Fatigue assessment in finite element analysis: A post-processor to FEA output for hot spot stress calculation

For the fatigue assessment of welded structures, several design methods are described by the design codes of IIW, Eurocode3 and DNV. The relation between the stress range and cycles to failures were derived from experiments: the SN curves. With the increased accessibility of finite element software to engineers, a more flexible approach emerged:...

Assessment of Epoxy Resins for Injected Bolted Shear Connections

Abstract The purpose of this thesis is to assess potential alternative epoxy resins in injected bolted shear connections for a civil engineering application. Research has focused on the application of injection bolts with various resins in a double lap shear connection. In current practice only one resin is allowed to be used due to regulation...

Loss of preload in pretensioned bolts

Minor thesis --- Preload loss in pretensioned bolts is an inevitable phenomenon. This thesis focuses on the different causes for bolt relaxation and their relation to joint design. Investigating bolt relaxation is relevant because there is a direct relation between the bolt preload and the resistance of the connection. In order to assess the...