This article briefly presents the applicability of base isolation made of elastomeric isolators for the protection of heritage architecture. The first part of the article gives an illustrative ...overview on the use of base isolation throughout the world, together with an analysis of guidelines for the protection and management of places of heritage architecture. The guidelines which are given through international agreements and resolutions on the conservation of monuments have to be considered when designing the base isolation of existing monuments. Generally, interventions into such structures should be minimal or visible as little as possible and should minimally affect the aesthetics and functionality of the object. In the second part of the article the general and some special requirements for base isolation design with elastomeric isolators are presented. The influence of the slenderness of the structure is analysed in more detail. The analysis is based on the corresponding rocking prevention criterion, upon the condition that the isolators cannot bear any tensile forces. The article concludes with a presentation of the maximum height-to-width ratios for objects that can be mounted on isolators, fulfilling the given rocking prevention criterion for different soil conditions. The maximum aspect ratios have also been determined by considering 5 appropriately scaled ground motions from the 1998 Posočje earthquake.
V članku so na kratko prikazane možnosti za uporabo potresne izolacije iz elastomernih ležišč pri varstvu objektov arhitekturne dediščine. V prvem delu članka so za ponazoritev prikazani nekateri ...primeri uporabe izolacije v svetu ter analiza smernic za ohranjanje in upravljanje kulturne dediščine, ki jih podajajo nekatere listine in mednarodne resolucije o varovanju spomenikov ter jih je treba upoštevati pri projektiranju potresne izolacije kulturnega spomenika. V splošnem morajo posegi v objekte kulturne dediščine, s katerimi lahko povečamo potresno varnost, v čim manjši meri vplivati na lep videz in funkcionalnost objekta. V drugem delu članka so podane splošne zahteve za projektiranje elastomernih ležišč in nekoliko podrobnejša analiza posebnih zahtev, ki vplivajo na projektiranje izolacijskega sistema. Podrobneje je prikazana analiza vpliva vitkosti objekta na izbiro izolacije, ki preprečuje nastop nateznih napetosti v ležiščih oziroma prevrnitev izoliranega objekta. Konec članka prinaša prikaz izračunanih maksimalnih razmerij višine proti širini objekta, ki ga je ob upoštevanju nevarnosti prevrnitve še mogoče postaviti na izolatorje na tleh, ki so različne kvalitete. Maksimalna razmerja med višino in širino objekta so izračunana tudi za 5 skaliranih potresnih zapisov za potres leta 1998 v Posočju.
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Provider: - Institution: - Data provided by Europeana Collections- All metadata published by Europeana are available free of restriction under the Creative Commons CC0 1.0 Universal Public Domain ...Dedication. However, Europeana requests that you actively acknowledge and give attribution to all metadata sources including Europeana
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