Measurement of the Acoustic Properties of Resilient, Statically Tensile Loaded Devices in Lightweight Structures

Brunskog, Jonas; Hammer, Per

doi:10.1260/135101002760164562

Cited by 14 publications

(8 citation statements)

References 7 publications

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“…The study of the connection type has been omitted but this is an important issue that should be analysed by means of three-dimensional models [7]. The literature review of Section 2 reveals that resilient devices tested in the laboratory are usually characterised by means of a four-pole parameter analysis [23] (also called two-port parameter analysis in [28]), but double wall models usually consider the stud to be a translational or rotational elastic spring.…”

Section: The Characterisation Methodsmentioning

confidence: 99%

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The Role of Studs in the Sound Transmission of Double Walls

Poblet-Puig¹,

Ferran²,

Guigou‐Carter³

et al. 2009

Acta Acustica united with Acustica

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Steel studs are used in double walls to provide structural stability. This creates a vibration transmission path between leaves that can often be more critical than the airborne path through the cavity. Some of the existing models for sound transmission consider the studs as elastic springs. The spring stiffness may be taken as the cross-section elastic stiffness of the stud, but this leads to an underestimation of the vibration transmission. A procedure to obtain more accurate parameters to be used in vibration and sound insulation models is presented. The results show that they must be obtained from dynamic models and/or experiments.

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Section: The Characterisation Methodsmentioning

confidence: 99%

“…Some guidelines are proposed in order to increase the frequency range where the method is valid. In [28] an extensive review of measurement techniques on resilient elements can be found. Moreover an iterative procedure that corrects some of the simplifications done in the indirect technique is proposed.…”

Section: Experimental Measurementsmentioning

confidence: 99%

The Role of Studs in the Sound Transmission of Double Walls

Poblet-Puig¹,

Ferran²,

Guigou‐Carter³

et al. 2009

Acta Acustica united with Acustica

View full text Add to dashboard Cite

show abstract

“…They also reported that lightweight steel studs exhibited better sound insulation performance than wood studs in a sound insulation experiment. Meanwhile, previous studies related to methods that use resilient channels were conducted with a focus on the geometry or thickness of resilient channels and the difference in sound insulation performance depending on the panel types attached to resilient channels [19][20][21]. Bradley and Birta mentioned that a resilient structure is a mass-air-mass system in which resilient channels serve as springs and the attached panels serve as the mass and conducted modeling research on the sound insulation performance of such resilient structures [21].…”

Section: Introductionmentioning

confidence: 99%

Evaluation of Construction Cost, Time, and Sustainable Attributes of Drywalls Supported by Resilient Channels

Kim

Jeon

2020

Sustainability

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In this study, a gypsum board wall was developed using resilient channels to improve sound insulation performance, constructability, and economic efficiency; the effect of the application of the developed wall on skyscrapers and long-term housing, one of the main forms of modern buildings, was also comprehensively evaluated. Resilient channels were inserted and fixed to ensure the constructability was suitable for high-rise buildings. In addition, the sound insulation performance, durability of the wall, CO2 emissions, and life-cycle cost (LCC), which are key elements for economic efficiency, constructability, and sustainability, were analyzed. The developed lightweight gypsum board drywall with resilient channels was compared with a concrete wall as well as a double stud gypsum board wall, which has been most widely used among existing drywalls. The sound insulation performance and durability were evaluated in a laboratory, and the other items were evaluated after constructing the walls in a hotel building with an area of 2956 m2. The evaluation results show that the developed wall exhibited a 3 dB higher sound insulation performance than the concrete wall, even though it was thinner by 50 mm, and the wall secured the grade of “severe duty” (SD) based on the BS 5234-2 standard in durability evaluation, indicating that it can sufficiently replace concrete walls. Moreover, when the developed wall was installed in an actual building and compared with a concrete wall, a 14.7% reduction in construction cost, 59% reduction in CO2 emissions, and 30.4% reduction in the LCC of the drywall, considering even the remodeling and dismantling stages of the building, were observed. Therefore, it was proven that the newly developed resilient channel drywall with improved constructability has significant value in terms of sound insulation performance, economic efficiency, safety, and eco-friendliness.

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“…Their model can derive a resilient bar's stiffness, but again, does not explain how specific resilient bar features provide the said stiffness. Dynamic stiffness tests on small resilient bar specimens [13] only covered their vertical stiffness as they restricted rotational motion, whereas resilient bars are threedimensional and asymmetrical: many other facets govern their in situ behaviour [8].…”

Section: Introductionmentioning

confidence: 99%

Vibration Insulation Properties of Resilient Bars in Timber Floors

Fairfield

Smith

2010

Building Acoustics

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As effective, low-cost isolators, resilient bars have become the dominant ceiling treatment for improving the sound insulation of apartment timber floors in the UK to meet increasingly stringent building regulations. There are many variations on the resilient bar theme available on the market, many differing only in their detailed features. Their acoustic performances are not however, consistent. This research investigated the isolating effects of resilient bars from four perspectives: that of their rotational resilience when acting as a spring hinge, considering their base flange as a spring, their ceiling flange as a spring and examining the spring effect provided by the bar in its longitudinal direction. Two types of experiment were designed: vibration transmission tests at 31.5 Hz р f р 5000 Hz on a small-scale timber floor model, and static stiffness tests on small resilient bar specimens. Data revealed the relative importance of key features while providing improved design guidance.

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Measurement of the Acoustic Properties of Resilient, Statically Tensile Loaded Devices in Lightweight Structures

Cited by 14 publications

References 7 publications

The Role of Studs in the Sound Transmission of Double Walls

The Role of Studs in the Sound Transmission of Double Walls

Evaluation of Construction Cost, Time, and Sustainable Attributes of Drywalls Supported by Resilient Channels

Vibration Insulation Properties of Resilient Bars in Timber Floors

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