Microstructure of Cement-Based Systems: Volume 370: Bonding and Interfaces in Cementitious MaterialsThis 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 449
... diffusion . The instantaneous chemical reactions coupled with a diffusion process result in degradation kinetics with dependence on the square root of the time [ 1 ] . We report here on a study of the effects of the transition zones on ...
... diffusion . The instantaneous chemical reactions coupled with a diffusion process result in degradation kinetics with dependence on the square root of the time [ 1 ] . We report here on a study of the effects of the transition zones on ...
Page 452
... diffusion through the plates . We can then derive the diffusion capacity of the transition zone . The presence of aggregates , which constitute obstacles to the migrating species , is shown by an increase in the tortuosity of the mortar ...
... diffusion through the plates . We can then derive the diffusion capacity of the transition zone . The presence of aggregates , which constitute obstacles to the migrating species , is shown by an increase in the tortuosity of the mortar ...
Page 453
... diffusion coefficient for the mortar cement paste DPMs is calculated from the effective diffusion coefficient in the mortar Dem , and its porosity M , as these are directly available experimental results . The variations of the ...
... diffusion coefficient for the mortar cement paste DPMs is calculated from the effective diffusion coefficient in the mortar Dem , and its porosity M , as these are directly available experimental results . The variations of the ...
Contents
APPLICATION OF AUTOMATED IMAGE ANALYSIS TO | 3 |
A REEVALUATION OF HARDENED CEMENT PASTE | 13 |
AN APPROACH TO QUANTITATIVE IMAGE ANALYSIS | 23 |
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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 cementitious chemical clinker composite compressive strength concentration Concr crack crystals cured curve debonding density diameter dielectric 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 load Materials Research Society matrix measured microcracks microscope microstructure mixes modulus mortar observed parameters phase 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 stress structure sucrose superplasticizer Symp Table tensile thaumasite thickness values volume fraction w/c ratio water-cement ratio wood fiber yarn zeolite