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Pregled bibliografske jedinice broj: 902102

Zbornik radova

Autori: Smilović, Marija; Radnić, Jure; Grgić, Nikola; Baloević, Goran
Naslov: Effect of anisotropy of masonry on the behaviour of unreinforced and confined masonry walls under ground motion
Izvornik: 11th International Conference on Advanced Computational Engineering and Experimenting, ACE-X2017
Skup: 11th International Conference on Advanced Computational Engineering and Experimenting, ACE-X--2017
Mjesto i datum: Vienna, Austria, 3-6.7.2017
Ključne riječi: masonry wall, ground motion, numerical model, effect of anisotropy
Sažetak:
This paper presents the numerical test results that consider the effect of anisotropy on the behaviour of unreinforced and confined masonry walls under horizontal harmonic ground acceleration. Two-storey masonry walls with different lengths (3m, 6m, 12m) are analysed. The wall foundations are supported on a rigid base, with possibility of lifting. A non-linear macro model of masonry is used. Cases of strong masonry (high strength and stiffness) and weak masonry (low strength and stiffness) are analysed. Different coefficients of anisotropy of masonry ca (0.2, 0.4, 0.6, 1.0) are considered. It is adopted that excitation period corresponds to the fundamental period of individual elastic wall. Horizontal displacement at the top of the walls, vertical stresses in masonry and concrete at the bottom of the walls and stresses in the longitudinal bars at the bottom of the vertical ring beams are shown for each analysed case. It is concluded that the ultimate bearing capacity and deformability of walls, as well as stresses in masonry, concrete and reinforcement under dynamic excitation significantly depend on the anisotropy of masonry. It is also concluded that, with the same coefficient of anisotropy, the behaviour of masonry walls depends on its type (unreinforced, confined), height to length ratio (0.5, 1.0, 2.0), and the quality of masonry (strong, weak).
Vrsta sudjelovanja: Poster
Vrsta prezentacije u zborniku: Sažetak
Vrsta recenzije: Međunarodna recenzija
Projekt / tema: 083-0000000-1538
Izvorni jezik: ENG
Kategorija: Znanstveni
Znanstvena područja:
Građevinarstvo
Upisao u CROSBI: Marija Smilović (Marija.Smilovic@gradst.hr), 30. Lis. 2017. u 12:45 sati



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