Concrete Repair, Rehabilitation and Retrofitting

Professor Mark G Alexander, Department of Civil Engineering, University of Cape Town, South Africa Dr Hans-Dieter Beushausen, Department of Civil Engineering, University of Cape Town, South Africa Dr Frank Dehn, MFPA Leipzig, Germany Dr Pilate Moyo, Department of Civil Engineering,University of Cape Town, South Africa

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Keynote papers Infrastructure asset preservation: Is it a facade Concrete repair according to the new European Standard EN 1504 Concrete repair -- a composite system: Philosophy, engineering and practice Design of concrete to meet durability requirements; Development towards a performance specification in South Africa Potential and limits of durability design Repairs by the thin bonded overlay technique: The RILEM TC 193-RLS and last findings about the debonding mechanism Bonded concrete overlays -- bond strength issues Structural rehabilitations with Ultra-High Performance Fibre Reinforced Concretes (UHPFRC) Developments in rehabilitation and consolidation of historical concrete and masonry constructions Use of new concrete materials for durable structures Theme 1: Concrete durability aspects Causes and mechanisms of deterioration Latest insights and advances in understanding the ASR Acid attack of self compacting concrete Reaction mechanisms and thermodynamic modelling of Thaumasite Sulfate Attack (TSA); experimental modelling Performance of concrete exposed to freezing and thawing in different saline environments Frost salt scaling modeling of cement paste Innovative materials and influences of material composition Surface protection systems on concrete: Investigations on durability and efficiency Effect of rubber aggregate incorporation on the resistance of cement-based mortar to shrinkage cracking Pore fluid analysis of cement mortar exposed to a chloride environment Resistance of concrete sewer coatings to chemical and biogenic attacks Construction of ferrocement water storage tanks and their comparison with R.C.C. and fiberglass tanks Research of fresh concrete treatment against desorption by means of polymers Durability of polymer modified concrete in marine environment Calcium aluminate cements for repair applications Durability of concretes with ferrous dusts exposed to liquid chemically aggressive environments Flexural behaviours of reinforced concrete member strengthened tension zone with reactive powder composite material Use of accelerated tests for evaluating the effectiveness of fly ash and ternary cementitious systems to control alkali-silica reactivity in concrete Mechanochemical synthesis of mullite and mullite-silicon carbide from secondary mineral resources used as an aggregate for fireproof concretes Prognostic models for creating new composite fireproof concretes and masses from secondary mineral resources Conception for creating superfireproof composite concretes and masses from secondary mineral resources Reduced carbonation of concrete by paraffin-wax Outdoor exposure of polymer-impregnated concrete (PIC) permanent form in Saudi Arabia Sustainability of polymer-impregnated concrete panel as permanent form Steel fibre reinforced SCC -- a durable and robust construction material Research of aerated self compacting concrete problems Carbon fibre composites for a new generation of tendons Use of stainless steel for durable concrete structures Corrosion protection of reinforcement for concrete structures Synergic effect against corrosion between galvanized steel rebars and hydrophobic concrete Corrosion of RC columns repaired and wrapped with CFRP sheets Selected aspects of interaction of laser radiation with concrete surfaces Service life modelling and prediction of durability Practical implementation of a reliability-based concrete durability design A numerical model for durability predictions Service life prediction, re-evaluation and optimum repair strategy Maintenance strategy versus simplified deem-to-satisfy rules Software for probability-based durability analysis of concrete structures Models for environmental actions for reinforced concrete structures in marine and road environments Modeling of temperature behavior of concrete during hydration Design of concrete structures for durable fire resistance Predicting chloride content profile in concre

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