Vibration measurements on timber frame floors
conference paper
In the design of lightweight floors vibrational aspects become more and more important. With the foreseen introduction of Eurocode 5 the vibration of timber floors becomes a part of the design for serviceability. Design rules for the vibrational behaviour are given in Eurocode 5. The first rule is based on the deflection of a floor under a concentrated static force F. This requires a high stiffness of the floor in the main span direction or a complicated 2 dimensional floor calculation. The second rule concerns the impact velocity response and includes a specific value for damping and requires the determination of the fundamental frequency.
Acceleration measurements are performed in the Cardington test facility in order to determine the fundamental frequency of three types of timber frame floors. The floor types are ordinary timber frame floors, wood I-beam floors and wood-metal trucs beams. The data is used to determine the fundamental eigenfrequency and the damping ratio.
The values and performance differences between the floors are analysed. Furthermore, compliance with Eurocode 5 is checked
Acceleration measurements are performed in the Cardington test facility in order to determine the fundamental frequency of three types of timber frame floors. The floor types are ordinary timber frame floors, wood I-beam floors and wood-metal trucs beams. The data is used to determine the fundamental eigenfrequency and the damping ratio.
The values and performance differences between the floors are analysed. Furthermore, compliance with Eurocode 5 is checked
TNO Identifier
328812
Source title
Cost Action E5 Workshop 'Constructional, Structural & Serviceability Aspects of Multi-Storey Timber Frame Buildings', Building Research Establishment (BRE), UK, 10-11 June
Pages
1-16
Files
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