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Shake-table study of plaster effects on the behavior of masonry-infilled steel frames


Baloević, Goran; Radnić, Jure; Grgić, Nikola; Matešan, Domagoj
Shake-table study of plaster effects on the behavior of masonry-infilled steel frames // Steel and composite structures, 23 (2017), 2; 195-204 doi:10.12989/scs.2017.23.2.195 (međunarodna recenzija, članak, znanstveni)


Naslov
Shake-table study of plaster effects on the behavior of masonry-infilled steel frames

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

Izvornik
Steel and composite structures (1229-9367) 23 (2017), 2; 195-204

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

Ključne riječi
Masonry-infilled frame ; plaster ; fiber-reinforcement ; shake-table ; earthquake

Sažetak
The effects of plaster on the behavior of single- story single-bay masonry-infilled steel frames under in-plane base accelerations have been experimentally investigated by a shake-table. Tested structures were made in a 1/3 scale, with realistic material properties and construction methods. Steel frames with high and low flexural rigidity of beams and columns were considered. Each type of frame was tested with three variants of masonry: (i) non-plastered masonry ; (ii) masonry infill with conventional plaster on both sides ; and (iii) masonry infill with a polyvinyl chloride (PVC) net reinforced plaster on both sides. Masonry bricks were made of lightweight cellular concrete. Each frame was firstly successively exposed to horizontal base accelerations of an artificial accelerogram, and afterwards, to horizontal base accelerations of a real earthquake. Characteristic displacements, strains and cracks in the masonry were established for each applied excitation. It has been concluded that plaster strengthens the infill and prevents damages in it, which results in more favorable behavior and increased bearing capacity of plastered masonry-infilled frames compared to non- plastered masonry-infilled frames. The load- bearing contribution of the adopted PVC net in the plaster was not noticeable for the tested specimens, probably due to relative small cross section area of fibers in the net. Behavior of masonry-infilled steel frames significantly depends on frame stiffness. Strong frames have smaller displacements than weak frames, which reduces deformations and damages of an infill.

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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