7e symposium international

sur les essais non destructifs pour le genie civil

7th International Symposiumon Non Destructive Testing in Civil Engineering

Sous la direction de / Edited byOdile Abraham et Xavier Derobert

Nantes (France)

30 juin - 3 juillet 2009

June 30th to July 3rd 2009

LCPC

fS3Laboratoire Central

des Fonts et Chausseet

/COREfIDCentrale

Nantes UNIVERSITE DE NANTES

InsliM de Recherche en

Genie Civil etMiconiqve

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NDTCE'09, Non-Destructive Testing in Civil EngineeringNantes, France, June 30th - July 3rd, 2009

Contents

Keynotes

Advanced NDT Methods for Quality Assurance of Concrete Structures

Herbert WIGGENHAUSER p 21

Recent developments in NDT and SHM in the United States

John S. POPOVICS p 33

NDT - Geophysics: Continuum of techniques and applications

Philippe COTE p 41

Application of NDTs to the diagnosis of Historic Structures

Luigia BINDA, Antonella SAISI p 43

Guided waves

Numerical prediction of guided waves interaction with non-axisymmetric cracks

in elastic cylinders

Farouk BENMEDDOUR, Fabien TREYSSEDE, Laurent LAGUERRE p 73

Inspection of cables in concrete using guided waves

Karim JEZZINE, Alain LHEMERY, Olivia PARIS p 79

Non-destructive evaluation of the stress levels in prestressed steel strands using

acoustoelastic effect

Salim CHAKI, Gerard BOURSE p 85

Non-destructive evaluation of seven wire strands using ultrasonic guided waves

Laurent LAGUERRE p 93

Sensors

Magnetoelastic stress measurement and material defect detection in prestressed

tendons using coil sensors

Hans-Joachim WICHMANN, Alexander HOLST, Harald BUDELMANN p 101

Nondestructive Evaluation of Deterioration around Rebar Based on Elastic Waves

Generated by Electromagnetic Force

Kotaro MUNAKATA, Toshiro KAMADA, Shinya UCHIDA p 107

A smart and wireless sensors network for cable health monitoring

Vincent LE CAM, Laurent GAILLET, Marianne PERRIN, Christian TESSIER,

Louis-Marie COTTINEAU p 113

Embedded sensors for the monitoring of corrosion parameters in concrete structures

Carmen ANDRADE, Isabel MARTfNEZ p 119

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NDTCE'09, Non-Destructive Testing in Civil EngineeringNantes, France, June 30th - July 3rd, 2009

In-situ non destructive testing of cementitous materials via embedded ultrasonic

transducers made up of carbon nanotubes

Berengere LEBENTAL, Fred6ric BOURQUIN, Jean-Marie CAUSSIGNAC,

Luiz ACAUAN, Sebastien SANAUR, Anne GHIS p 127

Long term monitoring of large massive concrete structures :

cumulative effects of thermal gradientsVincent LAMOUR, Adnan HAOUAS, Jean-Philippe DUBOIS, Richard POISSON p 133

Nondestructive evaluation of steel superstructure fatigue crack growth activitywith the electrochemical fatigue sensor system

Marybeth MICELI, Monty MOSHIER p 139

Voids in concrete

Progress in ultrasonic tendon duct imagingMartin KRAUSE, Klaus MAYER, Martin FRIESE, Boris MILMANN, Frank MIELENTZ,G. Ballier p 147

Identification of ungrouted tendon duct in prestressed concrete by SIBIE

Masayasu OHTSU, Masahiko YAMADA, Yoko NAKAI p 155

Laser interferometer robot for the detection of voids in tendon ducts with

the impact echo method

Odile ABRAHAM, Louis-Marie COTTINEAU, Michel VALADE, Safia BEDAOUI,

Pierre ARGOUL p 163

Detection of poor filling in prestressed beams specimen by inductive thermographyand transfer function analysis

Frarck BRACHELET, Tao DU, Didier DEFER, Emmanuel ANTCZAK p 169

Radar

EM characterization of hydraulic concretes in the GPR frequencyband using a quadraticexperimental design

Xavier DEROBERT, Geraldine VILLAIN, Rachid CORTAS,Jean-Louis CHAZELAS p 177

Concrete Moisture Assessment Using Radar NDT Technique - Comparison between

Time and Frequency Domain AnalysisZoubir-Mehdi SBARTAI, Stephane LAURENS, Denys BREYSSE p 183

Blind deconvolution via independent component analysis for thin-pavementthickness estimation using GPR

Khaled CHAHINE, Vincent BALTAZART, Yide WANG, Xavier DEROBERT p 191

Numerical modeling of ground-penetrating radar (GPR) for the investigationof jointing defects in brick masonry structures

Rani HAMROUCHE, Gilles KLYSZ, Jean-Pierre BALAYSSAC, Stdphane LAURENS,Jamal RHAZI, Gerard BALLIVY, Ginette ARLIGUIE p 197

Dielectric Constant Measurement of Railroad Ballast and Application of STFT

for GPR Data AnalysisZhen LENG, Imad L. AL-QADI p 203

Non-Destructive Evaluation after Destruction: Using Ground Penetrating Radar

for Search and Rescue

David B. CIST p 209

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NDTCE'09, Non-Destructive Testing in Civil Engineering

Nantes, France, June 30th -July 3rd, 2009

Physical and geometrical characterization of reinforced concrete using radar

and artificial neural networks

Stephane LAURENS, Rriengkai VIRIYAMETANONT, Zoubir-Mehdi SBARTAI,

Jean-Paul BALAYSSAC p 215

Stress and strain evaluation

A comparison of strains measured by optical fibres and strain gauges with theoryfor a loaded bridge deck

Amre DEIF, Beatriz MARTIN-PEREZ, Bruno COUSIN, Chunshu ZHANG, Wenhai LI,

Xiaoyi BAO p 223

Non-destructive methods using fiber optic deformation sensors for damage identification

in pre-stressed concrete structures

Lanata FRANCESCA, Andrea DEL GROSSO, Andrea MERCALLI, Daniele POSENATO.... p 229

Small and large strain assessment of axial load deflection behavior of as-built drilled

shafts for a cable-stayed bridge

Federico PINTO, Carlos GERBAUDO, Carlos PRATO p 235

Evaluation of residual reactivity of concrete cores from ASR-affected structures bynon-destructive tests

Maryarn SARGOLZAHI, Patrice RIVARD, Jamal RHAZI p 241

Concrete strength

Assessment of characteristic compressive strength in structures by the rebound hammer

test according to EN 13791: 2007

Andre MONTEIRO, Arlindo GONCALVES p 249

Ultrasonic pulse velocity - compressive strength correlation of concrete made

with crushed limestone aggregate

Eric I. MORENO, Romel SOLIS-CARCANO p 255

Interpretation ofin-situ concrete strength test results

Marios SOUTSOS, John BUNGEY, Adrian LONG, Geoff TICKELL p 261

Comparison of Field and Laboratory Strengths of Concrete Slabs

Manuel CELAYA, Soheil NAZARIAN, Deren YUAN p 267

Non linear ultrasounds

Determination of nonlinear elastic constants and stress monitoring in concrete

by coda waves analysisCedric PAYAN, Vincent GARNIER, Joseph MOYSAN, Paul JOHNSON p 275

Improvement of new wave propagation techniques to characterize concrete

Vincent GARNIER, Jean Francois CHAIX, C6dric PAYAN p 281

Hysteretic Nonlinear Response of Contacting Interface to Harmonic Acoustic Waves

Nohyu KIM, HwanSeon NAH,Yoon Ho CHO p 287

Steel corrosion

Half-cell potential test from the upper-side and the lower-side of reinforced concrete slabs:

a comparative study

Jamal RHAZI p 295

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NDTCE'09, Non-Destructive Testing in Civil EngineeringNantes, France, June 30th - July 3rd, 2009

Corrosion monitoring of metals through magnetic sensingJohn S. POPOVICS, Gonzalo E. GALLO, Patrick L. CHAPMAN p 301

Novel NDT-Techniques for Corrosion Monitoring and Fracture Detection of Prestressed

Concrete Structures

Alexander HOLST, Hans-Joachim WICHMANN, Harald BUDELMANN p 307

Nondestructive evaluation of deterioration around reinforcing bar due to corrosion

in RC members

Shinya UCHIDA, Toshiro KAMADA, Hirofumi MAE, Hiroyuki MINEZAWA,Kotaro Munakata p313

NDE for corrosion detection in reinforced concrete structures - a benchmark approachRalfARNDT, Frank JALINOOS

p 321

Novel method for linear polarisation resistance corrosion measurement

Steve MILLARD and Lukasz SADOWSKI p 327

Combined techniques

Combination ofelectrical and radar measurements for an improved assessment

of concrete propertiesJean-Francois LATASTE, Denys BREYSSE, Zoubir Mehdi SBARTAI,

Stephane LAURENS p 335

Use of ultrasonic and electromagnetic NDT to evaluate durability monitoring

parameters of concrete

Geraldine VILLAIN, Xavier DEROBERT, Odile ABRAHAM, Odile COFFEC,Olivier DURAND, Laurent LAGUERRE, Vincent BALTAZART

p 343

Possibilistic NDT data fusion for evaluating concrete structures

Marie-Aude PLOIX, Vincent GARNIER, Denys BREYSSE, Joseph MOYSAN p 349

Application of Radar and Ultrasonic Pulse Echo for Testing Concrete Structures

Srinivasan PARTHASARATHY, S.G.N. MURTHY, Bhaskar SANGOJU,

Herbert WIGGENHAUSER, Kapali RAVISANKAR, Nagesh R. IYER,Narayanan LAKSHMANAN p 355

An investigation of the suitability of different NDT test methods to detected

voids of concrete elements

Alexandre LORENZI, Luciane Fonseca CAETANO, Joao Luiz CAMPAGNOLO,Luiz Carlos Pinto da SILVA FILHO

p 361

Combined while-drilling techniques for the assessment of deteriorated concrete cover

Roberto FELICETTIp 369

Integration of Ground Penetrating Radar and Infrared Thermographyfor Bridge Deck Condition Evaluation

Kenneth R. MASERp 377

Evaluation ofbonded FRP strengthening systems for concrete structures usingInfrared Thermography and Shearography

Fredenc TAJLLADE, Marc QUIERTANT, Karim BENZARTI, Christophe AUBAGNAC p 385

Evaluation of concrete structures by combining non-destructive testing methods

(SENSO project)Jean-Paul BALAYSSAC, Stephane LAURENS, Ginette ARLIGUIE, Marie-Aude PLOIX,Denys BREYSSE, Xavier DEROBERT, Bogdan PIWAKOWSKI p 391

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NDTCE'09, Non-Destructive Testing in Civil Engineering

Nantes, France, June 30th - July 3rd, 2009

How to improve the quality of concrete assessment by combining several

NDT measurements

Denys BREYSSE, Marios SOUTSOS, Roberto FELICETTI, Martin KRAUSE,

Jean-Francois LATASTE, Andrezj MOCZKO p 399

Quality of NDT measurements and accuracy of concrete physical propertiesDenys BREYSSE, Mafhilde LARGET, Zoubir-Mehdi SBARTAI, Jean-Francois LATASTE,

Jean-Paul BALAYSSAC p 407

Automated testing

Initial Measurement Results ofan Automated Ultrasonic Scanning and Imaging SystemMartin SCHICKERT, Ulrich TUMMLER p 417

BETOSCAN - Robot controlled non-destructive diagnosis of reinforced concrete decks

Kenji REICHLING, Michael RAUPACH, Herbert WIGGENHAUSER, Markus STOPPEL,

Gerd DOBMANN, Jochen KURZ P 425

Control and data acquisition of automated multi-sensor systems in civil engineeringJochen H. KURZ, Hans RIEDER, Markus STOPPEL, Alexander TAFFE p 433

Impact echo

Estimation of Surface-Crack Depth in Concrete by Scanning SIBIE Procedure

Masanobu TOKAI, Taro OHKUBO, Masayasu OHTSU p 443

Rapid Bridge Deck Condition Assessment Using Three-Dimensional Visualization

of Impact Echo Data

Nenad GUCUNSKI, Zhe WANG, Tong FANG, Ali MAHER p 451

Extracting the SI Lamb mode from the impact echo signal

Safia BEDAOUI, Pierre ARGOUL, Odile ABRAHAM, Nathalie POINT p 457

Reliability and uncertainty

Remaining life assessment of corrosion-affected RC bridge girders using on-line

monitoring data

Anoop MADAMBIKATIL, Narayanan LAKSHMANAN, B. K. RAGHUPRASAD,

Kanchi BALAJI RAO, Kapali RAVISANKAR p 465

The NDT-CE test and validation center in Horstwalde

Ernst NIEDERLEITHINGER, Herbert WIGGENHAUSER, Alexander TAFFE p 471

Reliability ofthe Impact- Echo Method on Thickness Measurement of Concrete Elements

Bhaskar, SANGOJU ,S.G.N. MURTHY, Srinivasan PARTHASARATHY,

Herbert WIGGENHAUSER, Kapali RAVISANKAR, Nagesh R. IYER,

Narayanan LAKSHMANAN p 477

Effect on Risk Based Inspection of spatio-temporal dependence of ROC curves:

Study of the corrosion of steel harbour structures

Jerome BOERO, Franck SCHOEFS, Bruno CAPRA p 483

Electrical methods

Some elements for improving interpretation of concrete electrical resistivity

Jean-Francois LATASTE, Stephane LAURENS, Andrzej MOCZKO p 491

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NDTCE'09, Non-Destructive Testing in Civil EngineeringNantes, France, June 30th - July 3rd, 2009

The Use of Electrical Resistivity as NDT Method for the Specification of the durabilityof Reinforced Concrete

Carmen ANDRADE, Renata D'ANDREA, Angel CASTILLO, Marta CASTELLOTE p 497

Multi-linear-reference-electrode for localized corrosion monitoring of reinforced

prestressed concrete structures

Marco ORMELLESE, Luciano LAZZARI, Pietro PEDEFERRI, Bruno BAZZONI p 503

Analysis of a LPR on-site device based on FEM simulations

Antoine CLEMENT, Stephane LAURENS, Ginette ARLIGUIE p 509

Transport properties

Sorptivity of Concrete Composite Systems - A Measure of Non-destructive TestingMohammad Iqbal KHAN p 517

Development of a rapid in situ ion migration test and comparison with the ASTM

rapid chloride permeability test

Sreejith NANUKUTTAN, Muhammed BASHEER, Des ROBINSON p 523

Non-contact ultrasonic porosimetry

Mariusz KACZMAREK, Pawel SAFINOWSki, Bogdan PIWAKOWSKI p 529

Pavements

Application of MASW to characterize pavement top layers

Sara P. ALZATE-DIAZ, John S. POPOVICS p 537

Characterization of defect under waterproofing layer by IR thermographyand thermal impedance

Olivier CARPENTIER, Franck BRACHELET, Didier DEFER, ChristopheAUBAGNAC, Herve CANNARD p 543

Active Infrared Thermography applied to detection and characterization

of non emergent defects on asphalt pavementJean DUMOULIN, Laurent IBOS, Mario MARCHETTI,

Stephane LUDWIG, Atef MAZIOUD p 549

Implementation of an experimental pavement for the study of non-destructive

testing techniquesAbdelkarim ELAYADI, Annabelle PHELIPOT-MARDELE, Benoit PICOUX,Anne MILLEEN, Christophe PETIT p 555

Non-contact surface wave testing ofpavements using a rolling microphone array

Nils RYDEN, Michael J. S. LOWE, Peter CAWLEY p 561

Surface deflection measurement using structured lightValerie MUZET, Christophe HEINKELE, Yannick GUILLARD and Jean-Michel SEV10NIN... p 567

Structural roadway assessment using the Frequency Response Function

Jean-Michel SIMONIN, Jean-Christophe DARGENTON,

Christophe HEINKELE, Denis LIEVRE p 575

Non contact ultrasounds

Inverse parameters estimation of the functionally graded materials using surface

waves measured with a laser interferometer

Laiyu LU, Mathieu CHEKROUN, Odile ABRAHAM, Geraldine VILLAIN,Valerie MAUPIN p 583

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IMDTCE'09, Non-Destructive Testing in Civil EngineeringNantes, France, June 30th - July 3rd, 2009

Developments in air-coupled contactless sensing for concrete

John S. POPOVICS, A. GIBSON, K. HALL, S. W. SHIN p 591

Alaser interferometer robot for the study of surface wave sensitivity to various

concrete mixes

Odile ABRAHAM, G6raldine VILLAIN, Laiyu LU, Louis-Marie COTTENEAU,

Olivier DURAND p 597

Non-destructive non-contact air-coupled concrete evaluation by an ultrasound

automated device

Bogdan PIWAKOWSKI, Pawel SAFINOWSKI p 603

Structure applications

Assessment of Dynamic Response ofMassive Structure by means of Nondestructive

Evaluation Using Vibrations from Minor Seismic Event

Federico PINTO, Marcelo A. CEBALLOS, Carlos A. PRATO p 611

GPR resolution in NDT studies of structural elements: experimental methodologyand examples

Vega PEREZ-GRACIA, Daniel DI CAPUA, Ramon GONZALEZ-DRIGO,Lluis G. PUJADES p617

Inspection techniques for wind turbine blades using ultrasound and sound waves

Anne JUENGERT, Christian U. GROSSE p 625

Early age concrete

Ultrasonic Wave Dispersion and Attenuation in Fresh Cementitious Materials

Morad GRIMES, Abdelmalek KHEBLI, Sonne HADDAD, Toufik BENKEDIDAH,

Samira DIB, Abdelmalek BOUHADJERA p 635

Ultrasonic monitoring of setting ofgreen concrete containing high cementsubstitution by mineral additions

Muhammad Irfan Ahmad KHOKHAR, Stephanie STAQUET, Emmanuel ROZIERE,

Ahmed LOUKILI p 641

Monitoring the setting of concrete by measuring the change in ultrasonic p-wave energy

Nicolas ROBEYST, Nele DE BELIE p 649

Early age strength assessement for high rise buildingsMarijan SKAZLIC, Claus Germann PETERSEN, Zoran KRNJAK p 655

Comparison between different techniques for monitoring setting and hardeningof concrete

Aveline DARQUENNES, Stephanie STAQUET, Bernard ESPION, Olivier GERMAIN,Christian PIERRE p 661

Optimization of Concrete Wall Formwork Using Ultrasonic TechniquesOtto KROGGEL, Harald GARRECHT p 669

Masonry

Effectiveness of injections evaluated by sonic tests on reduced scale multi-leaf

masonry building subjected to seismic actions

Maria Rosa VALLUZZI, N. MAZZON, M. MUNARI, F. CASARTN, Claudio MODENA p 677

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NDTCE'09, Non-Destructive Testing in Civil Engineering

Nantes, France, June 30th - July 3rd, 2009

Complex resistivity tomography in laboratory and field studies - a promising NDT tool

Sabine KRUSCHWITZ, Ernst NIEDERLEITHINGER p 683

The Katholikon of Osios Loucas Monastery: In situ investigationsElizabeth N. Vintzileou, Ioannis G. Konteas, Aikaterini-Anna E. Manoledaki,

Vasiliki A. Palieraki, Androniki E. Miltiadou-Fezans p 689

Active thermography for the characterization of surfaces and interfaces

of historic masonry structures

Christiane MAIERHOFER, Mathias ROELLIG p 695

Damage identification applied to reinforced masonry structures

Flavio MOSELE, Francesca DA PORTO, Claudio MODENA p 701

Calibration and on-site application of radar and sonic methods for quality control

of reinforced masonry

Diego AROSIO, Francesca DA PORTO, Flavio MOSELE, Stefano MUNDA, Luigi ZANZI... p 707

A contribution to the characterization of masonry typologies by using sonic

waves investigationsMaria RosaVALLUZZI, Francesca DA PORTO, F. CASARIN, N. MONTEFORTE,Claudio MODENA p 713

Surface waves

High-speed train motion-induced Rayleigh waves applied to the detection

of subsurface cavities

Vincent BALTAZART, Philippe COTE, Jehanne DEMAND p 721

Experimental Updating ofSoil Profiles through the Spatial Phase Dispersionof Surface Waves

Marcelo A. CEBALLOS, Carlos A. PRATO p 727

Evaluation of Distributed Surface-breaking Cracks in Concrete Using Surface Wave

Transmission Method

Seong-Hoon KEE, Jinying ZHU p 733

Data processing

The use of wavelets on the response of a beam to a calibrated vehicle for damage detection

Arturo GONZALEZ, David HESTER p 743

Application of S Transform in Structural Health MonitoringVikram PAKRASHI, Bidisha GHOSH p 749

Non-intrusive Digital Optical Means to Develop Bridge Performance Information

Ronald GAMACHE, Erin SANTINI-BELL p 755

Updating Structural Properties using Vibration-based Nondestructive Testingwith Modal Parameters

Qindan HUANG, Paolo GARDONI, Stefan HURLEBAUS p 761

Ultrasonic NDT of building materials based on wave features analysis

Mariangela USAL Massimo CAMPLAN1, Barbara CANNAS, Giovanna CONCU p 769

Non-linear Frequency Domain Techniques for Processing Impact-Echo Signalsfor Distributed Damage in Concrete

Richard LIVINGSTON, Nicolas McMORRIS, Cintia LIJERON, Amde AMDE p 775

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NDTCE'09, Non-Destructive Testing in Civil EngineeringNantes, France, June 30th - July 3rd, 2009

Two-channel Impact-EchoParisaSHOKOUHI p781

Specifications and guidelines

Federal Aviation Administration Airport Pavement Management and Airport Pavement

Roughness Evaluation

Albert LARKIN, Gordon F. HAYHOE p 791

The Romanian Road Administration Experience in The Field ofNDT for BridgesCristina ROMANESCU, Constantin IONESCU, Rodian SCINTEIE p 797

Damage evaluation of reinforced concrete structures in aggressive environments:

Investigation and diagnosisloan PEPENAR p 803

DGZfP Merkblatt B11 - A Guideline Describing Fundamentals and Applicationsof the Impact-Echo Method

M. SCHICKERT, J. NEISECKE, W. BRAMESHUBER, C. COLLA, C. FLOHRER,

A. GARDAI, Ch. GROBE, M. KRAUSE, O. KROGGEL, M. KRUGER, M. WILLMES p 807

Asphalt properties

Estimation of compaction of bituminous mixtures at microwave frequenciesCyrille FAUCHARD, Bo LI, Estelle FERRARI, Laurent LAGUERRE, Xavier

DEROBERT, Nabil BENJELLOUN, Belahcene MAZARI p 817

Damage characterization of asphalt in laboratory by ultrasonic wave propagationAdrien HOUEL, Laurent ARNAUD p 823

Determining the asphalt mastercurve from free-free resonant testing on cylindrical samplesNils RYDEN p 829

Concrete properties

Relationship between ultrasonic velocity, mixtures and porosity of concretes

(effect of transducers dimensions)Abdelhalim BENOUIS, Abdelouahab GRINI p 837

Ultrasonic characterization of cementitious materials using frequency-dependent

velocity and attenuation

Miguel Angel MOLERO ARMENTA, Ignacio SEGURA, Margarita HERNANDEZ,

Miguel Angel GARCIA IZQUIERDO, Jose ANAYA p 845

Experimental determination of the relationship between porosity and surface

wave parameters of fully and partially saturated cement paste

Fethi SOLTANI, Zoubeir LAFHAJ, Marc GOUEYGOU p 851

Effect of geometrical diffraction on non-contact measurements of ultrasonic

attenuation in cement-based materials

Marc GOUEYGOU, Fethi SOLTANI, Zoubeir LAFHAJ, Bogdan PIWAKOWSKI p 857

Analytical study of the sensitivity of Rayleigh wave for the non destructive evaluation

of cover-concrete

Loic LE MARREC, Mathieu CHEKROUN, Geraldine VILLAIN, Odile ABRAHAM,

Lalaonirina RAKOTOMANANA p 863

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NDTCE'09, Non-Destructive Testing in Civil EngineeringNantes, France, June 30th - July 3rd, 2009

Analysis of coherent surface wave dispersion and damping for non destructive testingof concrete

Mathieu CHEKROUN, Loic LE MARREC, Odile ABRAHAM, Geraldine VILLAIN,

Olivier DURAND p 869

Presumption of deterioration concrete strength by small size core and X-ray techniquewith contrast medium

Mitsuhiro TAKEDA, Koji OTSUKA p 875

Determination of the bulk elastic moduli of various concrete by resonance frequency

analysis of slabs submitted to degradationsG6raldine VILLAIN, Odile ABRAHAM, Loic LE MARREC,

Lalaonirina RAKOTOMANANA p 881

Ultrasonic imaging in reinforced concrete with a matrix transducer phased array

Guillemette RIBAY, Olivia PARIS, Jean-Mathieu RAMBACH p 887

Determination of fibres orientation in UHPFRC and evaluation of their effect

on mechanical propertiesJean-Francois LATASTE, Stephanie J. BARNETT, Tony PARRY, Marios N. SOUTSOS p 893

Acoustic emission

Testing of Compressive and Bending Strength of Concrete and Monitoring Acoustic

Emission Parameters

Dunja MIKULIC, Bojan MILOVANOVIC, Ivan GABRIJEL p 903

Damage assessment in post-tensioned concrete viaduct by b- and lb-value analysisof AE signal

Edoardo PROVERBIO, Vincenzo VENTURI, Giuseppe CAMPANELLA p 909

Investigation of damage mechanisms of polymer concrete: Multivariate analysis based

on temporal features extracted from acoustic emission signalsAnne MAREC, Rachid BERBAOUI, Jean-Hugh TOMAS, Abderrahim EL MAHI,Rachid EL GUERJOUMA p 917

Acoustic emission localization methods for large structures based on beamformingand array techniques

Christian U. GROSSEp 923

Phase space reconstruction for the classification of acoustic emission waveforms

Sifaques KACIMI, Stephane LAURENS p 931

Application ofthe Acoustic Emission Technique to assess damage in masonryunder increasing and sustained axial loading

Els VERSTRYNGE, Luc ScHUEREMANS, Dionys VAN GEMERT, Martine WEVERS p 937

Detection by acoustic emission of damage in cable anchorageLaurent GATLLET, Hasnae ZEJLI, Abdelouahed LAKSDMI, Christian TESSIER,Monseff DRISSI-HABTI, Salim BENMEDAKHENE p 943

Acoustic Emission use for prestressing strands corrosion assessment

Marianne PERRTN, Laurent GAILLET, Christian TESSIER, Hassane IDRISSI p 949

The Joint Weld Destruction Study by Non-destructive Control Methods

Vasily MISHAKTN, Alexander GONCHAR, Natalya KASSINA, Vyacheslav KLYUSHNIKOV,... p 955

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NDTCE'09, Non-Destructive Testing in Civil EngineeringNantes, France, June 30th - July 3rd, 2009

Wood

Complex Resistivity (CR) of Wood and Standing Trees

Tina MARTIN p 963

Ultrasonic indirect method for evaluating clear wood strength and stiffness

Jose MACHADO, Pedro PALMA, Sofia SIMOES p 969

Defects in wood non destructive locating with low frequency Ultrasonic Echo Technique

Andreas HASENSTAB, Kurt OSTERLOH p 975

Detecting points of unintentional ventilation

Jommi SUONKETO, Minna KORPI, Anu AALTONEN p 983

Applications and limitations of NDT: a timber bridge case studyThomas TANNERT, Andreas MULLER, Mareike VOGEL p 989

Other applications

Methodology for the validation of NDT-CE methods using transit time measurement

Alexander TAFFE, Christoph GEHLEN p 997

Evaluation of bonding quality between concrete layers using Lamb waves

Riad Al WARDANY, Gerard BALLIVY, Jean-Louis GALL!AS, Kaveh SALEH p 1003

Measuring of crack bridging of CFRP strengthened concrete by digital image correlation

Lander VASSEUR, Stijn MATTHYS, L. TAERWE, D. VAN HEMELRIJCK p 1009

Study of chloride ion diffusion in concrete exposed to a marine environment

R. MUNOZ LEDO, M. A. GONZALEZ NUNEZ, J. M. MALO,

J. URUCHURTU CHAVARIN p 1015

Author index p 1023

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