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Numerical Modelling for the Investigation of Soil Arching in Dense Sand
When a portion of the soil mass yields, redistribution of stresses takes place between the yielding mass and the adjoining non-yielding soil. This phenomenon is known as soil arching. Several trapdoor experiments were performed with different improvements and extensions over the past few decades to study soil arching. Numerical modelling of a trapdoor mechanism is performed in this study, and the suitability of the Mohr–Coulomb model and Hardening Soil model have been studied and compared. The Mohr–Coulomb model is generally being used for the numerical analysis considering its simplicity. An advanced soil model can be used to create more realistic soil response. The Hardening Soil model is an effective and better model to simulate the real soil behaviour in terms of stress dependency, nonlinearity and inelasticity. The present study highlights salient advantages of Hardening Soil model over Mohr–Coulomb model for the numerical modelling of trapdoor mechanism.
Numerical Modelling for the Investigation of Soil Arching in Dense Sand
When a portion of the soil mass yields, redistribution of stresses takes place between the yielding mass and the adjoining non-yielding soil. This phenomenon is known as soil arching. Several trapdoor experiments were performed with different improvements and extensions over the past few decades to study soil arching. Numerical modelling of a trapdoor mechanism is performed in this study, and the suitability of the Mohr–Coulomb model and Hardening Soil model have been studied and compared. The Mohr–Coulomb model is generally being used for the numerical analysis considering its simplicity. An advanced soil model can be used to create more realistic soil response. The Hardening Soil model is an effective and better model to simulate the real soil behaviour in terms of stress dependency, nonlinearity and inelasticity. The present study highlights salient advantages of Hardening Soil model over Mohr–Coulomb model for the numerical modelling of trapdoor mechanism.
Numerical Modelling for the Investigation of Soil Arching in Dense Sand
Lecture Notes in Civil Engineering
Latha Gali, Madhavi (editor) / P., Raghuveer Rao (editor) / Idiculla, George Tharakan (author) / Nadgouda, Kshitija (author) / Dasaka, Satyanarayana Murty (author)
2020-09-19
12 pages
Article/Chapter (Book)
Electronic Resource
English
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