Ny bru E6 Femtevasselv - Høgskolen i Narvik

Bachelor Bygg og Anlegg
Høgskolen i Narvik 2012
Innhold
Forord ..................................................................................................................................................... 1
Sammendrag .......................................................................................................................................... 4
1. Innledning........................................................................................................................................... 5
1.1 Oppbygging av rapporten .............................................................................................................. 5
1.2 Hensikt og bakgrunn ...................................................................................................................... 5
1.3 Oppgaven ...................................................................................................................................... 5
1.4 Begrensninger av oppgaven .......................................................................................................... 6
2. Brutype ............................................................................................................................................... 7
3. Laster på konstruksjonen ................................................................................................................. 8
3.1 Trafikklaster ................................................................................................................................... 8
3.1.1 Vertikallast ............................................................................................................................... 8
3.1.2 Horisontalkrefter ...................................................................................................................... 9
3.1.3 Ulykkes laster .......................................................................................................................... 9
3.2 Egenlaster .................................................................................................................................... 10
3.3 Momenter ..................................................................................................................................... 10
4.0 Dimensjonering ............................................................................................................................. 11
4.1 Grunnlag ...................................................................................................................................... 11
4.1.1 Generelt ................................................................................................................................. 11
4.1.2 Overdekning .......................................................................................................................... 11
4.2 Dekke ........................................................................................................................................... 12
4.2.1 Fuktisolering .......................................................................................................................... 12
4.2.2 Slitelag ................................................................................................................................... 12
4.3 Tverretning ................................................................................................................................... 13
4.3.1 Forutsetninger ....................................................................................................................... 13
4.3.2 Armering ................................................................................................................................ 13
4.3.3 Rissvidder .............................................................................................................................. 14
4.3.4 Nedbøyning ........................................................................................................................... 14
4.4 Lengderetning .............................................................................................................................. 14
4.4.1 Forutsetninger ....................................................................................................................... 14
4.4.2 Kontroll bjelke-dekke ............................................................................................................. 15
Sluttrapport Ny bru E6 Femtevasselv Side 2