Acoustic Performance Investigation of a CLT-Based Three-Floor Building

Guigou Carter, Catherine; Balanant, Nicolas; Kouyoumji, Jean-Luc

doi:10.3390/buildings13081935

Cited by 4 publications

(3 citation statements)

References 8 publications

(15 reference statements)

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“…Note that for simplicity in this paper, the airborne sound insulation and impact sound insultation between common access area and the dwellings have not been considered. The survey was based on the perceptive questionnaire presented in [6][7] of more than 20 specific questions relative to…”

Section: Surveys and Measurements Have Been Carried Out With A Sample...mentioning

confidence: 99%

Grading system for dwellings acoustic performance implemented in French housing quality certification

Balanant,

Guigou-Carter

2024

Proceedings of the 10th Convention of the European Acoustics Association Forum Acusticum 2023

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The QUALITEL group is the French association for housing quality, and manages the NF Habitat and NF Habitat HQE certifications. QUALITEL has developed many years ago its own grading system for dwellings acoustic performance, while the international classification technical specification (ISO/TS 19488) and the French single acoustic indicator were discussed. A classification scheme is a good idea to inform the public about building acoustics and an interesting tool for customers to compare products and more generally for the general public and nonspecialists building stakeholders. The QUALITEL label grading is composed of two indicators. The first one concerns the acoustic outdoor quality of the building environment; it allows to evaluate outdoor spaces such as balconies or gardens and also reflects the importance of exterior noise in the dwellings when the windows are open. The second one concerns the building acoustic indoor quality ; it allows to evaluate the protection against outdoor noise, noise from neighbors, and service equipment. This article focuses on the second indicator about the building performance and describes how it is obtained and compares this evaluated grade to the inhabitant's satisfaction rate, obtained with surveys. Some examples on real buildings are presented and compared with ISO/TS 19488 classification.

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Section: Surveys and Measurements Have Been Carried Out With A Sample...mentioning

confidence: 99%

Grading system for dwellings acoustic performance implemented in French housing quality certification

Balanant,

Guigou-Carter

2024

Proceedings of the 10th Convention of the European Acoustics Association Forum Acusticum 2023

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“…Pérez and Fuente [51] measured the velocity level difference in a CLT mock-up building where, amongst other combinations, different resilient materials were used. Additionally, a more extensive mock-up test of several sound parameters, including the vibration reduction index, was conducted in the ADIVBois Acoustic Mockup [52].…”

Section: Introductionmentioning

confidence: 99%

Effects of Building Height on the Sound Transmission in Cross-Laminated Timber Buildings—Vibration Reduction Index

Nilsson,

Ménard,

Bard

et al. 2023

Buildings

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High-rise wooden buildings are increasing in popularity, and they typically include cross-laminated timber in the structure. Taller buildings result in higher loads on the junctions lower down in the building, which are suggested in the literature to negatively affect the sound insulation. This study involved measurement of the vibration reduction index in four different CLT buildings, varying in height and junction details. A total of 12 junctions were measured at both high and low levels in the buildings. Among these, 10 junctions had resilient interlayers with different stiffnesses dependent on the designed quasi-permanent load, while 2 junctions lacked resilient interlayers. The results indicated that the vibration reduction index decreases lower down in the building mainly for the Wall–Wall path. The findings were consistent for all measured junctions above 400 Hz for the Wall–Wall path and for the majority of the measurements of the remaining frequency range, 400 Hz and below. The observed difference in the vibration reduction index could significantly impact the final result if a high-rise building has several flanking paths that affect the sound insulation between two apartments, and this needs to be considered during the design phase. Similar effects were shown for buildings both with and without resilient interlayers in the junctions.

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“…Examples from recent years are the field study in Canada of five multi-unit residential buildings with 50–288 units each, 4 the investigation of acoustic and non-acoustic factors in Korea of four apartment complexes with 400 resident responses in total, 5 the study of neighbour noise annoyance in Germany based upon 1973 completed questionnaires from four geographic areas, 6 the socio-acoustic investigation in Norway involving 600 dwellings, 7 and the acoustic comfort investigation in Sweden with 101 building units. 8 Other related examples are the acoustic comfort evaluation in France with multi-storey lightweight buildings, 9 the Finnish studies of occupants’ satisfaction with the sound insulation focused on wall constructions, 10 and the Swedish investigation about airborne sound insulation between dwellings. 11 Common conclusions in these studies are that occupants in general are rather satisfied by the acoustic comfort in their homes.…”

Section: Introductionmentioning

confidence: 99%

Sound insulation in multi-family houses: Proposal of single number limits for acoustical protection and comfort

Ljunggren,

Simmons

2023

Building Acoustics

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In this paper, the acoustical quality in apartment housing is studied. The purpose is to find out to what extent occupants are annoyed by indoor noise and to compare the annoyance with measured airborne and impact sound insulation. The occupants in 38 building cases in Sweden, grouped into different construction categories, were asked in a questionnaire to rate their annoyance for a variety of potentially disturbing sound sources. In total, 1230 individual responses were used for the statistical analyses. The result shows that on average, the occupants are quite satisfied and reported low annoyance. This is taken as an indication that the present National legislation for sound insulation, airborne sound insulation included, works well. However, annoyance from footstep of walking neighbours is an exception, causing significantly greater annoyance compared to any other source, especially among occupants in lightweight buildings. The commonly used impact sound insulation descriptors are unable to match subjective experience. In combination with the sensitivity of lightweight floors to low-frequency sounds, improper building designs are likely to result in poor noise protection for the occupants. To overcome this issue, a new single number quantity taking frequencies as low as 25 Hz into account is suggested.

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Acoustic Performance Investigation of a CLT-Based Three-Floor Building

Cited by 4 publications

References 8 publications

Grading system for dwellings acoustic performance implemented in French housing quality certification

Grading system for dwellings acoustic performance implemented in French housing quality certification

Effects of Building Height on the Sound Transmission in Cross-Laminated Timber Buildings—Vibration Reduction Index

Sound insulation in multi-family houses: Proposal of single number limits for acoustical protection and comfort

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