Sökning: "rail pads"

Hittade 2 uppsatser innehållade orden rail pads.

1. 1. Förutsättningar för ökad metervikt och axellast på Malmbanan

   Master-uppsats, KTH/Transportplanering, ekonomi och teknik

   Författare :Anton Dahlberg; Ludvig Jangenstål; [2016]
   Nyckelord :;

   Sammanfattning : LKAB intends to increase the production of iron ore in the upcoming years. To prevent problems with the capacity along Malmbanan (The Iron Ore Line) an increase in the maximum permissible axle load is required. The first step is an increase from 30 ton to 32.5 ton. LÄS MER

3. 2. The Influence of Under Sleeper Pads on Railway Track Dynamics

   Magister-uppsats, Institutionen för ekonomisk och industriell utveckling

   Författare :Stephen Witt; [2008]
   Nyckelord :railway rack; track stiffness; under sleeper pad; finite element model; hanging sleeper;

   Sammanfattning : In this work the influence of Under Sleeper Pads on the dynamic forces on a railway track is investigated. A special interest is devoted to the effect of using Under Sleeper Pads in a railway track with changing vertical stiffness. The contact force between wheel and rail and the ballast contact forces are examined. LÄS MER