| 主权项 |
1. A heat resistant floor assembly for a rail vehicle, the heat resistant floor assembly comprising:
a floor structure; and a fire protection panel made of a composite material connected underneath the floor structure; wherein the composite material comprises:
an intumescent resin;a chopped fiber reinforcement layer; anda woven basalt fiber layer, and wherein the chopped fiber reinforcement layer and woven basalt fiber layer are embedded within the intumescent resin, wherein the fire protection panel is arranged so that the chopped fiber reinforcement layer is intermediate the floor structure and the woven basalt fiber layer, the woven basalt fiber layer being located at a lower portion of the first protection panel and at an exterior portion of the fire protection panel so as to support said chopped fiber reinforcement layer during a fire, wherein the fire protection panel is attached to the floor structure through a plurality of attachment assemblies, each one of the plurality of attachment assemblies comprising a threaded stud hanging from the floor structure, the threaded stud being routed through a corresponding opening in the fire protection panel; and wherein the fire protection panel comprises a plurality of sub-panels, each one of the plurality of sub-panels overlapping at least two other of the plurality of sub-panels, thereby defining an overlapping region, wherein the corresponding opening in the fire protection panel, through which the threaded stud is routed, extends through the overlapping region. |
