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Proceedings : ICCRRR - 3rd International conference on Concrete repair, rehabilitation and retrofitting, 3-5 September 2012, Cape Town, South Africa


Title: ICCRRR - 3rd International conference on concrete repair, rehabilitation and retrofitting, 3-5 September 2012, Cape Town, South Africa

Edited by M. G. Alexander, H-D. Beushausen, F. Dehn, P. Moyo

ISBN: 978-0-415-89952-9

e-ISBN: 978-0-203-12425-3

Pages: 570

Publication date: 2012


Contents


Preface


Preface
Author(s): M.G. Alexander, H. Beushausen, F. Dehn, P. Moyo
Pages: xix – xx

Keynote papers


Assessing the remaining service life of existing concrete bridges
Author(s): J.C. Walraven
Pages: 3 – 10

The transformation of the existing building stock: A precondition for a sustainable future
Author(s): P. Richner
Pages: 11 – 12

The concrete repair industry, actions for improvements
Author(s): P.H. Emmons
Pages: 13 – 14

Where does rehabilitation fit into the South African dam safety picture?
Author(s): C. Oosthuizen
Pages: 15 – 16

A life in non-destructive testing!
Author(s): M.G. Grantham
Pages: 17 – 19

Non-destructive testing and continuous monitoring: Modern tools for performance assessment and life time prognosis of structures
Author(s): C.U. Grosse
Pages: 20 – 22

Operational Modal Analysis for testing and continuous monitoring of bridges and special structures
Author(s): A. Cunha, E. Caetano, F. Magalhães
Pages: 23 – 24

From the instantaneous corrosion rate to a representative value
Author(s): C. Andrade, N. Rebolledo, F. Pedrosa
Pages: 25 – 26

Novel cement-based composites for strengthening and repair of concrete structures
Author(s): V. Mechtcherine
Pages: 27 – 29

Rehabilitation and strengthening of concrete structures using Ultra-High Performance Fibre Reinforced Concrete
Author(s): E. Brühwiler
Pages: 30 – 31

Textile-based composites versus FRP as strengthening and seismic retrofitting materials for concrete and masonry structures
Author(s): T.C. Triantafillou
Pages: 32 – 33

Theme 1: Concrete durability aspects - Innovative materials and influences of material composition


Curing technologies, strength and durability performance
Author(s): R. Wasserman, A. Bentur
Pages: 37 – 38

The effect of binder type on chloride threshold values for reinforced concrete
Author(s): M.C. Alonso, M. Sanchez
Pages: 39 – 40

Durability properties of high performance metakaolin concrete in different curing conditions
Author(s): M. Skazlić, A. Baricevic, M. Peric
Pages: 41 – 42

Quantification of anhydrous GGBFS particles in cement pastes subjected to organic acids: Comparison of selective dissolution and image analysis methods
Author(s): J. Duchesne, O. Oueslati
Pages: 43 – 44

Performance evaluation of limestone mortars for elevated temperature application in nuclear industry
Author(s): K. Mohammed Haneefa, M. Santhanam
Pages: 45 – 46

Optimization of fly ash based geo-polymer concrete
Author(s): A. Arjun
Pages: 47 – 48

Durability studies on glass fiber reinforced High Performance Concrete with fly ash as admixture
Author(s): H. Sudarsana Rao, Vaishali G. Ghorpade
Pages: 49 – 50

Strength and sulphate resistance of rice husk ash concrete
Author(s): D.B. Raijiwala
Pages: 51 – 52

Improvement of repairing mortars in cold environments using coal bottom ash
Author(s): C. Argiz, E. Menéndez
Pages: 53 – 55

TiO₂ TRC - New features of TRC by titanium dioxide modifications
Author(s): W. Brameshuber, C. Neunzig
Pages: 56 – 57

The use of superabsorbent polymers as a crack sealing and crack healing mechanism in cementitious materials
Author(s): D. Snoeck, K. Van Tittelboom, N. De Belie
Pages: 58 – 59

Effect of matrix permeability on durability of structural grade geopolymer and conventional concretes
Author(s): K. Sagoe-Crentsil, S. Yan, T. Brown
Pages: 60 – 61

Polymers in concrete repairing according to EN 1504
Author(s): L. Czarnecki, P. Lukowski
Pages: 62 – 63

Durability properties of inorganic polymer concrete using fly ash and slag
Author(s): J.R. Mackechnie, A.C.N. Scott
Pages: 64 – 65

Aminobenzoate modified hydrotalcites as a novel smart additive of reinforced concrete for anticorrosion applications
Author(s): Z. Yang
Pages: 66 – 67

Mix design, mechanical properties and impact resistance of UHPFRCCs
Author(s): D. Nicolaides, A. Kanellopoulos
Pages: 68 – 69

Durability of lightweight self-consolidating concrete in massive structures
Author(s): M. Kaszynska
Pages: 70 – 71

Influence of different recycled aggregate types on strength and abrasion resistance properties of concrete
Author(s): S.O. Ekolu, L.N. Makama, W.P. Shuluuka
Pages: 72 – 73

Innovative low cost fibre-reinforced concrete - Part I: Mechanical and durability properties
Author(s): D. Bjegović
Pages: 74 – 75

Innovative low cost fibre-reinforced concrete - Part II: Fracture toughness and impact strength
Author(s): J. Krolo, D. Damjanovic, D. Bjegović, S. Lakusic, A. Baricevic
Pages: 76 – 77

The effect of cement type on the performance of mortars modified by superabsorbent polymers
Author(s): A.J. Klemm, K. Sikora
Pages: 78 – 79

Effect of super-absorbent polymer on simplification of curing and prevention of micro-cracking of concrete at early age
Author(s): K. Ichimiya
Pages: 80 – 81

The influence of the particle size of superabsorbent polymer on internal curing of high performance concrete
Author(s): H. Huang
Pages: 82 – 83

Porous network concrete: Novel concept of healable concrete structures
Author(s): S. Sangadji, E. Schlangen
Pages: 84 – 85

An experimental methodology to assess the self-healing capacity of cementitious composites with "aero-crystallizing" additives
Author(s): L. Ferrara, V. Krelani, I. Pessina, P. Bamonte
Pages: 86 – 87

Study of the effectiveness of different types of surface protection materials applied in concrete structures
Author(s): K. da Silva Almeida, M. Queiroz Oliveira, V. Pereira, E. Barreto Monteiro
Pages: 88 – 89

Influence of cement content and environmental humidity on cement-asphalt composites performance
Author(s): A. Garcia
Pages: 90 – 91

Engineered Cementitious Composite as a cover concrete against chloride ingress
Author(s): Y. Lin, L. Wotherspoon, J.M. Ingham
Pages: 92 – 93

Fire resistance of concretes exposed to high temperatures
Author(s): D. Pasla
Pages: 94 – 95

Fire-protection coating of reinforced concrete lining in Lefortovsky tunnel
Author(s): V.R. Falikman
Pages: 96 – 97

Influence of hydrophobicity and oleophobicity on cleaning graffiti on concrete panels and natural stones
Author(s): K. Malaga
Pages: 98 – 99

Theme 1: Concrete durability aspects -Service life modelling and prediction of durability


Developing a modified rapid chloride permeability test for mortar concrete
Author(s): A.A. Ramezanianpour, A.R. Pilvar, M. Mahdikhani, F. Moodi
Pages: 103 – 104

Measuring permeability of cementitious materials
Author(s): Q.T. Phung
Pages: 105 – 107

The pore structure and water permeability of cement paste blended with fly ash over a long period up to one year
Author(s): Z. Yu, G. Ye
Pages: 108 – 109

Measurement of the air permeability of concrete "in situ": Status quo
Author(s): R. Torrent
Pages: 110 – 112

Evaluation of carbonation progress of existing concrete structure based on air permeability of concrete cover - a case study in Japan
Author(s): K. Imamoto
Pages: 113 – 115

Lattice Boltzmann simulation of permeability of cement-based materials
Author(s): M. Zhang, G. Ye
Pages: 116 – 117

Morphological nature of diffusion in cement paste
Author(s): N. Ukrainczyk, E.A.B. Koenders, K. van Breugel
Pages: 118 – 119

Modeling of moisture distribution in concrete in 3D
Author(s): J. Shramlik, M. Novotny, K. Suhajda
Pages: 120 – 121

DC and AC measurements of the chloride diffusion coefficient through concrete
Author(s): H. Mercado, S. Lorente, X. Bourbon
Pages: 122 – 123

Factors affecting AgNO₃ colorimetric method for measurement of chloride migration in cement-based materials
Author(s): C. Shi, X. Wang, X. An, Q. Li, F. He, C. Chen
Pages: 124 – 125

Cement mortars with fly ash and slag - study of their microstructure and resistance to salt ingress in different environmental conditions
Author(s): M.A. Climent, J.M. Ortega, I. Sánchez
Pages: 126 – 127

Capillary suction and chloride migration in fire exposed concrete with PP-fibre
Author(s): J. Albrektsson, R. Jansson
Pages: 128 – 129

Effect of chlorides on moisture content and sorption isotherms
Author(s): M. Leivo, H. Kuosa, E. Holt, E. Vesikari, R.M. Ferreira
Pages: 130 – 131

Accelerated evaluation of corrosion inhibition by means of the integral corrosion test
Author(s): C. Andrade, N. Rebolledo
Pages: 132 – 133

Ageing process of cementitious materials: Ion transport and diffusion coefficient
Author(s): A. Babaahmadi, L. Tang
Pages: 134 – 135

The interaction of deterioration caused by chloride ingress and carbonation in mortars exposed to cyclic wetting and drying
Author(s): J. Backus, D. McPolin
Pages: 136 – 137

Influence of carbonation on the chloride concentration in the pore solution of concrete
Author(s): X. Wan, T. Zhao, F.H. Wittmann
Pages: 138 – 139

Modified Wedge Splitting Test (MWST) - a simple tool for durability investigations of reinforcement corrosion in cracked concrete
Author(s): B. Šavija, E. Schlangen, J. Pacheco
Pages: 140 – 141

Effect of concrete and binder composition on cracking sensitivity
Author(s): K. Kovler, S. Zhutovsky, A. Bentur
Pages: 142 – 143

Towards incorporating the influence of cracks in the durability index testing approach
Author(s): J. Kanjee, H. Beushausen, M.G. Alexander, M. Otieno
Pages: 144 – 145

A model for the prediction of plastic shrinkage cracking in concrete
Author(s): W.P. Boshoff, R. Combrinck, J. Maritz
Pages: 146 – 147

Durability design of reinforced concrete structures submitted to carbonation by using an probabilistic modelling
Author(s): M. Thiéry, V. Baroghel-Bouny, A. Orcesi
Pages: 148 – 149

Mix design optimisation - the influence of binder content on mechanical and durability properties of concrete
Author(s): M. Angelucci, H. Beushausen, M.G. Alexander
Pages: 150 – 151

Durability and service life of reinforced concrete structures under combined mechanical and environmental actions
Author(s): T. Zhao, J. Jiang, X. Wan
Pages: 152 – 153

Control of concrete cover depth of reinforced concrete structures for durability
Author(s): G. Nganga, M.G. Alexander, H. Beushausen
Pages: 154 – 155

Essential parameters for strength-based service life modeling of reinforced concrete structures - a review
Author(s): J.O. Ikotun, S.E. Ekolu
Pages: 156 – 157

A Virtual Lab for multi-scale modeling of cementitious materials
Author(s): E.A.B. Koenders
Pages: 158 – 159

Model verification, refinement and testing on independent 10-year carbonation field data
Author(s): S.O. Ekolu
Pages: 160 – 161

Treatment of a stochastic service life prediction model to an evaluation of a distressed two-story RC building
Author(s): S.O. Ekolu
Pages: 162 – 163

Methodology for including the age effect of concrete with SCMs in results from accelerated testing
Author(s): E. Gruyaert, N. De Belie
Pages: 164 – 165

Lattice model implementation on alkali silica reaction gel expansion in a reacted concrete medium
Author(s): C. Anaç, E. Schlangen, O. Çopuroğlu
Pages: 166 – 167

A concrete performance assessment tool for structures with alkali silica reaction
Author(s): C. Anaç, E. Schlangen, O. Çopuroğlu
Pages: 168 – 169

Relation between mass flow in cement-based composite materials and durability, investigated by means of neutron imaging
Author(s): F.H. Wittmann, P. Zhang, T. Zhao
Pages: 170 – 171

Theme 1: Concrete durability aspects - Modelling and prevention of reinforcement corrosion


Assessment of some parameters of corrosion initiation prediction of reinforced concrete in Persian Gulf region
Author(s): A.A. Ramezanianpour
Pages: 175 – 177

Possibilities and restrictions for the use of stainless steel reinforcement
Author(s): U. Nuernberger
Pages: 178 – 179

Service life extension of concrete structures by increasing chloride threshold using stainless steel reinforcements
Author(s): H. Mahmoud, M.C. Alonso, M. Sanchez
Pages: 180 – 182

Working life of cathodic protection systems for concrete structures—analysis of field data
Author(s): R.B. Polder, G. Leegwater, D. Worm, W. Courage
Pages: 183 – 184

Assessment of critical chloride content in reinforced concrete by Energy Dispersive Spectrometry (EDS) revisited
Author(s): J. Pacheco, O. Çopuroğlu, B. Šavija, E. Schlangen, R.B. Polder
Pages: 185 – 186

Testing of the chloride threshold values for reinforced concrete structures
Author(s): H.E. Sørensen, S.L. Poulsen, E.P. Nielsen
Pages: 187 – 188

Protection of steel in concrete using galvanic and hybrid electrochemical treatments
Author(s): Gareth Glass, Christian Christodoulou, Steven Holmes
Pages: 189 – 190

Mechanical behaviour of basalt fibre-reinforced plastics and their durability in an alkaline environment
Author(s): S. Müller, M. Butler, V. Mechtcherine
Pages: 191 – 193

Towards correlating natural and accelerated chloride-induced corrosion in cracked RC preliminary results
Author(s): M. Otieno, H. Beushausen & M.G. Alexander
Pages: 194 – 196

Improving concrete durability through the use of corrosion inhibitors
Author(s): I.N. Robertson
Pages: 197 – 198

Theme 2: Condition assessment of concrete structures - Degradation assessment and service life aspects


Conservation of concrete structures in fib model code 2010
Author(s): S.L. Matthews, T. Ueda, A. Bigaj-van Vliet
Pages: 201 – 202

Non-destructive building diagnosis in the monitoring and inspection of existing building structures
Author(s): A. Walther, A. Hasenstab
Pages: 203

Concrete deterioration in mining structures
Author(s): A. Masarira, T.L. Bopape
Pages: 204 - 205

Case Studies of concrete deterioration in reinforced concrete chimneys
Author(s): Manu Santhanam
Pages: 206 - 207

An investigation into failures and problems of industrial floors on the ground—with an emphasis on case studies
Author(s): R.S. Walls, S.E. Ekolu
Pages: 208 - 209

Concrete damage in underground structures
Author(s): F. Mittermayr, D. Klammer, D. Höllen & M. Dietzel, C. Kurta, A. Leis, M.E. Böttcher
Pages: 210 - 212

Managing risk for concrete repair to multi-storey buildings
Author(s): P. Storey, J.A. Wium
Pages: 213 - 214

Condition assessment and repair strategy for seawater intake structure in Saudi Arabia
Author(s): M.K. Rahman, M. Ibrahim, S.M. Shaahid, M. Barry, M. Alkami, M.R. Taha
Pages: 215 - 216

Corrosion damage of concrete structures in ammonium nitrate-based environments
Author(s): I. Pepenar
Pages: 217 - 218

Condition assessment and repair of antenna towers concrete foundations
Author(s): I. Banjad Pecur, N. Stirmer, B. Milovanovic
Pages: 219 - 220

Repair and restoration of “Dalle de Verre” concrete windows
Author(s): M. Ünal, H.-C. Kühne
Pages: 221 - 222

Residual structural performance of a 26-year-old corroded reinforced concrete beam
Author(s): W.J. Zhu, R. François
Pages: 223 - 224

Experimental and numerical study on the residual strength of deteriorated prestressed concrete bridge beams affected by chloride attack
Author(s): Y. Tanaka, T. Shimomura, T. Yamaguchi
Pages: 225 - 226

Method to evaluate the residual strength in concrete elements exposed to fire using physic-chemical and microstructural parameters
Author(s): E. Menéndez, L. Vega, C. Andrade
Pages: 227 - 228

Rehabilitation of a large arch dam: Importance of dam safety surveillance
Author(s): L. Hattingh, L. Hattingh
Pages: 229 - 230

Multiple arch dam: Challenges with the rehabilitation of one of the thin, unreinforced, double curvature arches of the Stompdrift Dam
Author(s): J.L. Schoeman, C. Oosthuizen
Pages: 231 - 232

Lombardi slenderness coefficient as one of the criteria for the preliminary evaluation of proposed rehabilitation works at Kouga Dam
Author(s): C. Oosthuizen, C. Mahlabela
Pages: 233 - 234

Observations from the calibration of an arch dam model using ambient modal properties
Author(s): R. Makha & P. Moyo
Pages: 235 - 236

Modal parameter estimation from ambient vibration measurements of a dam using stochastic subspace identification methods
Author(s): P. Bukenya, P. Moyo, C. Oosthuizen
Pages: 237 - 238

Macroscopic ice lens growth: Observations on Swedish concrete dams
Author(s): M. Rosenqvist, K. Fridh, M. Hassanzadeh
Pages: 239 - 240

Theme 2: Condition assessment of concrete structures - NDE/NDT and measurement techniques


Strength monitoring of concrete structures by using Non-Destructive Testing
Author(s): C. Sashidhar, N.V. Ramana, D. Pavan Kumar
Pages: 243 - 245

Main challenges of non destructive evaluation of on-site concrete strength
Author(s): D. Breysse
Pages: 246 - 247

Test method to determine durability of concrete under combined environmental actions and mechanical load
Author(s): L. Wang, Y. Yao, Z. Wang, P. Huang, X. Guan
Pages: 248- 249

Structure testing with Ultrasonic-Echo and Impulse Radar Technique
Author(s): C. Sodeikat
Pages: 250- 251

Influences on layer thickness measurements of concrete coatings by mobile NMR on steel-reinforced concrete constructions
Author(s): J. Orlowsky, M. Raupach
Pages: 252- 253

Shape factors of four point resistivity method in presence of rebars
Author(s): A.J. Garzon, C. Andrade, N. Rebolledo, J. Fullea, J. Sanchez, E. Menendez
Pages: 254- 255

Statistical analysis of electrical resistivity as a tool for estimating cement type of 12-year-old concrete specimens
Author(s): J. Pacheco, O. Morales-Nápoles, R.B. Polder
Pages: 256- 257

Measurement and visualisation of the actual concrete resistivity in consideration of conductive layers and reinforcement bars
Author(s): K. Reichling, M. Raupach
Pages: 258- 259

Practical operation of data-logging covermeters and the interpretation of results
Author(s): J.F. Fletcher, C.I. Woolhouse
Pages: 260- 261

Modern damage detection by using static assessment methods for efficient rehabilitation
Author(s): F. Scherbaum, J. Mahowald, D. Waldmann, S. Maas, A. Zürbes
Pages: 262- 263

Strengthening of reinforced concrete slabs built around the year 1910
Author(s): S. Gmainer, J. Kollegger
Pages: 264- 265

Analysis of the strain transfer mechanism between a truly distributed optical fiber sensor and the surrounding medium
Author(s): J.M. Henault, J. Salin, G. Moreau, M. Quiertant, F. Taillade, K. Benzarti, S. Delepine-Lesoille
Pages: 266- 267

Investigation of the crack opening and damage monitoring of textile reinforced cementitious composites using digital image correlation
Author(s): E.Tsangouri, D. Van Hemelrijck
Pages: 268- 269

A non-destructive test method for the performance of hydrophobic treatments
Author(s): U. Antons, J. Orlowsky, M. Raupach
Pages: 270- 271

Examination of the hydration of cementitious binders with fly ash and blast furnace slag using in-situ XRD
Author(s): A. Vollpracht, W. Brameshuber
Pages: 272- 273

Passive infrared thermography as a diagnostic tool in civil engineering structural material health monitoring
Author(s): M. Scott, H. Luttig, M. Strydom, M. Gonelli, D. Kruger, R.G.D. Rankine, T. Broodryk
Pages: 274- 275

Active thermography as a quality assurance for structural engineering
Author(s): F.U. Vogdt, F. Schaudienst, M. Walsdorf-Maul
Pages: 276- 277

Infrared thermography applications for the quality control of concrete elements strengthened with FRP
Author(s): G. Concu, B. De Nicolo, C. Piga, N. Trulli
Pages: 278- 279

Structural reliability targets for assessment of ageing infrastructure
Author(s): M. Kabani, P. Moyo, M.G. Alexander
Pages: 280- 281

Impact of mobile cranes on medium span bridges
Author(s): V. Gaya, P. Moyo
Pages: 282- 283

Theme 2: Condition assessment of concrete structures - Materials and structural assessments


Lessons from the Big Dig
Author(s): D.W. Fowler
Pages: 287- 288

Differing results from inspection and load rating of Sikanni Chief Bridge
Author(s): P. Phillips, R. El-Hacha
Pages: 289- 290

A new life for ultra low strength concrete, Brisbane City Hall
Author(s): Albert N van Grieken
Pages: 291- 292

Testing, maintenance and reinforcement of the Pietrastretta RA05 motorway viaduct
Author(s): A. Contin, E. Viviani, M. Cavetti, M. Viviani
Pages: 293- 294

Residual structural performance of deteriorated RC bridge girder with reinforcement corrosion
Author(s): T. Shimomura, Y. Tanaka, T. Yamaguchi
Pages: 295- 296

Residual shear capacity of continuous reinforced concrete beams
Author(s): Y. Yang, J.A. den Uijl, J.C. Walraven
Pages: 297- 298

Shear assessment of solid slab bridges
Author(s): E.O.L. Lantsoght, C. van der Veen, J.C. Walraven
Pages: 299- 300

Upgrading of bridges across rivers to resist ship impact
Author(s): R. Wensauer, M. Keuser, R. Lenner, W. Keuser
Pages: 301- 302

Through-life management of LPS dwelling blocks, including their structural assessment for accidental loads and actions
Author(s): S.L. Matthews, B. Reeves
Pages: 303- 304

Condition assessment and repair of concrete tunnel lining after fire
Author(s): K. Mavar, E. Marušić
Pages: 305- 306

Theme 3: Concrete repair, rehabilitation and retroffiting - Repair methods, materials and techniques


Random thoughts on concrete repair specifications’ Ills and treatment prescriptions
Author(s): R.M. Snover, A.M. Vaysburd, B. Bissonnette, D.F. Burke
Pages: 309- 311

Concrete repair as an engineering task: An approximate solution to an exact problem
Author(s): A.M. Vaysburd, P.H. Emmons, B. Bissonnette
Pages: 312- 314

Concrete repair materials, polymers and green chemistry—how far synergistic are they?
Author(s): Anjan K. Chatterjee
Pages: 315- 316

Performance and service life of repairs of concrete structures in The Netherlands
Author(s): J.H.M. Visser, Q.F. van Zon
Pages: 317- 318

Development of repair mortars for the restoration of natural stone in cultural heritage
Author(s): P. Ramge, H.-C. Kühne
Pages: 319- 320

Maintenance of aged concrete structures of the Hong Kong Housing Authority
Author(s): H.W. Pang, Bosco Au, K.C. Lau
Pages: 321- 322

Sustainability-focused maintenance strategy for the public rental housing estates in Hong Kong
Author(s): S.T. Chan, H.W. Pang, Bosco Au
Pages: 323- 324

The effect of pulse current on energy saving during Electrochemical Chloride Extraction (ECE) in concrete
Author(s): Tian R. Sun, Mette R. Geiker, Lisbeth M. Ottosen
Pages: 325- 326

Modern repair technique for an ancient temple
Author(s): R. Anupadma, M.S. Mathews, G. Appa Rao, T. Satyamurthy
Pages: 327- 328

Repair of deteriorated concrete containing recycled aggregates
Author(s): A. Badr, L. McGivern
Pages: 329- 330

Physico-chemical properties and durability of polymer modified repair materials
Author(s): I.L. Tchetgnia-Ngassam, F. Lespinasse, S. Marceau, T. Chaussadent
Pages: 331- 332

Polymer-modified Self-Compacting Concrete (PSCC) for concrete repair
Author(s): K.A. Bode, A. Dimmig-Osburg
Pages: 333- 334

Effect of weathering on polymer modified cement mortars used for the repair and waterproofing of concrete
Author(s): Ajay Krishnan, Priya S. Nair, Ravindra Gettu
Pages: 335- 336

Case history of polymer-modified cementitious membrane used to protect new and repair concrete
Author(s): P. Nieuwoudt, P. Zaffaroni, C. Pistolesi
Pages: 337- 338

Use of starch modified concrete as a repair material
Author(s): A.A. Akindahunsi, H.C. Uzoegbo, S.E. Iyuke
Pages: 339- 340

Mitigation of ASR affected concrete in Boston, MA, USA: A case study
Author(s): A.F. Bentivegna, T. Drimalas, J.H. Ideker, S. Hayman
Pages: 341- 342

Shrinkage cracking of steel fibre-reinforced and rubberized cement-based mortars
Author(s): T.-H. Nguyen, A. Toumi, A. Turatsinze
Pages: 343- 344

Development of a liquid bio-based repair system for aged concrete structures
Author(s): V. Wiktor, A. Thijssen, H.M. Jonkers
Pages: 345- 346

Development of bio-based mortar system for concrete repair
Author(s): M.G. Sierra-Beltran, H.M. Jonkers
Pages: 347- 348

Full scale application of bacteria-based self-healing concrete for repair purposes
Author(s): Henk M. Jonkers, Renée Mors
Pages: 349- 350

Evaluation of crack patterns in SHCC with respect to water permeability and capillary suction
Author(s): C. Wagner, A. Dollase, V. Slowik
Pages: 351- 352

Cathodic protection of concrete structures with thermally sprayed sacrificial zinc anodes—critical parameters for the protective ability of the sprayed-on anode
Author(s): Bror Sederholm, Anders Selander, Jan Trägårdh
Pages: 353- 354

Repair of concrete members of seaside apartment buildings deteriorated by steel corrosion
Author(s): W. Schwarz, F. Müllner, A. van den Hondel
Pages: 355- 356

Galvanic corrosion protection of steel in concrete with a zinc mesh anode embedded into a solid electrolyte (EZA): Operational data and service time expectations
Author(s): W. Schwarz, F. Müllner, A. van den Hondel
Pages: 357- 358

The use of discrete sacrificial anodes in reducing corrosion rate in chloride-contaminated RC
Author(s): P.A. Arito, H. Beushausen, M.G. Alexander, M. Otieno
Pages: 359- 360

Theme 3: Concrete repair, rehabilitation and retroffiting - Bonded concrete overlays and patch repairs


Concrete overlays for pavement rehabilitation summary
Author(s): Peter C Taylor, Dale Harrington
Pages: 363- 364

Optimizing the steel fibre and mesh combinations used in repairing existing pavements with Ultra Thin Continuously Reinforced Concrete Pavements (UTCRCP)
Author(s): E.P. Kearsley, H.F. Mostert
Pages: 365- 366

Effect of repair materials on durability indexes of concrete
Author(s): P. Parbhoo, H. Lyimo, S.O. Ekolu
Pages: 367- 368

Concrete heritage: Tentative guidelines for the ‘Patch Restoration Method’
Author(s): J. Valença, C. Almeida, E.S. Júlio
Pages: 369- 370

Fatigue crack propagation model for bi-material interfaces
Author(s): Sonalisa Ray, J.M. Chandra Kishen
Pages: 371- 372

Mechanical properties of old concrete—UHPFC interface
Author(s): Bassam A. Tayeh, B.H. Abu Bakar, M.A. Megat Johari
Pages: 373- 374

Bond characteristics of substrate concrete and repair materials
Author(s): M.I. Khan, T.H. Almusallam, S.H. Alsayed, Y.A. Al-Salloum, A.A. Almosa
Pages: 375- 376

Investigations on the performance of concrete repair mortars in composite specimen tests
Author(s): P. Ramge, H.-C. Kühne
Pages: 377- 378

Topography evaluation methods for concrete substrates: Parametric study
Author(s): L. Courard, A. Garbacz, B. Bissonnette
Pages: 379- 380

Modeling water absorption of the concrete substrate in concrete repairs
Author(s): M. Luković, B. Šavija, G. Ye, J. Zhou
Pages: 381- 382

Textile reinforced sprayed mortar for the repair of hydraulic engineering structures
Author(s): J. Orlowsky, M. Raupach
Pages: 383- 384

Shrinkage stress damage effect in concrete patch repair
Author(s): M.A. Shazali, M.K. Rahman, M.H. Baluch
Pages: 385- 386

Performance of Engineered Cementitious Composite for concrete repairs subjected to differential shrinkage
Author(s): J. Zhou, G. Ye, T. Sui
Pages: 387- 388

Cracking characteristics of cement mortars subjected to restrained shrinkage
Author(s): M. Chilwesa, H. Beushausen
Pages: 389- 390

Theme 3: Concrete repair, rehabilitation and retroffiting - Structural repairs and strengthening


Retrofitting of Bridge B421 over the Olifants River after flood damage
Author(s): W. Findlay, F. Kromhout
Pages: 393- 394

Strengthening of traffic barriers on bridges along the Kaaimans Pass
Author(s): B.P. Durow, G.A. Visser, E.J. Kruger
Pages: 395- 396

Assessment and strengthening of R/C hospital building—case study
Author(s): Osama M.A. Daoud
Pages: 397- 398

Repair and dynamic-based condition assessment of impact damage to a freeway overpass bridge near Mossel Bay, South Africa
Author(s): A.A. Newmark, P. Moyo, E.J. Kruger
Pages: 399- 400

Upgrading of three historic arch bridges over the Orange River near Keimoes, South Africa
Author(s): A.A. Newmark, E.J. Smuts, E.J. Kruger, E. Lourens
Pages: 401- 402

Analysis and retrofitting design of a single-span R.C. bridge
Author(s): D. Meloni, B. De Nicolo, A. Cabboi
Pages: 403- 404

Verification of bridge repair assisted by numerical simulation
Author(s): V. Cervenka, J. Cervenka
Pages: 405- 406

Repairing preloaded square columns by ferrocement jackets made of non-structural WWMs
Author(s): S.M. Mourad, M.J. Shannag
Pages: 407- 408

Experimental results of RC columns strengthened with Fibre Reinforced Cementitious Mortars
Author(s): P. Colajanni, F. De Domenico, N. Maugeri, A. Recupero, N. Spinella, G. Mantegazza
Pages: 409- 410

The enhancement of performance on road tunnel lining by epoxy injection and carbon fiber reinforcement
Author(s): JinHo Choo, HongKyun Kim, TeaJong Lee, SungWoo Park, TeaGook Yoon
Pages: 411- 412

Strengthening of R/C beams using ultra high performance concrete
Author(s): E. Fehling, M. Alkhoury
Pages: 413- 414

Experimental investigation on the effectiveness of patch repair on the flexural behavior of corroded post-tensioned beams
Author(s): M. Shekarchi, F. Ghasmzadeh, S. Sajedi, S.A. Razavizadeh, M.J. Mohebbi
Pages: 415- 416

Numerical investigation on the effectiveness of patch repair on the flexural behavior of corroded post-tensioned beams
Author(s): M. Shekarchi, S. Sajedi, F. Ghasemzadeh, S.A. Razavizadeh, A. Manafpour
Pages: 417- 418

Flexure retrofitting of ribbed one-way reinforced concrete slabs through external reinforcing bars
Author(s): F. Minelli, G.A. Plizzari
Pages: 419- 420

Analysis of structural rehabilitation of historical masonry with reinforced concrete
Author(s): N.G. Maldonado, P.E. Martín, I.A. Maldonado
Pages: 421- 422

Dual function carbon fibre strengthening and cathodic protection anode for reinforced concrete structures
Author(s): C.V. Nguyen, P.S. Mangat, P. Lambert, F.J. O’Flaherty, G. Jones
Pages: 423- 424

Repairing and retrofitting prestressed concrete water tanks in seismic areas
Author(s): Karl C. Kuebitz, Tom Bloomer
Pages: 425- 426

Post-installed bars under low installation temperatures
Author(s): C. Mahrenholtz, R. Eligehausen, W. Fuchs, J. Hofmann
Pages: 427- 428

Application of post-installed anchors for seismic retrofit of RC beam-column joints: Design and validation
Author(s): G. Genesio, R. Eligehausen, A. Sharma, S. Pampanin
Pages: 429- 430

Theme 3: Concrete repair, rehabilitation and retroffiting - Retroffiting techniques and FRP systems


Anchoring FRP laminates for the seismic strengthening of RC columns
Author(s): R. Sadone, M. Quiertant, E. Ferrier, S. Chataigner, J. Mercier
Pages: 433- 434

Confinement of short concrete columns with CFRP wraps subjected to concentric and eccentric loading
Author(s): Asad-ur-Rehman Khan, Shamsoon Fareed
Pages: 435- 436

Corner beam-column joints retrofitting with HPFRC jacketing
Author(s): C. Beschi, P. Riva, A. Meda
Pages: 437- 438

Cracking behaviour of RC members strengthened with CFRP strips
Author(s): W. Ibrahim, J. Hegger, A. Sherif
Pages: 439- 439

Shear strengthening of RC hollow box bridge columns using FRP and RC jacketing
Author(s): M. Fischinger, T. Isaković
Pages: 440- 441

Flexural performance of repaired reinforced concrete beam containing DFRCC materials
Author(s): S.F.U. Ahmed
Pages: 442- 443

Retrofitting bridges to accommodate single point interchanges on the Gauteng Freeways Improvement Project
Author(s): R. Nel, S.S. Kramer, R.G. Miller
Pages: 444- 445

Investigation of shear bonding behavior between base concrete and polymer-modified mortar with CFRP grid
Author(s): Junlei Zhang, Kentaro Ohno, Kimitaka Uji, Atsushi Ueno, Yuko Ogawa
Pages: 446- 448

The influence of externally bonded longitudinal TRC reinforcement on the crack pattern of a concrete beam
Author(s): S. Verbruggen, J. Wastiels, T. Tysmans, O. Remy, S. Michez
Pages: 449- 450

Retrofitting of structural concrete after damage caused by impact or explosion
Author(s): M. Keuser, R. Lenner, M. Fuchs
Pages: 451- 452

Debonding of external CFRP plates from RC structures caused by cyclic loading effects
Author(s): A.J. Badenhorst, G.P.A.G. van Zijl
Pages: 453- 454

An improved damage model to predict the failure process in FRP/concrete assemblies
Author(s): K. Benzarti, G. Ruocci, P. Argoul, F. Freddi
Pages: 455- 457

Mechanical fastening of multi-directional CFRP laminates in concrete
Author(s): P. Desnerck, L. Vasseur, H. Van Hoecke
Pages: 458- 459

TRM and UHPFRC: Retrofitting solutions for structural elements
Author(s): A. Magri, M. Colombo, M. di Prisco
Pages: 460- 461

Analytical study on behavior of External Shear Wall and Internal Shear Wall as lateral load resisting systems for retrofitting a ten storey building frame
Author(s): S.V. Venkatesh, H. Sharada Bai an, S.P. Divya
Pages: 462- 463

Retrofit of a reinforced concrete building with lead rubber bearing in Iran
Author(s): M. Jamali Golzar, Y. Yasrebi Nia, M.A. Jamali Golzar
Pages: 464- 465

Theme 4: Developments in materials technology, assessment and processing


Influence of intensive vacuum mixing on the compressive strength of cementitious materials
Author(s): J. Dils, G. De Schutter, V. Boel
Pages: 469- 470

Underwater concreting by using two-stage concrete (Laboratory study)
Author(s): H.S. Abdelgader, A.S. El-Baden
Pages: 471- 472

Robustness improvement of fresh concrete and mortar performance for challenging casting environments with focus on sub-Saharan Africa
Author(s): W. Schmidt, N.S. Msinjili, H.-C. Kühne, M.V.A. Florea, G. Senthil Kumaran, Paul Nibasumba
Pages: 473- 475

Technical-economical consequences of the use of controlled permeable formwork
Author(s): R. Torrent, A. Griesser, F. Moro, F. Jacobs
Pages: 476- 477

An investigation on effect of aggregate grading on fresh properties of Self-Consolidating Mortar
Author(s): N.A. Libre, A. Pourzarabi, A.M. Etemadrezaei, M. Shekarchi
Pages: 478- 479

Strength of recycled aggregate concrete for structural uses
Author(s): S.C. Paul, G.P.A.G. van Zijl
Pages: 480- 481

Concrete containing steel slag aggregate: Performance after high temperature exposure
Author(s): I. Netinger, M. Jelčić Rukavina, D. Bjegović, A. Mladenovič
Pages: 482- 483

Completely Recyclable Concrete: How does the cement paste behave during reclinkering?
Author(s): M. De Schepper, R. Snellings, N. De Belie, K. De Buysser, I. Van Driessche
Pages: 484- 485

Influence of particle packing on the strength of ecological concrete
Author(s): S.A.A.M. Fennis, J.C. Walraven, J.A. den Uijl
Pages: 486- 487

Development of geo-polymer based Ductile Fibre Reinforced Cementitious Composites (DFRCC)
Author(s): S.F.U. Ahmed, M. Hossain, Y.Y. Lu
Pages: 488- 489

Load-deformation behavior of hybrid elements of PCC and CC under flexural stress
Author(s): A. Flohr, A. Dimmig-Osburg
Pages: 490- 491

Fatigue behaviour of self-compacting concrete
Author(s): S. Korte, V. Boel, W. De Corte, G. De Schutter
Pages: 492- 494

Velocity profile of self compacting concrete and traditional concrete flowing in a half open pipe
Author(s): H.D. Le, G. De Schutter, E.H. Kadri, S. Aggoun, J. Vierendeels, P. Troch
Pages: 495- 496

Deformation of concrete subject to freeze-thaw cycles combined with chloride salt solution
Author(s): Zhendi Wang, Yan Yao, Ling Wang, Yin Cao
Pages: 497- 498

Thermal expansion of high-performance cement paste and mortar at early age
Author(s): M. Wyrzykowski, P. Lura
Pages: 499- 500

Development of new lime binder for building bio-aggregate materials
Author(s): T.M. Dinh, C. Magniont, M. Coutand, G. Escadeillas
Pages: 501- 503

‘Buffer’ effects of natural zeolites in blended cements
Author(s): R. Snellings
Pages: 504- 505

Evaluation of steel fiber distribution in a concrete matrix
Author(s): S.A. Yehia
Pages: 506- 507

Contribution to study of the self-healing effect activated by crystalline catalysts in concrete structures when subjected to continuous exposure to water
Author(s): E.M. Takagi, M.G. Lima, P.R.L. Helene
Pages: 508- 509

Strength behaviour of clay-cement concrete and quality implications for low-cost construction materials
Author(s): F. Solomon, S.E. Ekolu
Pages: 510- 511

Characterisation and description of the structure of metakaolin by total scattering, density functional theory, and X-ray spectroscopy
Author(s): C.E. White, J.L. Provis, D.P. Riley, Th. Proffen, L.M. Perander, J.S.J. van Deventer
Pages: 512- 514

The comparison between the cracking behaviour of bending and tension for Strain Hardening Cement-based Composites (SHCC)
Author(s): P.D. Nieuwoudt, W.P. Boshoff
Pages: 515- 516

Influence of temperature on the hydration of blended cements
Author(s): B. Lothenbach, G. Le Saout
Pages: 517- 518

Thermodynamic modeling of sulfate interaction
Author(s): B. Lothenbach, W. Kunther, A.E. Idiart
Pages: 519- 520

An ongoing investigation on modeling the strength properties of water-entrained cement-based materials
Author(s): Luís Pedro Esteves
Pages: 521- 522

Theme 5: Concrete technology and structural design


Concrete knowledge improvement in sub-Saharan Africa
Author(s): N.S. Msinjili, W. Schmidt, G.J.G. Gluth, M.V.A. Florea, G. Senthil Kumaran, A.A. Akindahunsi, H.C. Uzoegbo, I. Stipanović Oslaković
Pages: 525- 527

Evaluation of concrete quality in Libya
Author(s): Mohamed. S. Alazhari, Milad. M. Al Shebani
Pages: 528- 529

Who will be making high performance concrete?
Author(s): Michael Khrapko
Pages: 530- 531

The role of the structural engineer in the design of low embodied energy concrete-frame buildings
Author(s): R. Muigai, M.G. Alexander, P. Moyo
Pages: 532- 533

Synthetic climate modeling for estimating the impact of global warming on construction materials
Author(s): D. Breysse, M. Chaplain, A. Marache
Pages: 534- 536

Resistance factors for shear capacity of ordinary and lightweight R/C beams
Author(s): A.S. Nowak, A.M. Rakoczy
Pages: 537- 538

Global safety factor for slender reinforced concrete structures
Author(s): D.L. Allaix, V.I. Carbone, G. Mancini
Pages: 539- 540

Time-dependent analysis of segmentally constructed cantilever bridge comparing two different creep models
Author(s): G.F. Giaccu, D. Solinas, G.P. Gamberini
Pages: 541- 542