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