000018449 001__ 18449
000018449 005__ 20170118182222.0
000018449 04107 $$aeng
000018449 046__ $$k2017-01-09
000018449 100__ $$aHuang, Bo-Wen
000018449 24500 $$aHysteretic Behavior of High-Damping Rubber Bearings Under Non-Proportional Plane Loading

000018449 24630 $$n16.$$pProceedings of the 16th World Conference on Earthquake Engineering
000018449 260__ $$b
000018449 506__ $$arestricted
000018449 520__ $$2eng$$aHigh-damping rubber (HDR) bearings have gradually become a commonly used type of seismic isolators worldwide. Because of the complex material compound, their actual hysteretic behavior is highly nonlinear and may not be very well represented by the existing bilinear approximation. In this study, first, a modified mathematical model is proposed for comprehensively characterizing the unilateral hysteretic behavior of HDR bearings under sinusoidal and triangular reversal loading. In addition to unilateral reversal loading tests, HDR bearings are tested with different non-proportional plane loading patterns, including circular and figure-eight orbits. It is found that under bilateral loading, the torsional coupling effect is significant on the mechanical properties and hysteretic behavior of HDR bearings. Therefore, integrating the threedimensional constitute law and the plane vector concept with the modified unilateral model, a further extended mathematical model for HDR bearings under non-proportional plane loading is developed. The accuracy and applicability of the modified and further extended mathematical models are verified through comparison with the test results.

000018449 540__ $$aText je chráněný podle autorského zákona č. 121/2000 Sb.
000018449 653__ $$ahigh-damping rubber bearing; multiaxial hysteretic behavior; non-proportional plane loading; mathematical model; torsional coupling effect

000018449 7112_ $$a16th World Conference on Earthquake Engineering$$cSantiago (CL)$$d2017-01-09 / 2017-01-13$$gWCEE16
000018449 720__ $$aHuang, Bo-Wen$$iHwang, Jenn-Shin$$iWang, Shiang-Jung$$iLin, Wang-Chuen
000018449 8560_ $$ffischerc@itam.cas.cz
000018449 8564_ $$s566890$$uhttps://invenio.itam.cas.cz/record/18449/files/1480.pdf$$yOriginal version of the author's contribution as presented on USB, paper 1480.
000018449 962__ $$r16048
000018449 980__ $$aPAPER