Damage Prediction in Laminated Composites with Continuum Damage Mechanics
A finite element model is developed for laminated composite plates experiencing fatigue load induced microstructural damage. Continuum damage mechanics based constitutive relationships,...

The ENF Test: Critical Analysis and Computational Modelling
We have developed an experimental and computational strategy to moderate the experimental scatter of the interlaminar fracture toughness values (GIIc)...

Long-Term Performance Reliability of Wood Materials
The United States faces a major task in maintaining and rebuilding the nation's infrastructure in the 1990's and beyond. Economic constraints have limited funds...

Use of Geogrids on Soft Deposits
The construction of highway embankments over soft and waste deposits required the use of geogrids as an economical alternate to conventional methods of 'remove and replace'....

Parameter Study of Stresses in Mass Concrete Using Two Fly Ash Mixtures
Finite-element modeling of the incremental construction procedure for mass concrete structures has been used to study the effects of three mechanical properties on thermal stresses. Material...

Concepts for Hybrid FRP Bridge Deck Systems
This paper presents selected structural concepts for modular bridge deck systems taking into account the limitations imposed by fabrication processes for polymer matrix composites. An...

Drying and Shrinkage of Concrete: The Case of Massive Parts
The natural drying of concrete induces a number of intense mechanical effects on the structures. These various effects are of importance to engineers: in the design stage (estimate of...

Significance of Yield Surface Corner-Like Effects in Inelastic Stability Solutions
This paper presents the author's experiences with finite element prediction of the inelastic stability of steel plate structures. The implications of linear versus nonlinear...

ASCE Salary Survey 1989
The 20th biennial ASCE salary survey of the engineering profession conducted by the ASCE Committee on Employment Conditions during the fourth quarter of 1989 is presented. It consists...

Siphon Quenches Drought
An age-old engineering concept�the siphon�enjoys new success in alleviating a severe water shortage at the Ketchikan Pulp Company's Ward Cove Pulp Mill. With major layoffs...

The Fine Print
An engineer who uses software, or supervises those who do, must know the laws regulating its purchase and use. Whether a company contracts for custom software, or leases, licenses or contracts...

U.S. Landmarks: Handle With Care
Landmarks are treated with kid gloves during restoration, but striking a balance between costs and aesthetics is difficult. In addition to structural integrity, original construction methods...

A Possible Paradigm
`We work only on a lump sum basis, with work guaranteed on time, and no extras. We help you define the scope of work, using our experience and unmatched computerized databases, then guarantee...

Desktop Publishing for the Design Firm
Desktop publishing lets engineering firms put together reports with high-quality text and graphics in-house. Presentations and publications can be produced with greater flexibility at...

Risk-Based Decision Making in Water Resources
This proceedings represents an edited selection of papers presented at the Engineering Foundation Conference on Risk-Based Decision Making in Water Resources, held in Santa Barbara, California...

The Truck Commodity Survey in the New York-New Jersey Metropolitan Area
The Truck Commodity Survey was designed to gather information on the characteristics of truck traffic at toll barriers with minimal disruption to traffic flows. It was developed by the...

Cables and Flexible Pipes in Contact with Sea Floor
Flexible offshore systems can be analyzed by a number of different techniques. The techniques described herein fall in the general category of finite element methods. Special cable elements...

Stability of Plates Under Eccentric Edge Loads
A linear finite element analysis was conducted to study the stress distribution in the web and the flange when the beam is subjected to a patch load applied in the plane of the web or...

Some Examples of Latticed Structures in Spain
Since the middle of the last sixties latticed structures have extensively been used in Spain to cover different large areas as factories, churches, marketplaces, exhibition palaces etc....

Buckling of Unsymmetrical Thin-Walled Members
The formulation of a three-dimensional model based on p-version finite element method for the elastic buckling analysis of unsymmetrical thin-walled members under axial compression and...

 

 

 

 

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