Naslov
Rocking stability: numerical and experimental investigation on prismatic blocks

Autori
Čeh, Nina ; Jelenić, Gordan ; Bićanić, Nenad

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, sažetak, ostalo

Izvornik
Book of bstracts of the 9th International Congress of Croatian Society of Mechanics (9th ICCSM 2018) / Marović, Pavao ; Krstulović-Opara, Lovre ; Galić, Mirela - Split : Hrvatsko društvo za mehaniku (HDM), 2018, 41-41

Skup
9th International Congress of Croatian Society of Mechanics (ICCSM 2018)

Mjesto i datum
Split, Hrvatska, 18.09.2018. - 22.09.2018

Vrsta sudjelovanja
Predavanje

Vrsta recenzije
Nije recenziran

Ključne riječi
rocking ; numerical analysis ; experimental investigation

Sažetak
Rocking of prismatic rigid blocks is analysed and a numerical procedure based on precise contact detection is developed and tested. First, a parametric study of free rocking of blocks of different slenderness and size is conducted experimentally. Energy loss in relation to existing restitution models (Housner’s classical model [1] and the improved model by Kalliontzis et al. [2]) is investigated in detail. Based on the numerically and experimentally obtained results, the use of the improved model is strongly encouraged, and a procedure to estimate the unknown parameter in the improved formula is suggested. Secondly, stability full time response due to a single sine- or cosine-wave acceleration excitation is obtained numerically, where the improved restitution model [2] with the suggested estimated parameter is used. Finally, a chosen set of numerical cases is validated experimentally using a specifically designed set of experiments involving shaking tables and optical measurement equipment. REFERENCES [1] G. W. Housner, “The behavior of inverted pendulum structures during earthquakes, ” Bull. Seismol. Soc. Am., vol. 53, no. 2, pp. 403–417, 1963. [2] D. Kalliontzis, S. Sritharan, and A. Schultz, “Improved Coefficient of Restitution Estimation for Free Rocking Members, ” J. Struct. Eng., vol. 142, no. 12, 2016.

Izvorni jezik
Engleski

Znanstvena područja
Građevinarstvo, Temeljne tehničke znanosti

POVEZANOST RADA