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Naji, M. |
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Motta, Antonella |
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Aletan, Dirar |
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Mohamed, Tarek |
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Ertürk, Emre |
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Taccardi, Nicola |
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Kononenko, Denys |
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Petrov, R. H. | Madrid |
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Alshaaer, Mazen | Brussels |
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Bih, L. |
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Casati, R. |
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Muller, Hermance |
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Kočí, Jan | Prague |
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Šuljagić, Marija |
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Kalteremidou, Kalliopi-Artemi | Brussels |
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Azam, Siraj |
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Ospanova, Alyiya |
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Blanpain, Bart |
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Ali, M. A. |
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Popa, V. |
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Rančić, M. |
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Ollier, Nadège |
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Azevedo, Nuno Monteiro |
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Landes, Michael |
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Rignanese, Gian-Marco |
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Garbacz, Andrzej
Warsaw University of Technology
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (34/34 displayed)
- 2021Nanomodification, Hybridization and Temperature Impact on Shear Strength of Basalt Fiber-Reinforced Polymer Barscitations
- 2021Development of Impact-Echo Multitransducer Device for Automated Concrete Homogeneity Assessmentcitations
- 2020Influence of Activators on Mechanical Properties of Modified Fly Ash Based Geopolymer Mortarscitations
- 2020Influence of polymer modification on the microstructure of shielding concrete citations
- 2020Specification Guidelines for Surface Preparation of Concrete prior to Repair
- 2020The effect of temperature on the mechanical properties of hybrid FRP bars applicable for the reinforcing of concrete structurescitations
- 2020Relation between microstructure, technical properties and neutron radiation shielding efficiency of concretecitations
- 2018Development of Innovative HFRP Barscitations
- 2018On Mechanical Characteristics of HFRP Bars with Various Types of Hybridizationcitations
- 2016Effects of limestone fillers on surface free energy and electrical conductivity of the interstitial solution of cement mixes
- 2016A quantitative approach to the concept of concrete repair compatibility
- 2015Concrete Surface Engineeringcitations
- 2015Tensile properties of polymer repair materials - effect of test parameters
- 2015Properties of Cement Mortars Modified with Ceramic Waste Fillers citations
- 2015Tensile Properties of Polymer Repair Materials - effect of test parameters
- 2014Effect of misalignment on pulloff test results: numerical and experimental assessmentscitations
- 2014Near-to-surface properties affecting bond strength in concrete repaircitations
- 2014Effects of limestone fillers on surface free energy and electrical conductivity of the interstitial solution of cement mixescitations
- 2014Effects of limestone fillers on surface free energy and electrical conductivity of the interstitial solution of cement mixescitations
- 2013Concrete-like polymer composites with fly ashes – Comparative studycitations
- 2013Surface properties of concrete and criteria for adhesion of repair systems
- 2013Surface properties of concrete and criteria for adhesion of repair systems
- 2013A surface engineering approach applicable to concrete repair engineeringcitations
- 2013Effect of introducing recycled polymer aggregate on the properties of C-PC compositescitations
- 2013Investigation on Concrete Beams Reinforced with Basalt Rebars as an Effective Alternative of Conventional R/C Structurescitations
- 2009Evaluation of the effect of load eccentricity on pull-off strength
- 2009Surfology: concrete substrate evaluation prior to repair
- 2009New trends in concrete-polymer composite materials and systems
- 2009Some theoretical and practical considerations about surface preparation of concrete and adhesion of repair systems.
- 2008New trends in concrete-polymers composite materials and systems
- 2006Relationship between surface characteristics and superficial cohesion of concrete
- 2005Relationship between surface characteristics and superficial cohesion of concrete
- 2005Effect of concrete surface treatment on adhesion in repair systemscitations
- 2001On the characterization of polymer concrete fracture surfacecitations
Places of action
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conferencepaper
A quantitative approach to the concept of concrete repair compatibility
Abstract
peer reviewed ; The work reported in this paper is part of a wider research program intended to provide the repair industry with improved fundamental knowledge to implement rational design methods and rules for repairs. In that regard, there is a strong need to study the fundamental relationships and parameters that underlie the repair compatibility concepts, in particular those relating to dimensional compatibility. In the first part of the paper, classical formulas derived for thick cylindrical specimens were used to analyze the tensile stress buildup in annular restrained shrinkage test specimens, taking into account the restraining conditions the investigated ring test method and the individual concrete properties/phenomena determined experimentally (elastic modulus, creep coefficient, drying shrinkage deformation). By comparing the ring test results with the calculated tensile stresses, the validity and accuracy of the theoretical approach could be appraised. A quantitative approach for the evaluation of the performance of concrete repair in terms of dimensional compatibility was then developed. Derived from the basic strain balance approach (ratio between the total deformability in tension and the drying shrinkage deformation), a parameter referred to as dimensional compatibility index (CI) was introduced in order to analyze the evolution of dimensional compatibility as a function of time for a given concrete mixture, taking into account the actual degree of restraint in the element. Compatibility index evolution curves were calculated for various repair concrete mixtures in order to highlight material behavior relating to composition parameters and temperature. As it requires the evaluation of a limited number of individual properties that are for most readily available (i.e. strength, elastic modulus, shrinkage), the compatibility index expressed in terms of deformation carries a lot of potential as a relatively simple and convenient analytical tool for assessing the cracking sensitivity of concrete ...