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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....

Thermal Effects in a Transient Study of Fracture
Studies, e.g. Zehnder and Rosakis (1989), indicate that fracture is associated with temperature rises in inelastic zones near the crack edge. To gain more insight into this phenomenon,...

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...

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...

Elastic Stability of a Laminated Column
Buckling load of an unsymmetric, laminated column is obtained through the use of imperfection method. The condition requiring to have non-vanishing bending moment at the ends of a pinned-pinned...

A Damping Model for the Vibration of Nonlinear Laminated Composite Cylindrical Panels with High Order Transverse Shears
The damping characteristics of nonlinear vibration of a cylindrical panel including large displacements/rotations and parabolic transverse shears has been discussed in this study. The...

On the Adhesive Strength of Viscoelastic Fibrous Composites
A methodology for solving problems of anisotropic materials using the theory of elasticity (viscoelasticity) is presented. Some results on specific problems related to the stressed-and-deformed...

Partial Hybrid Stress Element for Higher-Order Laminated Plates Theory
The partial hybrid stress method is applied to higher-order plate theory for orthotropic laminated plates. This new element performs better than displacement formulation and approaches...

Finite Element Analysis and Testing of a Laminated Composite Fuselage Test Structure
A test structure modeling a full scale section of a composite aircraft fuselage was designed, analyzed, fabricated, and pressure tested. The test structure consisted of a cylindrical graphite...

Flexural and Extensional Motion of Moderately Thick Laminated Composite Plates
A general theory of flexural and extensional motion of moderately thick laminated composite plates is developed for linear elastic materials and small deformation. Interlaminar stresses...

An Analytical Solution to Free Vibration Problems of Cross-ply Laminated Thin Doubly-curved Shells
Hitherto an unavailable analytical solution to the free vibration boundary value problems (b.v.ps.) of symmetric and antisymmetric cross-ply laminated thin doubly-curved shells of rectangular...

Damage Tolerance of Composites
The damage tolerance issue in composites is driven by the requirement for and implementation of a structural integrity criterion for a structural system. A key element in the design philosophy...

Coupled Bending and Twisting of Thin-Walled Composite Beams
Thin-walled open-section composite material beams of the T, I and J geometries are routinely used as stiffeners for structural components in aerospace vehicles (Starnes et al, 1985). In...

Failure Characterization of Structural FRP Bars
A combined experimental and theoretical investigation on the structural behavior of fiber reinforced plastic (FRP) bars is presented. Test results indicate that the ultimate strength decreases...

On the Design of Laminated Composite Flange: A Model with Experimental Verification
A parametric model has been developed for the optimum design of laminated composite flange. The study focuses on the evaluation and performance optimization of composite flanges with the...

Use of Laser Holography and Image Analysis for Crack Measurement and Determination of Strain Fields in Cement Based Materials
The authors have successfully used laser holographic interferometry to measure various parameters, such as crack size, crack spacing, crack opening displacement, surface displacements...

 

 

 

 

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