Digital Twin for Safety and Security: Perspectives on Building Lifecycle

Siavash H. Khajavi*, Müge Tetik, Zixuan Liu, Pasi Korhonen, Jan Holmström

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

6 Citations (Scopus)
81 Downloads (Pure)


As digital twins are gaining importance in various industries, research on their impact, use cases, and implementation in the field of construction is accelerating. In this study, we examine the impact of digital twins on building safety and security throughout their lifecycle, utilizing two state-of-the-art use cases for fire and anomaly detection. The solution employs advanced sensors, 3D visualizations for detecting safety and security threats, and data analysis to predict potential future threats. Using the data that was collected over a seventeen-month period, we present an implementation architecture for safety and security digital twins in buildings, explore the benefits and shortcomings of such a system, and discuss the learnings applicable to different lifecycle stages of a building. This paper contributes to the creation and study of a digital twin for fire safety, analyzing its performance using two real-world use cases and reporting the implementation results. Additionally, we extrapolate the learnings from the use phase of a facility to other lifecycle phases of buildings and facilities.
Original languageEnglish
Article number10130166
Pages (from-to)52339-52356
Number of pages18
JournalIEEE Access
Publication statusPublished - 2023
MoE publication typeA1 Journal article-refereed


  • Product life cycle management
  • Security
  • Safety
  • Digital twins
  • Smart buildings
  • Maintenance engineering
  • Fires


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