abutment(redirected from screw abutment)
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Architect Civil engineering a construction that takes the thrust of an arch or vault or supports the end of a bridge
A surface or mass provided to withstand thrust; for example, end supports of an arch or a bridge.
In a coal mine, the place where the natural ground material makes contact with the ends of an embankment.
A masonry mass (or the like) which receives the thrust of an arch, vault, or strut.