A three-parameter power model for blind bolted connection with a concrete-filled steel tube

Abstract

A three-parameter power model is developed for quantifying the moment-rotation characteristics of a blind bolted flush end plate joint system that connects a composite beam to a Concrete-Filled Steel Tube (CFST) column in a steel framed building structure. A detailed 3-D non-linear continuum-based finite element model of the connection region including the composite beam, flush end plate, blind bolts and the CFST is developed, which can capture the pertinent physical, geometrical and contact non-linearities. The model is validated against test results, and is used to provide valuable empirical modelling in the computer design of framed structures within a paradigm of “advanced analysis”. © 2018 Taylor & Francis Group, London.