Civil MDC

Eccentric Shear Connection Analysis Of Bolt Group Spreadsheet 2

Eccentric Shear Connection Analysis Of Bolt Group Spreadsheet

BoltGroup computes the shear capacity of an eccentrically loaded bolted connection using the LRFD instantaneous center of rotation method. Great tool for design of gusset plates and plate girder bolted splices. The analysis results have been verified with AISC tables. The spreadsheet provides a design summary, detailed results, and fundamental theory and formulas.

Shear Connection Analysis Of Bolt Group

The bolt cross-sectional area is critical to the prior calculation.  The area of bolt available for use by a shear plane will depend on whether or not the shear plane is in a region of the bolt that is threaded.  If the shear plane is in a region that is threaded then there is less area available to resist the applied shear force. 

The AISC specification requires you to determine whether or not threads are included in the shear plane or not when computing the capacity of a bearing type connection.  This is not an issue in slip-critical connections since the force is transferred by friction between the connected members and not by actual shear in the bolt.  We will look at this some more when we start computing actual bolt capacities.



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