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RIS3D Dynamic Elastoplastic Constitutive Model of Concrete within the Framework of Rate-Dependent Consistency Condition
Publisher: ASCE
Abstract: In this paper, the proposed yield function is the function of stress, hardening parameter, and strain rate. To fully describe the stress state and strain rate condition of material during dynamic loading, a new coordinate ...
Formula of Passive Earth Pressure and Prediction of Tunneling-Induced Settlement in Anisotropic Ground Based on a Simple Method
Publisher: ASCE
Abstract: The existence of soil anisotropy makes the strength and deformation of the ground dependent on the loading direction, which should be considered in some geotechnical engineering designs. This paper introduces the anisotropic ...
A Nonorthogonal Elastoplastic Model for Overconsolidated Clay
Publisher: American Society of Civil Engineers
Abstract: The constitutive model in geotechnical engineering plays a critical role, driving the need for ongoing research and improvement. In this study, by utilizing a single yield curve and only one hardening parameter, a nonorthogonal ...
Development of a New Nonlinear Unified Strength Theory for Geomaterials Based on the Characteristic Stress Concept
Publisher: American Society of Civil Engineers
Abstract: There is a need for a unified strength criterion, which is a variable suitable for describing the different strength properties of different types of geomaterials. There have been efforts to develop unified strength criteria; ...
Bearing Capacity and Failure Mechanism of Strip Footings on Anisotropic Sand
Publisher: ASCE
Abstract: Sand typically exhibits anisotropic internal structure (or fabric), and the fabric anisotropy has a dramatic influence on the mechanical behavior of sand. Meanwhile, the fabric evolves when sand is subjected to external ...
Double Scalar Variables Plastic-Damage Model for Concrete
Publisher: ASCE
Abstract: A framework of the plastic-damage model with double scalar variables is established in nominal stress space under the small deformation assumption. In the damaged part, a damage tensor composed of double scalar variables ...
Static–Dynamic Combined Multiaxial Strength Criterion for Concrete
Publisher: ASCE
Abstract: The physical mechanism of the static–dynamic combined (S–DC) multiaxial strength of concrete is investigated considering cohesive and frictional strength. It is determined that the strain rate effects and stress state ...
Material Distribution Planning Method and Experimental Verification under Multinode and Multivehicle Scene
Publisher: American Society of Civil Engineers
Abstract: In the construction process of construction engineering, there exist a complex construction site layout and multiequipment collaborative work. If a reasonable construction plan cannot be made quickly and accurately, the ...
A Dynamic Elastoplastic Model of Concrete Based on a Modeling Method with Environmental Factors as Constitutive Variables
Publisher: ASCE
Abstract: This paper develops a modeling method with an incremental stress–strain–environment constitutive model to predict the change in the plastic mechanical behavior of concrete caused by environmental action. The model regards ...