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Search Publications by: Edward Garboczi (Assoc)

Displaying 251 - 259 of 259

The Microstructure of Portland Cement-Based Materials: Computer Simulation and Percolation Theory

April 1, 1998

Author(s)

Edward J. Garboczi, Dale P. Bentz

Cement-based materials are usually composites, where the matrix consists of cement paste. Cement paste is a material formed from the hydration reaction of cement, usually a calcium silicate material, with water. The microstructure of cement paste changes

Concrete: A Multi-Scale Interactive Composite

March 1, 1998

Author(s)

Edward J. Garboczi, Dale P. Bentz

Methods have been developed for predicting the overall diffusion coefficient of ions in concrete using a multi-scale interactive analysis, ignoring any chloride binding interactions. The analysis makes use of microstructure models of mortar/concrete and

Computational Materials Science on the Internet

December 1, 1997

Author(s)

Dale P. Bentz, Edward J. Garboczi

The magazine article describes the background, motivation, and structure of the monograph, and how the monograph describes the computational materials science of concrete. Monograph is found on http://ciks.cbt.nist.gov/garboczi

The Use of Computer Simulations to Interpret and Understand Electrical Measurements

December 1, 1997

Author(s)

Edward J. Garboczi

It is very rare to obtain complete 3-D information in the form of images of the microstructure of a material. Most often this information is incomplete because the resolution is inadequate, or is restricted to 2-D, via some kind of micrograph, or is not

Analytical Formulas for Interfacial Transition Zone Properties.

January 1, 1997

Author(s)

Edward J. Garboczi, Dale P. Bentz

Two analytical results are presented that are of use to concrete material technologists. Using a model of concrete in which the aggregates are spherical, but with an arbitrary size distribution, a result from statistical geometry can be used to accureately

Comment on "A Lattice Model for Solid-State Sintering: Simple Particle Arrays"

November 15, 1996

Author(s)

Jeffrey W. Bullard, Edward J. Garboczi

Application of Digital-Image-Based Models to Microstructure, Transport Properties, and Degradation of Cement-Based Materials.

January 1, 1996

Author(s)

Dale P. Bentz, Edward J. Garboczi, Nicos Martys

As multi-phase composites, cement-based materials have physical properties that are strongly influenced by the volume fractions and topologies of the individual phases. Because of their inherent random nature, these materials often defy a simple

Algorithm for Computing the Effective Linear Elastic Properties of Heterogeneous Materials: Three-Dimensional Results for Composites With Equal Phase Poisson Ratios

January 1, 1995

Author(s)

Edward J. Garboczi, A R. Day

An algorithm based on finite elements applied to digital images is described for computing the linear elastic properties of heterogeneous materials. As an example of the algorithm, and for their own intrinsic interest, the effective Poisson's ratios of two

Computer Simulation of Interfacial Zone Microstructure and Its Effect on the Properties of Cement-Based Composites.

January 1, 1995

Author(s)

Dale P. Bentz, Edward J. Garboczi, E Schlangen

Much recent research on the materials science of concrete has focused on the characteristics of the interfacial zone between cement paste and aggregate and its effects on mechanical and other properties. This chapter reviews recent computer modelling work

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