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Projects

Active Energy Building

Architecture falkeis | architects
Structural Engineering Bollinger + Grohmann
Location Vaduz, Liechtenstein
Status in construction, 2010-2016

Photo © Roland Korner

Designed by falkeis | architects  with the structural design from Bollinger + Grohmann, the Active Energy Building in Vaduz introduces a novel system of efficient and economic, yet architecturally intriguing bearing structures for housing units. Instead of a traditional approach based on a regular grid of straight columns, inclined columns were introduced that drive through the buildings volume, constituting a symbiosis of functional and architectural parameters. To do so a two step optimization process was established:

MarxerBuilding-OptimisationStep1-©BollingerGrohmann

Step 1: Topology Optimization by Structural Growth Analogy (Karamba BESO algorithm for 1D-element structural growth: construction with prefab linear elements) © Bollinger Grohmann

MarxerBuilding-OptimisationStep2-©BollingerGrohmann

Step 2: Geometry Optimization by Genetic Algorithm (Given topology of column configuration from Step 1 ‘BESO‘. Rotational adjustment of ‘column trees‘ where Genes = Rotations) © Bollinger Grohmann

MarxerBuilding-Analysis-©BollingerGrohmann MarxerBuilding-Utilisation-©BollingerGrohmann

Karamba model under vertical and horizontal loads / Stresses in deformed Karamba model (13x) © Bollinger Grohmann

The structure is designed out of reinforced concrete. The reinforced concrete floors are designed as flat slabs with a span between 6 and 12 meters. The middle area of the building is supported by prefabricated steel columns from the ground floor on. With the help of genetic algorithms a structure was developed that is composed out of 4 different types of columns (2x V-shaped & 2x A-shaped). The location and orientation of those columns resulted in irregular appearance with an optimized structural load bearing behavior while minimizing the material resources.

MarxerBuilding-Components4-©BollingerGrohmann MarxerBuilding-Components3-©BollingerGrohmann MarxerBuilding-Components2-©BollingerGrohmann MarxerBuilding-Components-©BollingerGrohmann

Building Components © Bollinger Grohmann

MarxerBuilding-Construction-©HannoKonradAnstaltMarxerBuilding-Construction2-©HannoKonradAnstalt MarxerBuilding-Construction3-©HannoKonradAnstalt

Construction Photos © Hanno Konrad Anstalt

MarxerBuilding-Construction-©RolandKorner

Photo © Roland Korner
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