Term of the Road Dictionary


  • Language : PIARC Road Dictionary / English
  • Theme : Structures Other Structures and General Items
  • Definition : Arched structure covering a space, usually in masonry or concrete and carrying superimposed loads dominantly in compression by virtue of its shape. Note: in English an arch is relatively narrow in plan. A vault is a broad arch as in an arch bridge, or the roof of a structure in which the arch action of the curved ceiling between columns and walls carries the loads.

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