Assessment of the low-frequency procedure in the field measurements of impact sound insulation between dwellings

Kylliäinen, Mikko; Talus, Lauri; Lietzén, Jesse; Latvanne, Pekka; Kovalainen, Ville

doi:10.1016/j.apacoust.2021.108399

Cited by 7 publications

(4 citation statements)

References 15 publications

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“…Similar results were obtained in Ljunggren's study in Sweden [72]. Although the sound insulation performance of wooden structures is still skeptical in some studies (e.g., [73,74]), recent research on the enhancement of sound insulation of wooden apartments (e.g., [75]) in the Finnish context (e.g., [76]) may have contributed to the positive course of this perception in our study.…”

Section: Discussionsupporting

confidence: 90%

Finnish Multi-Story Timber-Framed Apartment Buildings: Tampere Residents’ Perspectives

Savolainen

Ilgın

Oinas³

et al. 2022

Buildings

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This study aims to understand the views and experiences of Tampere residents in Finland about multi-story timber-framed apartments and wooden structures through a questionnaire. The 151 responses highlighted two main issues: (1) multi-story timber-framed apartments were rated as a good product in terms of user satisfaction, which was based on the following findings: (1a) for most of the respondents, the apartment had fresh air and a suitable temperature on cold winter days; (1b) the majority felt safe living in a multi-story timber-framed apartment; (1c) respondents generally were satisfied with the soundproofing, except for the disturbing noises from the upper floor and the stairwells; (1d) residents’ opinions were mainly positive regarding most of the functional features such as storage facilities, the location and access roads of the building, exterior facade, and wood visibility level; (2) there exists a demand for multi-story timber-framed residential buildings in the market, especially in the customer segment, which is defined as ‘environmentalist’. This was based on the following findings: (2a) living in an environmentally friendly, low-carbon, natural-material apartment, cozier living in a timber-framed apartment, and meaningful use of wood in interiors were notably more important for the extremely satisfied residents; (2b) building facades, and floors and ceilings inside the apartment were the places where the use of wood was most desired in the apartment. This article is intended to be a guide for key construction experts, e.g., architectural designers and developers to better understand and meet the demands and needs of timber-framed apartment residents in Finland.

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Section: Discussionsupporting

confidence: 90%

Finnish Multi-Story Timber-Framed Apartment Buildings: Tampere Residents’ Perspectives

Savolainen

Ilgın

Oinas³

et al. 2022

Buildings

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“…For the evaluation of impact sound insulation, weighted normalized impact sound pressure level (L'nW) and weighted normalized impact sound pressure level with living adaption term (respectively L'nW +C) according to the standard LST EN ISO 717-2 [18] were determined to define a link between the insulation measured and the insulation experienced by the building occupants [14]. As impact sound source, taping machine Nor211A was used.…”

Section: Structure Materials Methods and Equipment For Investigationmentioning

confidence: 99%

“…The air borne and impact sound performance of structures in 50-5000 Hz frequency range was measured. In order to evaluate the efficiency of living noise insulation, which is dominant in multi-apartment buildings [12], the singlenumber quantitiesweighted standardized level difference (DnTw) [13] and weighted normalized impact sound pressure level (L'nW) [14] with and without living adaption term (C) were determined and analysed.…”

Section: Introductionmentioning

confidence: 99%

Sound insulation of slabs in dwellings

Miškinis,

Bliudžius,

Buska

2023

J. Phys.: Conf. Ser.

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The well-being and sleeping quality of people in dwellings depends on appropriate sound insulation efficiency of building structures. In individual apartments, airborne sound is produced by people talking and music playing, and impact sound is produced by people walking and falling of various objects on the floor. The inter floor slab separating the individual dwellings is intended for airborne and impact noise insulation, so special attention is paid to its design and installation. Since the composition of this structure is primarily determined by the structural requirements, the improvement of the sound insulation performance is mainly carried out by developing the damping interlayer materials. The stone wool plate has been modified reducing the fiber intertwining to obtain a more uniform fiber directivity, thus reducing its dynamic stiffness. Therefore, the aim of this study was to investigate the sound insulation efficiency of inter floor slabs with a new modification of stone wool damping interlayer in comparison with currently used mineral wool products. The experimental measurements in 50-5000 Hz frequency range were performed in construction site (real structures), the single-number quantities – weighted standardized level difference (DnTw) and weighted normalized impact sound pressure level (L‘nW) with living adaption term (C) were determined and compared. The research results demonstrated that the modified stone wool with reduced fiber intertwining and lover organic content used for damping interlayer enables to improve living sound insulation of inter floor slab comparing with existing stone wool materials.

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“…Concerning the measurements of impact sound insulation, the low-frequency procedure in rooms having a volume below 25 m 3 presented in ISO 16283-2 [12] is not applied in the standard [10] as there is no scientific evidence of its applicability in impact sound insulation measurements [13].…”

Section: Example Of Classification Of Apartmentsmentioning

confidence: 99%

Revision of Finnish Standard SFS 5907 on Acoustical Design and Quality Classes of Buildings

Kylliäinen,

Laitakari,

Huhtala

et al. 2022

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

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The second edition of the Finnish standard SFS 5907 was published in December 2022. The first edition was made public in 2004. Since the decree of the Ministry of the Environment on the Acoustic Environment of Buildings was given in 2017, several sections and definitions of the first edition of the standard had gone out of date. The classification system introduced in 2004 consisting of four acoustical classes had also turned out to be too fine-grained. Thus, the second edition of the standard introduces a new classification system consisting of three acoustical classes. Another major change is updating the single-number quantities for sound insulation so that both the requirements for airborne and impact sound insulation are now given as standardized values DnT,w and L'nT,w + CI,50-2500. In the second edition, special attention has been paid to the limiting values for railway induced vibration and ground-borne noise in different buildings, like apartments, hospitals, schools, and office buildings.

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Assessment of the low-frequency procedure in the field measurements of impact sound insulation between dwellings

Cited by 7 publications

References 15 publications

Finnish Multi-Story Timber-Framed Apartment Buildings: Tampere Residents’ Perspectives

Finnish Multi-Story Timber-Framed Apartment Buildings: Tampere Residents’ Perspectives

Sound insulation of slabs in dwellings

Revision of Finnish Standard SFS 5907 on Acoustical Design and Quality Classes of Buildings

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