Effect of Bearing Direction and Mounting Techniques on Cross-Laminated Timber Elements in the Field
(2022) 51st International Congress and Exposition on Noise Control Engineering, Internoise 2022- Abstract
Vibration reduction index (Kij ) measurements in the field have some challenges compared to laboratory measurements. Firstly, the measurement requires access to a construction site during the short time span when the cross-laminated timber (CLT) elements are apparent. Secondly, building contractors are often on a tight time schedule. Therefore, it is important to find a solution that minimizes the measurement time on site. Moreover, Kij measurements in the field include several types of junctions with different bearing directions which may be of importance. This paper aims to evaluate two different mounting techniques with accelerometers on CLT elements and to discuss how the bearing direction could affect the... (More)
Vibration reduction index (Kij ) measurements in the field have some challenges compared to laboratory measurements. Firstly, the measurement requires access to a construction site during the short time span when the cross-laminated timber (CLT) elements are apparent. Secondly, building contractors are often on a tight time schedule. Therefore, it is important to find a solution that minimizes the measurement time on site. Moreover, Kij measurements in the field include several types of junctions with different bearing directions which may be of importance. This paper aims to evaluate two different mounting techniques with accelerometers on CLT elements and to discuss how the bearing direction could affect the vibration level difference of junctions. Measurement data indicate few deviations between mounting techniques with bee wax or double-sided adhesive tape when accelerometers are attached to CLT elements. Furthermore, field measurements indicate that the vibration level will decrease with increased lamellas over the same CLT element. Double-sided adhesive tape is an adequate substitute for bee wax in the field for mounting accelerometers on CLT elements, with some limitations at high frequencies. Measurement data concludes that the bearing direction of CLT elements can influence the vibration reduction index of a junction.
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- author
- Nilsson, Erik ; Ménard, Sylvain ; Bard Hagberg, Delphine LU and Hagberg, Klas LU
- organization
- publishing date
- 2022
- type
- Chapter in Book/Report/Conference proceeding
- publication status
- published
- subject
- keywords
- Bearing Direction, Cross-Laminated Timber, Mounting Technique, Vibration reduction index
- host publication
- Internoise 2022 - 51st International Congress and Exposition on Noise Control Engineering
- publisher
- The Institute of Noise Control Engineering of the USA, Inc.
- conference name
- 51st International Congress and Exposition on Noise Control Engineering, Internoise 2022
- conference location
- Glasgow, United Kingdom
- conference dates
- 2022-08-21 - 2022-08-24
- external identifiers
-
- scopus:85147451504
- ISBN
- 9781906913427
- language
- English
- LU publication?
- yes
- id
- 87e1620d-7b64-4f9e-9afd-2eb0332dbfd3
- date added to LUP
- 2023-02-20 14:58:16
- date last changed
- 2023-10-09 13:56:45
@inproceedings{87e1620d-7b64-4f9e-9afd-2eb0332dbfd3, abstract = {{<p>Vibration reduction index (K<sub>ij</sub> ) measurements in the field have some challenges compared to laboratory measurements. Firstly, the measurement requires access to a construction site during the short time span when the cross-laminated timber (CLT) elements are apparent. Secondly, building contractors are often on a tight time schedule. Therefore, it is important to find a solution that minimizes the measurement time on site. Moreover, K<sub>ij</sub> measurements in the field include several types of junctions with different bearing directions which may be of importance. This paper aims to evaluate two different mounting techniques with accelerometers on CLT elements and to discuss how the bearing direction could affect the vibration level difference of junctions. Measurement data indicate few deviations between mounting techniques with bee wax or double-sided adhesive tape when accelerometers are attached to CLT elements. Furthermore, field measurements indicate that the vibration level will decrease with increased lamellas over the same CLT element. Double-sided adhesive tape is an adequate substitute for bee wax in the field for mounting accelerometers on CLT elements, with some limitations at high frequencies. Measurement data concludes that the bearing direction of CLT elements can influence the vibration reduction index of a junction.</p>}}, author = {{Nilsson, Erik and Ménard, Sylvain and Bard Hagberg, Delphine and Hagberg, Klas}}, booktitle = {{Internoise 2022 - 51st International Congress and Exposition on Noise Control Engineering}}, isbn = {{9781906913427}}, keywords = {{Bearing Direction; Cross-Laminated Timber; Mounting Technique; Vibration reduction index}}, language = {{eng}}, publisher = {{The Institute of Noise Control Engineering of the USA, Inc.}}, title = {{Effect of Bearing Direction and Mounting Techniques on Cross-Laminated Timber Elements in the Field}}, year = {{2022}}, }