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Sensitivity Analysis of Connection Stiffness in Orthogonal Frames with End-Plate Connections
According to AISC-LRFD specification (1986), two types of construction for steel frame structure can be assumed which are Type PR (partially restrained) and FR (fully restrained) constructions....

Buckling of Frames with Load-Dependent Supports
The supports of frames may increase their rotational resistance as they are compressed. It is assumed here that this stiffening is a linear function of the load. Sway and nonsway buckling...

Stability Analysis of Nonlinear Frames
The second stiffness method for large deformation in-elastic stability analysis of frames is discussed. Displacement control methods for tracing the path beyond the limit point are presented....

Postbuckling Analysis of Composite Stiffeners under Uniaxial Compression
This paper presents an analytical and experimental study conducted for postbuckling of I-section stiffeners. A stability analysis was carried out to determine postbuckling response of...

Factors Affecting the Incremental Stiffness of Particle Assemblies
A simple numerical experiment was performed on an assembly of densely packed spheres in order to investigate the factors that affect an assembly's incremental stiffness. The...

Seismic Analysis of Buried Pipelines Subjected to Vertical Fault Movement
Earthquakes have demonstrated the vulnerability of buried pipelines, mainly to 'non-dynamic' seismic deformations of the ground, such as liquefaction, landslide...

Influence of Rigidity of Soil Surrounding Shield Tunnel Upon Equivalent Rigidity of the Tunnel in Axial Direction
The purpose of this study is to investigate the interaction between ground surrounding a shield-driven tunnel and segments, especially their ring-joint portion. When a seismic force acts...

Local Integration Method in Stochastic Finite Element Analysis
This paper, introducing local integration method, proposes a new stochastic finite element method for estimating the response variability of multi-dimensional stochastic systems. Young's...

Short-Term Versus Long-Term Pipe Ring Stiffness in the Design of Buried Plastic Sewer Pipes
It is often discussed which pipe ring stiffness should be used when designing the long-term deflection of buried plastic sewer pipes; the short-term value or the long-term value? As the...

Seismic Characterization of Fracture Properties
Laboratory measurements of the mechanical stiffness, hydraulic conductivity and seismic properties of three natural fractures were made as a function of applied normal stress. Seismic...

Wave Propagation in Hyper-Structures
The concept of hyperelement was introduced by E. Kausel and J.M. Roesset, 1977 in connection with the derivation of the dynamic stiffness matrix for layered continuum problems involving...

Beam-To-Column Connections for Pultruded FRP Structures
Moment-rotation and strength characteristics of beam-to-column bolted connections of fiber reinforced plastic (FRP) pultruded wide-flange structural shapes are discussed. Results of experimental...

Effect of Lime on Asphalt Concrete Pavement Performance
In the early to mid 1980's, the Federal Highway Administration constructed 15 experimental field test sections in four states designed to investigate mitigating moisture damage...

Taming Structural Vibrations
Vibration is a common problem in buildings that contain large spaces and long spans, especially gymnasiums and dance studios. Research shows that people respond more adversely to continuous...

The Design of Diagonal Cross-Bracing
The results of an analytical and experimental study on the behavior of simple and double diagonal cross-bracings in vertical stiffening trusses and in built-up open web beams are presented...

Elastic Stability of Non-Prismatic Columns
A matrix analysis technique for determining the elastic buckling loads for columns of general form is presented along with several numerical examples. In this technique, a non-prismatic...

Buckling of Variable Cross-Section Columns
An approximate solution for the problem of buckling of variable cross-section columns, loaded by variable axial force is given, for several boundary conditions. Both the cross-section...

Tripping and Strength of Asymmetrical Plate Stiffeners
Tripping (lateral-torsional buckling) of symmetrical or asymmetrical plate stiffeners can be analyzed by using differential equations or energy formulation. An analytical study is reported...

Original Formulation of the Finite Element Method
Following a brief summary of the 1952 state of the art of structural analysis, the paper describes the circumstances that led to the formulation of the finite element method by members...

Optimizing the Design of High-Rise Steel Buildings
The approximate stiffness method is utilized for a proposed procedure to evaluate the stiffness of the various frames and the stiffness of the members within the frames to provide a drift-controlled...

 

 

 

 

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