Community Research and Development Information Service - CORDIS


This report describes an investigation into a number of aspects of semi-rigid action, with particular emphasis on those likely to prove beneficial in the design of multi-storey steel frames. A database of 550 sets of moment-rotation characteristics has been used to examine the interaction of connection stiffness and bracing requirements. In order to investigate full three-dimensional response 22 moment-rotation tests were conducted, of which 11 were out-of-plane. Additional tests have shown that torsional flexibility of connections is unimportant. Theoretical studies on the response of laterally unrestrained beams with semi-rigid joints has indicated that out-of-plane flexibility is not a primary factor in controlling beam strength. Analyses of column subassemblies have indicated that whilst full representation of behaviour is complex, one particular simple approach to design is possible and warrants further investigation.

Additional information

Authors: ALLEN P H, British Constructional Steelwork Association Ltd., London (GB);KIRBY P A, British Constructional Steelwork Association Ltd., London (GB)
Bibliographic Reference: EUR 14574 EN (1993) 152 pp., FS, ECU 18.50
Availability: (2)
ISBN: ISBN 92-826-6000-1
Record Number: 199311061 / Last updated on: 1994-11-29
Original language: en
Available languages: en