scholarly journals Inducing stress-strain relationship for element simulation of cyclic triaxial test on unsaturated soil

2015 ◽  
Vol 16 (8) ◽  
pp. 5654-5663 ◽  
Author(s):  
Chung-Won Lee
Keyword(s):  
Unsaturated Soil ◽  
Triaxial Test ◽  
Cyclic Triaxial Test ◽  
Stress Strain ◽  
Cyclic Triaxial ◽  
Element Simulation ◽  
Strain Relationship

scholarly journals Stress-Strain Relationship for Unsaturated Soil.

2000 ◽  
pp. 153-164
Author(s):  
Michinori HONDA ◽  
Atsushi IIZUKA ◽  
Katsuyuki KAWAI ◽  
Daizo KARUBE
Keyword(s):  
Unsaturated Soil ◽  
Stress Strain ◽  
Strain Relationship

Sand deformation under proportional loading

1986 ◽  
Vol 23 (2) ◽  
pp. 155-163 ◽  
Author(s):  
D. Negussey ◽  
Y. P. Vaid
Keyword(s):  
Relative Density ◽  
Triaxial Test ◽  
Stress Ratio ◽  
Proportional Loading ◽  
Stress Strain ◽  
Independent State ◽  
State Variable ◽  
Strain Components ◽  
Strain Relationship ◽  
Observed Behaviour

A fundamental experimental study of sand behaviour under low stress ratio proportional loading wherein all strain components are contractant is presented. Experimentally observed behaviour under stress conditions of the triaxial test led to a coherent framework for representing proportional loading stress–strain response. The stress–strain relationship formulated incorporates relative density as an inherent independent state variable and does not require appeal to material isotropy. Key words: triaxial test, proportional loading, sand, relative density, energy density, stress increment, strain increment.

scholarly journals Down-Hole Triaxial Test to Measure Average Stress-Strain Relationship of Rock Mass

2003 ◽  
Vol 43 (5) ◽  
pp. 53-62 ◽  
Author(s):  
Kazuo Tani ◽  
Takashi Nozaki ◽  
Susumu Kaneko ◽  
Yoshinori Toyo-Oka ◽  
Hideo Tachikawa
Keyword(s):  
Rock Mass ◽  
Triaxial Test ◽  
Average Stress ◽  
Stress Strain ◽  
Strain Relationship ◽  
Relationship Of

Dynamic Stress-Strain Relationship of Saturated Clay by Dynamic Triaxial Test

2011 ◽  
Vol 250-253 ◽  
pp. 3183-3186
Author(s):  
Jian Yi Yuan
Keyword(s):  
Triaxial Test ◽  
Dynamic Stress ◽  
Soft Clay ◽  
Confining Pressure ◽  
Dynamic Shear ◽  
Stress Strain ◽  
Dynamic Triaxial Test ◽  
Wide Range ◽  
Strain Relationship ◽  
Relationship Of

Subgrade diseases are exposed more and more serious with raising speed of existing railway in wide range. Fro the complexity of dynamic stress-strain relationship of soil, dynamic triaxial test was used to analyze .the dynamic mechanics behavior under cyclic train load for saturated soft clay in Yangtze Delta region. Compaction coefficient, confining pressure, dynamic shear strsss ratio, inputing stimulus and loading frequence were taken into account in test. The results show that the dynamic stress-strain curves of soil specimen are provided with prominent hysteretic characteristics and area surrounded by hysteretic curves gradually augment and slope of hysteretic curve decreases with the increase of dynamic shear train amplitude. The strong correlation exists between dynamical stress and strain.

Stress–Strain Relationship for Metal Hollow Sphere Materials as a Function of Their Relative Density

2006 ◽  
Vol 74 (5) ◽  
pp. 898-907 ◽  
Author(s):  
D. Karagiozova ◽  
T. X. Yu ◽  
Z. Y. Gao
Keyword(s):  
Relative Density ◽  
Hollow Sphere ◽  
Deformation Energy ◽  
Large Strains ◽  
Test Results ◽  
Stress Strain ◽  
Hexagonal Packing ◽  
Element Simulation ◽  
Theoretical Predictions ◽  
Strain Relationship

The stress–strain relationship for uniaxial compression of a metal hollow sphere material in large strains is obtained using a simplified model for the spheres’ deformation within a 3D block assuming a hexagonal packing pattern. The yield strength and material strain hardening are obtained as functions of the relative density in two characteristic loading directions. The expression for the stress–strain relationship consisting of quadratic and linear terms with respect to the relative density is linked to the partitioning of the deformation energy during compression. The theoretical predictions are compared with limited test results on mild steel hollow sphere material and finite element simulation results obtained by our group.

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