Stability Analysis of Unsaturated Cut Slopes Due to Rainfall Infiltration (Case Study-Khoda Afarin Main Irrigation Canal)

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Sattari D.; HAJIALILUE BONAB M.; Arabpour Javadi A.

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Paper Information

Journal: Irrigation and Drainage Structures Engineering Research Year:2020 | Volume:20 | Issue:77 Page(s): 131-152

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Information Journal Paper

Title

Stability Analysis of Unsaturated Cut Slopes Due to Rainfall Infiltration (Case Study-Khoda Afarin Main Irrigation Canal)

Author(s)

Sattari D. | HAJIALILUE BONAB M. | Arabpour Javadi A. | Issue Writer Certificate

Keywords

FDMQ1

HCFQ1

Pore Water PressureQ1

RETCQ1

SSRQ1

SWCCQ1

Unsaturated SoilQ1

Abstract

Introduction: The stability of unsaturated slopes during rainfall is an important natural hazard. Past studies have shown that slope failures generally occur during or after rainfall. A review of past studies shows that instability of natural or excavated slopes for infrastructure construction occurs mainly during or after rainfall. Due to rainfall infiltration into Unsaturated Soil, the apparent cohesion and shear strength provided by matrix suction reduces d, resulting in slope instability. Library studies for this research, revealed that in recent years, extensive studies have been conducted on the rainfall infiltration in unsaturated slopes and their effect on shear strength and stability. But much of the research has been on high-intensity rainfall over a short period of time, however, some instability of slopes occurs during long-term rainfall or after rainfall. In addition to field research and physical modeling, numerical methods have also been developed to solve complex problems of Unsaturated Soils within the framework of various scientific theories in recent years. In this paper, in addition to considering the results of previous studies, the stability of the excavated soils with multiple berms has been investigated by considering transient fluid-mechanical coupled analysis...

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APA: Copy

Sattari, D., HAJIALILUE BONAB, M., & Arabpour Javadi, A.. (2020). Stability Analysis of Unsaturated Cut Slopes Due to Rainfall Infiltration (Case Study-Khoda Afarin Main Irrigation Canal). IRRIGATION AND DRAINAGE STRUCTURES ENGINEERING RESEARCH , 20(77 ), 131-152. SID. https://sid.ir/paper/396467/en

Vancouver: Copy

Sattari D., HAJIALILUE BONAB M., Arabpour Javadi A.. Stability Analysis of Unsaturated Cut Slopes Due to Rainfall Infiltration (Case Study-Khoda Afarin Main Irrigation Canal). IRRIGATION AND DRAINAGE STRUCTURES ENGINEERING RESEARCH [Internet]. 2020;20(77 ):131-152. Available from: https://sid.ir/paper/396467/en

IEEE: Copy

D. Sattari, M. HAJIALILUE BONAB, and A. Arabpour Javadi, “Stability Analysis of Unsaturated Cut Slopes Due to Rainfall Infiltration (Case Study-Khoda Afarin Main Irrigation Canal),” IRRIGATION AND DRAINAGE STRUCTURES ENGINEERING RESEARCH , vol. 20, no. 77 , pp. 131–152, 2020, [Online]. Available: https://sid.ir/paper/396467/en

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