Poisson Instability of Laminated Composite Plates
The paper considers the uniaxial buckling of rectangular, anisotropic composite laminates with in-plane restrained unloaded edges where Poisson's effect is predominant to...
Finite Element Stability of Eccentrically Stiffened Plates
A finite element model is developed to investigate the elastic stability of eccentrically stiffened rectangular plates. The formulation is based on the behavior of the plate-stiffener...
A Comparison of Modeling Techniques for the Buckling of Stiffened Shells
Different techniques are used to compute the collapse loads of a family of stiffened shells. Large differences are observed between the various predictions. Detailed numerical studies...
Localized Collapse of Shells of Revolution
A local-global methodology is presented to treat the problems of localized collapse of shells of revolution. The strategy consists of employing two dimensional general shell elements in...
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...
Methodology for Developing an Engineering Solution for Web Crippling
This paper describes the methodology used to develop an engineering solution for web crippling of aluminum trapezoidal sections. The development has two steps. The functional form for...
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....
Ultimate Loads of Steel Frames with Imperfections
As for real structures, initial geometric imperfections are inevitable and may have a destabilizing effect on the structures. The present research deals with the study of this imperfections...
A Second Order Analysis Technique for Nonprismatic Bridge Piers
An approximate second order method is presented for the analysis and design of cantilever compression members. Prismatic members with nonconstant reinforcement, and nonprismatic members...
Computational Failure Analysis of Reinforced Concrete Plate Structures
The paper summarizes our recent effort in developing a suitable finite element code for the failure prediction of reinforced concrete structures. The basis of the development is a plasticity...
A Mixture Finite Element for Reinforced Concrete
A semi-analytical finite element is presented for analyses of cracked reinforced concrete (RC) structures including bond action between rebar and concrete, and crack-face shear transfer....
Nonlinear Response of Ground Supported Slabs
Refined techniques for the structural analysis of ground supported concrete slabs are presented. The principles of limit state design in terms of strength and serviceability are implemented....
Safe-Load-Limit of Plates in Cylindrical Bending
The derivation of a closed-form expression for the viscoelastic critical load of long thin plates undergoing cylindrical bending and made of a linear time-dependent 'solid'-type...
Analysis of Delamination Onset and Growth in Curved Laminates
This paper details an analysis to characterize delamination onset and growth from a matrix crack in a curved composite laminate. Finite element analysis was used to determine values of...
Analysis of a CMC Compact Tension Specimen
A cohesive force model is applied to study the stability of fiber failure in a ceramic matrix composite compact tension specimen. By controlling the length of the bridged crack results...
Interlaminar Fracture Toughness Test: Traditional and Modified
For brittle, transversely isotropic, composite materials we have developed an alternative Mode II interlaminar fracture toughness test (GIIc) that...
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...
Characterizing Mode I Fatigue Delamination of Composite Materials
Evaluation of two techniques to characterize fatigue delamination using the double cantilever beam (DCB) specimen are presented. The two techniques were the delamination growth onset (G-N)...
Design Considerations for Large-Scale Filament-Wound Composite Structures
An experimental investigation was conducted to quantify scaling effects in filament-wound composite structures. These preliminary results support the notion that an increase in thickness...
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