A piece from a Bunker

[Ironcrown]

I found this big piece of metal near a bunker in the Gothic line. The Bunker is rather big and contained an antitank gun, probably.

I woukld like to know if this metal part may have a connection to the Bunker or its just a piece of trash discarded after the war.

I placed a glove in the second picture to give an idea of the size