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Evaluation of floor vibration caused by human walking in a large glulam beam and deck floor
Highlights Topping layer and floor occupancy decreased fundamental frequency. Damping increased significantly by adding topping layer and presence of the people. Finite Element analysis exceeds ‘typical’ design approach provides accurate model.
Abstract Discussion addresses the vibration responses of a large glued-laminated-timber (glulam) beam-and-deck system subjected to office floor loadings. Ambient Vibration Test (AVT) was carried out before floor topping layers were added, and after occupation of the building. Addition of topping layers, and presence of office workers and furniture strongly influenced the fundamental frequency and damping of the system. Detailed Finite Element (FE) models were created. It was found that only FE analyses that exceed ‘typical’ design approach would provide an accurate model. Controlled walking tests associated with normal office activities were conducted. Those indicated the particular floor, and possibly other large glulam beam-and-deck floors with concrete topping, is not prone to low level vibration serviceability problems.
Evaluation of floor vibration caused by human walking in a large glulam beam and deck floor
Highlights Topping layer and floor occupancy decreased fundamental frequency. Damping increased significantly by adding topping layer and presence of the people. Finite Element analysis exceeds ‘typical’ design approach provides accurate model.
Abstract Discussion addresses the vibration responses of a large glued-laminated-timber (glulam) beam-and-deck system subjected to office floor loadings. Ambient Vibration Test (AVT) was carried out before floor topping layers were added, and after occupation of the building. Addition of topping layers, and presence of office workers and furniture strongly influenced the fundamental frequency and damping of the system. Detailed Finite Element (FE) models were created. It was found that only FE analyses that exceed ‘typical’ design approach would provide an accurate model. Controlled walking tests associated with normal office activities were conducted. Those indicated the particular floor, and possibly other large glulam beam-and-deck floors with concrete topping, is not prone to low level vibration serviceability problems.
Evaluation of floor vibration caused by human walking in a large glulam beam and deck floor
Ebadi, Mohammad Mehdi (author) / Doudak, Ghasan (author) / Smith, Ian (author)
Engineering Structures ; 196
2019-06-26
Article (Journal)
Electronic Resource
English
Beam , Deck element , Design , Finite element , Floors , Glulam , Simple formulas , Walking
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