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Abstract:	Für die Schwingungs- und Körperschallentkopplung von insgesamt zwei Stützen, zwei Umlenktürmen und einer Antriebsstation einer ringförmigen Seilbahn auf einem neu errichteten Gebäude in Asien wurde ein Konzept zur elastischen Lagerung mittels bewehrter Gummielemente entwickelt. Ziel war es, sowohl die Schwingungsimmissionen als auch den abgestrahlten Luftschall aus Körperschallübertragung zu begrenzen. Die Auslegung erfolgte mithilfe dreidimensionaler Finite-Elemente-Modelle. Die Schwierigkeit bestand vor allem darin, die Anregungskräfte wirklichkeitsnah zu erfassen sowie die Eingangsimpedanz des Gebäudes realistisch abzuschätzen. In einer aufwändigen Abnahmemessung vor Ort konnten während der Inbetriebnahme der Seilbahn die Wirksamkeit der Konstruktionen und die Einhaltung der vertraglich vereinbarten Werte nachgewiesen werden. Elastic bearing of ropeway towers on top of a hotel building A concept of an elastic bearing system by reinforced rubber elements was developed for the insulation of vibrations and structure-borne noise of two girders, two deflection towers and a motor station of a circular ropeway on top of a newly constructed building. The target was to reduce the vibration immissions as well as the noise which is radiated from transmitted structure-borne noise. The main difficulties occurred in defining realistic dynamic forces and applicable impedances of the building structure. The design was carried out by the aid of three-dimensional finite-element models. The results of measurements while the ropeway was set into operation showed that the constructions work properly and the contractual target criteria were met.
Source:	Bautechnik 95 (2018), No. 11
Page/s:	811-816
Language of Publication:	German

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