGY AND THE ENVIRONMENT,2024,83(11):16. |
| APA | Zhao, Yang.,Lu, Zheng.,Zhang, Rong.,Liu, Jie.,Hu, Changtao.,...&Yao, Hailin.(2024).Combined utilization of slag, fly ash, and polyacrylamide for sustainable saline soil improvement: a win-win strategy.BULLETIN OF ENGINEERING GEOLOGY AND THE ENVIRONMENT,83(11),16. |
| MLA | Zhao, Yang,et al."Combined utilization of slag, fly ash, and polyacrylamide for sustainable saline soil improvement: a win-win strategy".BULLETIN OF ENGINEERING GEOLOGY AND THE ENVIRONMENT 83.11(2024):16. |
入库方式： OAI收割
来源：武汉岩土力学研究所
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