Protected steel and composite connections in fire, Simulation of the mechanical behaviour of steel and composite connections protected by intumescent coating in fire

Authors

  • Peter Schaumann
  • Thomas Kirsch

Abstract

Actual developments in numerical simulations of the structural behaviour in fire situation are focussed on taking into consideration the interaction of all structural members in a global approach. Therefore it is necessary to simulate the load bearing behaviour of connections.

With this motivation, the authors conducted experiments and thermal FE-simulations on two different connection types. In this paper, the accompanying mechanical FE-simulations of both investigated connection types will be described. The joints are defined as an end plate connection in a steel structure and a fin plate connection in a composite structure. Besides the validation of the numerical models, the results of the described investigations show that it is possible to activate a significant moment resistance within fin plate connections of composite structures. The main requirement for this activation is sufficient reinforcement strength.

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Published

2015-10-15

Issue

2013: Proceedings of International Conference in Prague 19-20 April 2013

Section

Articles

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