tie beam

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tie beam

n.
A horizontal beam forming the base of a triangular truss for a pitched roof, connecting the two side walls and supporting a pair of principals.

tie beam

n
(Building) a horizontal beam that serves to prevent two other structural members from separating, esp one that connects two corresponding rafters in a roof or roof truss

tie′ beam`


n.
a horizontal timber or the like for connecting two structural members to keep them from spreading apart.
[1815–25]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.tie beam - a horizontal beam used to prevent two other structural members from spreading apart or separatingtie beam - a horizontal beam used to prevent two other structural members from spreading apart or separating; "he nailed the rafters together with a tie beam"
beam - long thick piece of wood or metal or concrete, etc., used in construction