Concrete Repair, Rehabilitation and Retrofitting II

2nd International Conference on Concrete Repair, Rehabilitation and Retrofitting, ICCRRR-2, 24-26 November 2008, Cape Town, South Africa

Mark G. Alexander, Hans-Dieter Beushausen, Frank Dehn, Pilate Moyo, Mark G. Alexander, Hans-Dieter Beushausen, Frank Dehn, Pilate Moyo

• Publisher: CRC Press
• Year: 2008
• Edition: 1
• eBook ISBN:
  9781439828403
• Topic: Technology & Engineering
• Subtopic: Civil Engineering
• Index: Technology & Engineering

The Second International Conference on Concrete Repair, Rehabilitation and Retrofitting (ICCRRR 2005) was held in Cape Town, South Africa, from 24-26 November 2008. The Conference followed the very successful First International Conference, also in Cape Town in 2005, and continued as a collaborative venture by researchers from the South African Res

Table of contents

• Front cover
• Table of contents
• Preface
• ICCRRR Committees
• Keynote papers
• Design for service life: How should it be implemented in future codes
• Importance of microstructural understanding for durable and sustainable concrete
• Advanced NDT methods for the assessment of concrete structures
• Efficiency control of electrochemical repair techniques
• External strengthening of continuous beams with CFRP
• Diagnostic analysis and therapy of severely cracked bridges
• Invited papers
• Research in the field of repair – Actual approaches and future needs
• Reflections on future needs in concrete durability research and development
• Reinforcement corrosion: Research needs
• Innovative materials and influences of material composition
• High performance concrete for extreme applications
• Durability and microstructural development during hydration in ultra-high performance concrete
• Concrete ability to resist chloride ions using ternary blended cement
• Sulphate resistance of high volume fly ash cement paste composites
• Durability of light-weight concrete with expanded clay aggregate
• On the potential of rubber aggregates obtained by grinding end-of-life tyres to improve the strain capacity of concrete
• Investigations on the PCC-Microstructure after Mechanical Load
• Composites in structures – Use of special strength theories based on the form of anisotropy
• Concrete containers for containment of vitrified high-level radioactive waste: The Belgian approach
• Performance of different types of Pakistani cements exposed to aggressive environments
• Durability requirements in self-compacting concrete mix design
• Chemical attack of SCC: Immersion tests and X-ray CT
• Study of chloride penetration in self-compacting concrete by simulation of tidal zone
• Transport of water and gases in crack-free and cracked textile reinforced concrete
• Application of FRC and FRSC in structural elements of St Rok tunnel
• Durability of Strain-Hardening Cement Composites (SHCC) – An overview
• A novel durability design approach for new cementitious materials: Modelling chloride ingress in strain-hardening cement-based composites
• A two component bacteria-based self-healing concrete
• Self healing properties with various crack widths under continuous water leakage
• Using natural wood fibers to self heal concrete
• The effect of geo-materials on the autogenous healing behavior of cracked concrete
• Surface protections to prevent Alkali-Aggregate Reactions (AAR) in concrete structures
• Micro-scale alterations of cementitious surfaces subjected to laser cleaning process and their potential impact on long-term durability
• Evaluation of anti-fouling strategies on aerated concrete by means of an accelerated algal growth test
• Corrosion testing of low alloy steel reinforcement
• Influence of the geometry and reinforcement content of specimens on frost de-icing salt resistance of concrete
• Service life modelling and prediction of durability
• Life cycle management of concrete structures Part I: Birth certificate
• Life cycle management of concrete structures Part II: Monitoring
• A Spreadsheet Model for Service-Life Predictions
• Modeling of the influence from environmental actions on the durability of reinforced concrete structures
• Studies on prediction models for concrete durability
• Critical chloride content in reinforced concrete – State of the art
• Use of durability indexes in probabilistic modelling for durability design of RC members
• A simplified and practical approach regarding design for durability of reinforced concrete structures based on probabilistic modeling of chloride ingress
• Assessment of the behaviour of concrete in the initiation period of chloride induced corrosion of rebars
• Corrosion propagation in cracked and uncracked concrete
• Effect of temperature on transport of chloride ions in concrete
• Repair of architectural concrete and related modelling of carbonation-induced corrosion
• Determination of critical moisture content for carbonation of concrete
• Effect of environmental parameters on concrete carbonation. DURACON collaboration (Mexican results)
• Improvements in durability design of concrete bridges in Croatia
• Fire engineering in Croatia
• Modelling of reinforcement corrosion
• DFG Research Group 537: Modelling of reinforcement corrosion – An overview of the project
• DFG Research Group 537: Modelling reinforcement corrosion – Investigations on the mechanism of cracking and spalling
• DFG Research Group 537: Modelling of reinforcement corrosion – Macrocells and time dependence
• DFG Research Group 537: Modelling of reinforcement corrosion – Validation of corrosion model
• DFG Research Group 537: Modelling reinforcement corrosion – Corrosion measurements on cracked reinforced concrete beams
• DFG Research Group 537: Modelling reinforcement corrosion – Numerical modelling of bond strength of corroded reinforcement
• DFG Research Group 537: Modelling of reinforcement corrosion – Modelling loss of steel cross sectional area and design for durability
• DFG Research Group 537: Modelling reinforcement corrosion – Observation and monitoring of self-corrosion processes in chloride contaminated mortar by X-ray tomography
• Degradation assessment and service life aspects
• An Austrian experience with identification and assessment of alkali-aggregate reaction in motorways
• Chloride ion propagation in onshore zone of Recife-PE
• Investigation of the deteriorations of educational institutes
• Durability evaluations on the bridge over the Ruwais lagoon at Jeddah
• Assessment of post-fire reinforced concrete structures. Determination of depth of temperature penetration and associated damage
• Computer integrated knowledge systems for the assessment and diagnosing distress in concrete structures in Persian Gulf
• Mechanical behaviour of corroded rebars and influence on the structural response of R/C elements
• NDE/NDT and measurement techniques
• Nondestructive testing methods for hardly accessible parts of structures
• Vibration based assessment of shear connectors in concrete composite bridges
• New approach to in-situ evaluation of watertightness of reinforced concrete underground structures
• Experimental evaluation of indirect sonic wave transmission technique in the diagnosis and monitoring of concrete slabs
• Ultrasonic imaging of post-tensioned concrete elements: New techniques for reliable localization of grouting defects
• Practical experience of geo-radar technique application in the course of an integrated inspection of historical buildings
• Wireless monitoring of structures including acoustic emission techniques
• OSSCAR – Development of an On-Site SCAnneR for automated non-destructive bridge testing
• Development of a portable LIBS-device for quality assurance in concrete repair
• High speed chemical analysis of concrete surfaces using the LIBS method within the ILCOM project
• On the possibility of rapid nondestructive determination of compressive strength of cement materials
• Locating reinforcing bars in concrete with Electrical Resistance Tomography
• Electrical resistance tomography imaging of concrete
• Materials and structural assessments
• Quality assessment of a 40-years old tunnel
• Deficiencies in concrete structures “The Sherlock Holmes” factor
• Contribution to diagnosis of alkali-silica reaction in a bridge structure
• Condition assessment and repair alternatives for Lucko bridge overpasses of Zagreb
• Service life extension of existing precast concrete girders
• Approaches for the assessment of the residual strength of concrete exposed to fire
• Residual strength of R.C. buildings after a fire: A case study
• Assessment of fire-damaged concrete structures and the corresponding measures
• Different methods to investigate and to repair the damages of a post-tensioned deck of a high-way bridge after a fire incident due to a traffic accident
• Structural behaviour of beams under simultaneous load and steel corrosion
• BETOSCAN – An instrumented mobile robot system for the diagnosis of reinforced concrete floors
• Accelerated high water corrosion
• Condition assessment of prestressed concrete structures with static and dynamic damage indexes
• Debond Detection in RC Structures using piezoelectric materials
• Development of a new test method for mineral based composites – Wedge splitting test
• Evaluation of fibre distribution in concrete using AC impedance technique
• Simple hydration equation as a method for estimating water-cement ratio in old concrete
• Selection of an optimal method for humidity elimination in masonry buildings
• Repair of guard gallery columns, Robben Island Maximum Security Prison
• Repair methods and techniques
• Concrete repair: Research and practice – The critical dimension
• Performance based rehabilitation of reinforced concrete structures
• Repair of bridge IB42 over the Limpopo river at Stockpoort border post
• The aging of concrete sewers: Replace or rehabilitate
• Concrete retrofitment solutions utilized at the Van der Kloof Dam spillway bridge
• Rehabilitation of major bridges over the spillways of three of South Africa’s largest dams
• Protection of concrete with water repellant agents – What is required to achieve a sufficient penetration depth?
• Accelerated transport of corrosion inhibitors as complementary methodology for electrochemical chlorides extraction method
• Crack repair in concrete using biodeposition
• Cracked concrete repair with epoxy-resin infiltration
• Concrete repair with ultra ductile micro-mesh reinforced abrasive resistant and impervious mortar
• Electrochemical treatments of corroded reinforcement in concrete
• Electrochemical impedance monitoring of carbon fiber as an anode material in cathodic protection
• CP of the rear reinforcement in RC-structures – Numerical modelling of the current distribution
• The application of electrochemical chloride extraction to reinforced concrete bridge members
• The corrosion protection of embedded steel reinforcement in reinforced concrete structures using galvanic anodes
• Re-alkalisation technology applied to corrosion damaged concrete
• On pathology and rehabilitation teaching of concrete structures: A case study
• Comparative study of cleaning techniques to be used on concrete indoors
• Repair materials and systems
• Material Data Sheet Protocol – From anarchy to order
• Utilization of high performance fiber-reinforced micro-concrete as a repair material
• Properties of modern rendering systems based on mineral binders modified by organic admixtures
• Low shrinking self-compacting concretes for concrete repair
• Effects of fiber and silica fume reinforcement on abrasion resistance of hydraulic repair concrete
• Use of calcium sulfoaluminate cement to improve strength of mortars at low temperature
• Development of Strain-Hardening Cement-based Composites for the strengthening of masonry
• Air permeability of hardener-free epoxy-modified mortars as repair materials
• Performance of corrosion inhibitors in concrete exposed to marine environment
• Hydrophobic treatments on concrete – Evaluation of the durability and non-destructive testing
• Application of the NMR-technique to concrete-coatings
• Durability of adhesion of epoxy coatings on concrete; causes of delamination and blistering
• Protection and rehabilitation of chemically high stressed concrete surfaces by thin glass
• Bonded concrete overlays and patch repairs
• Adhesion – A challenge for concrete repair
• Concrete repair and interfacial bond: Influence of surface preparation
• Correlation between the roughness of the substrate surface and the debonding risk
• Performance of spall repair materials
• Innovative concrete overlays for bridge-deck rehabilitation in Montréal
• Mortar mix proportions and free shrinkage effect on bond strength between substrate and repair concrete
• Evaluation of saturation and microcracking of the superficial zone of concrete: New developments
• Spalling of sprayed concrete under tunnels fire conditions
• Repair of slab surface with thin SFRC overlay
• SHCC repair overlays for RC: Interfacial bond characterization and modelling
• Modelling the performance of ECC repair systems under differential volume changes
• Prevention of damages in industrial floors with screed layers
• Evaluation of the effect of load eccentricity on pull-off strength
• Proposal of an experimental programme for determining tensile relaxation in bonded concrete overlays
• Structural repairs and strengthening
• Analytical modelling of retrofitted reinforced concrete members with flexible bond
• Experimental and analytical investigation of concrete confined by external pre-stressed strips
• Flexure and shear behavior of RC beams strengthened by external reinforcement
• Simplified verification of the bond resistance of externally bonded reinforcement at the area of the support moment
• Loading test on a retrofitted pretensioned concrete girder after fire
• Anchorage failure of RC beams strengthened with FRP at the bottom face
• Strengthening and verification of the prestressed road bridge using external prestressing
• Numerical simulation of continuous RC slabs strengthened using NSM technique
• Non-linear finite element modeling of epoxy bonded joints between steel plates and concrete using joint elements
• Increase in the torsional resistance of reinforced concrete members using Textile Reinforced Concrete (TRC)
• Rejuvenating our aging structures: Cumberland street parking garage rehabilitation
• Mountain pass slope failure retrofitted with half viaduct bridge structure
• Rapid repair of RC bridge columns subjected to earthquakes
• Rehabilitation problems regarding an over pass in Timisoara – Romania
• Seismic retrofit and rehabilitation
• An approach of service life in repair of structures with concrete due to natural hazards
• Seismic behavior of FRP-upgraded exterior RC beam-column joints
• 3D analysis of seismic response of RC beam-column exterior joints before and after retrofit
• Seismic assessment of a RC school building retrofitted with innovative braces
• Seismic response of FRP-strengthened corner RC beam-column joints
• Experimental investigation on the seismic behaviour of SFRC columns under biaxial bending
• Retrofitting techniques and FRP systems
• Feasibility study of a novel prestressing system for FRP-laminates
• FRP tendon anchorage in post-tensioned concrete structures
• Durability of CFRP strengthened concrete structures under accelerated or environmental ageing conditions
• Durability of GFRP composite made of epoxy/organoclay nanocomposite
• Performance of Reactive Powder Concrete (RPC) with different curing conditions and its retrofitting effects on concrete membe
• Residual strength of SBR-latex modified high strength concrete under repeated impact loading
• Modeling the behavior of insulated FRP-strengthened reinforced concrete beams exposed to fire
• Fracture optimization of RC beams strengthened with CFRP laminates with finite element and experimental methods
• Comparing the behaviour of reinforced HSC beams with AFRP bars and confined HSC beams with AFRP sheets under bending
• Corroded RC beam repaired with near-face mounted CFRP rods
• Effect of damaged concrete cover on the structural performance of CFRP strengthened corroded concrete beams
• Role of U-shaped anchorages on performance of RC beams strengthened by CFRP plates
• Shear-flexure interaction of RC circular columns strengthened with FRP sheets
• Strengthening of R/C existing columns with high performance fiber reinforced concrete jacket
• Retrofitting of a precast industrial building
• Strength and ductility of unreinforced concrete columns confined with CFRP composites under uniaxial loading
• Experimental investigation on repair of RC pavements with SFRC
• Experimental research of performance and strength of damage – Concrete beams strengthening with CFRP using two different epoxies
• Strengthening of shear wall with high performance RC jacket
• Author index
• Back cover