 |
Prof. Dr. Kevin J. Folliard, folliard@mail.utexas.edu
Associate Professor, The University of Texas at Austin, USA
Kevin Folliard is an Associate Professor and Austin Industries Endowed Teaching Fellow in the Department of Civil, Architectural, and Environmental Engineering at the University of Texas at Austin. Prior to joining the faculty at the University of Texas at Austin in September, 1999, Dr. Folliard was an Assistant Professor at the University of Delaware, and previous to this, he worked for W.R. Grace & Co. in Cambridge, Massachusetts as a Research Associate Engineer. He was responsible for the research and development of various concrete admixtures.
Dr. Folliard’s main research interests are in the area of concrete durability, including alkali-silica reaction, delayed ettringite formation, sulfate attack, and frost attack. He founded the Concrete Durability Center at the University of Texas at Austin in 2001. He is Chair of American Concrete Institute (ACI) Committee 201 (Durability of Concrete). He was awarded the ACI Young Member Award for Professional Achievement in 2002 and was elected a Fellow of ACI in 2003. Dr. Folliard is a member RILEM TC 219 ACS committee and will be the lead organizer for the 14th ICAAR in Austin, TX in 2012.
|
 |
Prof. Dr. Benoit Fournier, benoit.fournier@ggl.ulaval.ca
Professor, Université Laval Québec (Québec) Canada
Since september 2007, Dr. Benoit Fournier has joined the Department of Geology and Engineering Geology of Laval University in Québec City, where he got his PhD from in 1993. Between 1990 and 2007, Dr. Fournier has been research scientist and manager of the Concrete Technology Program of CANMET-MTL, Department of Natural Resources Canada, Ottawa (Canada). His main research interests are in the various aspects of aggregates technology, recycling and sustainable development in construction, the durability of concrete, especially concrete incorporating supplementary cementing materials (SCM) and the issue of alkali-aggregate reaction. He is the immediate past-chair of CSA A3000 Committee on Hydraulic Cements and SCM. He is the chair of CSA technical group on Alkali-Aggregate Reaction. He is also member of RILEM committee TC-ARP.
|
 |
Prof. Dr. Michael D. A. Thomas, mdat@unb.ca
Professor of Civil Engineering, University of New Brunswick – Canada
Michael Thomas is a Professor in the Department of Civil Engineering at the University of New Brunswick (UNB) and a registered Professional Engineer in the province of New Brunswick. He has been working in the field of cement and concrete research since 1983. Prior to joining UNB in 2002 he had been on faculty at the University of Toronto since 1994 and previous to this he worked as concrete materials engineer with Ontario Hydro in Canada and as a research fellow with the Building Research Establishment in the UK. Dr. Thomas’s main research interests are concrete durability and the use of industrial by-products including pozzolans and slag. His studies on durability have included alkali-silica reaction, delayed ettringite formation, sulfate attack, deicer-salt scaling, carbonation, chloride ingress and embedded steel corrosion. He is also active in the area of service-life modeling, and in the repair and maintenance of concrete structures. He has authored more than 100 technical papers and reports on these subjects, and is a co-author of the service-life model, Life-365. He has been working on alkali-silica reaction (ASR) in concrete for more than 20 years and during this time he has been involved with the following activities related to ASR: (i) fundamental studies on the reaction, (ii) development of test methods, (iii) specification writing, (iv) evaluation of preventive measures for new construction, (v) diagnosis and evaluation of structures affected by ASR, and (vi) development and application of treatments for mitigating ASR in existing ASR-affected structures.
Dr. Thomas is active on technical committees within the American Concrete Institute (ACI), ASTM, RILEM, and the Canadian Standards Association. He was a recipient of the ACI’s Wason Medal for Materials Research in 1997, the ACI Construction Practice Award in 2001 and was elected to a Fellow of the Institute in 2006. Dr. Thomas is also the President of C&CS Atlantic Inc. and provides consulting services in the area of concrete materials, performance, rehabilitation and litigation. In 2005, Dr. Thomas and his colleague Dr. Kevin Folliard of the University of Texas in Austin formed School of Concrete Inc. to provide training courses, educational seminars and workshops for industry, government and academia.
|
 |
Dr Ian Sims, isims@rsk.co.uk / ian@simsdoc.com
Director, RSK STATS Limited, United Kingdom
Director Responsible for RSK STATS Materials Consultancy & Expert Witness Services
Ian Sims graduated in Geology from London University in 1972, then carried out doctoral research in Concrete Technology and was awarded a PhD in 1977 (Investigations into some chemical instabilities of concrete). This research included alkali-silica reactivity and especially the newly discovered ASR damage to a dam in the Channel Islands and a new assessment of the risk of damage involving UK flint aggregates; Ian correctly predicted that, contrary to previous reassurance in the UK, ASR damage to flint concrete structures was likely.
Ian has worked in specialist engineering consultancy since 1975, when he joined the Sandberg practice in London and shortly afterwards established and thereafter developed their geological and petrographical facilities. At that time he was especially involved with materials and concretes in the Arabian Gulf, where examples of AAR included ASR, alleged ASR (actually expansion caused by sulphates) and reactions involving carbonates. Ian was also involved in confirming the first recognised cases of ASR damage on the UK mainland and, in due course, acted as an expert witness in the large Royal Devon & Exeter Hospital arbitration, to date the only ASR litigation to reach the hearing stage in the UK. Overseas, Ian was also extensively engaged in ASR investigations in the Far East, especially in Hong Kong and nearby parts of mainland China. Based on all this experience, Ian actively participated in development of all the AAR and related guidance published in the UK, variously by the Concrete Society, the British Cement Association, the Building Research Establishment, the Institution of Structural Engineers, the Geological Society and, of course, the British Standards Institution.
After reaching Senior Associate level with Sandberg, in 1996 Ian joined STATS Limited, another materials engineering consultancy based in St Albans (just north of London), being appointed as a Main Board Director and subsequently also becoming a shareholder. STATS joined the RSK Group plc in 2008 and underwent restructuring in 2009, when Ian became a Director of RSK STATS Limited, now based in Hemel Hempstead (also just north of London), which includes his Materials Consultancy team and the UKAS-accredited laboratories. In 1988, the Paris-based, international RILEM organisation established a technical committee on AAR and Ian was invited to join the TC and become its Secretary. Since then, the original TC 106 has been superseded and its scope extended, first by TC 191-ARP and now by the still current TC 219-ACS, and Ian continues to be the Secretary. Impressive progress has been made by these RILEM committees, with the development and widespread adoption of various test methods, procedures and guidance documents for international application. Ian was honoured with RILEM Fellowship in 2007. Ian has participated in the last 11 of the 13 international conferences on AAR that have taken place between 1974 and 2008, and since 2000 has been the UK representative on the International Organising Committee. In terms of AAR, Ian was a chapter author in the 1992 book edited by Narayan Swamy (The Alkali-Silica Reaction in Concrete) and is currently coediting a new edition. He was also a chapter author in the current (1998) edition of Lea's Chemistry of Cement and Concrete, and in the 4-volume course book on Advanced Concrete Technology (2003). Ian's main book project, as a co-author, is Concrete Petrography: a handbook of investigative techniques, which was first published in 1998 and will be re-issued as a revised and improved edition in 2010.
|
 |
Prof. Dr. Jonathan G M Wood, jonathan@ss-design.demon.co.uk
Director, Structural Studies & Design Ltd.
British Chartered Civil and Structural Engineer, RAEng Visiting Professor in Principles of Engineering Design at Aston University 1996-2006.
Specialist in the management of testing and special investigations of concrete deterioration, the specification of construction materials, and the design and rehabilitation of damaged structures, bridges and tunnels. Active in the practical application of research and development on AAR to over 100 structures since 1981, as written up in papers to all ICAAR conferences since 1982.
Founded Structural Studies and Design Ltd, a specialist consulting engineering practice, in 1992. Projects have included:
- International practice advising on the inspection, assessment and remedial works to dams, bridges and buildings deteriorating from Alkali Aggregate Reaction, frost and corrosion.
- Forensic investigations, remedial design and expert witness work on defective and deteriorated structures.
- Mix development for durability for concrete in severe environments.
- Advising English Heritage and others on the conservation of historic concrete buildings, marine and bridge structures with AAR and other forms of deterioration.
1982 – 1992 he created and led the 25 strong team at Mott MacDonald providing specialist engineering services on new construction and deteriorating structures. Projects in worldwide on bridges, tunnels, hospital buildings, shopping centres, included investigation, supervision of testing, instrumentation and monitoring, design and implementation of remedial works, acting as expert witness in litigation and the preparation of durability specifications. Studies on the durability of tunnel linings, led to the specification of concrete and protective measures for the Channel Tunnel and the Storebaelt Crossing in Denmark.
Carried out detailed investigations, and when appropriate remedial works, on over 100 structures with Alkali Aggregate Reaction including bridges, dams, offices and hospital buildings. Developed improved testing and appraisal procedures, which were incorporated into the Institution of Structural Engineers Report on the 'Structural effects of ASR'.
|
 |
Senior Scientist Jan Lindgård, jan.lindgard@sintef.no
Senior scientist - SINTEF Building and Infrastructure, Trondheim, Norway
Jan Lindgård is a senior scientist at SINTEF Building and Infrastructure, Trondheim, Norway, where he has the professional responsibility for the topics concrete aggregates and alkali-aggregates reactions (AAR), including structural analysis. He is assistant leader of the task group “Performance testing” of RILEM Technical Committee TC 219-ACS “Alkali aggregate reactions in Concrete Structures” (2006-2011). He has the last ten years given lectures at the Norwegian University of Science and Technology (NTNU) in the field concrete aggregates and AAR.
His main research experiences with respect to AAR are field survey, moisture conditions, laboratory analysis of drilled samples (including structural analysis), aggregate properties related to AAR, laboratory testing of aggregates and concrete (performance testing). During the last 15-20 years he has been involved in the development of AAR test methods, both on a national and a global scale, in addition to being the professional secretary for the committee responsible for the development of the Norwegian regulations for AAR. He is currently working on his PhD project related to reliable AAR performance testing methods.
|
 |
Dr. Maarten A.T.M. Broekmans, maarten.broekmans@ngu.no
Geological Survey of Norway
Maarten has a background in (applied) mineralogy and geochemistry, and has been working on concrete damage since his graduation from Utrecht University in 1992. He has particular expertise on the mineralogical and geochemical characterization of building materials deterioration, with research focus on the reactivity of quartz in deleterious ASR. He is familiar with a range of analytical techniques, and has lectured courses on mineralogy and geochemistry for building materials characterization across Europe, North America, Singapore and Australia. Maarten has authored over 50 papers on diverse forensic aspects of concrete damage, and is now editor-in-chief of a reference work “Comprehensive Materials Characterization” for Elsevier Publishers, comprising 8400 pages and scheduled for publication in 2013.
Maarten was Editor-in-Chief for the 13th International Conference on Alkali-Aggregate Reactions in Concrete (ICAAR), held June 2008. In September 2008, he was elected Vice-President for the International Council for Applied Mineralogy (ICAM), and will preside the scientific committee of the 10th ICAM congress in 2011. He is also initiator of a Mineralogical Society of America (MSA) Short Course titled “Applied mineralogy of cement and concrete” that will be held at the 10th ICAM.
Since August 2006, Maarten has held the position of chairman of the commission on Building Materials for the International Mineralogical Association (IMA), representing 39 national mineralogical organizations with about 40 000 professional members. Maarten is a member of the current RILEM TC 219 ACS committee established in 2007, and has been/still is active in national research committees in the Netherlands (CUR) and Norway (FARIN). He is member of the Applied Petrography Group of The Geological Society of London, and represents the Netherlands in the International AAR Committee. In 2003, Maarten was Editor-in-Chief for the 9th Euroseminar on Microscopy Applied to Building Materials (EMABM).
|
 |
Prof. Dr. Isabel Fernandes, ifernand@fc.up.pt
Geologist, Assistant Professor, Faculty of Sciences, University of Porto, Portugal
Isabel Fernandes holds an MSc degree in Engineering Geology and a PhD in Geology on alkali-silica reaction (ASR) and the evaluation of aggregates for concrete. She has been a regular contributing member of the RILEM (International Union of Laboratories and Experts in Construction Materials, Systems and Structures) Technical Committee TC 219-ACS: Alkali Aggregate Reaction in Concrete Structures: Performance Testing and Appraisal since 2008, and is an active member of the Portuguese Working Group of the European Committee for Standardization CEN/TC 154 – Aggregates. She is also member of the Applied Petrography Group (APG), which is part of The Geological Society of London, and of the International Alkali Aggregate Reaction (AAR) Committee.
In 2007, she was Chair of the 11th Euroseminar on Microscopy Applied to Building Materials, held in Porto, Portugal. In 2009 she was appointed Guest Editor of the international journal Materials Characterization for a Special Issue with capita selecta from the Proceedings of the 11th EMABM.
Prof. Fernandes’ main fields of research are: Petrography applied to building materials (aggregates and concrete), Durability of building materials (alkali-aggregate reaction, sulfate attack, acid attack), and Utilization of different techniques such as light optical microscopy, scanning electron microscopy with semi-quantitative chemical analysis and electron microprobe analysis for the characterization of reaction products in concrete.
Other areas of interest are site investigation for large dams and underground excavations, rock mechanics and forensic geology.
Currently, Isabel Fernandes is Assistant Professor at the University of Porto. In addition to her lecturing duties, she supervises a number of MSc and PhD students with theses covering different topics from engineering geology to evaluation of aggregates for concrete. Her research work, mainly financed by the Portuguese government, is focused on the characterization of aggregates for concrete. She also develops R&D activities with commercial companies, in the areas of aggregate characterization and diagnosis of concrete deterioration mechanisms by petrographic methods.
|
 |
Prof. Dr. Özge Andiç-Çakır, ozge.andic@ege.edu.tr
Assistant Professor, Ege University, Engineering Faculty
Department of Civil Engineering, Materials of Construction Division, Turkey
Özge Andiç-Çakır, holds a Ph.D. in Civil Engineering from Ege University, Izmir, Turkey. She is a member of International AAR Committee and RILEM TC 219 Committee since 2008. She was awarded for the Best Young Scientist at 13th International Conference on Alkali-Aggregate Reaction in Concrete. She holds a position as an assistant professor at Ege University Engineering Faculty Department of Civil Engineering, lecturing on materials of construction and materials testing.
Her main research experiences are AAR test methods which was also the topic of her PhD thesis in 2007, supplementary cementing materials and aggregate properties related to concrete technology. She is now supervising projects in the field of AAR testing in Turkey.
|
 |
Prof. Dr.-Ing. habil. Jochen Stark, jochen.stark@uni-weimar.de
F.A. Finger-Institute for Building Materials Science
Department of Civil Engineering
Bauhaus-University Weimar, Germany
Jochen Stark received his Ph.D. in building materials and process engineering in 1972 at the University in Moscow and worked afterwards in Weimar as supervisor at the research institute for the cement plant construction company Dessau (ZEKOM). He earned his postdoctoral lecture qualification (Habilitation) in 1988 and worked since 1989 as associate professor for building materials at the present Bauhaus-University Weimar. In 1992, he was appointed as professor and founded the F.A. Finger-Institute for Building Materials Science in 1995. His research work has been focused on cement chemistry, durability of concrete and concrete technology. He has been active as independent expert for ASR-damaged concrete structures in more than 100 cases and is one of currently 5 accredited ASR-experts for highway and airfield pavement concretes in Germany.
He released more than 400 publications, 2 educational books and several special issues. He is a member in numerous national committees, e.g. for alkali-silica reaction, freeze-thaw resistance, concrete technology, binders and mineral admixtures. He is a consultant for the German Research Foundation (DFG) and a member of the Saxonian Academy of Sciences. He was several times appointed as honorary professor/doctor, e.g. from the Tongji-University in Shanghai, the National University of Building and Architecture in Kiev and the University Duisburg-Essen. In 2001 he was honoured with the prestigious Wilhelm-Manchot research professorship. He is also a regular RILEM member and involved in the work of TC: 205-DSC, 218-SFC, 219-ACS and 224-AAM.
|
 |
Dipl.-Ing. Katrin Seyfarth, katrin.seyfarth@uni-weimar.de
F.A. Finger-Institute for Building Materials Science
Department of Civil Engineering
Bauhaus-University Weimar, Germany
Katrin Seyfarth finished her studies in building materials and process engineering in 1985 at the present Bauhaus-University Weimar and started as a scientific co-worker at the Building Academy of the GDR in Berlin. Since 1986, she works as research associate and Ph.D. student at the present F.A. Finger-Institute. She supervised basic research projects in the field of cement hydration, light-weight concrete, suitability of cements for heat-cured concretes, effectiveness of fly ashes, delayed ettringite formation, durability of high-performance and self-compacting concretes. In the late 1990s she initiated the work on a performance-based testing method to assess the durability of specific concrete mixtures exposed to outdoor conditions. This approach has been lead to the development of an ASR performance test for specific highway and airfield pavement concretes under exposure of alkali-containing deicing chemicals. She has been involved in preparing expert opinions for numerous ASR-related investigations, especially for highway and airfield pavement concretes.
She is currently leading the ASR-team at the F.A. Finger-Institute, is supervising ASR-related research projects, third-party funded projects as well as bachelor and master students. Her Ph.D. thesis will focus on ASR performance test methods. She was author and co-author of several papers, is a regular member of RILEM TC 219-ACS and of the German sub-committee for the preparation and revision of the German Alkali-Guideline.
|
 |
Dipl.-Ing. Colin Giebson, colin.giebson@uni-weimar.de
F.A. Finger-Institute for Building Materials Science
Department of Civil Engineering
Bauhaus-University Weimar, Germany
Colin Giebson finished his studies in civil engineering in 2004 at the Bauhaus-University Weimar and started working as research associate and Ph.D. student at the F.A. Finger-Institute. He is supervising ASR-related research projects, third-party funded projects as well as bachelor and master students. He has been involved in preparing expert opinions for numerous ASR-related investigations, especially for highway and airfield pavement concretes. He is involved in the development of a new type of ASR performance test, designed to assess the ASR potential of specific concrete mixtures for highway and airfield pavements under exposure of alkali-containing deicing chemicals. His work in this field is especially focused on the mechanisms that trigger the ASR in concretes under deicer exposure.
In 2004 he was honoured with the advancement award “Dornburger Zement” for his diploma thesis about the influence of SCMs on delayed ettringite formation in concrete. In 2008 he received the award for the best contribution at the 13th ICAAR in Trondheim, Norway for his work on the influence of acetate and formate-based deicers on ASR in airfield pavement concretes. He was author and co-author of several papers, is active as journal reviewer and is a regular member of RILEM TC 219-ACS.
|
 |
Dr. Duyou Lu, duyoulu@njut.edu.cn
Nanjing University of Technology, Nanjing, China
Duyou Lu is a professor in the College of Materials Science and Engineering at the Nanjing University of Technology where he got his Ph.D in Materials Science in 2000. From March 2003 to August 2004, he was a visiting research scientist at Concrete Technology Program of CANMET-MTL, Natural Resources Canada, working with Dr. Benoit Fournier on developing testing methods for alkali-silica and alkali-carbonate reactivities and the mix proportion and application of high volume fly ash concrete. He was a visiting fellow at the Department of Civil Engineering of Hong Kong University of Science and Technology from January 2006 to September 2007, working with Professor Zongjin Li on alkali-activated geopolymeric cementitious materials and magnesium oxychloride (MOC) cement.
Prof Lu has been working on various aspects of alkali aggregate reaction in concrete since 1992, including accelerated testing methods for ASR and ACR, evaluation of the effect of various SCMs and chemical admixtures on AAR, the potential alkali contribution from aggregates and its effect on AAR, etc. He has authored more than 40 technical papers and reports on these subjects, and is currently working as a chapter author of a book on AAR edited by Prof. Mingshu Tang. He is an active member of RILEM Technical Committee TC 219-ACS and a member of the Chinese Ceramic Society.
|
 |
Mr. Tetsuya Katayama, katayamat@kge.co.jp / katayama@catv296.ne.jp
Geologist, Kawasaki Geological Engineering Co. Ltd., Japan
Tetsuya Katayama is a consulting petrologist and a registered professional engineer in Japan and APEC. He obtained MSc from the University of Tokyo in 1979 on dolomitization, and joined Central Research Laboratory of Sumitomo Cement Co. Ltd. His first work on hydration of blastfurnace slag was awarded by the Cement Association of Japan. Tetsuya has been a regular presenter in ICAAR since the 7th in 1986. Besides AAR, his research interests cover cement chemistry, clinker petrography, mineralogy of slags and pozzolans, and concrete durability, e.g. chloride attack, chemical corrosions, repair materials. After the Sumitomo Laboratory moved to Osaka, Tetsuya in 1995 joined Kawasaki Geological Engineering Co. Ltd. in Tokyo and gradually refined quantitative SEM-EDS analysis of volcanic glass, ASR gel, cement alkali, and reaction products of ACR. Since 2000, he has been leading the maintenance engineering division for consultancy works on diagnosis, durability assessment and rehabilitation planning of structures (bridges, tunnels, dams, seawalls, etc.). During 30 years of service, he produced over 300 technical and contract reports, including litigation cases with AAR.
Tetsuya made international cooperative studies with Austria, Canada, Iceland, New Zealand and Turkey (first confirmation of ASR), and petrographic examinations of overseas concretes and aggregates from 20 countries. He is a member of ASTM, ACI, JCI and MSA and a reviewer of international journals, and was active on RILEM TC-191. In 2008, Tetsuya was honored with the Gunner M. Idorn Award for lifetime achievement of outstanding contributions to AAR research at the 13th ICAAR in Trondheim.
|
|
Prof. Dr. Børge Johannes Wigum, wigum@mannvit.is
Engineering Geologist, Mannvit Engineering, Iceland
Adjunct Professor, Norwegian University of Science and Technology, Norway
Børge Johannes Wigum, originally from Norway, holds a Ph.D. in Engineering Geology from the Norwegian University of Science and Technology. He is the initiator of the International Centre of Research and Applied Technology for Alkali Aggregate Reactions. He is a regular member of RILEM Technical Committee TC 219-ACS and has since 1999 chaired FARIN (Forum on Alkali-Reactions in Norway). In 2008, he was chairman of the 13th International Conference on Alkali-Aggregate Reactions in Concrete (ICAAR). Before joining the company currently known as Mannvit in 2002, he founded ERGO Engineering Geology Ltd, Iceland. In addition to his position at Mannvit, he holds a position as adjunct professor at the Norwegian University of Science and Technology in Trondheim, Norway, lecturing on aggregate technology and supervising PhD students.
His main research experiences are aggregate properties related to AAR, including petrographic examination and the structural state and deformation of quartz minerals, which also was the topic of his PhD thesis in 1995. During the last 20 years he has been involved in the development of test methods, criteria and recommendations regarding AAR in Norway. He is now supervising similar work on Iceland, with the emphasis of research and development of the RILEM performance tests.
|