Application of variable moduli models to soil behavior

Nelson, Ivan; Baron, Melvin L.

doi:10.1016/0020-7683(71)90111-9

Cited by 29 publications

(11 citation statements)

References 2 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Remarkably, compared to the other variable moduli models commonly used in geotechnical engineering (Kondner, 1963;Duncan and Chang, 1970;Nelson and Baron, 1971), the proposed model not only accounts for nonlinear behaviors, but considers the shear induced volumetric coupling behavior. Moreover, compared to the previous model , which can only describe shear-induced dilation, this model is modified to simulate either shear-induced dilation or compression.…”

Section: Discussionmentioning

confidence: 96%

A simple model for geo‐materials involving shear‐induced anisotropic degradation

Weng¹,

Jeng

Tsai³

et al. 2010

Journal of the Chinese Institute of Engineers

View full text Add to dashboard Cite

When geo-materials, such as soil, gravelly soil and soft rocks, are loaded by shear stress, they frequently exhibit volumetric deformation, either dilation or compression, that cannot be modeled by conventional elasticity of isotropic material. This study aims, using as few parameters as possible, to develop a material model designed to simulate the main deformation of geo-materials. A constitutive model based on the concept of shear-induced anisotropic degradation is proposed. The proposed constitutive model is characterized by the following features: (1) significant shear-induced volumetric deformation prior to failure, (2) modulus stiffening under hydrostatic loading and degradation under shearing; (3) stress-induced anisotropy; and (4) being versatile in representing many geo-materials and their behaviors under various stress paths.In the proposed model, the deformational moduli, E, G, and G′, vary according to stress state. The stiffening and degradation of these moduli render the deformational behavior of geo-materials. The proposed model needs only six material parameters, all of which possess physical meaning and can be easily obtained. Finally, the versatility of the proposed model is demonstrated by simulating various geo-materials such as sandstone, gravelly soil and shale loaded under different stress paths.

show abstract

Section: Discussionmentioning

confidence: 96%

A simple model for geo‐materials involving shear‐induced anisotropic degradation

Weng¹,

Jeng

Tsai³

et al. 2010

Journal of the Chinese Institute of Engineers

View full text Add to dashboard Cite

show abstract

“…Compared to the linear elastic model and variable moduli models commonly used in geotechnical engineering [27][28][29], this proposed elastic model has extended the conventional models and is capable of describing nonlinear and shear-induced volumetric coupling deformations of weak sandstone.…”

Section: Elastic Modelmentioning

confidence: 99%

An associated elastic–viscoplastic constitutive model for sandstone involving shear-induced volumetric deformation

Weng¹,

Tsai²,

Hsieh³

et al. 2010

International Journal of Rock Mechanics and Mining Sciences

View full text Add to dashboard Cite

“…The behavior of the soil was described using a hypoelastic, variable modulus treatment [29,30]. The relationship between the stress increments ds ij and the strain increments dε ij was defined as…”

Section: Constitutive Modelsmentioning

confidence: 99%

The influence of water, dry sand, and unsaturated sand constitutive behavior on the blast response of a rigid target

Fox

Lee

2014

International Journal of Impact Engineering

View full text Add to dashboard Cite

Application of variable moduli models to soil behavior

Cited by 29 publications

References 2 publications

A simple model for geo‐materials involving shear‐induced anisotropic degradation

A simple model for geo‐materials involving shear‐induced anisotropic degradation

An associated elastic–viscoplastic constitutive model for sandstone involving shear-induced volumetric deformation

The influence of water, dry sand, and unsaturated sand constitutive behavior on the blast response of a rigid target

Contact Info

Product

Resources

About