Mixed Formulation of Finite Strip Method
A least square formation of finite strip method is presented. The method uses a mixed formulation of both stresses and displacements, and minimizes the sum of the square of the residual....

Interface Properties of Sands
Previous studies are reviewed and experiments are performed on the interface properties of sand. It is shown that shear stiffness and roughness values are of primary importance in the...

Axisymmetric Parabolic Loading of Anistropic Halfspace
The complete formulation and solution of a boundary value problem, referred to as a frictionless loading case, are presented. An analytical solution to the problem of adhesive parabolic...

Stiffness Coefficients of Elastic Medium
Using the theory of elasticity, values of stiffness coefficients for vertical and horizontal modes are evaluated for cases for which solutions are not available. Three types of pressure...

Slope Safety Prediction under Static and Seismic Loads
A simplified procedure permitting the determination of the probability of failure of natural or man-built slopes under static and seismic conditions is presented. Limit equilibrium is...

Simulation of Earthquake Motions in the Centrifuge
The present study is mainly concerned with the design of an earthquake simulator package for the generation of a sinusoidal motion during a centrifuge test. It was then used to excite...

Spatial Variability of the Undrained Strength of Clays
The objective of this study is to provide a simple yet accurate procedure for the description of the spatial variability of the undrained shear strength Su...

New Models for Rock Joints and Interfaces
Two new developments and refinements in the modeling of rock structures are presented: a new model for axisymmetric interfaces, such as found in footing designs, and a new model which...

Earth Pressures against Rigid Retaining Walls
This paper outlines the results of unique shaking table experiments to determine neutral and active static and dynamic stresses and the points of application of corresponding total thrust...

Vadose Zone Permeability Tests: Summary
Solutions to determine saturated hydraulic above a water table by means of constant head borehole infiltration tests are summarized and critiqued. Analytical solutions are available for...

Vadose Zone Permeability Tests: Steady State Results
Free surface and saturated-unsaturated flow models are applied to the problem of constant head borehole infiltrat1on tests for determining saturated hydraulic conductivity above a water...

Bridge Loading: Research Needed
The need for research in areas of bridge loading is examined. It is argued that one reason research is incomplete is poor definition of the requirements. The main priorities for research...

Simplified Analysis of Bundled-Type Structures
A simplified method is presented for the analysis of bundled tube structures subjected to lateral loads. The rigidly-jointed perimeter and interior web frame panels are replaced by equivalent...

Buckling in Steel U-Shaped Beams
Coupled behavior of overall and local buckling of U-shaped beams subjected to uniform bending moment is presented. A finite strip method is applied to the coupled buckling analysis and...

Estimates of Design Wind from Short Records
Wind speeds of various average return periods are estimated from the series of hourly mean wind speeds assumed independent. This hypothesis of independence is suggested by characteristics...

Design Life Simulation of a PCRV
A nonlinear three-dimensional finite element program was used to analyze the prestressed concrete reactor vessel (PCRV) of a high-temperature gas-cooled reactor. The various loading conditions...

Investigation of Concrete: PMC Composite
This paper presents the results of an experimental investigation on the behavior of concrete - Polymer Modified Concrete two-layered composite beams (PMC). Sixteen simply supported beam...

Minimax Finite Element Method
The minimax method is applied to boundary value problems of structural mechanics. This is a weighted residual method in which the absolute value of a residual is minimized. It is similar...

Buckling of Pretwisted Columns
The effect of pretwist on the buckling load of column is presanted. A finite element formulation is developed for the stability analysis of pretwisted columns. Numerical examples are used...

Loadings for Electrical Transmission Structures
As the costs of high-voltage electrical transmission lines have increased, greater attention is being given to the weather element loads that influence the structure cost. Minimizing the...

 

 

 

 

Return to search