A comprehensive analysis of time influence on floating floors: Effects on acoustic performance and occupants’ comfort

Caniato, Marco; Schmid, Chiara; Gasparella, Andrea

doi:10.1016/j.apacoust.2020.107339

Cited by 20 publications

(8 citation statements)

References 29 publications

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“…Calculations were carried out with Termolog Epix 10 [48] based on UNI 10349 for the climatic data of the zone "E", and the UNI 11235 [49], for the realization of scenarios. Moreover, some other aspects related with economic aspects of energy enhancements or related factors [50] as multiscale analysis [51], confidence intervals [52], parametric assessment [53], and acoustic performance [54,55] were considered but not reported in this paper.…”

Section: B Thermophysical and Hygrothermal Simulationmentioning

confidence: 99%

On the hygrothermal behavior of coconuts fiber insulators on green roofs

Fabbri

Tronchin

Barbieri

et al. 2020

2020 IEEE International Conference on Environment and Electrical Engineering and 2020 IEEE Industrial and Commercial Power Syst

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Coconut fibre insulators, represent an insulating material considered as "exotic", which clashes with the doubts of his thermo-hygrometric behavior, in particular, in the case of covering technology such as green roofs, a technological solution adopted in the case of sustainable buildings or nearly zero energy building. Green roofs represent a valid constructive solution with high thermal performances, adopted in existing and new buildings. The purpose of the research regards the study of the thermo-hygrometric behavior of the concrete and Cross-Laminated Timber (CLT) slabs, insulated with coconut fibre-boards (CF) such as alternative synthetic insulators, referred to 10 different green roofs scenarios. The results show that coconut fibre insulations are equally comparable to natural and synthetic materials, and their doubts for their applications, also in the green roofs, are related to technological solutions for the implementation in the market and their diffusion between the buildings materials.

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Section: B Thermophysical and Hygrothermal Simulationmentioning

confidence: 99%

On the hygrothermal behavior of coconuts fiber insulators on green roofs

Fabbri

Tronchin

Barbieri

et al. 2020

2020 IEEE International Conference on Environment and Electrical Engineering and 2020 IEEE Industrial and Commercial Power Syst

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“…Exposed wood ceiling is appealing to both designers and occupants. However, bare mass timber panels have relatively low impact sound insulation performance [1], especially in the low-frequency range [2]. The common solution is to add a floating mass topping, such as a concrete topping, to improve the impact sound insulation performance [3].…”

Section: Introduction 456mentioning

confidence: 99%

“…It was reported that the apparent impact insulation class (AIIC) of CLT slabs with only continuous concrete topping floated on various market available elastic interlayers was difficult to achieve more than 55 dBA [4]. Conventional raised floor system is normally designed to provide an even finishing floor surface and space for ducts and cables, which is not meant for attenuating impact 1 Jianhui Zhou, University of Northern British Columbia, Canada, jianhui.zhou@unbc.ca 2 Zijian Zhao, University of Northern British Columbia, Canada, zhao0@unbc.ca 3 Chenyue Guo, University of Northern British Columbia, Canada, cguo@unbc.ca sound or insulating airborne sound. The discrete raised floor system incorporates elastic mounts for vibration isolation between the raised floor assembly and the structural floor for improved sound insulation performance.…”

Section: Introduction 456mentioning

confidence: 99%

Impact Sound Insulation Performance of Raised Discrete Floating Floor Assemblies on Mass Timber Slabs

Zhou

Zhao

Guo

2023

World Conference on Timber Engineering (WCTE 2023)

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Bare mass timber structural slabs have relatively low impact sound insulation performance. Though certain floating floor assemblies on mass timber slabs can provide adequate single number ratings, such assemblies are mainly effective in the middle to high frequency range. This study presents the impact sound insulation performance of raised discrete floating floor assemblies for mass timber slabs. The raised discrete floating floor assemblies were composed of elastomer blocks, insulation materials, wood-based sheathing panels and concrete topping or cement boards. Impact sound insulation tests were conducted on a mock-up building under different excitation sources including human walking, ISO tapping machine and ISO rubber ball. The results showed that raised discrete floating floor assemblies tested in this study could improve the impact sound insulation ratings of the bare slabs by up to 41 dBA under ISO tapping machine excitation. Under different excitation sources, the impact sound pressure level spectra obtained from ISO rubber ball had similar frequency characteristics with that from human walking, though the magnitudes were higher at each octave band. The discrete raised floor without any mass topping had similar performance ( =74.3 dBA) in attenuating low frequency sound to the continuous floating concrete topping of 50 mm thickness. The advantage of the raised discrete floor assemblies with dry solution boards over the continuous floating concrete topping assemblies based on the ISO tapping machine tests did not exist with the ISO rubber ball testing. Higher topping mass resulted in lower .

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“…In South Korea, owing to the characteristics of the floor heating system with multilayer materials, various studies investigated floating floors and resilient materials [6,7]. A floating system with a resilient material is well known to be an effective construction for reducing the impact noise, and the acoustic performance of resilient materials has been actively studied [7][8][9][10][11]. In particular, resilient materials with low-dynamic stiffness were reported to be effective in reducing impact sounds [7].…”

Section: Introductionmentioning

confidence: 99%

“…In particular, resilient materials with low-dynamic stiffness were reported to be effective in reducing impact sounds [7]. Recently, Caniato et al [11] showed that the static load over time has a paramount influence on resilient material and its final performance.…”

Section: Introductionmentioning

confidence: 99%

Effects of Wall-to-Wall Supported Ceilings on Impact Sound Insulation for Use in Residential Buildings

2021

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In Korean residential buildings, floor impact sounds were reduced over the past few decades mainly through a floating floor system. However, ceiling constructions for impact sound reduction have not been applied actively because of a lack of useful information. This study focuses on the effects of wall-to-wall supported ceilings (WSC), which are designed with construction discontinuities between concrete slabs and ceilings, and the damping caused by porous absorbers for impact sound insulation. To examine the impact sound insulation according to ceiling conditions, measurements were performed in 25 floor–ceiling assemblies. The results indicate that ceiling treatment is mostly useful in reducing the floor impact sound. The floor impact sound owing to the WSC decreased by 2–7 dB and 2–8 dB in terms of the single number quantity for the tapping machine and rubber balls, respectively, compared with representative existing housing constructions wherein ceilings were attached on wooden sticks. Furthermore, the reduction effect of the WSC appeared to be more profound when it was applied to the floor–ceiling assembly with poor impact sound insulation. Thus, the WSC can be used to enhance the impact of sound insulation of existing housings without major repairs of floor structural layers.

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A comprehensive analysis of time influence on floating floors: Effects on acoustic performance and occupants’ comfort

Cited by 20 publications

References 29 publications

On the hygrothermal behavior of coconuts fiber insulators on green roofs

On the hygrothermal behavior of coconuts fiber insulators on green roofs

Impact Sound Insulation Performance of Raised Discrete Floating Floor Assemblies on Mass Timber Slabs

Effects of Wall-to-Wall Supported Ceilings on Impact Sound Insulation for Use in Residential Buildings

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