SAFECLADDING
IMPROVED FASTENING SYSTEMS OF CLADDING WALL PANELS OF PRECAST BUILDINGS IN SEISMIC ZONES
| Coordinatore | BUREAU INTERNATIONAL DU BETON MANUFACTURE
Organization address
address: RUE D ARLON 55 contact info |
| Nazionalità Coordinatore | Belgium [BE] |
| Totale costo | 2˙775˙364 € |
| EC contributo | 2˙118˙600 € |
| Programma | FP7-SME
Specific Programme "Capacities": Research for the benefit of SMEs |
| Code Call | FP7-SME-2012 |
| Funding Scheme | BSG-SME-AG |
| Anno di inizio | 2012 |
| Periodo (anno-mese-giorno) | 2012-08-01 - 2015-07-31 |
Partecipanti
| # | ||||
|---|---|---|---|---|
| 1 |
BUREAU INTERNATIONAL DU BETON MANUFACTURE
Organization address
address: RUE D ARLON 55 contact info |
BE (BRUXELLES) | coordinator | 782˙738.86 |
| 2 |
TURKIYE PREFABRIK BIRLIGI DERNEGI - TURKISH PRECAST CONCRETE ASSOCIATION TPCA
Organization address
address: FARABI SOKAK - CANKAYA 39/10 contact info |
TR (ANKARA) | participant | 580˙609.07 |
| 3 |
ASSOBETON - ASSOCIAZIONE NAZIONALE INDUSTRIE MANUFATTI CEMENTIZI
Organization address
address: VIA G ZANELLA 36 contact info |
IT (MILANO) | participant | 418˙306.20 |
| 4 |
ASOCIACION NACIONAL DE PREFABRICADOS Y DERIVADOS DEL CEMENTO - ANDECE
Organization address
address: Paseo de la Castellana 226 contact info |
ES (Madrid) | participant | 113˙089.25 |
| 5 |
B.S. ITALIA SPA
Organization address
address: VIA STEZZANO 28 contact info |
IT (ZANICA) | participant | 95˙599.25 |
| 6 |
EUROPEAN ENGINEERED CONSTRUCTION SYSTEMS ASSOCIATION EV
Organization address
address: KAISERSWERTHER STRASSE 137 contact info |
DE (DUSSELDORF) | participant | 54˙120.00 |
| 7 |
YAPI MERKEZI PREFABRIKASYON AS
Organization address
address: BARAJ YOLU CADDESI MIMAR SINAN 102 contact info |
TR (ISTANBUL) | participant | 44˙446.76 |
| 8 |
AFAPREFABRIK PREFABRIKE BETON SAN.VE TIC. AS
Organization address
address: CUMHURIYET BULVARI 300 - K.7 contact info |
TR (IZMIR - ALSANCAK) | participant | 15˙014.61 |
| 9 |
YAPI MERKEZI INSAAT VE SANAYI AS
Organization address
address: MIMAR SINAH MAH BARAJ YOLU CAD 60/1 SULTANBEYLI contact info |
TR (ISTANBUL) | participant | 14˙676.00 |
| 10 |
ISTANBUL TEKNIK UNIVERSITESI
Organization address
address: AYAZAGA KAMPUSU contact info |
TR (ISTANBUL) | participant | 0.00 |
| 11 |
JRC -JOINT RESEARCH CENTRE- EUROPEAN COMMISSION
Organization address
address: Rue de la Loi 200 contact info |
BE (BRUSSELS) | participant | 0.00 |
| 12 |
NATIONAL TECHNICAL UNIVERSITY OF ATHENS - NTUA
Organization address
address: HEROON POLYTECHNIOU 9 ZOGRAPHOU CAMPUS contact info |
EL (ATHINA) | participant | 0.00 |
| 13 |
POLITECNICO DI MILANO
Organization address
address: PIAZZA LEONARDO DA VINCI 32 contact info |
IT (MILANO) | participant | 0.00 |
| 14 |
UNIVERZA V LJUBLJANI
Organization address
address: KONGRESNI TRG 12 contact info |
SI (LJUBLJANA) | participant | 0.00 |
Mappa
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Obiettivo del progetto (Objective)
The current design practice of precast buildings is based on a frame model where the peripheral cladding panels enter only as masses without any stiffness. The panels are then connected to the structure with fastenings dimensioned with a local calculation on the base of their mass for anchorage forces orthogonal to the plane of the panels. This design approach does not work, as it was recently dramatically shown by several recent violent shakes, like L’Aquila in 2009 and Grenada in 2010. The panels, fixed in this way to the structure, come to be integral part of the resisting system conditioning its seismic response. The high stiffness of this resisting system leads to forces much higher than those calculated from the frame model. These forces are related to the global mass of the floors and are primarily directed in the plane of the walls. Furthermore, the seismic force reduction in the type of precast structures of concern relies on energy dissipation in plastic hinges formed in the columns. Very large drifts of the columns are needed to activate this energy dissipation foreseen in design. However, typically the capacity of the connections between cladding and structure is exhausted well before such large drifts can develop. Therefore, the design of these connections cannot rely on the seismic reduction factor used for design of the bare structure. New technological solutions for connectors with proper design approaches are urgently required. The research project SAFECLADDING is thus aimed to investigate, by means of a balanced combination of experimental and analytical activity, the seismic behaviour of precast structures with cladding wall panels and to develop innovative connection devices and novel design approaches for a correct conception and dimensioning of the fastening system to guarantee good seismic performance of the structure throughout its service life.