International Association for Shell and Spatial Structures (IASS)

Association internationale pour les voiles minces et les voiles spatiaux (AIVM)
Asociación Internacional de Estructuras Laminares y Espaciales (AIEL)
Internationale Verbindung für Schalentragwerke und Raumtragwerke (IVS)

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1959-09-18 Madrid Spain


Founded by Eduardo Torroja, on taking over the activities of International Committee for Shell Structures (ICSS), previously set up in Oslo (Norway).


Advance development of technology of construction of shells or three dimensional continuous or discontinuous structures, whose thickness is small compared to their other two dimensions, and in which the forces acting in the middle plane are fundamental; achieve further progress through interchange of ideas among all interested in lightweight structural systems such as lattice, tension, membrane and shell structures.


2025-10-27 | Mexico City, Mexico – Annual Symposium
2025-06-09 | Kanazawa, Japan – Asian Pacific Conference for Shell and Spatial Structures
2024-10-16 | Buenos Aires, Argentina – Latin American Symposium on Tensile Structures

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Executive Council (meets at least annually); Advisory Board; Technical Working Groups (12).


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UN Sustainable Development Goals **

GOAL 9: Industry, Innovation and Infrastructure



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** UN SDGs are linked to the subject classification.

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