weapons support rail, with prefabricated reinforced concrete, prefabricated reinforced concrete platform in the execution

摘要

this found which weapons support rail, which comprises prefabricated platforms in reinforced concrete, formed each by a block with.on the upper face, a plurality of housings parallel, regularly spaced between them and intended to receive, with game, each, a tile support rails.the depth of the housing is less than the height of the sleepers, which are inserted in the housings, with interposition of material allettamento.