Probabilistic Shear Strength of Bolted Joints in Offshore

  • J. L. Ajimituhuo
  • O. S. AbejideEmail author
Conference paper
Part of the Sustainable Civil Infrastructures book series (SUCI)


This study evaluates the formulations for prediction of ultimate shear capacity of steel joints in offshore structures in order to ascertain the safety of the structures in service using First Order Reliability Method (FORM) under the European code, EC3:1,8 (2003), design format. Two modes of failure were considered which depend on the embedding strength of the plates and bolts that influences the joints capacities and the failure due to bearing. It is generally observed that the increase in bolt diameter, bolt strength with corresponding steel grades, fasteners thickness improves the safety of the joints, while undue increases in load on the offshore structure may result in safety reduction, but not collapse. The provision for joints design in structures in EC3 (2003) is very robust and efficient. However, economy commensurate with structural safety can be achieved in the current formulations.


Offshore Structural safety Shear strength Steel bolts Plate thickness 


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© Springer Nature Switzerland AG 2019

Authors and Affiliations

  1. 1.Department of Civil EngineeringAhmadu Bello UniversityZariaNigeria

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