## Microstructure of cement-based systems/Bonding and interfaces in cementitious materials: symposia held November 28-December 1, 1994, Boston, Massachusetts, U.S.A.This book continues the MRS series on characteristics and properties of cementitious materials. In Part I, recent advances in microstructure and related characterization of cementitious systems are the focus. Topics include: microstructures of "normal" cement systems; microstructure of 'unusual' cement systems; image analysis, modelling and fractal analysis applications; and assessment of pore structures. Part II features presentations on interfacial microstructures, as well as information on elastic and fracture properties, transport properties, and the effects of interfaces on fiber-reinforced systems. |

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Page 409

The dynamic modulus of elasticity of the sand used is 14* 106 psi, and the

dynamic

are the dynamic modulus of elasticity and

and G ...

The dynamic modulus of elasticity of the sand used is 14* 106 psi, and the

dynamic

**shear**modulus of the sand is 6 5xl06 psi Thus, the remaining unknownsare the dynamic modulus of elasticity and

**shear**modulus of interfacial zone (E,and G ...

Page 545

Based on the

stresses in the matrix are negligible relative to those in the fiber and

stresses in the fiber are small compared to those in the matrix, it can be shown

that the ...

Based on the

**shear**lag model (23) with the assumption that the extensionalstresses in the matrix are negligible relative to those in the fiber and

**shear**stresses in the fiber are small compared to those in the matrix, it can be shown

that the ...

Page 560

2 gives a typical plot of

to a maximum which corresponds to the debonding

the corresponding values of the contact resistivity and the

2 gives a typical plot of

**shear**stress vs. displacement. The**shear**stress increasedto a maximum which corresponds to the debonding

**shear**strength. Fig. 3 givesthe corresponding values of the contact resistivity and the

**shear**debonding ...### What people are saying - Write a review

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### Contents

APPLICATION OF AUTOMATED IMAGE ANALYSIS TO | 3 |

A REEVALUATION OF HARDENED CEMENT PASTE | 13 |

AN APPROACH TO QUANTITATIVE IMAGE ANALYSIS | 23 |

Copyright | |

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1995 Materials Research air voids andesite bond strength bulk cement paste C-S-H gel calcium calcium hydroxide carbonate cement paste chemical clinker composite compressive strength concentration Concr crack crystals cured curve debonding decrease density diameter dielectric dielectric constant diffusion dynamic modulus effect elastic elastic moduli embedded length energy ettringite experimental fiber reinforced fibres fly ash fracture surface Garboczi grains groundmass hardened hydration products image analysis increase interfacial transition zone interfacial zone layer load Materials Research Society matrix measured microcracks microscope microstructure mixes modulus mortar observed parameters permeability phase phenograins pore size distribution porosity porous portland cement portlandite Proc pullout rock samples sand scanning electron microscope shear shown in Figure shows silica fume solution specimens structure sucrose superplasticizer Symp Table tensile thaumasite thickness values volume fraction w/c ratio water-cement ratio wood fiber zeolite