Cross-Bracing Design

by John T. DeWolf, (M.ASCE), Asst. Prof. of Civ. Engrg.; The Univ. of Connecticut, Storrs, Conn.,
Joseph F. Pelliccione, (A.M.ASCE), Struct. Engr.; McDonald & van der Poll, Stamford, Conn.,

Serial Information: Journal of the Structural Division, 1979, Vol. 105, Issue 7, Pg. 1379-1391

Document Type: Journal Paper


The stability of cross bracing in which two diagonal members are used to resist a shear type load are studied, one member being in tension and one in compression. The results of a series of tests demonstrate that the present design method that neglects the effect of the compression member is conservative. An analytical approach is presented for predicting the maximum cross-bracing load. The tension member acts to brace the compression member with the result that the latter carries a significant portion of the total load. The maximum load may be assumed as that resisted by the two members when the compression member reaches its critical load.

Subject Headings: Critical loads | Maximum loads | Ultimate strength | Compression members | Bracing | Tension members | Shear resistance | Compression tests

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