초록

A roadway protection against snow or the like comprises a vault structure having a skeleton formed by dismountable arches provided with a ventilated covering.

대표청구항 ▼

A vault structure for the protection of a roadway against snow, comprising: a pair of support surfaces flanking a roadway to be protected from snow accumulation; a multiplicity of spaced-apart generally stirrup-shaped arches extending over said roadway and having free ends supported on opposite ones

A vault structure for the protection of a roadway against snow, comprising: a pair of support surfaces flanking a roadway to be protected from snow accumulation; a multiplicity of spaced-apart generally stirrup-shaped arches extending over said roadway and having free ends supported on opposite ones of said surfaces, said arches forming a vault skeleton; a ventilation layer on said skeleton at least partially covering same and open to passage of air while preventing snowflakes from depositing through said structure on said roadway; and means for detachably fixing said free ends of said arches on said support surfaces, ends on said support surface including a footing block of concrete provided with an upwardly open seat receiving the respective arch end, and a body of cementatious material filling the seat and bonding each said end to the respective block.