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Article

Reliability as a Key Driver for a Sustainable Design of Adaptive Load-Bearing Structures

1
Institute of Machine Components, University of Stuttgart, 70569 Stuttgart, Germany
2
Thales Deutschland GmbH, 71254 Ditzingen, Germany
3
Institute for Acoustics and Building Physics, University of Stuttgart, 70569 Stuttgart, Germany
4
Fraunhofer Institute for Building Physics IBP, 70569 Stuttgart, Germany
*
Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Academic Editor: Paris Fokaides
Sustainability 2022, 14(2), 895; https://doi.org/10.3390/su14020895
Received: 16 December 2021 / Revised: 8 January 2022 / Accepted: 10 January 2022 / Published: 13 January 2022
(This article belongs to the Special Issue Quality as Driver for Sustainable Construction)
The consumption of construction materials and the pollution caused by their production can be reduced by the use of reliable adaptive load-bearing structures. Adaptive load-bearing structures are able to adapt to different load cases by specifically manipulating internal stresses using actuators installed in the structure. One main aspect of quality is reliability. A verification of reliability, and thus the safety of conventional structures, was a design issue. When it comes to adaptive load-bearing structures, the material savings reduce the stiffness of the structure, whereby integrated actuators with sensors and a control take over the stiffening. This article explains why the conventional design process is not sufficient for adaptive load-bearing structures and proposes a method for demonstrating improved reliability and environmental sustainability. For this purpose, an exemplary adaptive load-bearing structure is introduced. A linear elastic model, simulating tension in the elements of the adaptive load-bearing structure, supports the analysis. By means of a representative local load-spectrum, the operating life is estimated based on Woehler curves given by the Eurocode for the critical notches. Environmental sustainability is increased by including reliability and sustainability in design. For an exemplary high-rise adaptive load-bearing structure, this increase is more than 50%. View Full-Text
Keywords: adaptive load-bearing structure; lightweight structure; reliability analysis; sustainable and reliable design; quality design; adaptive building adaptive load-bearing structure; lightweight structure; reliability analysis; sustainable and reliable design; quality design; adaptive building
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MDPI and ACS Style

Efinger, D.; Ostertag, A.; Dazer, M.; Borschewski, D.; Albrecht, S.; Bertsche, B. Reliability as a Key Driver for a Sustainable Design of Adaptive Load-Bearing Structures. Sustainability 2022, 14, 895. https://doi.org/10.3390/su14020895

AMA Style

Efinger D, Ostertag A, Dazer M, Borschewski D, Albrecht S, Bertsche B. Reliability as a Key Driver for a Sustainable Design of Adaptive Load-Bearing Structures. Sustainability. 2022; 14(2):895. https://doi.org/10.3390/su14020895

Chicago/Turabian Style

Efinger, Dshamil, Andreas Ostertag, Martin Dazer, David Borschewski, Stefan Albrecht, and Bernd Bertsche. 2022. "Reliability as a Key Driver for a Sustainable Design of Adaptive Load-Bearing Structures" Sustainability 14, no. 2: 895. https://doi.org/10.3390/su14020895

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