Finite Element Analysis of Triaxial Tests of a New Composite Reinforced Soil

2010 ◽  
Author(s):  
Huang Xiangjing ◽  
Jiang Jianqing
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Reinforced Soil ◽  
Triaxial Tests ◽  
Element Analysis

Finite Element Analysis of El Infiernillo Dam

1973 ◽  
Vol 10 (2) ◽  
pp. 129-144 ◽  
Author(s):  
N. A. Skermer
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Soil Structure ◽  
Triaxial Tests ◽  
Soil Parameters ◽  
Element Analysis ◽  
The Core ◽  
Rockfill Dam ◽  
The Finite Element Analysis ◽  
Fundamental Understanding

A simple trapezoidal element is presented for use in the analysis of thin core rockfill dams with nonlinear soil parameters. Handling of nonlinear soil parameters and allowance for the intermediate principal stress in plane strain problems are discussed. The analysis of El Infiernillo rockfill dam using trapezoids in the core and transitions, and variable Young's modulus and Poisson's ratio, reveals the transfer of stress that takes place around the core. Comparisons of strain observations at El Infiernillo Dam with results from the analysis are good, except in zones of compacted rockfill. It appears that the actual stiffness of compacted granular fills may be seriously underestimated, if soil parameters are based on data obtained from triaxial tests on normally consolidated samples. A fundamental understanding of soil deformation behavior would lead to an improvement in the finite element analysis of soil structure.

scholarly journals Semi-analytical finite element analysis of a strip footing on an elastic reinforced soil

1998 ◽  
Vol 22 (4-5) ◽  
pp. 331-349 ◽  
Author(s):  
K. Chandrashekhara ◽  
S. Joseph Antony ◽  
Debashish Mondal
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Reinforced Soil ◽  
Strip Footing ◽  
Element Analysis

Evaluation of Long-Term Performance of Pavement Drainage Layers on I-469 in Indiana

2008 ◽  
Vol 2045 (1) ◽  
pp. 77-84 ◽  
Author(s):  
Thomas D. White ◽  
A. Samy Noureldin ◽  
Dwayne Harris ◽  
John E. Haddock
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Subsurface Drainage ◽  
Pavement Performance ◽  
Triaxial Tests ◽  
Shear Stresses ◽  
Element Analysis ◽  
Drainage Layers ◽  
Falling Weight

Subsurface drainage is important for long-term pavement performance. Rational procedures to analyze and evaluate the design, reliability, and effectiveness of subsurface drainage systems are needed in order for their use to be recommended with confidence. Three pavement subdrainage test sections were constructed in 1995 on the eastbound driving lane of I-469 in Indiana, at the northern junction with I-69, between Stations 150+05 and 173+40. Presented are the original laboratory characterization and mechanistic evaluation for permanent deformation and stability of the test sections employing finite element analysis. Triaxial tests were conducted on all pavement layers of the sections. Falling weight deflectome-ter evaluations in 1995 and 1998 are also presented. Such measurements are not available after 1998 because compliance with Indiana Department of Transportation safety regulations is required at that location. Finite element analyses were conducted by using laboratory-measured material properties to predict pavement response to falling weight deflec-tometer loads, compare predicted and measured deflections, examine layer shear stability for shear stress and strength, and predict rutting. Long-term pavement performance indicators up until 2007 (including international roughness index and ground penetration radar), after 12 years of heavy truck traffic, are also presented. Finite element analysis predicted very well the deflections measured by the falling weight deflectometer and accumulated rutting of the three test sections. Comparisons of shear stresses and strengths indicated that the sections were stable. All long-term evaluations indicated that all drainage layers in the study sections have performed their function adequately and protected the subgrade.

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