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Strain-Space Plasticity Formulation for Hardening-Softening Materials with Elasto-Plastic Coupling
The paper emphasizes the theoretical aspects in modeling softening behavior in engineering materials such as concretes, rocks, and soils. A general form of strain-space formulation of plasticity based on Il'yushin's postulate is provided and the fracturing theory proposed by Dougill, which attributes the stiffness degradation of a granular type of material to the fracturing process, is discussed. Dougill's fracturing theory is then combined with the conventional plasticity theory and the softening behavior of a concrete element failed in a mixed crushing/cracking model is modeled.
Strain-Space Plasticity Formulation for Hardening-Softening Materials with Elasto-Plastic Coupling
The paper emphasizes the theoretical aspects in modeling softening behavior in engineering materials such as concretes, rocks, and soils. A general form of strain-space formulation of plasticity based on Il'yushin's postulate is provided and the fracturing theory proposed by Dougill, which attributes the stiffness degradation of a granular type of material to the fracturing process, is discussed. Dougill's fracturing theory is then combined with the conventional plasticity theory and the softening behavior of a concrete element failed in a mixed crushing/cracking model is modeled.
Strain-Space Plasticity Formulation for Hardening-Softening Materials with Elasto-Plastic Coupling
D. J. Han (author) / W. F. Chen (author)
1984
39 pages
Report
No indication
English
Soil & Rock Mechanics , Construction Equipment, Materials, & Supplies , Construction Materials, Components, & Equipment , Plastic properties , Elastic properties , Concretes , Mathematical models , Plastic deformation , Degradation , Fracturing , Nonlinear differential equations , Stiffness , Rocks , Soils , Strains , Failure , Concrete construction , Engineering materials
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