Abstract: A container assembly for a container trailer includes a generally cylindrical elongate container with a bulkhead mounted internally within the container. The bulkhead comprises a non-flanged curved plate having a curve of constant radius, and it includes a horizontally-oriented stiffening rib. The trailer also includes a structural frame which supports all or a portion of the container, a plurality of axles and a suspension system.

Abstract: A multi-modal system for transport of particulate material includes a plurality of ship based hoppers mounted within the hold of a ship. Each such hopper includes a container for particulate material, a container inlet by which particulate material can be loaded into the container by entrainment, and a container outlet through which particulate material can be unloaded from the container by entrainment. The system also includes a product loading internal manifold located within the hold of the ship and connected to a container inlet for a plurality of ship based hoppers, and a product unloading internal manifold located within the hold of the ship and connected to a container outlet for a plurality of ship based hoppers.