Railway stone ballast and related systems and methods

摘要

Railway stone ballast and related systems and methods are provided. A representative railway stone ballast includes a crushed stone matrix; rubber aggregate; and an adhesive binder adhering the rubber aggregate to the stone matrix.

主权项

1. A method for supporting railway track comprising:
providing stone ballast particles; wetting the stone ballast particles with epoxy adhesive binder; providing rubber aggregate; separately wetting the rubber aggregate with epoxy adhesive binder; mixing the stone ballast particles wetted with the epoxy and the rubber aggregate wetted with the epoxy such that the stone ballast particles are coated with the rubber aggregate and a resilient barrier layer of the rubber aggregate is positioned between the stone ballast particles to form modified ballast; and using the modified ballast to support a trackform.