Mapping of Slope Failures on Highway Embankments using Electrical Resistivity Imaging (ERI), Unmanned Aerial Vehicle (UAV), and Finite Element Method (FEM) Numerical Modeling for Forensic Analysis

Nobahar, Masoud; Salunke, Rakesh; Alzeghoul, Omer Emad; Khan, Mohammad Sadik; Amini, Farshad

doi:10.1016/j.trgeo.2023.100949

Cited by 8 publications

(2 citation statements)

References 49 publications

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“…In the rainy season, rainwater permeates the soil layer through these cracks. Through repeated wetting and drying cycles, the infiltrated rainwater establishes a perched condition within the slope, elevating the moisture content and reducing the soil's matric suction [6,7]. The clay mineralogy of the soil influences the physical and engineering characteristics of fine-grained soil, including factors such as liquid limit, compressibility, and shear strength [8].…”

Section: Introductionmentioning

confidence: 99%

Impact of Vetiver Plantation on Unsaturated Soil Behavior and Stability of Highway Slope

Rahman,

Chakraborty,

Khan

et al. 2024

Geosciences

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Due to cyclic wetting and drying, the hydro-mechanical behavior of unsaturated soil is impacted significantly. In order to assess the soil strength parameters, knowing the unsaturated behavior is important. Soil moisture content is an important parameter that can define the shear strength of the soil. Most of the highway slopes of Mississippi are built on highly expansive clay. During summer, the evaporation of moisture in the soil leads to shrinkage and the formation of desiccation cracks, while during rainfall, the soil swells due to the infiltration of water. In addition to this, the rainwater gets trapped in these cracks and creates perched conditions, leading to the increased moisture content and reduced shear strength of slope soil. The increased precipitation due to climate change is causing failure conditions on many highway slopes of Mississippi. Vetiver, a perennial grass, can be a transformative solution to reduce the highway slope failure challenges of highly plastic clay. The grass has deep and fibrous roots, which provide additional shear strength to the soil. The root can uptake a significant amount of water from the soil, keeping the moisture balance of the slope. The objective of the current study is to assess the changes in moisture contents of a highway slope in Mississippi after the Vetiver plantation. Monitoring equipment, such as rain gauges and moisture sensors, were installed to monitor the rainfall of the area and the moisture content of the soil. The data showed that the moisture content conditions were improved with the aging of the grass. The light detection and ranging (LiDAR) analysis was performed to validate the field data obtained from different sensors, and it was found that there was no significant slope movement after the Vetiver plantation. The study proves the performance of the Vetiver grass in improving the unsaturated soil behavior and stability of highway slopes built on highly expansive clay.

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Section: Introductionmentioning

confidence: 99%

Impact of Vetiver Plantation on Unsaturated Soil Behavior and Stability of Highway Slope

Rahman,

Chakraborty,

Khan

et al. 2024

Geosciences

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“…By collecting data such as roller position and rolling times in real time, the rolling quality is monitored in real time through the terminal. In addition, many scholars have used numerical simulation software to calculate and analyze high fill embankments from various aspects such as filling, load, vibration compaction, and different structural forms [8][9][10]. These conclusions indicate that there are various factors affecting the settlement and stability of high embankments.…”

Section: Introductionmentioning

confidence: 99%

Study on the Method of Divisional Filling for High Fill Embankment Based on Settlement Control

Xiao,

Liu,

Xie

et al. 2023

Advances in Frontier Research on Engineering Structures

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The high embankment is divided into two types of zones according to the settlement amount, the pavement settlement affected zone which mainly controls the embankment settlement and the non-pavement settlement affected zone which mainly controls the slope stability. Based on the functions and bearing capacity of the two types of zones, according to the characteristics analysis of the packing gradation and compaction curve, the relationship between the compaction degree and the elastic modulus and CBR, the classification method of the filling, the pre-zoning method of the excavation area and the filling selection method are proposed; taking the high fill embankment of granite residual soil as an example, this paper also analyzes the zoning filling methods of high fill embankment from excavation zoning, filling selection, zoning paving and filling to intelligent compaction control, which provides a new idea for controlling the construction quality of high embankment; Finally, by using finite element software to compare and analyze the non soil rock mixed filling scheme, the bottom cushion soil rock mixed filling scheme and the partition filling scheme, it is concluded that the partition scheme can achieve the effect of land saving by steepening the slope with its high stability coefficient advantage over other filling schemes.

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Geophysical and numerical approaches to solving the mechanisms of landslides triggered by earthquakes: A case study of Kahramanmaraş (6 February, 2023)

Sari

2024

Engineering Science and Technology, an International Journal

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Mapping of Slope Failures on Highway Embankments using Electrical Resistivity Imaging (ERI), Unmanned Aerial Vehicle (UAV), and Finite Element Method (FEM) Numerical Modeling for Forensic Analysis

Cited by 8 publications

References 49 publications

Impact of Vetiver Plantation on Unsaturated Soil Behavior and Stability of Highway Slope

Impact of Vetiver Plantation on Unsaturated Soil Behavior and Stability of Highway Slope

Study on the Method of Divisional Filling for High Fill Embankment Based on Settlement Control

Geophysical and numerical approaches to solving the mechanisms of landslides triggered by earthquakes: A case study of Kahramanmaraş (6 February, 2023)

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