Monitoring the strength properties of electrokinetically treated soil by bender elements to determine the treatment period

Hunter, Colin; Mohamedelhassan, Eltayeb; Sadhu, Ayan

doi:10.1016/j.sandf.2021.02.005

Cited by 6 publications

(2 citation statements)

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“…Developing soil strength or bearing capacity requires improvement efforts to increase soil shear strength, decrease swelling index, and thus improve soil bearing capacity. The high content of ions and mineralogy such as monmorillonite, smectite, bentonite, beidellite, vermiculite, atapulgite, nontronite, illite, chlorite, and some sulfate salts in clay soil results in the soil having a considerable shrinkage-swelling ability [1]- [3]. Soil conditions that swell during the rainy season and shrink during the dry season result in decreased bearing capacity and structural failure.…”

Section: Introductionmentioning

confidence: 99%

“…Therefore, it is necessary to conduct a study that can improve the properties and characteristics of clay soil. The electrochemical injection method that uses the potential difference in direct electric current is one of the alternatives to clay soil stabilization [1]- [4] Clay soil has a negative ion, which, when it meets the positive ion that water has, the water will be trapped and bound in the clay minerals, and then the clay soil will swell. Therefore, it is necessary to consider an effort to stabilize the clay minerals.…”

Section: Introductionmentioning

confidence: 99%

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Effect of Salt Solution in Electrochemical Stabilization with Variation of Potential Difference on Clay's Shear Strength

Darmiyanti,

Wiharja

2024

Reka Buana

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Clay is one of the problematic soils in Indonesia, with a distribution in Java of close to 20% of surface pedology. The biggest problem with clay soil is its ability to swell when it absorbs water and shrink when the water content decreases. Indonesia's tropical climate, where only the rainy and dry seasons, significantly affects clay's swelling potential, hindering the soil's mechanical properties. The significant expansion potential causes the soil to have a slight shear angle, which affects its bearing capacity. This condition underlies the urgency of clay soil improvement to increase the shear strength of the soil. Electrochemical stabilization is one of the effective methods for soils with low permeability. This study aimed to determine the most optimum voltage in electrochemical stabilization using a salt solution. The electrochemical process is used in soil stabilization. This method is used to improve soils with low permeability and high plasticity index (18%), which results in increased bearing capacity and decreased soil development. This study was conducted with four different stress scenarios, and from the results of testing the mechanical properties of the soil, it was found that the greatest shear strength occurred at a stress of 12V. Stabilization of clay soil by electrochemistry can be inferred from the research to increase the value of soil shear strength and affect the increase in soil bearing capacity.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%