A selection of confirmed conference presentations for ICCRRR 2024

Condition assessment and NDT

• Condition assessment and repair planning using Building Information Modeling
• Corrosion detection in RC structures: guidelines and case studies
• Non-destructive assessment of the breaking location of prestressing tendons
• Non Destructive Evaluation of Alkali-Silica-Reaction affected large scale concrete using non-collinear ultrasound wave mixing
• Correlation between damage parameters and mechanical properties of concrete affected by ASR
• Deterioration of service reservoirs due to soft water attack
• Laser induced breakdown spectroscopy (LIBS) for the chemical investigation of concrete
• Integration of multispectral imagery in drone technology for infrastructure monitoring
• Residual service life assessment of an offshore concrete structure in the North Sea
• Assessment of SFRC slab-on-piles through in-situ load testing
• Applying ultrasonic methods in the condition assessment wind turbine foundations
• Assessment of in-service durability performance of natural drought cooling towers in a petrochemical environment
• Combination and automation of computer-aided methods for quantitative crack analysis of concrete
• Structural monitoring of railway bridges – limitations and opportunities
• Investigation of corrosion product layers in chloride containing mortars
• Assessment for fire damage in concrete structures with electrical resistance measurement
• Concrete crack width and depth characterization using modern NDT
• Assessing the earthquake performance of reinforced concrete existing buildings
• Areal concrete cover measurement using alternating field magnetization
• Condition assessment of concrete railway sleepers
• Structural response sensitivity of concrete arch dams to environmental effects and swelling due to chemical reactions
• Condition assessment framework for concrete arch dams

Cathodic protection of RC and prestressed structures

• Service life extension through cathodic protection
• Cathodic protection of steel in concrete: protection degree and throwing power of two-phase hybrid anodes
• Application guidelines for commercial cathodic protection systems
• The influence of discrete sacrificial anodes on the performance of concrete repairs
• Performance of repair mortars used for Cathodic Protection of RC structures
• Effect of cathodic protection of conventional steel reinforcement on damaged prestressed tendons
• The effects of shielding by multi-layered steel reinforcement on current distribution in impressed current cathodic protection in concrete
• CP specifications from specific to general and back
• Residual service life estimation of CP-repaired concrete structures in marine environments
• Large-scale evaluation of CP system performance on exposed structural elements

Repair materials and systems

• Repair and strengthening of RC structures with Ultra-High Performance Shotcrete
• Textile reinforced mortars
• Flowable grouts or hand-applied mortars? Myths and truths and learning from our mistakes
• Hydrophobic surface treatments to extend the service life of existing RC structures in marine environments
• New mix concrete mortar compositions and their influence on durability
• Sustainable cementitious mortars reinforced with micro polypropylene fibres
• Properties of eco-efficient cementitious composites modified by superabsorbent polymers
• Structural repair mortars and their contribution to the load-bearing behaviour of repaired elements and structures
• Mechanical and durability performance of concrete made using waste tyre rubber as coarse aggregate
• Evaluation of ductility behavior of ECCs made with different PVA fibers
• Low carbon self-healing concrete – crack sealing and water permeability
• Durability of innovative cementitious coatings for concrete wastewater treatment plants: impact of cracks on biodeterioration

Repair and strengthening strategies

• In-situ experiences in remediations of wind turbine generator foundations
• Performance of exterior RC beam column joint retrofitted with HPFRC
• Experimental procedure to test effectiveness of UHPC jacketing repair against large scale ASR-damaged columns
• Retrofitting techniques and systems for prestressed concrete bridge girders
• Repair and restoration of deteriorated bridge structures using Ultra-High Performance Concrete
• Structural reinforcement of bridge columns with HPFRC
• Enhancing seismic performance of existing building columns through carbon fiber reinforcement: compliance with ACI 440 guidelines
• External reinforcement performance under cyclic loading
• Flexural fatigue deterioration mechanisms of pre-cracked FRC
• Repair and retrofitting solution package for different structures

Case studies: Repair strategies and systems

• Rehabilitation of reinforced concrete cooling tower
• Fire damage repair of the Sarnia Road Bridge
• Anti-corrosive consolidation treatment of historic concrete
• Rehabilitation and strengthening of a monumental building in India
• Replacement of pedestal foundation concrete on wind turbine structures in operation
• Repairing the fire damaged Thakaneng Bridge at the University of the Free State, South Africa
• Emergency Rehabilitation of Bridge N7, in Kerouane, Guinea
• Extending the service life of Wessels Ventshaft, in Hotazel, South Africa
• Holistic Assessment of the Integrity of Dibokwe River Railway Bridge in Botswana
• Assessment, NDT and SHM of a concrete chimney in Sweden
• Non-destructive testing of a post-tensioned concrete road bridge in Norway
• Critical analysis of the performance of surface repairs on a major Canadian bridge after decommissioning
• Corrosion Management in Suramadu Bridge – Indonesia’s first corrosion protection and corrosion monitoring application
• Fast setting, low carbon infrastructure rehabilitation using Belitic Calcium Sulfoaluminate (BCSA) concrete
• Analysis of a range of 20^th Century concrete structures in Ireland; optimum methods of retrofitting
• The Rehabilitation and Retrofitting of the Flood Damaged Mhlali River Bridge

Durability design and prediction

• Effect of air entraining agent on freeze-thaw resistance
• An open-source knowledge hub for concrete durability models, datasets and more
• Approaches to improve carbonation resistance of concrete
• Carbonation induced corrosion of steel in alkali-activated mortars
• Numerical simulation of concrete durability subjected to combined effect of carbonation and cast-in chlorides
• Effect of admixed type and surface applied type corrosion inhibitors on the chloride threshold of steel reinforcement
• Effect of mixed recycled aggregate on the frost durability of concrete
• Quantification of the crack-reducing effect of fibers on thin concrete slabs using polypropylene and basalt fibers
• Application of stainless steel reinforcing bars in infrastructures – requirements and evaluation of corrosion resistance
• Effect of impregnation on the resistance of the concrete surface to freezing/thawing with de-icing salt
• Freeze-thaw induced microstructural degradation of hardened cement paste
• Use of electrolytic resistivity and the measurement of charge as test methods for chloride resistance of concrete – correlations with the rapid chloride migration test
• Effect of pyrrhotite content on the deterioration potential of concrete in sulfide-bearing aggregates
• Suggestion of corrosion rate calculation equation based on corrosion current and time
• Concrete capillarity refinement and contaminant purging with post-set applied Colloidal Silica

Concrete material technology and structural engineering

• Use of polymer-modified concrete in bridge construction: results of measurements performed on the bridge
• Compressive strength and water absorption of limestone calcined clay cement concrete with recycled fine aggregates
• Use of secondary gold tailings as fine aggregate in concrete
• Bonding of structural and non-structural elements to weak concrete substrates using flexible polyurethanes
• Fresh and durability properties of self-compacting concrete incorporating binary and ternary blends of waste materials
• Carbonation of sodium carbonate alkali-activated slag: influence on microstructure and corrosion
• Use of glass waste powder in concrete – a review of microstructure and durability properties
• Optimising the use of waste glass in portland cement concrete: the role of metakaolin in enhancing performance
• Impact of rebar-reinforcement depth on flexural behavior of shear-critical UHPC beams
• A study of the historic development of concrete in Singapore
• Correlating resistivity measurements methods in commercial repair mortars
• Advancements in grout cap technology: requirements and conversion from metal to GFRP composites
• Remote monitoring variations of water content in hardened concrete
• Recycled ground glass as a GGBS and cement replacement
• Mechanical contribution of non-metallic fibers on self-compacting concrete performance
• Comparative leaching characterization of fly ash and phosphogypsum
• Analysis and comparison of different permeability reducing admixtures

Management of concrete infrastructure

• Green management of existing civil engineering infrastructure
• Dealing with exposed concrete repairs on historic buildings
• Quantifying the sustainability benefits of extending the service life of reinforced concrete structures
• Implementation of Civil Structures Management System at TRANSPETRO
• Challenges faced by inventors developing solutions to corrosion in concrete
• Damage object catalogue for concrete structures in BIM

The 2022 conference proceedings with the full-length articles were published by MATEC Web of Conferences are available on open-access  here.