Evaluating the Effect of Environment Acidity on Stabilized Expansive Clay

• Autorzy: Ghaffarpour Jahromi Saeed , Noori Ashkan

Identyfikatory

DOI

10.2478/sgem-2022-0022

• Języki publikacji: EN

Abstrakty

EN

In this article, the effects of environmental acidity on the mechanical and volumetric properties of cement-stabilized clay soils have been investigated through various tests on experimental scale. In this study, a problematic clay was chemically stabilized by cement under three treatment conditions including short term, medium term, and long term with different conditions varying from acid to alkaline environments, which were tested by different methods to evaluate their mechanical and volumetric behavior and properties. Mechanical characteristics assessment tests in this study include compaction tests, and unconfined compressive strength, which was conducted on samples under different conditions in terms of acidity and treatment time. The results of the study indicated that soil improvement by cement increases the mechanical strength and decreases the rate of soil swelling over time and treatment duration. However, the degree of acidity of the environment affects the chemical reactions of soil and cement, especially cement hydration, which causes changes in soil strength and volume variation due to swelling.

Słowa kluczowe

EN

environment acidity; engineering properties; volumetric changes; clay; chemical stabilization

• Wydawca: De Gruyter
• Czasopismo: Studia Geotechnica et Mechanica
• Rocznik: 2023
• Tom: Vol. 45, nr 1
• Strony: 14--27
• Opis fizyczny: Bibliogr. 51 poz., rys., tab.

Twórcy

autor

Ghaffarpour Jahromi Saeed

• Faculty of Civil Engineering, Shahid Rajaee Teacher Training University, Tehran, Iran

• https://orcid.org/0000-0002-3033-7195

autor

Noori Ashkan

• PhD Candidate, School of Civil Engineering, Nanjing Forestry University, Nanjing, 210037, China

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Uwagi

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023).