Meetings & Events

1995 MRS Fall Meeting

November 27–December 1, 1995
Boston, Massachusetts
Meeting Chairs: Michael J. Aziz, Berend T. Jonker, Leslie J. Struble

Symposium R—Mechanism of Chemical Degradation of Cement-Based Systems

Chairs

Karen L. Scrivener, Imperial College
J. Francis Young, University of Illinois, Urbana
Waldemar A. Klemm, Construction Technology Laboratories, Inc.
Vagn Johansen, G.M. Idorn Consult
Gregory J. McCarthy, North Dakota State University

Symposium Support

  • Lafarge Fondu International
  • Construction Technology Laboratories, Inc.
  • Portland Cement Association
  • National Science Foundation
  • W.R. Grace & Company
*Invited Paper

SESSION R1: MICROSTRUCTURE AND MECHANISMS OF
CHEMICAL DEGRADATION I
Chair: Karen Scrivener
Monday Morning, November 27
Essex Center (W)

8:30 A.M. *R1.1
THE DIAGNOSIS OF CONCRETE DETERIORATION BY OPTICAL MICROSCOPY, Neils Thaulow and Ulla H. Jakobsen, G.M. Idorn Consult, Virum, Denmark.

9:00 A.M. R1.2
CONCRETE CHEMICAL DEGRADATION: ANCIENT ANALOGUES AND MODERN EVALUATION, D.M. Roy and W. Jiang, The Pennsylvania State University, Materials Research Laboratory, University Park, PA.

9:15 A.M. R1.3
PORE SOLUTION ANALYSIS - ARE THERE PRESSURE EFFECTS?, Daniel Constantiner and Sidney Diamond, Purdue University, West Lafayette, IN.

9:30 A.M. BREAK

10:00 A.M. R1.4
MICROSTRUCTURAL CHANGES AND MECHANICAL EFFECTS DUE TO THE LEACHING OF CALCIUM HYDROXIDE FROM CEMENT PASTES, Christophe Carde, CEA , DESD, Gif sur Yvette, France; Raoul Francois and Jean-Pierre Ollivier, INSA-UPS, LMDC, Toulouse, France.

10:15 A.M. R1.5
MODELISATION OF THE CALCIUM LEACHING MECHANISMS IN HYDRATED CEMENT PASTES, Anik Delagrave, Université Laval, Concrete Canada, Ste. Foy, Canada; Bruno Gérard, EDF les Renardières, Moret-sur-Loing, France; Jacques Marchand and Michel Pigeon, Concrete Canada, Université Laval, Ste. Foy, Canada.

10:30 A.M. R1.6
MICROSTRUCTURAL CHANGES DUE TO THE PRESENCE OF CHLORIDE IONS, P.E. Streicher and M.G. Alexander, University of Cape Town, Department of Civil Engineering, Cape Town, South Africa.

10:45 A.M. DISCUSSION

11:00 A.M. POSTERS
R1.7 THE DISPERSION OF SILICA FUME IN CONCRETE, D.A. St. John, Industrial Research Limited, Department of Materials Chemistry, Lower Hutt, New Zealand.

R1.8 FIXATION OF ALKALIS IN CEMENT PASTE PORE SOLUTIONS, Sidney Diamond and Daniel Constantiner, Purdue University, West Lafayette, IN.

R1.9 STRESS MEASUREMENTS DUE TO ASR IN MORTARS, Chiara F. Ferraris, James R. Clifton and Frank Davis, National Institute of Standards and Technology, Building and Fire Research Laboratory, Gaithersburg, MD.

R1.10 DURABILITY OF ALKALI ACTIVATED CEMENTITIOUS MATERIALS, R.I.A. Malek and D.M. Roy, Pennsylvania State University, Materials Research Laboratory, University Park, PA.


R1.11 MICROSTRUCTURAL CHANGES DUE TO CARBONATION, Yves F. Houst, EPFL, LTP, Lausanne, Switzerland.

R1.12 CORROSION OF CEMENTITIOUS MATERIALS IN ACID WATERS, G. Herold, Universität Karlsruhe, Institut für Massivbau und Baustofftechnologie, Karlsruhe, Germany.

R1.13 IMPROVEMENTS IN THE DURABILITY OF CELLULOSE REINFORCED CEMENTITIOUS COMPOSITES, X. Lin, M.R. Silsbee and D.M. Roy, Pennsylvania State University, Materials Research Laboratory, University Park, PA.

R1.14 CONCRETE DAMAGE ASSESSMENT USING OPTICAL MICROSCOPY SOME CASE STUDIES, Hans S. Pietersen, TU-Delft, Faculty of Civil Engineering, Materials Science Section, Delft, Netherlands and Intron, Institute for Materials and Environmental Research, Houten, Netherlands.

SESSION R2: CORROSION OF REINFORCING STEEL
Chair: Waldemar A. Klemm
Monday Afternoon, November 27
Essex Center (W)

1:30 P.M. *R2.1
THE USE OF ELECTROCHEMICAL TECHNIQUES TO STUDY THE MECHANISMS AND SOLUTIONS TO THE CHLORIDE-INDUCED CORROSION OF REINFORCING BARS IN CONCRETE, Neal S. Berke and Maria C. Hicks, W.R. Grace and Company, Cambridge, MA.

2:00 P.M. R2.2
MONITORING THE CORROSION OF REINFORCING STEEL IN CEMENT-BASED SYSTEMS USING IMPEDANCE SPECTROSCOPY, Steven J. Ford and Thomas O. Mason, Nrothwestern University, Department of Materials Science and Engineering, Evanston, IL.

2:15 P.M. R2.3
EFFECTS OF GROUND GRANULATED BLAST FURNACE SLAG ON THE CORROSION OF REINFORCEMENT IN CEMENT PASTE, Rudy Olson, Ming Yang, Sujin Song, Steve Ford, Hamlin Jennings and Tom Mason, Northwestern University, Evanston, IL.

2:30 P.M. R2.4
MICROSTRUCTURAL EXAMINATION OF THE DEVELOPMENT OF CORROSION IN REINFORCED CONCRETE, Anastasia G. Constantinou and Karen L. Scrivener, Imperial College, London, United Kingdom.

2:45 P.M. BREAK

3:15 P.M. R2.5
EFFECT OF CONFINING STRESS ON THE RATE OF CORROSION IN CONCRETE, Nataliya Hearn, University of Toronto, Department of Civil Engineering, Toronto, Canada.

3:30 P.M. R2.6
BEHAVIOR OF STEEL IN SIMULATED CONCRETE SOLUTIONS, Charles J. Kitowski, Ford Motor Company, Dearborn, MI; and Harovel G. Wheat, University of Texas at Austin, Department of Mechanical Engineering, Austin, TX.

3:45 P.M. R2.7
THE EFFECT OF FLUORIDE ON THE CORROSION RESISTANCE OF STEEL IN CONCRETE, A. Macias, IETCC (CSIC), Ciencia de Materiales, Madrid, Spain; and M.L. Escudero, CENIM (CSIC), Department Corrosion, Madrid, Spain.

4:00 P.M. R2.8
PREDICTION AND EARLY DETECTION OF CORROSION OF REINFORCING STEEL IN STRUCTURAL CONCRETE AND INFRASTRUCTURE, Faming Li and Zongjin Li, Hong Kong University of Science and Technology, Department of Civil and Structural Engineering, Kowloon, Hong Kong.

4:15 P.M. R2.9
EFFECTS OF DEICING SALT ON THE MICROSTRUCTURE AND BONDING PROPERTIES OF REINFORCING SUPERPLASTICIZED MORTARS, David Bonen and Hamlin M. Jennings, Center for Advanced Cement-Based Materials, Evanston, IL.

4:30 P.M. R2.10
INFLUENCE OF THE SERVICE LOAD ON THE DURABILITY OF REINFORCED HIGH PERFORMANCE CONCRETE IN THE PRESENCE OF CHLORIDES, Athanas Konin, Raoul Francois and Ginette Arliguie, INSA-UPS, LMDC, Toulouse, France.

4:45 P.M. DISCUSSION
SESSION R3: MICROSTRUCTURE AND MECHANISMS OF
CHEMICAL DEGRADATION II
Chair: Vagn Johansen
Tuesday Morning, November 28
Essex Center (W)

9:00 A.M. *R3.1
SOME CHEMICAL AND MICROSTRUCTURAL ASPECTS OF CONCRETE DURABILITY, H.F.W. Taylor, Aberdeen, United Kingdom.

9:30 A.M. R3.2
MECHANISTIC STUDIES ON SULFATE ATTACK OF CEMENT-BASED MATERIALS, Chiara F. Ferraris, James R. Clifton, Paul E. Stutzman and Edward J. Garboczi, National Institutes of Standards and Technology, Gaithersburg, MD.

9:45 A.M. R3.3
ASSESSMENT OF THE CONDITIONS REQUIRED FOR THE THAUMASITE FORM OF SULPHATE ATTACK, Norah J. Crammond and Max Halliwell, Building Research Establishment, Watford, United Kingdom.

10:00 A.M. BREAK

10:30 A.M. R3.4
CARBONATION OF ETTRINGITE IN HYDRATED COAL COMBUSTION BY-PRODUCTS, G.J. McCarthy, J.J. Longlet and J.A. Parks, North Dakota State University, Fargo, ND.

10:45 A.M. R3.5
INVESTIGATIONS INTO THE MICROSTRUCTURE OF CONCRETE UNDER SULAFTE ATTACH WITH REGARD TO INTERFACIAL PHENOMENA, Winfried Malorny, Technical University, Institute for Building Materials, Massive Construction and Fire Protection, Braunschweig, Germany.

11:00 A.M. R3.6
DETERIORATION OF CONCRETE BRIDGE PIERS IN ICELAND, G. Gudmundsson, Icelandic Building Research Institute, Department of Geochemistry, Cement and Concrete Research, Reykjavík, Iceland.

11:15 A.M. DISCUSSION

SESSION R4: IMPLICATIONS OF CURING TEMPERATURES
FOR DURABILITY
Chair: J. Francis Young
Tuesday Morning, November 28
Essex Center (W)

11:30 A.M. *R4.1
ELEVATED TEMPERATURE CURING PROGRESS IN IMPLICATIONS FOR DURABILITY OF CEMENT BASED MATERIALS, M. Moranville-Regourd, ENS Cachan/CNRS/Université, Cachan, France.

SESSION R4: IMPLICATIONS OF CURING TEMPERATURES
FOR DURABILITY (continued)
Chair: J. Francis Young
Tuesday Afternoon, November 28
Essex Center (W)

1:30 P.M. R4.2
THE FORMATION OF ETTRINGITE AND MONOSULFATE IN DILUTE SODIUM HYDROXIDE SOLUTIONS, B.A. Clark, Pennsylvania State University, Materials Research Laboratory, University Park, PA and R.J. Lee Group, Inc., Monroeville, PA; J.V. Bothe Jr. and P.W. Brown, Pennsylvania State University, Materials Research Laboratory, University Park, PA.

1:45 P.M. R4.3
MICROCHEMICAL STUDIES OF ELEVATED TEMPERATURE CURING AND DELAYED ETTRINGITE FORMATION IN CONCRETES, M.C. Lewis and K.L. Scrivener, Imperial College, London, United Kingdom.

2:00 P.M. R4.4
WHAT CAUSES DELAYED ETTRINGITE FORMATION, Neils Thaulow, Vagn Johansen and Ulla H. Jakobsen, G.M. Idorn Consult, Virum, Denmark.

2:15 P.M. BREAK

SESSION R5: DURABILITY OF NON-PORTLAND CEMENTS
Chair: Fred Glasser
Tuesday Afternoon, November 28
Essex Center (W)

2:45 P.M. *R5.1
DURABILITY OF CALCIUM ALUMINATE CEMENT SYSTEMS IN HOSTILE CHEMICAL ENVIRONMENTS: UNDERSTANDING THE EVIDENCE, Mike George, Lafarge Calcium Aluminates, Inc., Virginia Beach, VA.



3:15 P.M. R5.2
THE MARINE DURABILITY, PERMEABILITY AND MICROSTRUCTURE OF AGEING CALCIUM ALUMINATE CEMENT CONCRETE, Andrew M. Dunster, David L. Rayment and Norah J. Crammond, Building Research Establishment, Watford, United Kingdom.

3:30 P.M. R5.3
BEHAVIOR OF ALUMINOUS CEMENT IN HIGH ALKALINE MEDIA, S. Goni, C. Andrade, J.L. Sagrera, M.S. Hernandez and Y.C. Alonso, Institute "Eduardo Torroja" of Construction Science, Madrid, Spain.

3:45 P.M. R5.4
DURABILITY OF ALKALI ACTIVATED SLAG CEMENTS, J. Péra and M. Chabannet, INSA Lyon, Materiaux Mineraux, Villeurbanne, France.

4:00 P.M. POSTERS
R4.5 QUANTITATIVE IMAGE ANALYSIS OF MICROSTRUCTURAL FEATURES IN STEAM CURED CONCRETE STRUCTURES, B.A. Clark, Y. Jie and R.J. Lee, RJ Lee Group, Inc., Monroeville, PA.

R4.6 INFLUENCE OF ELEVATED AGGREGATE TEMPERATURE ON CONCRETE STRENGTH, M. Mouret, A. Bascoul and G. Escadeillas, Laboratory of Materials and Durability of Constructions, Toulouse, France.

R4.7 SALT-FROST RESISTANCE OF NORMAL AND HEAT-CURED HIGH-PERFORMANCE CONCRETE, Knut O. Kjellsen, Swedish Cement and Concrete Research Institute, Stockholm, Sweden.

R4.8 NUMERICAL SIMULATION OF THE EFFECT OF ELEVATED TEMPERATURE CURING ON POROSITY OF CEMENT-BASED SYSTEMS, K. van Breugel and E.A.B. Koenders, Delft University of Technology, Delft, Netherlands.

R5.5 ACCELERATED TEST FOR THE PREDICTION OF THE FROST-RESISTANCE OF CONCRETE, M. Chabannet, J.L. Bosc and J. Péra, INSA Lyon, Materiaux Mineraux, Villeurbanne, France.

R5.6 ALKALI ACTIVATED CEMENTITIOUS MATERIALS IN CHEMICALLY AGGRESSIVE ENVIRONMENTS, W. Jiang, M.R. Silsbee and D.M. Roy, Pennsylvania State University, Materials Research Laboratory, University Park, PA.

R5.7 MICROSTRUCTURAL STUDIES OF TWO 60 YEAR OLD CALCIUM ALUMINATE CEMENT CONCRETE STRUCTURES, Karen L. Scrivener and Justine Houghton, Imperial College, London, United Kingdom.

R5.8 STATUS OF WATER AND MICROSTRUCTURAL CHANGE OF CALCIUM SULPHOALUMINATE CEMENT PASTE DUE TO ENVIRONMENTAL TEMPERATURE, Choon-Keun Park, Byeong-Kwon Kim and Dong-Won Cho, Ssangyong Research Center of Ssangyong Cement Ind. Co. Ltd., Taejon, Korea.

JOINT SESSION R6/V22: CEMENTITIOUS WASTE FORMS AND
PERFORMANCE OF CONCRETE BARRIERS FOR
NUCLEAR WASTE MANAGEMENT
Chairs: Fred Glasser and Anne Marie Meile
Wednesday Morning, November 29
America North (W)

8:30 A.M. R6.1/V22.1
CHEMICAL EVOLUTION OF CEMENTITIOUS MATERIALS WITH HIGH PROPORTION OF FLY ASH AND SLAG, T. Bakharev, A.R. Brough, R.J. Kirkpatrick, L.J. Struble and J.F. Young, University of Illinois, Civil Engineering, Urbana, IL.

8:45 A.M. R6.2/V22.2
ROLE OF CARBONATION IN LONG TERM PERFORMANCE OF CEMENTITIOUS WASTEFORMS, John Walton, University of Texas, El Paso, Department of Civil Engineering, El Paso, TX; Robert Smith, Idaho National Engineering Laboratory, Idaho Fall, ID; Anthony Tarquin, Paul Sheeley, Ravishankar Kalyana, Neyda Gutierrez, John Gwynne, Mayela Rodriguez and Sazzad Bin-Shafique, University of Texas, El Paso, Department of Civil Engineering, El Paso, TX.

9:00 A.M. R6.3/V22.3
WATER ADSORPTION BY OKENITE (Ca10Si18O46.18H2O) AT AMBIENT TEMPERATURE, Sue I. Martin, Brian E. Viani and Annemarie Meike, Lawrence Livermore National Laboratory, Livermore, CA.

9:15 A.M. *R6.4/V22.4
CHEMICAL DETERIORATION AND PERFORMANCE OF CEMENTS AND CONCRETES, F.P. Glasser, University of Aberdeen, Old Aberdeen, United Kingdom.

9:45 A.M. BREAK

10:15 A.M. R6.5/V22.5
THERMODYNAMIC MODELLING OF THE SORPTION OF RADIOELEMENTS ONTO CEMENTITIOUS MATERIALS, T.G. Heath, D.J. Ilett and C.J. Tweed, AEA Technology, Chemical Studies, Oxon, United Kingdom.

10:30 A.M. R6.6/V22.6
MODELLING THE LONG-TERM DURABILITY OF CONCRETE BARRIERS FOR RADIOACTIVE WASTE DISPOSALS, B. Gérard, Electricité de France, Research Division, Moret Surloing, France and Laboratoire de Mécanique et Technologie de Cachan, Paris, France; O. Didry, Electricité de France, Research Division, Moret Surloing, France; J. Marchand, Laval University, Centre de Recherche Interuniversitaire sur le Béton, Quebec, Canada; D. Breysse, Laboratoire de Mécanique et Technologie de Cachan, France; and H. Hornain, Laboratoire d'Etudes et Recherches sur les Matériaux, France.

10:45 A.M. R6.7/V22.7
MODELLING OF THE CHEMICAL DEGRADATION OF A CEMENT PASTE: LONG-TERM PREDICTION, F. Adenot and C. Richet, DCC/DESD/SESD/SEM, Commissariat à l'Energie Atomique, Yvette, France.

11:00 A.M. POSTERS
R6.8/V22.8 DURABILITY OF CEMENT STABILIZED LOW LEVEL WASTES, T. Bakharev, A.R. Brough, University of Illinois, Civil Engineering, Urbana, IL; R. Olson, P.D. Tennis, Northwestern University, Evanston, IL; S. Sahu, S. Diamond, Purdue University, Civil Engineering, West Lafayette, IN; D. Bonen, H. Jennings, Northwestern University, Evanston, IL; R.J. Kirkpatrick, University of Illinois, Civil Engineering, Urbana, IL; T. Mason, Northwestern University, Evanston, IL; L.J. Struble and J.F. Young, University of Illinois, Civil Engineering, Urbana, IL.

R6.9/V22.9 RETENTION OF Cs IN ZEOLITES IMMOBILISED BY PORTLAND CEMENT, Laurence P. Aldridge, ANSTO, Menai NSW, Australia; Abhi S. Ray, M.G. Stevens, R.S. Knight and K. Mapson, UTS, Department of Materials Science, NSW, Australia.

R6.10/V22.10 THE REACTION BETWEEN CALCIUM ALUMINATE CEMENT AND SILICA FUME IN THE PRESENCE OF CAESIUM: ZEOLITE FORMATION AND CAESIUM TRAPPING, Hervé Fryda, Philippe Boch, École Supérieure de Phydique et de Chimie Industrielles, Paris, France; and Karen Scrivener, Imperial College, London, United Kingdom.

R6.11/V22.11 SOLIDIFICATION/STABILIZATION OF SIMULATED ALKALINE NONVITRIFIABLE LOW-LEVEL RADIOACTIVE WASTE BY EARLY FORMATION OF CARBONATE BEARING AFm PHASES, D. Bonen, P.D. Tennis, R.A. Olson, H.M. Jennings and T.O. Mason, Northwestern University, Center for Advanced Cement-Based Materials, Evanston, IL.

R6.12/V22.12 A PROCEDURE TO EVALUATE THE POTENTIAL FOR MICROBIALLY INFLUENCED DEGRADATION OF CEMENT SOLIDIFIED LOW-LEVEL RADIOACTIVE WASTE FORMS, Robert D. Rogers, Melinda A. Hamilton, Richard H. Voch and John W. McConnell Jr., Idaho National Engineering Laboratory, Idaho Falls, ID.

R6.13/V22.13 4SIGHT: A COMPUTER PROGRAM FOR MODELLING DEGRADATION OF UNDERGROUND LOW LEVEL WASTE CONCRETE VAULTS, Kenneth A. Snyder and James R. Clifton, National Institute of Standards and Technology, Gaithersburg, MD.

R6.14/V22.14 SIMULATION OF CEMENT-GROUNDWATER INTERACTIONS - APPLICATION OF EQUILIBRIUM THERMODYNAMICS TO HIGHLY SALINE SYSTEMS, Mark Tyrer and Donald J. Ross, W.S. Atkins Environment, Surrey, United Kingdom.

R6.15/V22.15 PRECIPITATION IN CRACKS IN CONCRETE, Knud Brodersen, Risø National Laboratory, Roskilde, Denmark.

R6.16/V22.16 MICROSTRUCTURAL CHANGES DUE TO ELEVATED TEMPERATURE IN CEMENT-BASED GROUTS, Danielle Palardy, Gérard Ballivy, Université de Sherbrooke, Génie Civil Department, Sherbrooke, Canada; and Maria Onofrei, EACL, Pinawa, Canada.

SESSION R7: DIFFUSION AND MODELLING
Chair: Hamlin Jennings
Wednesday Afternoon, November 29
Essex Center (W)

1:30 P.M. R7.1
ACCELERATED TESTS FOR CHLORIDE DIFFUSIVITY AND THEIR APPLICATION IN PREDICTION FOR CHLORIDE PENETRATION, Luping Tang and Lars-Olof Nilsson, Chalmers University of Technology, Department of Building Materials, Gothenburg, Sweden.

1:45 P.M. R7.2
MATHEMATICAL MODELING OF CHLORIDE DIFFUSION IN CONCRETE, Yunping Xi, Drexel University, Philadelphia, PA.

2:00 P.M. R7.3
EXPERIMENTAL RESULTS ON ELECTROCHEMICAL DESALINIZATION OF CONCRETE WITH ADMIXED CHLORIDES AND ITS MODELLING, C. Andrade, M. Castellote, D. Cervigón and C. Alonso, Institute "Eduardo Torroja" of Construction Science, Madrid, Spain.



2:15 P.M. R7.4
DEGRADATION OF CONCRETE STRUCTURES DUE TO CHEMICAL ATTACK: MATHEMATICAL PREDICTION, Jean Pierre Bournazel, Laboratoire de Mécanique et Technologie, ENS Cachan, Cachan, France.

2:30 P.M. BREAK

SESSION R8: CEMENTITIOUS WASTE FORMS FOR
NON NUCLEAR APPLICATIONS
Chair: Gregory McCarthy
Wednesday Afternoon, November 29
Essex Center (W)

3:00 P.M. R8.1
DURABILITY OF IMMOBILIZED WASTES, TESTING METHODS AND CRITERIA -A DUTCH PROPOSAL, Hans S. Pietersen, TU-Delft, Faculty of Civil Engineering, Materials Science Section, Delft, Netherlands and Intron,, Institute for Materials and Environmental Research, Houten, Netherlands; Gert van der Wegen, Intron, Institute for Materials and Environmental Research, Sittard, Netherlands; and Charles F. Hendriks, TU-Delft, Faculty of Civil Engineering, Materials Science Section, Delft, Netherlands.

3:15 P.M. R8.2
DEGRADATION MECHANISMS OF CEMENT-STABILISED WASTES BY INTERNAL SULFACTE ASSOCIATED WITH THE FORMATION OF THE U-PHASE, Li Guanshu, ENS Cachan/CNRS Université, Cachan, France.

3:30 P.M. R8.3
PERMEABILITY AND LEACH RESISTANCE OF GROUT-BASED MATERIALS EXPOSED TO SULPHATES, Marita L. Allan, Lawrence E. Kukacka, Brookhaven National Laboratory, Applied Science, Upton, NY.

3:45 P.M. R8.4
IMPACT OF CARBON DIOXIDE ON THE IMMOBILISATION POTENTIAL OF CEMENT WASTES: CHROMIUM, A. Macias, Instituto de Ciencias de la Construccion "Eduardo Torroja", CSIC, Madrid, Spain; A. Kindness and F.P. Glasser, University of Aberdeen, Department of Chemistry, Old Aberdeen, United Kingdom.

4:00 P.M. R8.5
CHEMICAL RESPONSE OF Pb IN PORTLAND CEMENT WASTE FORMS DURING TCLP TESTING, Jeffrey H. Boy, Timothy D. Race, Keturah A. Reinbold, U.S. Army CERL, Champaign, IL; John M. Bukowski and Adrian R. Brough and Xiaofeng Zhu, University of Illinois, Center for Cement Composite Material, Urbana, IL.

JOINT SESSION R9/T11: MICROSTRUCTURAL
CHARACTERIZATION IN CEMENTS AND
OTHER POROUS MATERIALS
Chair: Ed Garboczi
Thursday Morning, November 30
Essex Center (W)

8:25 A.M. INTRODUCTORY REMARKS

8:30 A.M. R9.1/T11.1
DIELECTRIC SENSORS AND THEIR USE IN ENVIRONMENTAL AND CONSTRUCTION ENGINEERING, M.A. Hilhorst, IMAG-DLO, Wageningen, Netherlands; K. van Breugel, Delft University of Technology, Delft, Netherlands; and D.J.M.H. Pluimgraaff, Conewel b.v., Sassenheim, Netherlands.

8:45 A.M. *R9.2/T11.2
RECENT DEVELOPMENTS IN THE MEASUREMENT OF TRANSPORT PROPERTIES OF CEMENT-BASED MATERIALS, Thomas O. Mason, Northwestern University, Department of Materials Science and Engineering, Evanston, IL.

9:15 A.M. R9.3/T11.3
ELECTRICAL RESISTIVITY AND DIELECTRIC PROPERTIES OF CEMENT PASTES AND MORTARS, D. Bürchler, B. Elsener and H. Böhni, Swiss Federal Institute of Technology, Institute of Materials Chemistry and Corrosion, Zurich, Switzerland.

9:30 A.M. R9.4/T11.4
FREQUENCY ANALYSIS OF EIS OF CONCRETE SPECIMENS, C. Andrade, L. Soler, C. Alonso, Institute Eduardo Torroja of Construction Science, Madrid, Spain; and X.R. Novoa, University of Vigo, Vigo, Spain.

9:45 A.M. R9.5/T11.5
(ABSTRACT WITHDRAWN)

10:00 A.M. BREAK

10:30 A.M. R9.6/T11.6
SIMULATION OF ELECTRICAL TRANSPORT AND NUCLEAR MAGNETIC RELAXATION IN MIXED POROSITY SYSTEMS, L.M. Schwartz and D.J. Wilkinson, Schlumberger-Doll Research, Ridgefield, CT.



11:00 A.M. R9.7/T11.7
DIELECTRIC SPECTROSCOPY OF NEMATIC LIQUID CRYSTAL CONFINED IN RANDOM POROUS MATRICES, F.M. Aliev and G.P. Sinha, University of Puerto Rico, Department of Physics and Materials Research Center, San Juan, PR.

11:15 A.M. R9.8/T11.8
HUMIDITY EFFECTS ON POROUS SILICA THIN FILMS, J.R. Kokan and R.A. Gerhardt, Georgia Institute of Technology, School of Materials Science and Engineering, Atlanta, GA.

The following exhibitors have identified their products and services as directly related to your research:

Products and Services
A&N Corporation
Huntington Mechanical Laboratories
JCPDS-ICDD
Park Scientific Instruments

See page 6 for a list of companies exhibiting books and software and a complete list of exhibitors.