Seismic Isolation System of the Djamaâ El Djazïr Mosque in Algiers
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Bibliografische Angaben
Autor(en): |
Luca Paroil
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Medium: | Tagungsbeitrag | ||||
Sprache(n): | Englisch | ||||
Tagung: | IABSE Symposium: Engineering for Progress, Nature and People, Madrid, Spain, 3-5 September 2014 | ||||
Veröffentlicht in: | IABSE Symposium Madrid 2014 | ||||
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Seite(n): | 2555-2562 | ||||
Anzahl der Seiten (im PDF): | 8 | ||||
Jahr: | 2014 | ||||
DOI: | 10.2749/222137814814069309 | ||||
Abstrakt: |
The construction of the third biggest mosque in the world - Djamaâ El Djazaïr - began in Algiers in early 2013. Due to the high specified PGA of 6.5m/s² the building, extending over an area of 145 x 145m and up to 65m height, has been isolated with 246 curved surface sliders and 80 hydraulic dampers to provide an overall 8% damping and limit the maximum seismic displacement to 500mm. The dampers display a soft response with a damping exponent of 0.4 for velocities up to 1000mm/s, whereas an integrated force limiter working between 1000 and 1200mm/s was installed in order not to overload the whole system for the maximum credible earthquake. European Community CE marking and testing according to EN15129 [4] was performed at the University of California in San Diego and at the Eucentre in Pavia. A theoretical service life span of 500 years was proven by wear and fatigue testing. |