Advanced Cement Based Materials

Items from 1 to 20 out of 72 results

article

An in-situ Raman spectroscopy study of the hydration of tricalcium silicate

M. Tarrida, M. Madon, B. Le Rolland, P. Colombet

Advanced Cement Based Materials > 1995 > 2 > 1 > 15-20

Raman spectroscopy has been used to study the hydration kinetics of tricalcium silicate (C ₃ S). The progress of the reaction was followed by two different methods: the first one is based on measurement of the intensity of characteristic C ₃ S Raman bands compared with that of an internal Standard Raman peak (TiO ₂ ); the second one consists in measuring the relative intensity...

article

Prediction of Thickening Times of Oil Field Cements Using Artificial Neural Networks and Fourier Transform Infrared Spectroscopy

Philip Fletcher, Peter Coveney

Advanced Cement Based Materials > 1995 > 2 > 1 > 21-29

Nonlinear statistical models based on artificial neural networks have been constructed to predict the thickening times of class G, class H, and class A oil well cement slurries from physicochemical data on cement powders. These data include chemical composition, particle-size distributions, and Fourier transform infrared (FTIR) spectra. Thickening times can be predicted with mean residual errors...

article

An In-Situ Raman Spectroscopy Study of the Hydration of Tricalcium Silicate

M. Tarrida, M. Madon, B. Le Rolland, P. Colombet

Advanced Cement Based Materials > 1995 > 2 > 1 > 15-20

Raman spectroscopy has been used to study the hydration kinetics of tricalcium silicate (C ₃ S). The progress of the reaction was followed by two different methods: the first one is based on measurement of the intensity of characteristic C ₃ S Raman bands compared with that of an internal standard Raman peak (TiO ₂ ); the second one consists in measuring the relative intensity...

article

Interfacial Transition Zone in Concrete

J.P. Ollivier, J.C. Maso, B. Bourdette

Advanced Cement Based Materials > 1995 > 2 > 1 > 30-38

In fresh concrete a watercement (W:C) ratio gradient develops around the aggregate particles during casting, resulting in a different microstructure of the surrounding hydrated cement paste. This zone around the aggregate is called the interfacial transition zone (ITZ). This review describes the formation mechanisms and the microstructure of the ITZ. The higher W:C implies a diffusion process during...

article

Setting the pace for innovations in advanced cement-based materials

S.P. Shah, J.F. Young

Advanced Cement Based Materials > 1995 > 2 > 1 > 1

article

Ultrasonic measurements on hydrating cement slurries - Onset of shear wave propagation

Ralph D'Angelo, Thomas J. Plona, Lawrence M. Schwartz, Peter Coveney

Advanced Cement Based Materials > 1995 > 2 > 1 > 8-14

The ultrasonic properties of three oil field cement slurries are studied during the early stages of the hydration process. As a percolating solid framework is established, the slurries develop mechanical integrity and shear waves begin to propagate. This transition is also apparent in the behavior of the compressional wave, but is considerably more clear-cut in the shear signals. For the three samples...

article

Calendar

Advanced Cement Based Materials > 1995 > 2 > 1 > 42

article

Setting the Pace for Innovations in Advanced Cement-Based Materials

S.P. Shah, J.F. Young

Advanced Cement Based Materials > 1995 > 2 > 1 > 1

article

Editorial Board

Advanced Cement Based Materials > 1995 > 2 > 1 > CO2

article

Interfacial transition zone in concrete

J.P. Ollivier, J.C. Maso, B. Bourdette

Advanced Cement Based Materials > 1995 > 2 > 1 > 30-38

article

Questions to Richard D. Gaynor, Executive Vice President, National Ready Mixed Concrete Association/National Aggregate Association, Silver Spring, Maryland

Jan P. Skalny

Advanced Cement Based Materials > 1995 > 2 > 1 > 39-41

article

Prediction of thickening times of oil field cements using artificial neural networks and fourier transform infrared spectroscopy

Philip Fletcher, Peter Coveney

Advanced Cement Based Materials > 1995 > 2 > 1 > 21-29

article

Questions to Richard D. Gaynor, Executive Vice President, National Ready Mixed Concrete Association/National Aggregate Association, Silver Spring, Maryland

Jan P. Skalny

Advanced Cement Based Materials > 1995 > 2 > 1 > 39-41

article

Ultrasonic Measurements on Hydrating Cement Slurries - Onset of Shear Wave Propagation

Ralph D'Angelo, Thomas J. Plona, Lawrence M. Schwartz, Peter Coveney

Advanced Cement Based Materials > 1995 > 2 > 1 > 8-14

article

Effects of an Organotitanate Cross-linking Additive on the Processing and Properties of Macro-Defect-Free Cement

I.A. Lewis, M.A. Boyer

Advanced Cement Based Materials > 1995 > 2 > 1 > 2-7

We have investigated the effects of an organotitanate cross-linking additive on the processing and moisture sensitivity of macro-defect-free (MDF) cements. The modified samples were formed by a two-part process: first, the as-received calcium aluminate cement powder was coated with the organotitanate compound, followed by the standard MDF cement fabrication procedure. It was estimated that 6 wt%...

article

Effects of an organotitanate cross-linking additive on the processing and properties of macro-defect-free cement

J.A. Lewis, M.A. Boyer

Advanced Cement Based Materials > 1995 > 2 > 1 > 2-7

article

Viscosity of Portland Cement Paste as a Function of Concentration

Leslie Struble, Guo-Kuang Sun

Advanced Cement Based Materials > 1995 > 2 > 2 > 62-69

The flow behavior of Portland cement paste was studied as a function of its concentration. The relationship between viscosity and concentration was found to be well described by the Krieger-Dougherty equation. For pastes dispersed using a superplasticizer, the maximum volume fraction was found to be approximately 0.7, and the intrinsic viscosity was found to be approximately 5. Pastes that were...

article

Cement Production and Use in Italy

Franco Massazza

Advanced Cement Based Materials > 1995 > 2 > 2 > 79

The plunge in Italy's cement production and imports has affected concrete consumption directly. As an example, production of ready-mix concrete, which absorbs as much as 42% of cement consumption, has dropped by around 20% over 1992 and is currently accounting for approximately 45 10 ⁶ m ³ . Other cement end-users, such as construction firms and prefabricators, have witnessed an...

article

Cement production and use in Italy

Franco Massazza

Advanced Cement Based Materials > 1995 > 2 > 2 > 79

article

Influences of mixing methods on the microstructure and rheological behavior of cement paste

M. Yang, H.M. Jennings

Advanced Cement Based Materials > 1995 > 2 > 2 > 70-78

Relationships between mixing methods and both rheological properties and microstructure of cement pastes are described. In particular, a newly observed peak stress, determined at low constant shear rate, is correlated with various mixing methods and the size of inhomogeneities or agglomerates within cement pastes. The results of this research impact on the importance of laboratory mixing techniques...

Volume:
2
Year:
1995

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Keywords

CONCRETE (12)
MICROSTRUCTURE (6)
PORTLAND CEMENT (6)
RHEOLOGY (6)
AGGREGATE (4)
CEMENT PASTE (4)
CORROSION (4)
DEICING SALTS (4)
FRACTURE (4)
HYDRATION (4)
SORPTION (4)
STEEL FIBER CONCRETE (4)
STEEL FIBERS (4)
STRONTIUM 9 0 (2)
TRICALCIUM ALUMINATE (C 3 A) (2)
ACOUSTIC (2)
ACOUSTIC EMISSION (2)
AFM (2)
AFT (2)
AGGLOMERATES (2)
AL-SUBSTITUTED TOBERMORITE (2)
ALKALI-SILICA REACTIVITY (2)
ALKALIES (2)
ANALYSIS (2)
BEAM TESTS (2)
BEAMS (2)
BEAMS (SUPPORT) (2)
BOND (2)
CALCIUM CARBO ALUMINATE HYDRATE (2)
CALCIUM SILICATE HYDRATE (2)
CALIBRATION (2)
CEMENT (2)
CEMENT HYDRATION (2)
CESIUM-137 (2)
CITRIC ACID (2)
COHESIVE ZONE (2)
COMPOSITE MATERIALS (2)
COMPRESSION TESTS (2)
CONDENSED SILICA FUME (2)
CORROSION INHIBITOR (2)
CRACK SPACING (2)
CRACK WIDTHS (2)
CRACKING CHARACTERISTICS (2)
CREEP (2)
CRYSTALLINE PHASES (2)
DEBONDING (2)
DESORPTION ISOTHERM (2)
DIFFUSE REFLECTANCE MID-INFRARED FOURIER TRANSFORM SPECTROSCOPY (2)
DIFFUSION COEFFICIENT (2)
ELECTRICAL CONDUCTIVITY (2)
ETTRINGITE (2)
FERRITE (2)
FIBERS (2)
FINITE ELEMENT ANALYSIS (2)
FLOCULATION (2)
FOURIER TRANSFORM INFRARED SPECTROSCOPY (2)
FRACTURE MECHANICS (2)
FRACTURE PROCESS ZONE (2)
FRACTURE TOUGHNESS (2)
GROUND GRANULATED BLAST FURNACE SLAG (2)
GYPSUM FREE CEMENT (2)
HARDENING CONCRETE (2)
HIGH EARLY STRENGTH (2)
HYDRATING SLURRIES (2)
HYDRATION KINETICS (2)
IMPEDANCE BEHAVIOR (2)
INDUCTION PERIOD (2)
INFRARED SPECTROSCOPY (2)
INHIBITORS (2)
INITIAL SET (2)
INTERFACE (2)
INTERFACIAL ZONE (2)
INTERFEROMETRY (2)
INTERMEDIATE LEVEL WASTE (2)
INTRINSIC VISCOSITY (2)
INVERSE PROBLEM (2)
IRON(III) COMPLEXATION (2)
LATEX (2)
LEACHING (2)
LIGNOSULFONATE (2)
LIMITING GAP (2)
LONG-TERM BEHAVIOR (2)
MACRO-DEFECT-FREE CEMENT (2)
MAXIMUM VOLUME FRACTION (2)
MICROCRACKING (2)
MICROFRACTURE (2)
MICROSCOPY (2)
MINERALOGY (2)
MIXING METHODS (2)
MODEL (2)
MOISTURE RESISTANCE (2)
MORTAR (2)
NEURAL NETWORKS (2)
NONCRYSTALLINE PHASES (2)
NONDESTRUCTIVE EVALUATION (2)
NONINVASIVE (2)
OIL FIELD CEMENTS (2)
OILWELL CEMENT (2)
OPTIMUM CONCENTRATION (2)
OXYGEN (2)
more

INFONA - science communication portal

Advanced Cement Based Materials

An in-situ Raman spectroscopy study of the hydration of tricalcium silicate

Prediction of Thickening Times of Oil Field Cements Using Artificial Neural Networks and Fourier Transform Infrared Spectroscopy

An In-Situ Raman Spectroscopy Study of the Hydration of Tricalcium Silicate

Interfacial Transition Zone in Concrete

Setting the pace for innovations in advanced cement-based materials

Ultrasonic measurements on hydrating cement slurries - Onset of shear wave propagation

Calendar

Setting the Pace for Innovations in Advanced Cement-Based Materials

Editorial Board

Interfacial transition zone in concrete

Questions to Richard D. Gaynor, Executive Vice President, National Ready Mixed Concrete Association/National Aggregate Association, Silver Spring, Maryland

Prediction of thickening times of oil field cements using artificial neural networks and fourier transform infrared spectroscopy

Questions to Richard D. Gaynor, Executive Vice President, National Ready Mixed Concrete Association/National Aggregate Association, Silver Spring, Maryland

Ultrasonic Measurements on Hydrating Cement Slurries - Onset of Shear Wave Propagation

Effects of an Organotitanate Cross-linking Additive on the Processing and Properties of Macro-Defect-Free Cement

Effects of an organotitanate cross-linking additive on the processing and properties of macro-defect-free cement

Viscosity of Portland Cement Paste as a Function of Concentration

Cement Production and Use in Italy

Cement production and use in Italy

Influences of mixing methods on the microstructure and rheological behavior of cement paste

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