Soil anisotropic stress-strain prediction using Normalised Rotational Multiple Yield Surface Framework (NRMYSF) for compacted tropical residual sandy soils

Alias, Asmidar; Noor, Mohd Jamaludin Md; Jais, Ismacahyadi Bagus Mohamed

doi:10.1088/1757-899x/527/1/012018

Cited by 2 publications

(3 citation statements)

References 8 publications

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“…As a result, the average percentage error for Sample CD-A and Sample CD-B decreased from 3.51% to 1.64% and 2.77% to 1.41%, respectively. This similar to the result by [3], [15]. The new framework is capable to predict stress-strain curve better than RMYSF.…”

Section: Resultssupporting

confidence: 86%

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Prediction of Soil Settlement on Soft Clay Soil Using Normalized Rotational Multiple Yield Surface Framework (Nrmysf)

Hamid

Noor²,

Alias³

et al. 2022

Jurnal Teknologi

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Soft clays are highly compressible, high-water content, low shear strength, and have poor permeability, which result in significant settlement under long-term loads. Therefore, one of the most challenging geotechnical engineering problems is to predict the settlement from soft clay soil. Normalized Rotational Multiple Yield Surface Framework (NRMYSF) is developed from the soil stress-strain behaviour and shear strength characteristic. It is able to estimate the stress-strain curve for shear strength in triaxial tests. The consolidated drained (CD) triaxial tests and conventional 1-dimensional consolidation of oedometer has been conducted on soft clay soil. The settlement soil prediction was compared between the NRMYSF and conventional 1-dimensional consolidation under Terzaghi’s principle. The NRMYSF prediction model was smaller than the conventional oedometer by 0.1459m to 0.1431m for Sample A, and by 0.1890m to 0.1398m for Sample B. Therefore, this method has the potential to predict the settlement of soft clay soils.

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Section: Resultssupporting

confidence: 86%

“…In equation 1, the ratio of maximum strains value over the selected strains at failure were calculated. According to these researcher [3], [15], the new framework is capable to predict stress-strain curve better than RMYSF. Normalized = (Max.…”

Section: Methodsmentioning

confidence: 99%

Prediction of Soil Settlement on Soft Clay Soil Using Normalized Rotational Multiple Yield Surface Framework (Nrmysf)

Hamid

Noor²,

Alias³

et al. 2022

Jurnal Teknologi

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“…Strain values are transformed to maximum strain at failure by applying specific factor. This method (NRMYSF) is used to reach a linear, more robust relationship along with smoothing data, generalization of data and construct of new characteristic thus more accurate prediction data are offered [14]. Prediction of stress-strain values need the reversion of data set using inverse factor, then difference error can be calculated.…”

Section: Rotational Multiple Yield Surface Framework (Rmysf)mentioning

confidence: 99%

Prediction of Stress-Strain Response Using Rotational Multiple Yield Surface Framework in Malaysian Residual Soil

Alias

Noor

Rahman

2020

KEM

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Soil settlement is normally quantified using conventional soil volume change models which are solely based on the effective stress and the role of shear strength is ignored due to the difficulties to incorporate in the framework. The Rotational Multiple Yield Surface Framework (RMYSF) is a soil volume change model developed from the standpoint of the interaction between the effective stress and shear strength. RMYSF incorporates the development of mobilised shear strength within the body of the soil whenever the soil is subjected to anisotropic compression. Currently the framework has been applied to predict the soil anisotropic stress-strain behaviour at any effective stress. This paper present the enhancement of this volume change framework using normalisation of axial strain with the understanding that the failure axial strain is not unique, but increases as the effective stress increases. This technique has essentially produced a better accuracy in the prediction of the stress-strain response for Malaysian residual soils. A series of drained tri-axial tests under various effective stresses has been conducted using specimens of 50mm diameter and 100mm height and from the stress-strain curves the inherent mobilised shear strength envelopes at various axial strains have been determined. These mobilised shear strength envelopes were then applied for the prediction of the soil stress-strain response. An excellent agreement between the predicted and the actual stress-strain curves has been achieved.

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Soil anisotropic stress-strain prediction using Normalised Rotational Multiple Yield Surface Framework (NRMYSF) for compacted tropical residual sandy soils

Cited by 2 publications

References 8 publications

Prediction of Soil Settlement on Soft Clay Soil Using Normalized Rotational Multiple Yield Surface Framework (Nrmysf)

Prediction of Soil Settlement on Soft Clay Soil Using Normalized Rotational Multiple Yield Surface Framework (Nrmysf)

Prediction of Stress-Strain Response Using Rotational Multiple Yield Surface Framework in Malaysian Residual Soil

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