G3 Shopping Resort in Gerasdorf, Austria

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Timber Structure of Building

More than 282,517 ft³ of cross-laminated timber and approximately 123,601 ft³ of glued-laminated beams were used for the construction work. Both the architecturally sophisticated design and the complex structural calculation were penned by ATP Architects and Engineers, an Austrian customer of Dlubal Software. The structural analysis was created under the leadership of Dipl.‑Ing. Gustav Trefil.

Giant Wave Made of Timber

The project's architectural and structural highlight is the huge timber roof rolling across an area of 645,834 ft², spanning the building like a giant wave. It was designed by the Austrian company Graf‑Holztechnik.

The primary structure, consisting of heavy glulam beams, is based on steel and reinforced concrete columns with a height of up to 65.5 ft.

The structure supports a record amount of approximately 282,517 ft³ of cross‑laminated timber slabs. The three- and five-layer panels have thicknesses of ~ 4.7 to 9.5 inches and a span length of up to ~ 32.8 ft. The designers calculated the thickness for each slab in order to dimension the structure to be as slender and efficient as possible.

Environmentally Friendly and Visually Appealing

The project's energy balance is truly impressive. Due to the use of timber as the construction material, more than 25,353 t of CO₂ have been saved.

Because of the high roof levels (up to ~ 65.6 ft), the timber structure was installed and "sanded in industry quality" in order to obtain the ideal balance between cost and visual appearance.

The timber will remain largely visible, making a significant contribution to the desired feel and comfort factor of the Shopping Resort.