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See detailConcours général, année 1833. Prix d'honneur
Catalan, Eugène ULg

in Nouvelles Annales de Mathématiques : Journal des Candidats aux Ecoles Polytechnique et Normale (1845), 4

Detailed reference viewed: 3 (0 ULg)
See detailConcours habitat thermique
Nicolas, Jacques ULg; Poncelet, Jean-Pol

Report (1983)

The project, conducted with university of Liège, University of Louvain and Faculté Polytechnique de Mons consisted in monitoring 16 Belgian dwellings characterized by an original energy system. This was a ... [more ▼]

The project, conducted with university of Liège, University of Louvain and Faculté Polytechnique de Mons consisted in monitoring 16 Belgian dwellings characterized by an original energy system. This was a contest from which one building, with good energy performance was selected. [less ▲]

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See detailLe concours Jean-Pictet vu par les "pictéistes" liégeois
Kettels, Aurélie ULg; Schreuer, Anne-Cécile; Wimmer, Thierry

in Revue de la Faculté de Droit de l'Université de Liège (2007), 2(2), 333-336

Article destiné à promouvoir le Concours Jean-Pictet de droit international humanitaire

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See detailConcours Life in Universe- Compte-rendu
Jaminon, Martine ULg

Article for general public (2001)

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See detailLe concret et l’abstrait dans la phonologie et dans la phonétique de Saussure
Badir, Sémir ULg

in Cahiers Ferdinand de Saussure (2012), 65

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See detailA concrete beam finite element accounting for shear effects
Kaiser, F.; Degée, Hervé ULg

in Proceedings of the 3rd DIANA Conference - Finite Elements in Civil Engineering Applications (2002)

This paper aims at presenting a new beam finite element allowing to simulate the behaviour of structures made of concrete beam structural elements where shear can have a significant effect. An incre ... [more ▼]

This paper aims at presenting a new beam finite element allowing to simulate the behaviour of structures made of concrete beam structural elements where shear can have a significant effect. An incre-mental MCFT-based constitutive law (Modified Compression Field Theory) describes behaviour of concrete. Results obtained by using this element are compared with membrane models and tests results. [less ▲]

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See detailA concrete model considering the load history applied to centrally loaded columns under fire attack
Schneider, Ulrich; Morita, T.; Franssen, Jean-Marc ULg

in Proceedings of the fourth internatioanl symposium on fire safety science (1994)

A uniaxial constitutive model for concrete at elevated temperatures is presented. The model takes into account the effects of transient creep as well as the effects of the initial load level. It is based ... [more ▼]

A uniaxial constitutive model for concrete at elevated temperatures is presented. The model takes into account the effects of transient creep as well as the effects of the initial load level. It is based on experimental tests on concrete cylinders and is here validated by comparison with experimental test on short restrained columns. [less ▲]

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See detailConcrete removal techniques: influence on residual cracking and bond strength
Bissonnette, Benoit; Courard, Luc ULg; Vaysburd, Alex et al

in Concrete International (2006), 28(12), 49-55

The aim of concrete surface preparation prior to repair is to obtain a surface with properties close to that of the bulk concrete. In this paper, the results of an investigation intended to evaluate the ... [more ▼]

The aim of concrete surface preparation prior to repair is to obtain a surface with properties close to that of the bulk concrete. In this paper, the results of an investigation intended to evaluate the mechanical degradation induced by different surface preparation techniques are presented. Optical microscope observations clearly show that more cracking is induced with jack-hammers than with the other investigated techniques and that the cracking density increases with the hammer weight. While more information is needed to evaluate quantitatively the effects of concrete removal operations, it appears from the reported results that techniques such as sandblasting, scarifying and water jetting are preferable, as they clearly leave much less defects in the substrate. [less ▲]

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See detailConcrete repair bond: evaluation and factors of influence
Bissonnette, Benoît; Courard, Luc ULg; Garbacz, Andrzej et al

in Grantham, Michael; Basheer, Muhammed; Magee, Bryan (Eds.) et al Proceedings of the 5th International Conference on Concrete Repair (2014)

Repair and strengthening of existing concrete structures are among the biggest challenges civil engineers are facing today and will have to face in the years to come. Present concerns of sustainable ... [more ▼]

Repair and strengthening of existing concrete structures are among the biggest challenges civil engineers are facing today and will have to face in the years to come. Present concerns of sustainable development emphasizing repair instead of new construction will only strengthen this trend. Concerted efforts towards improving the durability of concrete repairs are still needed from scientists and engineers. One of the critical aspects of durability of concrete repairs and overlays is lasting and sufficient interfacial bond between repair material and existing concrete substrate. This paper summarizes some of the findings of a collaborative study devoted to the most significant factors influencing bond in repairs (roughness, degree of saturation and carbonation of the substrate) and its field evaluation (type of loading, device misalignment). Based on the test results collected in different test programs, guideline-type recommendations for surface preparation prior to repair were issued. [less ▲]

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See detailConcrete Repair Science: new trends - 10 Years cooperation between the University of Liège and the Politechnika Warsawska
Courard, Luc ULg; Garbacz, Andrzej

Book published by Université de Liège (2010)

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See detailConcrete Surface Engineering
Courard, Luc ULg; Bissonnette, Benoît; Garbacz, Andrzej

Book published by CRC Press (2015)

The objective of the book is to provide better basic knowledge about concrete surface properties with regard to repair operations. When Long et al. (2001) were asking “Why assess the properties of near-to ... [more ▼]

The objective of the book is to provide better basic knowledge about concrete surface properties with regard to repair operations. When Long et al. (2001) were asking “Why assess the properties of near-to-surface concrete?,” they were referring to bond development, one of the most important research topics in the field of concrete repairs. Adjoining any material to an existing concrete surface intrinsically involves this interfacial issue. Surface engineering is an area of knowledge addressing all surface-related considerations, notably those pertaining to adhesion. It provides a fundamental understanding of what will make the contact effective or not, allowing for interactions of variable intensity between the materials. A variety of suitable scientific tools is available to characterize properties of layer, quality of substrate and adhesion of overlay to substrate. Many of the basics of surface engineering, which has long developed into a discipline in metallurgy, can in fact apply to the repair and surface treatment of concrete, with the main objective of achieving a desired durability. A fundamental approach is presented in this book and explained in connection with a variety of typical concrete repairs and surface treatments. This book is intended to become a leading-edge resource for practicing engineers, architects, repair specialists as well as researchers looking for: • scientific fundamental knowledge needed to understand how a concrete surface may act on adhesion of a variety of systems; • methods and techniques for analysing concrete surface characteristics; • rational means to evaluate advantages and disadvantages of the various surface preparation techniques; • recommendations to ensure satisfactory adherence of repair materials, coatings or injection products to concrete; • guidelines for selecting well adapted repair material and techniques. The authors’ expertise in the field of repair and maintenance of concrete is recognized internationally. They have been involved for many years in the work of related Rilem and ACI workgroups. This book is in fact the result of more than 15 years of collaborative research. [less ▲]

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See detailConcrete Surface Engineering for Cultural Heritage
Courard, Luc ULg

Scientific conference (2014, June)

Detailed reference viewed: 20 (4 ULg)
See detailConcrete surface roughness characterization by means of opto-morphology technique
Courard, Luc ULg; Schwall, D.; Piotrowski, T.

in Adhesion in Interfaces of Building Materials: a Multi-Scale Approach (2007)

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See detailConcrete surface treatments quantification by means of mechanical profilometry
Courard, Luc ULg; Garbacz, Andrzej; Gorka, M.

in Maultzsch, M. (Ed.) Proceedings of the 11th International Congress on Polymers in Concrete ICPIC 2004 (2004)

Existing concrete surfaces need to be roughened to a profile necessary to achieve mechanical interlock with repair material. Surface mechanical morphometry is based on the measurement of surface profile ... [more ▼]

Existing concrete surfaces need to be roughened to a profile necessary to achieve mechanical interlock with repair material. Surface mechanical morphometry is based on the measurement of surface profile - profilometry - which can be extended to 3D representation with surfometry by means of a stylus registering the profile. Profilometry and surfometry analysis were realized on concrete after different surface treatments (grinding, sandblasting, shotblasting, hand- and mechanical milling). The profile has been quantified by means of statistical and amplitude parameters calculated from the waviness (lower frequencies) and the roughness (higher frequencies) profiles of the surface. Bearing ratio and Abbott's curve observations are also very useful to characterise surface profiles. [less ▲]

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See detailConcrete-Pathology-Secondary Precipitations
Darimont, Anne ULg

in Microscopy Research and Technique (1993), 25(2), 179-180

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See detailLes concrétions carbonatées des grottes : aperçu synthétique
Gewelt, Michel; Ek, Camille ULg

in Annales de la Société Géologique de Belgique (1988), 111

A synthetic overview of the scientific work on calcium carbonate cave deposits (dripstones and flowstones) over the last twenty years is carried out. More particularly, recent studies on speleothems ... [more ▼]

A synthetic overview of the scientific work on calcium carbonate cave deposits (dripstones and flowstones) over the last twenty years is carried out. More particularly, recent studies on speleothems composition, growth, age and paleoclimatic environment are examined. Main new results are in relation with the development of isotopic and radiometric dating methods which together with other research fields like palynology and tephrostratigraphy make speleothem a first choice material for the study of Late and Upper Quaternary. Beside geomorphological contributions — including Belgian results on maximum rates of valleys entrenchment and deepening — increasing number of dates allow for statistical speleothem repartition studies which could be related with paleoclimates. Two new frequency curves of U-series ages data of speleothems are presented. [less ▲]

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See detailConcubinatus non turpat, note sous Trib. Liège, 2 octobre 1989
Gerkens, Jean-François ULg

in Actualités du Droit (1992), (4/1992), 1333-1339

Le concubinage fait naître une obligation naturelle de contribuer aux charges du ménage. Ce qui dépasse le montant de cette obligation naturelle peut faire l'objet d'une répétition pour enrichissement ... [more ▼]

Le concubinage fait naître une obligation naturelle de contribuer aux charges du ménage. Ce qui dépasse le montant de cette obligation naturelle peut faire l'objet d'une répétition pour enrichissement sans cause. [less ▲]

Detailed reference viewed: 16 (1 ULg)
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See detailConcurrence difficile
Petit, Nicolas ULg

Article for general public (2009)

Detailed reference viewed: 26 (4 ULg)
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See detailLa concurrence entre „rallonge“ et „parataxe“ dans l'oeuvre de Tacite : conditionnements linguistiques, choix stylistiques
Longrée, Dominique ULg

in Rosen, Hannah (Ed.) Aspects of Latin, Papers from the Seventh International Colloquium on Latin Linguistics, Jerusalem, 19-23 avril 1993 (1996)

Detailed reference viewed: 19 (0 ULg)