Hexcel’s multiaxial fabrics reinforce Dasyc’s composite hangars

CiMaugust16News - Hexcel
CiMaugust16News - Hexcel

Hexcel’s HiMax glass fibre fabrics were selected by Greek company Dasyc SA for the manufacture of its Composite Modular Transportable Hangar (CMTH). Constructed from prefabricated composite sandwich panels, this structure can be employed in a wide variety of civil or military applications. The use of Hexcel quadaxial reinforcements enabled Dasyc to manufacture a composite structure with a strength equivalent to that of a concrete or steel building.

Dasyc developed the composite hangar to address a need for mobile storage, parking and housing structures. The patented design enables rapid transportation, assembly and disassembly in any location. Possible applications for the structures range from housing aircraft, helicopters and military vehicles, to the storage of equipment at construction sites or airports. Field hospitals, on-site office space and disaster relief/emergency response facilities are just a few further examples. Dasyc has already delivered three hangars to the Hellenic Air Force and is now promoting the product internationally.

To create the CMTH hangar the composite panels are assembled together to form arches. The length of the hangar is dependent on the number of arches used. The panels are manufactured at Dasyc’s production plant in Markopoulo using a vacuum assisted resin transfer moulding (VARTM) process. They are 80mm thick sandwich structures consisting of a hard polyurethane core material between two laminate skins of glass fibre reinforced polyester resin.

For this project Dasyc required reinforcements that would form a composite structure with a strength similar to that of a concrete or steel building and capable of withstanding the same structural loads as specified by the Eurocodes building regulations. To provide the required mechanical properties Hexcel Reinforcements UK (formerly FORMAX) supplied its HiMax FGE112 1200g/m2 quadaxial fabric, consisting of four layers of E-glass fibres aligned in the

Hexcel supplied approximately 40 tonnes of glass fibre reinforcements for each of the hangars delivered to the Hellenic Air Force. The majority of material was FGE112, with a smaller amount of 450 g/m2 continuous filament mat also being provided to aid resin flow during the infusion process.

www.hexcel.com

Company

Hexcel

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