Testing and analysis of stressed skin diaphragms

J. Michael Davies, Michael Roberts, Yong Wang

Research output: Contribution to conferencePaperpeer-review


Stressed skin theory was born in the 1960’s and intensive research and development took place up to the mid 1980’s; by the end of this period, the theory appeared to be quite stable and almostall further development ceased. Since then, it has served the construction community well in its primary application of eliminating wind bracing in the plane of the roof of nominally pin-jointed structures. Interest in its other application of interacting with rigidly-jointed portal frames has waned because the effect did not seem to be significant. Since the mid 1980’s, portal frames have become taller, the members more slender, and new cladding systems have proliferated. ‘Parasitic’ (unwanted) stressed skin action is now threatening to dominate this scenario and stressed skin theory has a great deal of catching up to do. This is the second of two papers that seek to redress this balance. Much progress has been made, but there is still research and development to be done. In the meantime, large warehouses and distribution centres are still being constructed at an alarming rate; this has to be seen as one of the greatest challenges the construction industry has faced in recent years.
Original languageEnglish
Number of pages20
Publication statusPublished - 24 Jul 2018
EventEighth International Conference on Thin-Walled Structures - Lisbon, Portugal
Duration: 24 Jul 201827 Jul 2018
Conference number: 8


ConferenceEighth International Conference on Thin-Walled Structures
Abbreviated titleICTWS2018


  • Steel Structures
  • Stability
  • Stressed skin design
  • Metal cladding


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