Cement's Contribution to Development in the 21st Century: Proceedings of the 11th International Congress on the Chemistry of Cement Vol - 4: Hydration Chemistry Low Energy, Special and New Cements Waste Immobilisation Commercial Applications

11 - 16th May, 2003 Durban, South Africa Hydration Chemistry Experimental Study and Numerical Simulation of Cement Hydration and the Development of Microstructure in Cementitious Materials Numerically Simulated Pore Structure and Transport Properties of Cementitious Materials Mechanism of Pbo and Zno Interaction with Cement Paste Hydration of Tricalcium Silicate at High Pressure and Temperature Influence of Fe3+ Doping Of C3a on Its Hydration Behaviour in The Presence of Gypsum Different Aspects for the Hydration of C3a at Room Temperature Study of the Interaction between the Hydration of Ca and of c3s at Room Temperature Effect of Gypsum on Ca and C12a7 Hydration at Room Temperature Investigation of Granulated Blast Furnace Slag (GBFS) Reactivity by SNMS Effect of Different Activators Type and Dosages and Relation to Autogenous Shrinkage of Activated Blast Furnace Slag Cement Effect of Hydration and Carbonation on the Silicate Anion Structures of Portland Blast Furnace Slag Cement The Performances of Blended Cements Based On Sulphoaluminate Belite and Portland Cements Application of a Thermodynamic Analysis of the "Cao-Al203-Caso"Ralkali-H20" System to Real OPC Mortars at 90°C Determination of Optimum Gypsum Content of Portland cement using the Hydration Criterion of Maximum Ultimate Compressive Strength Performance Based Design System for Concrete Mixture with Multi Optimising Genetic Algorithm Low Energy, Special and New Cements Phase Composition Of 40% AI203 Calcium Aluminate Cements Expansive Agents of Concrete Made From Burnt Bauxite Microstructural Development in Hydrated and Carbonated Calcium Aluminate Cement: Influence of Alkalis and Strength Behaviour Solidification of Carbon Dioxide with Calcium Silicates Some Aspects of Rheology of Cement Based Particle Suspensions Such As Fresh Concrete Phase Assemblages Relevant To Calcium Aluminate Cements in the Multicomponent Phase Diagram, Cao Ai203 Siorfe203 Mgo Ti02 Hydration Processes of Cements Blended With Limestone Powder: Experimental Study and Numerical Simulation Incorporation of Minor Elements in Clinker: Their Effect on the Reactivity of the Raw Mix and the Microstructure of Clinker Manganese in High Alumina Cement White Cement for Architectural Concrete, Possessing Photocatalytic Properties Properties of White Cement with Reduced Content of Tricalcium Aluminate Recent Progress in Special Cements in China Influence of Temperature and Alkali Concentration on Thermo Dynamical Stability of Sulphoaluminate Phases Thermodynamic Analysis of the Solidification Process of Mixed Cements Crosslinking of Polymer Chains in High Alumina and Portland Macro Defect Free Materials Isothermal Conduction Calorimetry Study of Class G Oil Well Cement Hydrated With Additions of Calcium Chloride, Calcium Formate and Sodium Aluminate at Low and Ambient Temperatures Some Technology Factors Influencing the Qualities of High Sulphate Resistant Well Cement Stability of Ettringite under Carbonate Corrosion at Hydration of Sulphoaluminate Cement Posters: Low Energy, Special and New Cements Expansive and Non Shrinkage Sulphomineral Cements Composite Cements for a Thin Layer Technology On The State and Role of Alkali's During the Activation of Alkali Activated Slag Cement Waste Immobilisation About The Behaviour of Glass Powder in Pastes and Mortars with Cement Geothermal Waste as an Admixture in Portland Cement, Pozzolanic Characteristics Mineralogy of Modified Steel Slags The Use of Fly Ash to Treat Waste from Chemical and Environmental Aspects of Heavy Metals in Cement in Connection With the Use of Wastes Sorption of cRo/ for cement hydrates and the leaching from cement hydrates After Sorption Fixation of Chromate from Bag Filter Dust (BFD) in Lamellar Calcium Aluminate Hydrates (AFM-Phases) and Its Recycling Process Influence of Heavy Metals on the Properties of Cement and Concrete: Binding Mechanisms and Fixation Hygienic, Health and Environmental Compatibility of Cementitious Construction Products Zeolite Cement Blend for Trapping Radioactive Waste The Long Term Performance of Cementitious Materials in Underground Repositories for Nuclear Waste Estimation of the Capacity of South African Coal Fly Ash for Phosphate Ion Removal from Aqueous Solution Posters: Waste Immobilisation Hydrothermal Treatment of Industrial Wastes and Its Implication for Immobilising other Toxic Wastes Binding and Solidification of Radioactive Waste by Hot Pressing Using Cementitious Systems Production of Construction Grade Cement from Contaminated Wastes Fixation Properties of N03, S04 2 and CI in Tcah as a Function of the Concentration: Under the Influence of the Cations Na+ and K+ In Variable Concentrations Trapping Mechanisms of Trace Metals (Cr, Cu, Ni, Pb, V, Zn) in the Leached Layer of Pure Cement Pastes: Evidences From In Situ Studies (SEM EDS, Local XRD, ICP Ms with Laser Ablation) Commercial Applications In And On Line Application of Automatic Particle Size Analysis in Cement Production New Generation of Admixture Polymers and Its Role in Concrete Technology Chemical and Phase Analysis in Cement Process and Quality Control: Role of XRF and XRD Instruments and Their Integration Hydrogel Process: A Novel Process for Low Temperature Clinkerisation