A consistent model for the codification of wind loads

A wind load code has to provide information on the appropriate design wind actions for different purposes: the design of the cladding, the design of the support of the load bearing structure and the design of the load bearing structure itself. Strictly speaking, for each task a different pressure coefficient is required. The paper presents a concept that recently has been adopted in the draft of ISO 4354. Basic idea is to specify non-simultaneous extremes for the local pressures in tables and give additionally figures for simultaneous pressure distributions. All pressure coefficients are introduced as appropriate fractile values of the extremes. The simultaneous distributions are identified with the LRC-method.