straining beam


Also found in: Dictionary, Wikipedia.

straining beam

[′strān·iŋ ‚bēm]
(civil engineering)
A short piece of timber in a truss that holds the ends of struts or rafters. Also known as straining piece.

straining beam, straining piece, strutting piece

In a truss, a horizontal strut above the tie beam or above a line joining the feet of the rafters, commonly between the joists at midspan; esp. in a queen post truss, the strut between the upper ends of the two queen posts.