Project description

Demonstrator high-rise building SFB1244

Position

The future experimental platform is to be built to the west of the existing experimental platform of the ILEK. Together with the neigh­bouring ARENA 2036, the Sol Space Pavilion, the existing ILEK plat­form and the landmarked ILEK tent, it forms an „innovation mile“ that accommodates a large number of research projects on one axis and makes them accessible to visitors. As one of the tallest buil­dings on the Campus Vaihingen, the demonstrator together with the associated staircase tower will attract a lot of attention and will be visible from a distance (e. g. from highway A8).

Photograph of the Demonstrator model in an urban context (c) Source: ILEK  ©
Photograph of the Demonstrator model in an urban context

The test platform will be 20 m x 27 m in size. In addition to the demonstrator and its staircase tower, containers for technology and monitoring will also be positioned, as well as storage space for fun­ctional samples on the platform. Access to the platform will be gran­ted to visitors by appointment.

In contrast to all other buildings on the campus, which are orien­ted north-south, the demonstrator will be aligned in the main wind direction (west/south-west) in order to reinforce the existing wind influences on the building.

Building

The demonstrator itself is doubly axis-symmetrical and has a square base area with an edge length of 5.10 m, measured on the outer side of the structural plane. The floor height is 3.0 m. The clear room height depends on the ceiling superstructures, some of which are also part of research pro­jects. In the floors with conventional wooden ceilings, a clear room height of approx. 2.60 m is achieved.

In order to execute the demonstrator as puristically as possible, the vertical access as well as all cables are routed externally via a stair­case tower. This is very similar in its dimensions to the demonstra­tor, but is built without a facade. Accordingly, all storeys are acces­sed via walkways. The distance between the two towers is 2.70 m.

Floor plan Demonstrator Building (c) © ILEK
Floor plan Demonstrator Building

The floor height is 3.0 m. The clear room height depends on the ceiling superstructures, some of which are also part of research projects. In the floors with conventional wooden ceilings, a clear room height of approx. 2.60 m is achieved.

Section Demonstrator Building (c) Source: ILEK  ©
Section Demonstrator Building
Supporting structure unit consisting of columns and diagonals (c) © IKTD
Supporting structure unit consisting of columns and diagonals

Supporting structure

In a first construction phase, the supporting structure will be con­structed as a steel construction. Three floors, with continuosly diagonal bracing elements constitute one structural unit. The fact that actuators are integrated into the supports and diagonal bracing elements is worldwide unique. By activating them, the load transfer behaviour of the load-bearing structure can be influenced and signi­ficantly improved. In addition, the load-bearing structure is able to actively dampen or neutralize load-induced vibrations without addi­tional material expenses due to larger construction cross-sections.

The demonstrator has a total of twelve self-contained levels. Each storey has 230 V and 400 V connections, as well as Internet. If required, the temperature and quality of the room air may be cont­rolled by an air conditioning system located in the external container or alternatively by a decentralized conditioning unit.

Visualization of the demonstrator with staircase tower  (c) Source: ILEK  ©
Visualization of the demonstrator with staircase tower
Visualization of the demonstrator with different facade modules (c) Source: ILEK  ©
Visualization of the demonstrator with different facade modules

Facade

The demonstrator is designed as an experimental building. Not only structural aspects are tested, but also innovative facade systems. The sizes of the facade modules are adapted to a typical skyscraper size. The floor height of 3.0 m also corresponds to the height of the individual facade elements.

Due to the double axis symmetry, all four sides of the facade are the same, only the side facing the staircase tower requires an access door. For the floors that are not covered with test facades from the outset, it is planned to install a textile primary facade as weather protection until the facades to be tested are also installed here during the course of the research periods. In order to ensure that individual facades can be replaced at any time, a facade crane should allow permanent access to the facade.

The demonstrator enhances year by year and its appearance suc­cumbs to continuous change. In order to make this possible, flexible fixing points are worked out during the working planning and forwarded to interested facade companies as a template. When completed, the demonstrator will be the world‘s largest adaptive structure and the first adaptive building in the world. The public interest will be very high from the outset, it will not only be intro­duced to the scientific community through numerous publications, but will also be presented to a wider public through regular guided tours. It is therefore the ideal advertising space for any company.

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