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A bridge on the Lancaster Canal, featuring coping stones linked by large metal "staples". Coping (from cope, Latin capa) is the capping or covering of a wall. [1] A splayed or wedge coping is one that slopes in a single direction; a saddle coping slopes to either side of a central high point. [2]
In some areas, such as South Wales, there is a tradition of placing the coping stones on a final layer of flat stones slightly wider than the top of the wall proper (coverbands). In addition to gates, a wall may contain smaller purposely built gaps for the passage or control of wildlife and livestock such as sheep.
Exterior stone for the walls, wing wall abutments, portals, deck arches, coping, parapets and the foundation stone are riebeckite granite [7] mined from Moyles quarry (a.k.a. Canton Viaduct Quarry) located on the westerly slope of Rattlesnake Hill in Sharon, Massachusetts; now part of Borderland State Park.
Coping The capping or covering of a wall. Corbel A structural piece of stone, wood or metal jutting from a wall to carry a superincumbent weight. A corbie gable from Zaltbommel Corbiesteps A series of steps along the slopes of a gable. [17] Also called crow-steps. A gable featuring corbiesteps is known as a corbie gable, crow-step gable, or ...
Springing course: Stone masonry on which the first stones of an arch rest. [1] Starting course: The first course of a unit, usually referring to shingles. [1] Case course: Units form the foundation or footing course. It is the lowest course in a masonry wall used for multiple functions, mostly structural. [1]
A parapet fortification (known as a breastwork when temporary) is a wall of stone, wood or earth on the outer edge of a defensive wall or trench, which shelters the defenders. [7] [8] In medieval castles, they were often crenellated. In later artillery forts, parapets tend to be higher and thicker.