2018 IDEO Stair
These calculations justify the structural design of a new steel staircase for IDEO in Herbal House, Clerkenwell. The stair spans from the fifth to sixth floor and is hung from the high-level beams of the sixth floor. The stair comprises an 8mm thick steel folded plate with a series of stiffeners on the underside and hangers vertically support the stair at six locations.

Steel staircases are highly susceptible to vibration as they combine low levels of damping, low mass and high levels of human-induced excitation, therefore the predominant design criteria for this stair was vibration.
ArchitectFeilden Fowles Architects
Photography Anthony Weller
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