Grusvägars uppbyggnad, nedbrytning och underhåll: en ...
Grusvägars uppbyggnad, nedbrytning och underhåll: en ...
Grusvägars uppbyggnad, nedbrytning och underhåll: en ...
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Innehållsförteckning<br />
Innehållsförteckning<br />
SAMMANFATTNING................................................................................... I<br />
ABSTRACT..................................................................................................III<br />
INNEHÅLLSFÖRTECKNING.....................................................................V<br />
1. INLEDNING ..............................................................................................1<br />
1.1. Bakgrund...................................................................................................1<br />
1.2. Syfte..........................................................................................................2<br />
1.3. Avgränsningar............................................................................................2<br />
2. GRUSVÄGSUPPBYGGNAD ....................................................................3<br />
2.1. Sverige ......................................................................................................4<br />
2.2. Finland ......................................................................................................6<br />
2.3. Skottland ...................................................................................................7<br />
2.4. USA..........................................................................................................8<br />
2.5. Kanada ......................................................................................................9<br />
2.6. Norge...................................................................................................... 11<br />
2.7. Jämförelser mellan grusvägs<strong>uppbyggnad</strong> i olika länder............................... 13<br />
3. UNDERHÅLLSMETODER ....................................................................15<br />
3.1. Hyvling ................................................................................................... 15<br />
3.2. Dammbindning ....................................................................................... 16<br />
3.3. Dränering ................................................................................................ 16<br />
3.4. Röjning................................................................................................... 16<br />
3.5. Grusvägs<strong>underhåll</strong> internationellt ............................................................. 17<br />
4. NEDBRYTNING OCH SKADOR PÅ GRUSVÄGAR..........................19<br />
4.1. Nedbrytning............................................................................................ 19<br />
4.1.1. Nederbörd <strong>och</strong> dränering............................................................ 19<br />
4.1.2. Temperatur i vägkropp<strong>en</strong>............................................................ 20<br />
4.1.3. Trafikbelastning .......................................................................... 20<br />
4.1.4. Vinterväghållning........................................................................ 20<br />
4.2. Skador ..................................................................................................... 21<br />
4.2.1. Väggeometri ............................................................................... 21<br />
4.2.2. Löst grus ..................................................................................... 22<br />
4.2.3. Dränering ................................................................................... 22<br />
4.2.4. Korrugering ................................................................................ 22<br />
V