Observations of the vertical deformation of clay subgrades beneath joints and welds (Westbury) (IM-TD-004)

On 60' jointed track it was a common practice to weld alternate rail ends. In 1971 a site on the Westbury avoiding line was selected to monitor the vertical clay settlement beneath, 1. Rail joints 2. Alternate welded rail ends 3. The mid-point of each rail length...