000019834 001__ 19834
000019834 005__ 20170118182338.0
000019834 04107 $$aeng
000019834 046__ $$k2017-01-09
000019834 100__ $$aSritharan, Sri
000019834 24500 $$aImproving Accuracy of the Simple Rocking Model of Rigid Blocks

000019834 24630 $$n16.$$pProceedings of the 16th World Conference on Earthquake Engineering
000019834 260__ $$b
000019834 506__ $$arestricted
000019834 520__ $$2eng$$aIn the Chilean earthquake in 1960, survival of several slender tall structures was attributed to their ability to respond in a rocking mode when experiencing the ground motion. Three years later, Housner developed a simple rocking model (SRM) to analytically explain the stability induced by rocking. The SRM was based on a planar rigid block pivoting on a rigid base about its bottom corners with the only source of damping being the impact energy loss. Since then, researchers have compared the SRM with experimental results of several geometrically different free-standing blocks. Their findings indicated that the SRM consistently overestimates the impact energy loss. Recognizing that the actual pivot point of a planar rocking block resides within its contact length with the base, this issue is addressed in this paper by accordingly modifying the SRM formulas. Comparisons with experimental data show that the proposed method significantly improves correlation to the measured coefficient of restitution (i.e., damping due to impact) compared to Housner’s model.

000019834 540__ $$aText je chráněný podle autorského zákona č. 121/2000 Sb.
000019834 653__ $$aRocking; Impact damping; Structures; Earthquake; Coefficient of Restitution

000019834 7112_ $$a16th World Conference on Earthquake Engineering$$cSantiago (CL)$$d2017-01-09 / 2017-01-13$$gWCEE16
000019834 720__ $$aSritharan, Sri$$iSchultz, Arturo$$iKalliontzis, Dimitrios
000019834 8560_ $$ffischerc@itam.cas.cz
000019834 8564_ $$s1079679$$uhttps://invenio.itam.cas.cz/record/19834/files/451.pdf$$yOriginal version of the author's contribution as presented on USB, paper 451.
000019834 962__ $$r16048
000019834 980__ $$aPAPER