The location of the fulcrum is yet another effective quantity that may be estimated from the
joint geometry and used to calculate a bolt force that may be compared to test data or FE results.
The fulcrum can be thought of as the line of action of the contact force between the flanges. In
the late stages of joint failure, when the contact patch is receding from around the bolts, the
fulcrum is clearly moving. However, we investigate here whether a fixed prying factor, can provide
a useful estimate of bolt load over some range of external loading. Again, we assume perfect initial
geometry, such that flange waviness or other imperfections have no influence.
The location of the fulcrum is yet another effective quantity that may be estimated from thejoint geometry and used to calculate a bolt force that may be compared to test data or FE results.The fulcrum can be thought of as the line of action of the contact force between the flanges. Inthe late stages of joint failure, when the contact patch is receding from around the bolts, thefulcrum is clearly moving. However, we investigate here whether a fixed prying factor, can providea useful estimate of bolt load over some range of external loading. Again, we assume perfect initialgeometry, such that flange waviness or other imperfections have no influence.
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