Bygningskonstruktion og arkitektur Program lektion 11 12.30-13.15 Samlinger i betonkonstruktioner.samlinger i stålkonstruktioner 13.15 13.30 Pause 13.30 14.15 Samlinger i trækonstruktioner Beregning af samlinger 14.15 14.45 Pause 14.45 16.00 Opgaveregning Kursusholder Poul Henning Kirkegaard, institut 5, Aalborg Universitet 23-03-2006 21:03 P.H. Kirkegaard - Department of Civil Engineering Slide 1/51 Samlinger i betonkonstruktioner 23-03-2006 21:03 P.H. Kirkegaard - Department of Civil Engineering Slide 2/51 1
Samlinger i betonkonstruktioner 23-03-2006 21:03 P.H. Kirkegaard - Department of Civil Engineering Slide 3/51 Samlinger i betonkonstruktioner 23-03-2006 21:03 P.H. Kirkegaard - Department of Civil Engineering Slide 4/51 2
23-03-2006 21:03 P.H. Kirkegaard - Department of Civil Engineering Slide 5/51 http://www.betonportal.dk 23-03-2006 21:03 P.H. Kirkegaard - Department of Civil Engineering Slide 6/51 3
Søjlefundament 23-03-2006 21:03 P.H. Kirkegaard - Department of Civil Engineering Slide 7/51 Samlinger i stålkonstruktioner Svejsesamling Nitte/boltesamling Limet samling 23-03-2006 21:03 P.H. Kirkegaard - Department of Civil Engineering Slide 8/51 4
23-03-2006 21:03 P.H. Kirkegaard - Department of Civil Engineering Slide 9/51 Bolte- nittesamlinger 23-03-2006 21:03 P.H. Kirkegaard - Department of Civil Engineering Slide 10/51 5
Forskydning- om momentsamling 23-03-2006 21:03 P.H. Kirkegaard - Department of Civil Engineering Slide 11/51 23-03-2006 21:03 P.H. Kirkegaard - Department of Civil Engineering Slide 12/51 6
23-03-2006 21:03 P.H. Kirkegaard - Department of Civil Engineering Slide 13/51 Træsamling - tømmersamling 23-03-2006 21:03 P.H. Kirkegaard - Department of Civil Engineering Slide 14/51 7
23-03-2006 21:03 P.H. Kirkegaard - Department of Civil Engineering Slide 15/51 Træsamling sømplade 23-03-2006 21:03 P.H. Kirkegaard - Department of Civil Engineering Slide 16/51 8
Samlinger med beslag og kamsøm 23-03-2006 21:03 P.H. Kirkegaard - Department of Civil Engineering Slide 17/51 23-03-2006 21:03 P.H. Kirkegaard - Department of Civil Engineering Slide 18/51 9
23-03-2006 21:03 P.H. Kirkegaard - Department of Civil Engineering Slide 19/51 23-03-2006 21:03 P.H. Kirkegaard - Department of Civil Engineering Slide 20/51 10
23-03-2006 21:03 P.H. Kirkegaard - Department of Civil Engineering Slide 21/51 23-03-2006 21:03 P.H. Kirkegaard - Department of Civil Engineering Slide 22/51 11
Samlinger med bolte 23-03-2006 21:03 P.H. Kirkegaard - Department of Civil Engineering Slide 23/51 Belastningstyper i træsamlinger 23-03-2006 21:03 P.H. Kirkegaard - Department of Civil Engineering Slide 24/51 12
Centralt belastet samling 23-03-2006 21:03 P.H. Kirkegaard - Department of Civil Engineering Slide 25/51 Ekscentrisk belastet samling 23-03-2006 21:03 P.H. Kirkegaard - Department of Civil Engineering Slide 26/51 13
Flækning 23-03-2006 21:03 P.H. Kirkegaard - Department of Civil Engineering Slide 27/51 Søms bæreevne 23-03-2006 21:03 P.H. Kirkegaard - Department of Civil Engineering Slide 28/51 14
Søms brudformer 23-03-2006 21:03 P.H. Kirkegaard - Department of Civil Engineering Slide 29/51 Søms bæreevne For at kunne udnytte den fulde bæreevne af søm, stilles der krav til: trætykkelse forankringslængde sømafstande 23-03-2006 21:03 P.H. Kirkegaard - Department of Civil Engineering Slide 30/51 15
23-03-2006 21:03 P.H. Kirkegaard - Department of Civil Engineering Slide 31/51 23-03-2006 21:03 P.H. Kirkegaard - Department of Civil Engineering Slide 32/51 16
23-03-2006 21:03 P.H. Kirkegaard - Department of Civil Engineering Slide 33/51 Samlinger med træ/stålbeslag Som for træ/træ med 25 % øget bæreevne Sømafstande kan reduceres med 30 % Se DS413/STÅBI/SBI-140 SØMPLADESAMLINGER se DS413/STÅBI/SBI-140 23-03-2006 21:03 P.H. Kirkegaard - Department of Civil Engineering Slide 34/51 17
Brudformer i stålsamlinger Hulrandbæreevne Overkipningsbæreevne Trækstyrke af stålplade 23-03-2006 21:03 P.H. Kirkegaard - Department of Civil Engineering Slide 35/51 Hulrandbæreevne 23-03-2006 21:03 P.H. Kirkegaard - Department of Civil Engineering Slide 36/51 18
Overklipningsbæreevne F v,r = 0,6 A f ub,d (brud i skaft) F v,r = c 3 A s f ub,d (brud I gevind) c 3 = 0.425, 0.51, 0.6 (gevind og kvalitet) Et snit To snits V V/2 V/2 23-03-2006 21:03 P.H. Kirkegaard - Department of Civil Engineering Slide 37/51 23-03-2006 21:03 P.H. Kirkegaard - Department of Civil Engineering Slide 38/51 19
Brudstyrke af bolt 23-03-2006 21:03 P.H. Kirkegaard - Department of Civil Engineering Slide 39/51 Afstande for bolte 23-03-2006 21:03 P.H. Kirkegaard - Department of Civil Engineering Slide 40/51 20
23-03-2006 21:03 P.H. Kirkegaard - Department of Civil Engineering Slide 41/51 23-03-2006 21:03 P.H. Kirkegaard - Department of Civil Engineering Slide 42/51 21
23-03-2006 21:03 P.H. Kirkegaard - Department of Civil Engineering Slide 43/51 23-03-2006 21:03 P.H. Kirkegaard - Department of Civil Engineering Slide 44/51 22
Thank You for Your Attention 23-03-2006 21:03 P.H. Kirkegaard - Department of Civil Engineering Slide 45/51 23-03-2006 21:03 P.H. Kirkegaard - Department of Civil Engineering Slide 46/51 23
Opgave 1 Eksempel 14 fra note note om stålkonstruktioner (udleveret i lektion 1). 23-03-2006 21:03 P.H. Kirkegaard - Department of Civil Engineering Slide 47/51 24