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Steel and Composite Structures
  Volume 2, Number 5, October 2002 , pages 355-378

Modelling of headed stud in steel-precast composite beams
Ehab El-Lobody and Dennis Lam

     Use of composite steel construction with precast hollow core slabs is now popular in the UK,rnbut the present knowledge in shear capacity of the headed shear studs for this type of composite construction is very limited. Currently, all the information is based on the results obtained from experimental push-off tests. A finite element model to simulate the behaviour of headed stud shear connection in composite beam with precast hollow core slabs is described. The model is based on finite element method and takes into account the linear and non-linear behaviour of all the materials. The model has been validated against the test results, for which the accuracy of the model used is demonstrated. Parametric studies showing the effect of the change in transverse gap size, transverse reinforcement diameter and in-situ concrete strength on the shear connection capacity are presented.
Key Words
     headed stud; composite construction; precast hollow core slabs; finite element modelling.
School of Civil Engineering, University of Leeds, Leeds, LS2 9JT, U.K.

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