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Innehållsförteckning<br />

Sammanfattning ................................................................................................. 5<br />

Summary ............................................................................................................ 7<br />

1 Bakgrund ................................................................................................. 9<br />

2 Syfte....................................................................................................... 13<br />

3 Etappindelning ....................................................................................... 14<br />

4 Försöksuppläggning .............................................................................. 15<br />

4.1 Test i tvärled .......................................................................................... 17<br />

4.2 Test i längdled ....................................................................................... 19<br />

4.3 Spridningsbredder, saltgivor och hastigheter ......................................... 21<br />

4.4 Inbjudan till tillverkare ............................................................................ 22<br />

5 Genomförande ....................................................................................... 23<br />

6 Resultat .................................................................................................. 27<br />

6.1 Test i tvärled .......................................................................................... 27<br />

6.2 Test i längdled ....................................................................................... 34<br />

6.3 Sammanställning av resultat .................................................................. 49<br />

7 Sammanfattande resultat och slutsatser ................................................ 58<br />

8 Diskussion ............................................................................................. 60<br />

9 Förslag till <strong>for</strong>tsatta tester ....................................................................... 61<br />

Referenser........................................................................................................ 62<br />

VTI rapport 791

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