tektonik - aalborg university · 3/22/2006 1 22-03-2006 19:53 p.h. kirkegaard - department of civil...
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![Page 1: Tektonik - Aalborg University · 3/22/2006 1 22-03-2006 19:53 P.H. Kirkegaard - Department of Civil Engineering Slide 1/51 Tektonik Program lektion 8 8.15-9.00 Rammen og buen 9.00–9.15](https://reader031.vdocuments.net/reader031/viewer/2022030903/5b42e7867f8b9a80388b6cab/html5/thumbnails/1.jpg)
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Tektonik
Program lektion 88.15-9.00 Rammen og buen
9.00–9.15 Pause
9.15–10.00 Formgivning af ramme-og buekonstruktioner
KursusholderPoul Henning Kirkegaard, institut 5, Aalborg Universitet
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Strukturelle elementer.
Stang/GitterBjælkePlade/SkiveSøjleRammeBueKabelMembran
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Rammekonstruktioner/Buekonstruktioner
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Ramme konstruktion
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Rammens virkemåde
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Rammens virkemådeVæg Ramme Statisk system
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Rammens virkemåde
Stive rammehjørne medfører at deformationer i søjle overføres til bjælke.
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Momentstive samlinger - stål
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Momentstive samlinger - beton
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Momentstive samlinger - betonSkole i Otaniemi - Aalvar Aalto Kirke i Riola - Aalvar Aalto
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Momentstive samlinger – træ ?
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Momentstive samlinger – træ ?Great Coxwell Barn
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Momentstiv samlinger
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Statisk bestemthed - ubestemthed
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Statisk bestemthed - ubestemthed
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Kræfter i 3 charniere ramme
Anvender lodret ligevægt og symmetri
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Bestemmer kræfter i pkt. C og vandret kraft i A.Det ses at Cy = 0. Der tages moment om pkt. C om laves vandret ligevægt.
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Snitkræfter bestemmes .
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22-03-2006 19:53 P.H. Kirkegaard - Department of Civil Engineering Slide 21/51
Rammer med hhv. stiv og blød søjle
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Sainsbury Center - Norman Foster
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22-03-2006 19:53 P.H. Kirkegaard - Department of Civil Engineering Slide 23/51
L’Unité d’Habiation – Le Corbusier
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Lyon-Satolas TGV Station - Calatrava
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22-03-2006 19:53 P.H. Kirkegaard - Department of Civil Engineering Slide 25/51
Ramme konstruktion
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Buekonstruktioner
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Buekonstruktioner
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“Funicular….” kabel/kæde der hænger
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“Funicular….” kabel/kæde der hænger
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Vandrette reaktioner
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22-03-2006 19:53 P.H. Kirkegaard - Department of Civil Engineering Slide 31/51
Kings College Cambridge
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“Funicular….” kabel/kæde der hænger
Ved at arrangere en konstruktion med omvendt form at en hængende kabel, er det muligt at lave en konstruktion, somkun tager tryk kræfter.
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22-03-2006 19:53 P.H. Kirkegaard - Department of Civil Engineering Slide 33/51
Kræfter versus Materialevalg
Louis Kahn: National Assembly Building, Dhaka, Bangladesh, 1983.
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Ikke “funicular” last
Kabler ændret form efter last , hvilket en buekonstruktionikke gør.
Ikke “funicular” last kan medførerindre kræfter forskellig for trykkonstruktionen bliver ustabil
Buekonstruktioner laves med rene trykkræfter for egenlast. Variabel last optages som ikke rene trykkræfter.
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“Funicular….” kabel/kæde der hænger
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Gaudis kædestudier
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22-03-2006 19:53 P.H. Kirkegaard - Department of Civil Engineering Slide 37/51
Gaudis kædestudier 1:10 model
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The Royal Horticultural Halls,London
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22-03-2006 19:53 P.H. Kirkegaard - Department of Civil Engineering Slide 39/51
Hangar I & II - Pier Luigi Nervi
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Udstillingshal,Torino - Pier Luigi Nervi
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22-03-2006 19:53 P.H. Kirkegaard - Department of Civil Engineering Slide 41/51
Los Manantiales - Candela
22-03-2006 19:53 P.H. Kirkegaard - Department of Civil Engineering Slide 42/51
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22-03-2006 19:53 P.H. Kirkegaard - Department of Civil Engineering Slide 43/51
Hershey Hockey Arena - Tedesko
"The most impressive example in this country of the thin concrete shell roof has recently been completed in Hershey, Pa. Of barrel type, only 3-1/2-in. thick (except at the edges) and supported by two-hinged concrete arches, the roof covers an area 232-ft. wide by 340-ft. long within which 7,180 bleacher seats surround a standard 85x200-ft. ice skating floor. Known as the Hershey Sports Arena, the new building is the home of the Hershey Hockey Club. It is built entirely of concrete to a design developed to achieve both monumental appearance and permanence at a reasonable cost."
"The most impressive example in this country of the thin concrete shell roof has recently been completed in Hershey, Pa. Of barrel type, only 3-1/2-in. thick (except at the edges) and supported by two-hinged concrete arches, the roof covers an area 232-ft. wide by 340-ft. long within which 7,180 bleacher seats surround a standard 85x200-ft. ice skating floor. Known as the Hershey Sports Arena, the new building is the home of the Hershey Hockey Club. It is built entirely of concrete to a design developed to achieve both monumental appearance and permanence at a reasonable cost."
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Skalkonstruktion - Isler
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British Museum, London - Foster
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Skalkonstruktioner ?
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Water Pavilion - NOX
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BMW-Pavilion - B. Franken
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Guggenheim Bilbao- Gehry
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Thank Youfor
Your Attention