Equivalent Stress Equation for Unsaturated Soils. I: Equivalent Stress

Rojas, Eduardo

doi:10.1061/(asce)1532-3641(2008)8:5(285)

Cited by 31 publications

(15 citation statements)

References 21 publications

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“…Most of these equations are empirically based and are defined independently from the volume change equation, which, if incorporated into a constitutive model, may lead to inconsistency with the yield surface as discussed in the Section above. Rojas [94,95] presented an analytical expression for Bishop's parameter v in terms of the saturated fraction and S r of the unsaturated fraction of the soil and used it to interpret shear strength. One issue with this approach is that v cannot be easily determined either experimentally or theoretically.…”

Section: Shear Strengthmentioning

confidence: 99%

Review of fundamental principles in modelling unsaturated soil behaviour

Sheng

2011

Computers and Geotechnics

199

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Section: Shear Strengthmentioning

confidence: 99%

Review of fundamental principles in modelling unsaturated soil behaviour

Sheng

2011

Computers and Geotechnics

199

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“…Based on these concepts and by analyzing the stresses induced on the solid particles of an unsaturated material subject to certain load, an equivalent stress equation has been established [7]. The equivalent stress is related to the stresses between solid particles and is responsible for the strength of unsaturated soils.…”

Section: Equivalent Stress Equationmentioning

confidence: 99%

A probabilistic solid-porous model to determine the shear strength of unsaturated soils

Rojas

Horta

López-Lara

et al. 2011

Probabilistic Engineering Mechanics

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“…19). Rojas [50] has conducted a similar analysis of the concept of effective stress in unsaturated soil. He relies on previous results by Haines [51], Murray [52] and Desai et al [53].…”

Section: Stress States In Unsaturated Soilsmentioning

confidence: 99%

Behavior of materials for earth and rockfill dams: Perspective from unsaturated soil mechanics

Alonso

Cardoso²

2010

Front. Archit. Civ. Eng. China

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The basis of the design of earth and rockfill dams is focused on ensuring the stability of the structure under a set of conditions expected to occur during its life. Combined mechanical and hydraulic conditions must be considered since pore pressures develop during construction, after impoundment and in drawdown. Other instability phenomena caused by transient flow and internal erosion must be considered. The prediction of the hydromechanical behavior of traditional and non-traditional materials used in the construction of dams is therefore fundamental. The materials used for dam's construction cover a wide range from clayey materials to rockfill. In a broad sense they are compacted materials and therefore unsaturated materials. A summary of the current level of knowledge on the behavior of traditional materials used in the construction of dams is presented in the paper. Regular compacted materials (with a significant clay fraction), rockfill and compacted soft rocks are studied with more detail. The latter are non-traditional materials. They are analysed because their use, as well as the use of mixtures of soil and rock, is becoming more necessary for sustainability reasons.

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Equivalent Stress Equation for Unsaturated Soils. I: Equivalent Stress

Cited by 31 publications

References 21 publications

Review of fundamental principles in modelling unsaturated soil behaviour

Review of fundamental principles in modelling unsaturated soil behaviour

A probabilistic solid-porous model to determine the shear strength of unsaturated soils

Behavior of materials for earth and rockfill dams: Perspective from unsaturated soil mechanics

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