Analysis of Bolted Connections Subject to Prying

by Henning Agerskov, Assoc. Prof. of Civ. Engrg.; Technical Univ. of Denmark, Lyngby, Denmark,

Serial Information: Journal of the Structural Division, 1977, Vol. 103, Issue 11, Pg. 2145-2163

Document Type: Journal Paper


High-strength bolted connections in steel structures in which the bolts are loaded in tension are studied. On the basis of the theory previously developed by the writer, the influence of the different variables affecting the magnitude of the prying forces in the connection has been examined. In the investigation a large number of connections have been analyzed on computer, and as a result of this analysis a diagram for direct use in the design has been established. The application of the design diagram in the analysis of connections is illustrated in examples covering the three basic cases of the theory. A comparison between the diagram resulting from the present investigation and those obtained on the basis of the formulas given in the current (7th ed.) AISC Manual of Steel Construction is included.

Subject Headings: Bolted connections | Steel structures | Steel construction | Ultimate strength | Computer analysis | High-strength steel | Cold-formed steel | Load factors

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