Tensile Roof Structure at Armoon Camp in Khorramabad, Iran

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Steel Membrane Roof

The roof system consists of high-point fabric, supported by peripheral back cable columns. The arrangement of these columns provides comfortable shaded areas for guests while maintaining a sense of openness and visual connection to the surrounding natural landscape. Warm, soft lighting under the roofing ensures a cozy and inviting atmosphere at dusk and at night.

The final form of the structure was developed using a form-finding process in RFEM, incorporating modules for cutting pattern generation and steel design. The membrane geometry was refined to optimize the distribution of pre-tensioning forces while meeting architectural and aesthetic requirements. The columns efficiently transfer loads to the foundation and provide structural stability without requiring a truss system.

Nonlinear analyses were performed during the design process, taking into account initial geometric imperfections, the risk of water ponding, and wind behavior (using CFD simulation in RWIND). Snow loads were also included, reflecting real winter conditions as documented in photographs. The cutting patterns of fabrics were precisely extracted using RFEM to ensure accurate installation and minimize material waste.