| Naslov: | Deformable polyurethane joints and fibre grids for resilient seismic performance of reinforced concrete frames with orthoblock brick infills |
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| Avtorji: | ID Rousakis, Theodoros (Avtor)
ID Ilki, Alper (Avtor)
ID Kwiecień, Arkadiusz (Avtor)
ID Viskovic, Alberto (Avtor)
ID Gams, Matija (Avtor)
ID Triller, Petra (Avtor)
ID Ghiassi, Bahman (Avtor)
ID Benedetti, Andrea (Avtor)
ID Rakicevic, Zoran (Avtor)
ID Colla, Camilla (Avtor)
ID Halici, Omer Faruk (Avtor)
ID Zając, BogusŁaw (Avtor)
ID Hojdys, Łukasz (Avtor)
ID Krajewski, Piotr (Avtor)
ID Rizzo, Fabio (Avtor)
ID Vanian, Vachan (Avtor)
ID Sapalidis, Anastasios (Avtor)
ID Papadouli, Efthimia (Avtor)
ID Bogdanovic, Aleksandra (Avtor) |
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| Datoteke: |  URL - Izvorni URL, za dostop obiščite https://www.mdpi.com/2073-4360/12/12/2869/htm
Opis: Odprti dostop
 PDF - Predstavitvena datoteka, prenos (5,77 MB)
MD5: FC572AC76D618BFFCB48EEB19023BAE7
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| Jezik: | Angleški jezik |
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| Tipologija: | 1.01 - Izvirni znanstveni članek |
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| Organizacija: |  ZAG - Zavod za gradbeništvo Slovenije
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| Povzetek: | The behaviour of reinforced concrete frames with masonry wall infills is influenced a lot by the stiffness and strength difference between the frame and the infill, causing early detrimental damage to the infill or to the critical concrete columns. The paper reports the results from shake table seismic tests on a full-scale reinforced concrete (RC) frame building with modified hollow clay block (orthoblock brick) infill walls, within INMASPOL SERA Horizon 2020 project. The building received innovative resilient protection using Polyurethane Flexible Joints (PUFJs) made of polyurethane resin (PU), applied at the frame-infill interface in different schemes. Further, PUs were used for bonding of glass fibre grids to the weak masonry substrate to form Fibre Reinforced Polyurethanes (FRPUs) as an emergency repair intervention. The test results showed enhancement in the in-plane and out-of-plane infill performance under seismic excitations. The results confirmed remarkable delay of significant infill damages at very high RC frame inter-story drifts as a consequence of the use of PUFJs. Further, the PUFJ protection enabled the resilient repair of the infill even after very high inter-story drift of the structure up to 3.7%. The applied glass FRPU system efficiently protected the damaged infills against collapse under out-of-plane excitation while they restored large part of their in-plane stiffness. |
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| Ključne besede: | polyurethane, flexible joint, RC column, brick infill, shake table, resilience |
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| Status publikacije: | Objavljeno |
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| Verzija publikacije: | Objavljena publikacija |
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| Datum objave: | 30.11.2020 |
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| Založnik: | Molecular Diversity Preservation International |
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| Leto izida: | 2020 |
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| Št. strani: | str. 1-20 |
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| Številčenje: | Vol. 12, no. 12 |
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| PID: | 20.500.12556/DiRROS-16905  |
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| UDK: | 620.1/.2 |
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| ISSN pri članku: | 2073-4360 |
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| DOI: | 10.3390/polym12122869 |
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| COBISS.SI-ID: | 43446019 |
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| Avtorske pravice: | © 2020 by the authors. Licensee MDPI, Basel, Switzerland. |
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| Opomba: | Nasl. z nasl. zaslona;
Opis vira z dne 18. 12. 2020;
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| Datum objave v DiRROS: | 05.09.2023 |
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| Število ogledov: | 652 |
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| Število prenosov: | 275 |
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| Metapodatki: |    |
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