Effects of hydrocarbon contamination on the engineering geological properties of Neogene clays and Pleistocene glacial tills from Central Poland

IF 1.1 4区 地球科学 Q3 GEOLOGY Acta Geologica Polonica Pub Date : 2023-07-20 DOI:10.24425/agp.2022.142647
P. Dobak, D. Izdebska-Mucha, Piotr Stajszczak, E. Wojcik, Kamil Kiełbasiński, Ireneusz Gawriuczenkow, Tom Szczepanski, Piotr Zawrzykraj, A. Bąkowska
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Abstract

: Dobak, P., Izdebska-Mucha, D., Stajszczak, P., Wójcik, E., Kiełbasiński, K., Gawriuczenkow, I., Szczepański, T., Zawrzykraj, P. and Bąkowska A. 2022. Effects of hydrocarbon contamination on the engineering geological properties of Neogene clays and Pleistocene glacial tills from Central Poland. Acta Geologica Polonica , 72 (4), 529–555. Warszawa. Petroleum products influence the engineering behaviour of the soil. Neogene clays and glacial tills from Central Poland were tested under laboratory conditions to evaluate the changes of selected physical and mechanical parameters: particle size distribution, particle density, swelling, shear strength and permeability. Four petroleum products were used in the experiments: diesel fuel, kerosene, jet fuel and mineral engine oil. The study revealed that even for the lowest degree of contamination the values of physical and mechanical properties of the soils changed significantly. Greater variation can be expected in soils contaminated with high-viscosity compounds. Also, higher relative changes were found for glacial tills than for Neogene clays. Consolidation tests revealed changes in soil permeability depending on the soil composition and the physical properties of the contaminant – considerable reduction of permeability was observed for glacial tills contaminated with light Jet fuel, while the reduction was lower for Neogene clays. The obtained results indicate the role of mesopores and the dimensionless pore pressure coefficient in changes of soil permeability. The methodological issues regarding testing and analysing the hydrocarbon-contaminated soils were also presented and discussed, which might be useful for researchers studying contaminated soils.
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烃污染对波兰中部新近系粘土和更新世冰川泥工程地质性质的影响
: Dobak, P., Izdebska-Mucha, D., Stajszczak, P., Wójcik, E., Kiełbasiński, K., Gawriuczenkow, I., Szczepański, T., Zawrzykraj, P.和Bąkowska A. 2022。烃污染对波兰中部新近系粘土和更新世冰川泥工程地质性质的影响。地质学报,72(4),529-555。华沙。石油产品影响着土壤的工程特性。在实验室条件下,对波兰中部新近系粘土和冰碛进行了测试,以评估选定的物理力学参数的变化:粒径分布、颗粒密度、膨胀、抗剪强度和渗透性。实验中使用了四种石油产品:柴油、煤油、喷气燃料和矿物油。研究表明,即使在污染程度最低的情况下,土壤的物理和机械特性值也发生了显著变化。在被高粘度化合物污染的土壤中,可以预期更大的变化。此外,冰碛物的相对变化也比新近纪粘土大。固结试验表明,土壤渗透性的变化取决于土壤成分和污染物的物理性质——被轻型喷气燃料污染的冰川坡地渗透性显著降低,而新近纪粘土的渗透性降低较低。研究结果表明,介孔和无量纲孔压系数在土壤渗透性变化中的作用。本文还对碳氢化合物污染土壤的检测和分析方法问题进行了讨论,以期对研究污染土壤的研究人员有所帮助。
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来源期刊
Acta Geologica Polonica
Acta Geologica Polonica 地学-地质学
CiteScore
1.70
自引率
18.20%
发文量
0
审稿时长
>12 weeks
期刊介绍: Acta Geologica Polonica publishes original and review papers on all aspects of basic geology, with particular focus on sedimentology, stratigraphy, palaeontology, regional geology, structural geology, and regional petrography. All papers are published in English.
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