Kontaktledningsstolpen ur ett beständighetsperspektiv

Kontaktledningsstolpen ur ett beständighetsperspektivInnehållsförteckningFÖRORD................................................................................................................................... ISAMMANFATTNING ......................................................................................................... IIIABSTRACT ..........................................................................................................................VII1 INLEDNING ..................................................................................................................131.1 BAKGRUND..............................................................................................................131.2 SYFTE ......................................................................................................................131.3 FRÅGESTÄLLNING....................................................................................................141.4 AVGRÄNSNING ........................................................................................................141.5 METOD ....................................................................................................................142 PROBLEMSTÄLLNING..............................................................................................172.1 BANVERKET SÄMST I EUROPA PÅ UNDERHÅLL?.......................................................172.2 KONTAKTLEDNINGSSTOLPEN...................................................................................202.2.1 Kontaktledningsstolpars uppbyggnad.................................................................202.2.2 Kontaktledningsstolpars fundament ...................................................................242.2.3 Kontaktledningsstolpars miljö............................................................................302.2.4 Dimensionering av kontaktledningsstolpar ........................................................312.2.5 Kontroll av kontaktledningsstolpar ....................................................................332.2.6 Underhåll av kontaktledningsstolpar..................................................................373 KUNSKAPSLÄGET IDAG ..........................................................................................433.1 STÅL........................................................................................................................433.1.1 Ståls beständighet...............................................................................................443.1.2 Rostskydd............................................................................................................493.1.3 Svetsbarhet .........................................................................................................553.1.4 Mätmetoder.........................................................................................................553.2 BETONG...................................................................................................................573.2.1 Betongs beständighet..........................................................................................583.3 LIVSLÄNGDSDIMENSIONERING ................................................................................673.4 MÄTMETODER .........................................................................................................684 FÄLTUNDERSÖKNING..............................................................................................714.1 HISTORIK SALTSJÖBANAN .......................................................................................714.2 SAMMANFATTANDE BESKRIVNING FÄLTUNDERSÖKNING.........................................724.3 OBSERVATIONER .....................................................................................................734.3.1 Ringvägen, stolpnr.: 15+158,6...........................................................................734.3.2 Solsidan, stolpnr.: 15+651,00 ............................................................................754.3.3 Tattby..................................................................................................................774.3.4 Östervik ..............................................................................................................804.3.5 Saltsjö-Duvnäs – station, stolpnr.: 7+877,80.....................................................814.3.6 Saltsjö-Duvnäs – linje, stolpnr.: 7+439,90.........................................................83xi