The acoustical performance of self-protecting buildings

Oldham, D.J.; Mohsen, Effat A.

doi:10.1016/0022-460x(79)90903-9

Cited by 9 publications

(4 citation statements)

References 8 publications

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“…On average, a~5 dB insertion loss was recorded for a closed form balcony. Oldham and Mohsen [38] have also completed a theoretical analysis on the acoustical protection of a standalone balcony on a building façade.…”

Section: Balconiesmentioning

confidence: 99%

A Review on Natural Ventilation-enabling Façade Noise Control Devices for Congested High-Rise Cities

Tang

2017

Applied Sciences

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Abstract:This review summarizes the current status of the research and development of natural ventilation-enabling noise control devices for use on the façades of high-rise residential buildings in congested cities. These devices are important for a sustainable urbanized city, as they are supposed to offer good acoustical protection to citizens, allowing for an acceptable level of natural ventilation inside residential units; energy for mechanical ventilation can then be saved. From the information presented in the existing literature, it is concluded that protrusive devices, such as lintels and balconies, are not effective noise screening devices, even if they are installed with sound absorbers and/or reflectors, under the effect of city reverberation. On the contrary, plenum windows and similar structures, which are plenum structures with a staggered air inlet and outlet, are interesting alternatives that are worth rigorous considerations.

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Section: Balconiesmentioning

confidence: 99%

A Review on Natural Ventilation-enabling Façade Noise Control Devices for Congested High-Rise Cities

Tang

2017

Applied Sciences

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“…1 However, evidence from field studies and laboratory investigations (for instance, those of May 2 and Tang 3 ) has shown that such protection behind balconies on high-rise building façades is very limited, and noise amplification can result from balcony ceiling reflections. Despite this fact, balconies are welcomed by many people because they can provide an extra living space for various functions that cannot be accommodated by conventional indoor spaces.…”

Section: Introductionmentioning

confidence: 99%

Insertion losses of balconies on a building façade and the underlying wave interactions

Tang

Tso

2014

The Journal of the Acoustical Society of America

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This study used scale model experiments to investigate the insertion losses of balconies on a building façade in the presence of ground reflections. The experiments measured both A-weighted broad- and narrowband insertion loss spectra. The underlying wave interactions/interferences and their couplings with and without reflections from the balcony ceilings were also examined in detail, and these findings were related to the dimensions and elevations of the balconies. The findings indicate that the ground and ceiling reflections and their interferences with the direct sound play very important roles in shaping the frequency characteristics of the insertion losses. Strong sound attenuation can be attained with a carefully designed geometry and acoustical properties of the balcony and the balcony ceiling.

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“…Most frequently,t he action is undertaken in the vertical direction by introduction of balconies or terraces, which play arole of screens parallel to aroad. The early studies were based on the scale model experiments [10,11]. Currently,the detailed analytical field description is applied to observethe benefits of introduced changes in the propagation process.…”

Section: Introductionmentioning

confidence: 99%

Façade Shaping as Local Means Protecting Against Traffic Noise

Janczur¹,

Walerian²,

Czechowicz³

2011

Acta Acustica united with Acustica

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Based on the simulation program, it is possible to modify as hape of ab uilding façade to obtain favourable conditions of acoustical climate. The favourable conditions are searched for in af orm of ar ecess in ab uilding façade creating avertical niche. Observing the recess parameters and the building position in relation to the road, the range of the total positive effect is defined. The applied simulation program considers ar oad structure and trafficcomposition as well as influence of surrounding objects. Adjusting the modelling accuracy, the simulation model validation range is defined. The comparison with the field measurements showed that the simulation model could be applied for upper floors of the high-rise building. Forthis range, the obtained results can be applied in designing of the noise abatement means. PACS no. 43.50.Lj, 43.50.Rq ACTA ACUSTICA UNITED WITH ACUSTICA Janczur et al.:F açade shaping against traffic noise Vol. 97 (2011)

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The acoustical performance of self-protecting buildings

Cited by 9 publications

References 8 publications

A Review on Natural Ventilation-enabling Façade Noise Control Devices for Congested High-Rise Cities

A Review on Natural Ventilation-enabling Façade Noise Control Devices for Congested High-Rise Cities

Insertion losses of balconies on a building façade and the underlying wave interactions

Façade Shaping as Local Means Protecting Against Traffic Noise

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