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An Approach to Evaluate the Sufficiency of Highway Bridges for Nuclear Spent Fuel Transportation
The transportation of radioactive spent fuel can have a significant impact on bridge structures located on designated routes. Due to the critical nature of the cargo and because of the...

Behaviour of Plutonium, Rare Earth Elements and Elements of the Platinum Group in Vitreous Phosphate Composites During Liquid HLW Vitrification
The methods of ?-spectrometry, ?-scanning, ?-radiography, optical microscopy, x-ray phase and x-ray fluorescent analyses were used to study the behaviour of Pu, La, Ce, Nd, Sm, Ru, Rh,...

Cask Systems Development Program Seal Technology
General design or test performance requirements for radioactive materials (RAM) packages are specified in Title 10 of the U.S. Code of Federal Regulations Part 71 (10 CFR 71). Seals that...

Knowledge Representation for Bridge Design
An implementation of a frame-based knowledge representation language (KRL) for development of expert system applications in highway bridge design is presented. The frame-based KRL is used...

Expert System Applications for Bridge Engineering
Expert systems (ES) are computer programs that attempt to simulate the reasoning processes and knowledge of a human expert. The particular problem of bridge analysis/design is a prime...

Optimized Models for Predicting Structural Response in Highway Bridges
Optimization techniques are a viable option for modeling bridges that have been field tested. The error between the experimental strains and the analytical strains is minimized by adjusting...

A PC-CAD System for Prefabricated Steel Bridges
A microcomputer-aided analysis and design system for prefabricated steel bridges is presented in this paper. The system was customized to perform all the required engineering to analyze,...

Computerized Bridge Monitoring System
Research at the University of Connecticut has generated a full scale vibrational monitoring system for installation on a Connecticut bridge. The monitoring system consists of a field computer...

Prestressed Concrete Bridge Design and Optimization
The computer program described here analyzes simple span highway bridges for any AASHTO live load, generates girder and slab dead loads, performs the analyses for maximum moments and shears,...

An Electronic Specification for the Earthquake Resistance Design of the Highway Bridges in Pennsylvania
An interactive C program for the seismic design of highway bridges in the state of Pennsylvania is described in this paper. The program was developed in C language on a personal computer....

Buckling Optimization of Laminate Stacking Sequence with Strain Constraints
An integer programming formulation for the design of symmetric and balanced composite laminates subject to buckling and strain constraints is presented. The design variables that define...

Risk-Cost Analysis Under Uncertainty for Dredged Material Management
Fuzzy Composite Programming is used to conduct a risk-cost trade-off analysis under uncertainty for a simplified dredge material disposal problem. Uncertainties inherent in the components...

New Jersey Department of Transportation Bridge Scour Evaluation Program
The New Jersey Department of Transportation's (NJDOT's) newly initiated bridge scour investigation program will assess the vulnerability to failure by scour of...

Application of Artificial Neural Networks to Composite Ply Micromechanics
Artificial neural networks can provide improved computational efficiency relative to existing methods when algorithmic description of functional relationships is either totally unavailable...

A New Finite Element Formulation of the Generalized Laminated Plate Theory
The Generalized Laminate Plate Theory (GLPT) predicts stress distributions in laminated composite plates with accuracy comparable to a full three-dimensional analysis. The original implementation...

Prediction of Transverse Shear Stresses for Various Isoparametric Thick and Thin Shell Elements
Utilizing three-dimensional equilibrium equations (often referred to as an Equilibrium Method (EM)), an estimation of transverse stresses for fiber-reinforced laminated doubly curved shells...

hpVersion of the Finite Element Method in Boundary Layer Problems
The performance of hp-version of the finite element method in the case of boundary layer problems of convection-diffusion type is presented. The method is also considered in the case of...

Nonlinear Probabilistic FEM for Composite Shells
A probabilistic finite element analysis procedure for laminated composite shells has been developed. A total Lagrangian finite element formulation employing a degenerated 3-D laminated...

Optical Performance Predictions and Testing of a Composite Reflector
This paper describes the structural analysis and the experimental performance evaluation of advanced composite mirror designs for future NASA astrophysics missions. An interdisciplinary...

Effects on Seismic Spatial Variations to Suspension Bridge Responses
The dynamic soil-structure interaction effects and spatial variations of a seismic motion seem to have significant contributions on the response evaluation of a long span suspension bridge....

 

 

 

 

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