Ambient Vibration Test and Retest of a Multistory Factory Building
Publication: Journal of Performance of Constructed Facilities
Volume 38, Issue 4
Abstract
Multistory industrial buildings have become prevalent in sectors such as electronics, machinery, pharmaceuticals, and textiles due to limited space in urban environment. There is usually a strict requirement of machine operation on the building vibration, so that it becomes relevant to quantify the structural dynamical characteristics, e.g., natural frequencies, damping ratios, and mode shapes. This paper presents a multisetup ambient vibration test and retest conducted in a multistory industrial building located in Haining, China, using eight triaxial accelerometers to cover 36 measurement locations in six setups during normal operations and shutdown condition. These tests followed a nearly identical test configuration with minor local discrepancies. To obtain the primary modal parameters of the structure, a Bayesian multisetup modal identification algorithm is adopted, followed with a detailed analysis of the results. Furthermore, the floor serviceability is investigated, primarily focusing on worker comfort. The study reveals several interesting phenomena, such as the impact of structural expansion joints and sensor synchronization on the identification results. This study serves as a demonstrative effort in examining the dynamic characteristics of multistory industrial buildings. It provides insight into evaluating the dynamic characteristics with limited sensors and abnormal identification results.
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Data Availability Statement
All data are available in the published article.
Acknowledgments
This research is supported by the Natural Science Foundation of Zhejiang Province (LY21E080025) and the National Natural Science Foundation of China (51908494). The third author gratefully acknowledges the support of the UK Engineering and Physical Sciences Research Council (EPSRC) through the ROSEHIPS project (Grant EP/W005816/1). Any opinions, findings and conclusions, or recommendations expressed in this material are those of the authors and do not reflect the views of the funders.
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Information & Authors
Information
Published In
Journal of Performance of Constructed Facilities
Volume 38 • Issue 4 • August 2024
Copyright
© 2024 American Society of Civil Engineers.
History
Received: Sep 4, 2023
Accepted: Feb 13, 2024
Published online: Jun 3, 2024
Published in print: Aug 1, 2024
Discussion open until: Nov 3, 2024
ASCE Technical Topics:
- Buildings
- Business management
- Construction engineering
- Construction industry
- Construction management
- Continuum mechanics
- Dynamics (solid mechanics)
- Engineering fundamentals
- Engineering mechanics
- Industries
- Laboratory tests
- Mid-rise buildings
- Motion (dynamics)
- Organizations
- Practice and Profession
- Solid mechanics
- Structural dynamics
- Structural engineering
- Structures (by type)
- Tests (by type)
- Triaxial tests
- Vibration
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