project ... [bath]
location ... Sweden, Gothenburg, Torslanda
year ... 2022
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A communal bathhouse situated just outside Gothenburg, Sweden. My aim was to design a captivating and visually striking roof structure that enhances the overall space. Structurally, the roof operates as a truss with varying widths, complemented by decorative secondary beams suspended beneath.
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The intent was to create a building where the interior contrasts the exterior, creating intrigue and surprise upon entering. The roof structure not only serves a functional purpose but also acts as a focal point, dividing and curving down towards the entrance. Consequently, as one enters the building, the roof gradually unveils itself, offering a glimpse of the intricate structure that spans over the main bath hall.
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The roof structure consists of a system of trusses that vary in width lengthwise along the truss and in width relative to the trusses beside them. The trusses are connected underneath for aesthetic reasons and above to support the roof load. The result is a double-curved surface that flows along the roof of the hall. This shape is integrated into the load-bearing structure while remaining transparent enough to be easily understood.
(1) Rendered exterior image
(2) Site plan
(3) Plan
(4) Axonometric drawing of roof structure
(7) Rendered image of the interior pool room
(8) Video of parametric roof shape
(9) Part of Grasshopper scripting building truss and defining shape
(10) Coupling connection of roof truss
(11) Exploded view of a coupling connection of roof truss
(12) Sections showing roof trusses varying in width in both directions
(13) Rendered image of corridor