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GESUNDHEIT UND WELLNESS • HEALTH AND SPA TECHNISCHER AUSBAU • TECHNICAL SOLUTIONS

Mit schräg ansteigender Decke sorgt der hölzerne Gemeinschaftssaal für ein beeindruckendes Raumgefühl. • With a sloping ceiling, the wooden common room generates an impressive sense of space.

Die unbehandelte Holzschindelfassade schafft einen faszinierenden Kontrast zur zeitgenössischen Architektur. • The untreated wooden shingle façade creates a fascinating contrast to the contemporary architecture.

T he Bürstadt Sports Campus is a versatile project that goes far beyond its function The building was designed to minimise the use of technical systems while maxi-
as an educational and sports building. Located on the former fenced-in site of a mising passive methods. This allows numerous users to interact with the building
large sports facility, it has been transformed into an open neighbourhood accessible without the need for extensive technical instruction. A central feature is a massive
to the entire population. By expanding the site to accommodate social and communal rammed earth wall placed inside the building, between circulation areas and func-
uses, a wide variety of societal groups are addressed. Politics and administration iden- tional spaces like changing rooms and showers. Thanks to its high thermal storage
tified needs and requirements by involving local clubs, youths, teachers and seniors. capacity, the wall can absorb heat in winter and release it via radiation as the room
The educational and sports building forms the heart of the campus. In addition to temperature drops. Its large thermal mass makes it effective at compensating short-
changing rooms, sanitary and shower areas for a total of four sports teams, it also term fluctuations. The underfloor heating slowly adds the necessary warmth back
houses a fitness area and storage spaces. Furthermore, there are flexible rooms avai- into the space. The rammed earth wall is also advantageous in the summer. The
lable for use in day care, sports education, or seminars. The building’s distinctive tower stored heat is removed at night through cross-ventilation and night cooling, while
accommodates a sports hall with a large ceiling height, offering excellent views of the during the day, the wall releases stored coolness into the rooms, creating a phase
outdoor sports areas. It also serves as a landmark, facilitating orientation on the site. shift in temperature peaks and helping to maintain a constant room temperatu-
A key priority in the construction project was the use of resource-efficient materials, re. Opening windows in the corridor areas and entrance doors positioned opposite
which were optimally utilised according to their properties. The foundation slab is allow for efficient cross-ventilation, ensuring pleasant room temperatures.
made of recycled concrete, significantly reducing CO2 emissions. Load-bearing and stif-
fening elements are made entirely of cross-laminated timber, while a ventilated woo- Passive systems: minimal technical complexity, maximum efficiency
den shingle façade is mounted in front of the load-bearing exterior walls. The thermal
envelope is optimised with blow-in insulation made from recycled paper, minimising The rammed earth wall also helps control humidity by storing moisture within the
heat loss. Durable, untreated wooden shingles are low-maintenance, and their small- fine structure of its clay minerals, keeping indoor air humidity within a comfortable
scale structure allows for individual replacement. Most components were assembled range of 40 to 60 percent. Furthermore, the open structure of the clay wall acts as
without adhesives or composite materials, creating a reversible construction that trans- an acoustic diffuser. The irregular wall surface reduces sound and minimises echo
forms the building into a valuable raw material depot for the future. effects. As a result, additional sound-absorbing measures are unnecessary. However,

120 • AIT 11.2024