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 120
... porosity , many studies conformed to the same relation between relative strength and porosity . In concrete practice the optimum air void system improves the resistance to freezing - thawing conditions . Rashed and Williamson ( 1991 ) ...
... porosity , many studies conformed to the same relation between relative strength and porosity . In concrete practice the optimum air void system improves the resistance to freezing - thawing conditions . Rashed and Williamson ( 1991 ) ...
Page 237
... porosities using fillers with further porosity reductions arising due to chemical interactions at the filler - cement interface [ 1-4 ] . Reduction of volume porosity not only increases mechanical performance of a Portland cement paste ...
... porosities using fillers with further porosity reductions arising due to chemical interactions at the filler - cement interface [ 1-4 ] . Reduction of volume porosity not only increases mechanical performance of a Portland cement paste ...
Page 253
... porosity n2 ( H2O ) , essentially concerning pores with rp ≤ 50 Å , was quantified . This parameter was thus determined from the water content at R.H. ≈ 76 % , given by the first desorption branch ( Table III ) . TABLE III . Porosity ...
... porosity n2 ( H2O ) , essentially concerning pores with rp ≤ 50 Å , was quantified . This parameter was thus determined from the water content at R.H. ≈ 76 % , given by the first desorption branch ( Table III ) . TABLE III . Porosity ...
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