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Displacement-based design of tall earthquake-resistant diagrid systems

  • In recent years, the system known as diagrid (diagonal grid) has been used in several tall buildings around the world. Despite the large advantages that the innovative structural system represents in terms of sustainability, its use has not been sufficiently studied for high seismicity zones. This paper develops a displacement-based methodology for the conception and preliminary performance-based seismic design of perimeter diagrid systems. The methodology applies to tall buildings, whose dynamic response is significantly influenced by global flexural drift deformations. The methodology is exemplified by the preliminary design of a 24-story building located in the soft soil condition of Mexico City. The paper provides some detailed background behind the performance-based design and highlights the benefit of simple, reasonable, and safe structural estimations in terms of the monetary and environmental cost. It is concluded first, that the proposed methodology yields diagonal grid systems that adequately satisfy predefined deterministic performance levels; and second, that a perimeter diagonal grid system is an attractive structural option for tall buildings located in high seismicity zones.

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Metadaten
Author:Amador Terán-Gilmore, Samuel RoeslinORCiD, Edgar Tapia-Hernández, Edgar Cuadros-Hipólito
DOI:https://doi.org/10.1016/j.jobe.2020.102022
Parent Title (English):Journal of Building Engineering
Publisher:Elsevier
Document Type:Article
Language:English
Year of first Publication:2021
Release Date:2022/03/21
Tag:Diagrid; Displacement-based design; Integrated design; Stiffness-based sizing; Sustainability; tall building
Volume:35
Article Number:102022
Institutes:Fakultät Bauingenieurwesen
Begutachtungsstatus:peer-reviewed
research focus:Gebäude und Infrastruktur
Licence (German):Keine Lizenz - Es gilt das deutsche Urheberrecht: § 53 UrhG