A numerical modelling framework for vibration assessment of timber composite floors in mass timber buildings

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dc.contributor.authorCheraghi-shirazi, Najmeh
dc.contributor.authorCreagh, Ariel
dc.contributor.authorSetiawan, Fendy
dc.contributor.authorParra, Roger
dc.contributor.authorKhoshkbari, Parham
dc.contributor.authorMalek, Sardar
dc.date.accessioned2026-03-12T21:25:30Z
dc.date.available2026-03-12T21:25:30Z
dc.date.issued2025
dc.description.abstractTimber composite floors are vulnerable to human-induced vibrations due to their low weight and long spans used in office buildings. Introducing concrete into timber panels is a common approach to enhance the vibration performance of long-span timber floors. While the effects of certain parameters on the vibration performance of timber composite floors have been extensively studied in laboratory settings, and some numerical models have been proposed, predictions are often sensitive to variations in input parameters. Many of these numerical models are "calibrated" using test data from specific experiments (e.g., connection or 4-point bending tests) conducted on specific laboratory floors and may not be applicable to real building floors. This paper presents a comprehensive physics-based finite element (FE) modelling framework aimed at accurately predicting the vibration characteristics (i.e. frequency and acceleration) of long-span Timber Concrete Composite (TCC) floors and understanding the vibration response of composite floors. The accuracy of the approach is examined by comparing modelling predictions against test data for a 9 m (?30 ft) composite floor within a real office building. The application of analytical equations for predicting floor static stiffness, and frequency, and limitations of simple approaches suggested in some standards are discussed. The developed framework is shown to be a valuable tool for benchmarking the impact of various boundary conditions and input parameters recommended in design guides. Specifically, the effects of key parameters, including the dynamic modulus of concrete, shear stiffness of glulam beam-to-CLT and CLT-to-concrete connectors, and the stiffness of beam-to-beam connections are demonstrated and discussed.
dc.description.reviewstatusReviewed
dc.description.scholarlevelFaculty
dc.description.sponsorshipNatural Sciences and Engineering Research Council of Canada
dc.identifier.citationCheraghi-Shirazi, N., Creagh, A., Setiawan, F., Parra, R., Khoshkbari, P., & Malek, S. (2025). A numerical modelling framework for vibration assessment of timber composite floors in mass timber buildings. Journal of Building Engineering, 106, 112605. https://doi.org/10.1016/j.jobe.2025.112605
dc.identifier.urihttps://doi.org/10.1016/j.jobe.2025.112605
dc.identifier.urihttps://hdl.handle.net/1828/23465
dc.language.isoen
dc.publisherJournal of Building Engineering
dc.rightsCC BY-NC
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/
dc.subjectmass timber
dc.subjectvibration
dc.subjectnumerical modelling
dc.subjecttimber composite floors
dc.subjectfrequency
dc.subjecttime history acceleration
dc.subjectgamma method
dc.subjectEuler-Bernoulli beam theory
dc.subjectconnections
dc.subjectconnector's shear stiffness
dc.subjectCentre for Advanced Materials and Related Technology (CAMTEC)
dc.subject.departmentDepartment of Civil Engineering
dc.titleA numerical modelling framework for vibration assessment of timber composite floors in mass timber buildings
dc.typeArticle

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