Design of Twisted-Form Buildings: Correlation between Architecture and Structure

Yiǧit Erkoç*, Necdet Torunbalcl

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review


The trend of twisted-form buildings, driven by advancements in analysis and drawing methods, material technology, and construction techniques, keeps growing. As buildings reach greater heights, the rotation of floor slabs relative to the previous slab creates diverse and intricate twisted forms. While twisted buildings offer novel design possibilities, they also pose significant challenges. In this study, an overview of the geometrical features and parameters that define twisted buildings are introduced, and their architectural advantages and disadvantages are discussed. The impacts of twisted forms on the structural system, considering both the positive and negative effects, are analyzed and several types of structural systems are presented as examples of buildings with twisted forms. Through case studies of twisted buildings, the problems encountered during their design and construction, and the solutions devised and applied by designers to address these challenges, are investigated. Consideration is given to the applicability and sustainability of twisted-form buildings while adhering to the rules and guidelines of today's regulations. Ultimately, this study provides a comprehensive evaluation related to twisted-form buildings and aims to offer valuable insights for architects, engineers, and contractors engaged in the design and execution of twisted buildings by examining various aspects of their structural behavior and construction process.

Original languageEnglish
Article number03124004
JournalJournal of Architectural Engineering
Issue number3
Publication statusPublished - 1 Sept 2024

Bibliographical note

Publisher Copyright:
© 2024 American Society of Civil Engineers.


  • Architectural design
  • Inclined columns
  • Seismic behavior
  • Stepped columns
  • Structural design
  • Torsion in buildings
  • Twisted buildings


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