At the beginning of August 2018, seven Crossrail core stations were due to be handed over to TfL. Instead, all remain in some state of construction. For Crossrail, this is a problem. For the Elizabeth line it is an even bigger one.
TRB Lightweight Structures has developed a biocomposite resin based carbon fibre reinforced sandwich panel door leaf with a 100% recycled foam core which is fire rated for both surface and underground rail use. This is lighter than an aluminium equivalent, can be operated using a less heavy duty mechanism and offers the potential for faster opening. It has a 40 year life expectancy. The resin is derived from a renewable alcohol produced from a natural waste by-product from refined sugar ...
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