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Impact testing of RC slabs strengthened with CFRP strips


Radnić, Jure; Matešan, Domagoj; Grgić, Nikola; Baloević, Goran
Impact testing of RC slabs strengthened with CFRP strips // Composite structures, 121 (2015), 90-103 doi:10.1016/j.compstruct.2014.10.033 (međunarodna recenzija, članak, znanstveni)


Naslov
Impact testing of RC slabs strengthened with CFRP strips

Autori
Radnić, Jure ; Matešan, Domagoj ; Grgić, Nikola ; Baloević, Goran

Izvornik
Composite structures (0263-8223) 121 (2015); 90-103

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Concrete slab; Impact; Experiment; Strain rate; Numerical model

Sažetak
First, the behaviour of two-way conventional reinforced concrete (RC) slabs and identical slabs strengthened by carbon-fibre-reinforced polymer (CFRP) under impact forces were experimentally investigated. The weight of the drop hammer and the drop height used in the tests were varied. A portion of the slabs were loaded successively until failure, whereas others were loaded only once. The slabs were previously tested for a static force at the midspan up to failure. A previously developed numerical model for nonlinear static and dynamic analysis of reinforced and prestressed concrete slabs and shells is presented. An improved numerical model developed in the current work was verified using experimental tests. The strengthening of the conventional RC slabs by CFRP strips was concluded not significantly to contribute to the slabs’ limit bearing capacity for static and impact loading, where punching shear failure occurred. The developed numerical model was demonstrated to be reliable.

Izvorni jezik
Engleski

Znanstvena područja
Građevinarstvo



POVEZANOST RADA


Projekt / tema
083-0000000-1538 - Eksperimentalna i numerička istraživanja potresne otpornosti građevina (Jure Radnić, )

Ustanove
Fakultet građevinarstva, arhitekture i geodezije, Split

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus


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