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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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Triantafillou, Thanasis
University of Patras
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (39/39 displayed)
- 2024Diagonal Compression Tests on Unfired and Fired Masonry Wallettes Retrofitted with Textile-Reinforced Alkali-Activated Mortarcitations
- 2023Optimal design of ferronickel slag alkali-activated mortar for repair exposed to high thermal loadcitations
- 2023Seismic Retrofit of RC Short Columns with Textile-Reinforced Alkali-Activated or Cement-Based Mortarscitations
- 2023RESIDUAL PERFORMANCE OF ALKALI-ACTIVATED TRM AFTER EXPOSURE TO HIGH TEMPERATURES
- 2023Innovative Retrofitting of RC Structures Using Textile-Reinforced Alkali-Activated or Cement-Based Mortar Overlays
- 2022Seismic Behavior of Repaired and Externally FRP-Jacketed Short Columns Built with Extremely Low-Strength Concretecitations
- 2022Mechanical behavior of textile reinforced alkali-activated mortar based on fly ash, metakaolin and ladle furnace slagcitations
- 2022Rapid Heating of Textile Reinforced Concrete
- 2022Optimal Design of Ferronickel Slag Alkali-Activated Material for High Thermal Load Applications Developed by Design of Experimentcitations
- 2022Vulnerability assessment of an innovative precast concrete sandwich panel subjected to the ISO 834 firecitations
- 2022Tensile Performance of Textile-Reinforced Concrete after Fire Exposure: Experimental Investigation and Analytical Approachcitations
- 2021State-of-the-art review on experimental investigations of textile-reinforced concrete exposed to high temperaturescitations
- 2020Carbon Textile Reinforced Concrete at ambient and high temperatures
- 2019Effect of pre-damage on the seismic behaviour of FRP retrofitted sub-standard short columns
- 2018Innovative Seismic Isolation of Masonry Infills in Steel Frames using Cellular Materials at the Frame-Infill Interfacecitations
- 2018Innovative seismic isolation of masonry infills using cellular materials at the interface with the surrounding RC framescitations
- 2018Investigation of the bond properties between textile reinforced concrete and extruded polystyrene foam
- 2016Strengthening of Existing Masonry Structurescitations
- 2015Damage detection of reinforced concrete elements retrofitted with FRP by using a wireless measurement system
- 2015Damage detection of reinforced concrete columns retrofitted with FRP jackets by using PZT sensorscitations
- 2014Simulation of PZT monitoring of reinforced concrete beams retrofitted with CFRPcitations
- 2013Use of anchors in shear strengthening of reinforced concrete T-beams with FRPcitations
- 2013Fibre-reinforced polymer reinforcement enters fib Model Code 2010citations
- 2012Use of anchors in shear strengthening of reinforced concrete T-beams with FRP
- 2012Round Robin Test for composite-to-brick shear bond characterizationcitations
- 2009Optimum design of one way concrete slabs cast against Textile Reinforced Concrete Stay-in-Place Formwork Elements
- 2009Innovative Seismic Retrofitting of RC Columns Using Advanced Composites
- 2009Flexural strengthening of reinforced concrete columns with near-surface-mounted FRP or stainless steel
- 2008Textile reinforced mortar (TRM) versus FRP as strengthening material of URM wallscitations
- 2008Innovative seismic upgrading of RC columns in flexure with NSM reinforcement and textile-based jacketing
- 2007Textile-reinforced mortar (TRM) versus FRP as strengthening material of URM wallscitations
- 2005Masonry confinement with fiber-reinforced polymerscitations
- 2004Analysis and minimum cost design of concrete sandwich panels under out-of-plane loadingcitations
- 2004Fiber-reinforced polymer retrofitting of rectangular reinforced concrete columns with or without corrosion
- 2003Experimental investigation of FRP-strengthened RC beam-column jointscitations
- 2002Shear transfer capacity along pumice aggregate concrete and high-performance concrete interfacescitations
- 2002Analysis of FRP-strengthened RC beam-column jointscitations
- 2002Minimum cost design of concrete sandwich panels made of HPC faces and PAC corecitations
- 2000Composites as Strengthening Materials of Concrete Structures
Places of action
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article
Innovative seismic isolation of masonry infills using cellular materials at the interface with the surrounding RC frames
Abstract
<p>In this study an innovative concept is proposed to isolate – at low and moderate storey drifts – infill panels from the surrounding reinforced concrete (RC) frame, using thin layers of cellular materials. The concept is verified experimentally through testing of three fully infilled (i.e. at full height) and two partially infilled (i.e. at reduced height) RC frames with different infill-to-frame interface contact conditions under in-plane cyclic loading. The shear strength, hysteretic behavior, damage evolution and stiffness degradation of conventionally infilled RC frames is compared with the respective properties of frames with isolated infills. The experimental results show that fully infilled test specimens exhibit much more severe damage than the isolated ones, leading to the conclusion that the proposed isolation system significantly preserves the integrity of infill panels at moderate storey drifts and increases shear strength and lateral stiffness of the infilled frames at higher deformations. Additional tests on frames with infills at partial height show that cellular material joints at the sides of infills decrease the adverse effects of the infill-frame interaction. Finally, it is demonstrated that mechanical properties, contact conditions and joint thickness of the cellular material influence the overall hysteretic behavior of the specimens. A simple analytical model is developed, combining single-strut elements for the infills with nonlinear springs for the cellular material joints. The model, implemented in OpenSees, is in good agreement with test results. The concept is demonstrated through parametric analyses in full scale RC structures. Overall, it is concluded that the proposed technique has a high potential in reducing infill-frame interactions – hence damage of the infills – up to moderate drifts, whereas full interaction – hence increased capacity – is still in place when drifts are large.</p>