Naslov
Influence of Openings, With and Without Confinement, on Cyclic Response of Infilled R-C Frames — An Experimental Study

Autori
Sigmund, Vladimir ; Penava, Davorin

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, pp prezentacija, znanstveni

Izvornik
Advanced Structural Design / Gunmo, Gu ; Gil, Antonio J. - Swansea : Swansea University, Zienkiewicz Centre for Computational Engineering, College of Engineering, 2015, 1-38

Skup
Advanced Structural Design

Mjesto i datum
Wales, Ujedinjeno Kraljevstvo; Swansea, Ujedinjeno Kraljevstvo, 23.11.2015

Vrsta sudjelovanja
Plenarno

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
Infilled R-C Frames; Masonry Infill; Opening Type and Position; Confinement; Quasi-static Cyclic Loading; Analytical Verification

Sažetak
This lecture presents the experimental results of a study on reinforced-concrete frames infilled with masonry with openings. The frames were designed according to current European codes. They were built in a scale 1:2.5 and infilled with masonry walls. Mid-size window and door openings were located centrically and eccentrically and were executed with and without tie-columns around them. Presence of masonry infill, although not accounted for in design, improved the system behavior (increase in stiffness, strength and energy dissipation capacity) at drift levels of up to 1%. During the test, openings did not influence the initial stiffness and strength at low drift levels. Their presence became noticeable at higher drift levels, when they lowered the energy dissipation capacity of the system. The infill wall had a multiple failure mechanism that depended on the opening height and position. Tie-columns controlled the failure type, independent of the opening type, prevented out-of-plane failure of the infill, and increased the system's ductility. Negative effects of the infill on the frame were not observed. The infill's contribution could be deemed positive as it enhanced the overall Structural Performance Level. Analytical expressions commonly used for infilled frames underestimate the infill's contribution to strength and stiffness and overestimate the contribution of the bare frame.

Izvorni jezik
Engleski

Znanstvena područja
Građevinarstvo

Napomena
Predavanje je održano u okivru nastavnog modula Diplomskog sveučilišnog studija (M - HE Level 7 Taught Masters / PGDip / PGCert) naziva EG-M24 - Advanced Structural Design, čiji je nositelj Dr. Gu, G., tijekom Erasmus+ boravka.

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