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Pregled bibliografske jedinice broj: 854818

Časopis

Autori: Čeh, Nina; Camenen, Jean-Francois; Bićanić, Nenad; Pellegrino, Antonio; Petrinić, Nik
Naslov: Overturning of multiple-block stacks - dynamic sensitivity parameters and scaling effect
( Overturning of multiple-block stacks - dynamic sensitivity parameters and scaling effect )
Izvornik: International Journal of Masonry Research and Innovation (2056-9459) 1 (2016), 4; 351-374
Vrsta rada: članak
Ključne riječi: block stack overturning ; non-smooth contact dynamics ; rocking motion ; multiple block stacks ; dynamic sensitivity ; scaling effect ; double pulse base excitation ; simulation
( block stack overturning ; non-smooth contact dynamics ; rocking motion ; multiple block stacks ; dynamic sensitivity ; scaling effect ; double pulse base excitation ; simulation )
Sažetak:
Both experimental and computational dynamic sensitivity study of multiple-block stacks subjected to a double pulse base excitation are examined. Series of test experiments was conducted at the Oxford Impact Engineering Laboratory on a bespoke platform for a controlled double (initial and reverse) pulse base excitation history. For the computational simulations and validation, the base of the block stack was subjected to a constant acceleration of a finite duration until the desired peak-base velocity, corresponding to the measured experimental values, was achieved. Different overturning modes (forward, backward, global and partial) in both simulations and experiments were characterised as a function of the peak initial base velocity and the timing of the reverse impulse, controlled by the stop gap distance between the base and the stopper. The influence of the block sample scales has also been examined. The conducted set of validation benchmarks is believed to be valuable for researchers, code developers, safety case engineers and industry regulators.
Projekt / tema: HRZZ-IP-2013-11-1631
Izvorni jezik: eng
Kategorija: Znanstveni
Znanstvena područja:
Građevinarstvo,Temeljne tehničke znanosti
URL Internet adrese: http://www.inderscience.com/info/inarticle.php?artid=81279
Broj citata:
Altmetric:
DOI: 10.1504/IJMRI.2016.10002055
URL cjelovitog teksta:
Google Scholar: Overturning of multiple-block stacks - dynamic sensitivity parameters and scaling effect
Upisao u CROSBI: Nina Čeh (nina.ceh@gradri.uniri.hr), 9. Sij. 2017. u 15:24 sati



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