The term “prying” is used to indicate that the force in the bolt is greater than the applied force. ... The design parameters are the joint dimensions, material properties, the bolt pre-load, and the applied force. The flexural deformation of the joint induces prying forces that results in an increase in the bolt force.

How does prying force come into existence?

The prying forces in bolts under traction result from any eccentricity between one of the loaded members and a bolt connecting it to another member; as the joined members try to separate, the members' area away from the loaded section react against each other producing a prying force (as in a crowbar) which must be ...

What is strength of bolt?

The yield strength of a bolt can be defined as the tensile force that will produce a certain amount of permanent deformation within a specific fastener. ... Proof load is the limit of the elastic range of the bolt. Designing for the use of bolts according to proof load can help prevent plastic deformation.