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Evaluation of the Freeze and Thaw Durability of Road Soils Stabilized with a Biofuel Co-Product

机译：生物燃料副产品稳定的道路土壤的冻融耐久性评估

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In the past decade, the biofuel industry has seen significant development in the United States and all over the world. Based on a review of recent bioenergy literature, it appears the by-products derived during biofuel production may play a positive role in value-added engineering applications. Recent studies at Iowa State University (ISU) demonstrated the successful utilization of biofuel co-products (BCPs) in pavement subgrade stabilization. This paper discusses the effect of three types of BCPs containing different lignin content from lignocellulosic biorefineries on a typical Iowa soil called loess in terms of freeze and thaw durability. Emphasis is given to detailed data analysis of laboratory test results in comparing three types of BCPs treated soils with untreated and cement treated soils. Results reveal that the BCPs investigated in this study are promising materials to improve freeze and thaw durability of the Iowa loess classified as CL-ML or A-4 for geotechnical applications.
机译：在过去的十年中，生物燃料工业在美国和世界各地都观察了重要的发展。根据近期生物能源文学的审查，似乎在生物燃料生产期间的副产品可能在增值工程应用中发挥积极作用。 IOWA州立大学最近的研究（ISU）展示了在路面路面稳定中的生物燃料共同产品（BCP）的成功利用。本文讨论了三种类型的BCP含有不同木质素含量的BCP，在冻结和解冻耐久性方面的典型爱荷华植物中的典型爱荷华州土壤上。重点是对实验室测试的详细数据分析，结果将三种类型的BCPS处理土壤与未经处理的和水泥处理的土壤进行比较。结果表明，该研究中调查的BCP是有前途的材料，以改善IOWA黄土的冻结和解冻耐久性，分类为CL-ML或A-4用于岩土应用。

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