The use of in-situ test method EN 1793-6 for measuring the airborne sound insulation of noise barriers
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DOI: 10.1016/j.apacoust.2016.09.006
Abstract: Abstract The in situ measurement of the airborne sound insulation, as outlined in EN 1793-6:2012, is becoming a common means of quantifying the performance of road traffic noise reducing devices. Newly installed products can be… read more here.
Keywords: airborne sound; method; noise; sound insulation ... See more keywords
Translation between existing and proposed harmonized airborne sound insulation descriptors: A statistical approach based on in-situ measurements
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DOI: 10.1016/j.apacoust.2016.09.017
Abstract: Abstract A standard defining a common acoustic classification scheme for dwellings is under development by ISO TC42/SC2/WG29 based on the outcomes of European project COST Action TU0901. The proposal stands on the assumption that in… read more here.
Keywords: translation; frequency range; airborne sound; sound insulation ... See more keywords
Effect of outdoor noise and façade sound insulation on indoor acoustic environment of Italian schools
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DOI: 10.1016/j.apacoust.2017.05.023
Abstract: Abstract The paper deals with the effect of outdoor noise mainly due to traffic and facade sound insulation on indoor noise level and speech intelligibility in classrooms. Results refer to the complete building stock of… read more here.
Keywords: italian schools; school; insulation; noise ... See more keywords
Translation between existing and proposed harmonized impact sound insulation descriptors and alignment within a proposed common acoustic classification scheme for buildings
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DOI: 10.1016/j.apacoust.2017.07.025
Abstract: Abstract An international standard defining a common acoustic classification scheme for dwellings is under development by ISO TC43/SC2/WG29, based on the outcomes of the European project COST Action TU0901. The proposal offers an opportunity for… read more here.
Keywords: acoustic classification; translation; impact sound; sound insulation ... See more keywords
Sound insulation properties of two-layer baffles used in vibroacoustic protection
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DOI: 10.1016/j.apacoust.2019.07.028
Abstract: Abstract The subject of the research presented in the article was the modelling of acoustic properties of two-layer baffles, used in vibroacoustic protection. Baffles of this type are used, among others, in the construction of… read more here.
Keywords: two layer; insulation; used vibroacoustic; layer baffles ... See more keywords
Acoustic classification of building façades using statistical methods
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DOI: 10.1016/j.apacoust.2020.107653
Abstract: Abstract Indoor acoustic comfort under existing outdoor noise generally depends on the sound insulation characteristics of the building facade. The importance of the acoustic classification of dwelling facade among the classification of other building elements… read more here.
Keywords: noise levels; building; acoustic classification; noise ... See more keywords
Shape optimization of studs in double-leaf plasterboard walls for maximal broadband sound insulation and minimal material use
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DOI: 10.1016/j.apacoust.2021.108307
Abstract: Abstract The cross-sectional shape of the metal studs in a double-leaf wall has a significant influence on its sound insulation. In a recent study, a numerical optimization of the stud shape resulted in designs that… read more here.
Keywords: optimization; insulation; material use; stud ... See more keywords
Assessment of the low-frequency procedure in the field measurements of impact sound insulation between dwellings
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DOI: 10.1016/j.apacoust.2021.108399
Abstract: In 2015, the new standard ISO 16283-2 for field measurements of impact sound insulation introduced a lowfrequency procedure (LF-procedure) for measuring impact sound pressure levels and reverberation times at three 1/3-octave bands below 100 Hz.… read more here.
Keywords: procedure; field measurements; sound insulation; impact sound ... See more keywords
High sound insulation property of prepared polypropylene/polyolefin elastomer blends by combining pressure-induced-flow processing and supercritical CO2 foaming
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DOI: 10.1016/j.coco.2021.100958
Abstract: Abstract Light weight, high sound insulation property polymers have vast potential application in aviation, auto industry and the military application. Pressure induced flow (PIF) process form multi-layer-oriented structure in polymer matrix, and supercritical CO2 foaming… read more here.
Keywords: insulation property; property; high sound; sound insulation ... See more keywords
On the efficiency of impact sound insulation systems on prefabricated lightweight floor and on standard homogeneous base-floor
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DOI: 10.1016/j.engstruct.2019.04.070
Abstract: Abstract Considering the impact noise as a major social issue in many countries, extensive work have been developed aimed at reducing the noise level in dwellings. Laboratory tests were carried out to investigate the acoustic… read more here.
Keywords: insulation systems; efficiency impact; sound insulation; impact sound ... See more keywords
Lightweight, super-elastic, and thermal-sound insulation bio-based PEBA foams fabricated by high-pressure foam injection molding with mold-opening
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DOI: 10.1016/j.eurpolymj.2018.04.002
Abstract: Abstract Polyether block amide (PEBA) is a thermoplastic elastomer that offers a unique combination of low density, flexibility, small hysteresis and excellent flex fatigue resistance. Foaming is an effective method to save material, reduce weight,… read more here.
Keywords: mold opening; foam; peba foams; insulation ... See more keywords