Sound Insulation between Buildings: The Impact Noise Transmission through Different Floor Configurations

The present paper examines the impact noise
transmission through some floor building assemblies. The Acoubat
software numerical simulation has been used to simulate the impact
noise transmission through different floor configurations used in
Algerian construction mode. The results are compared with the
available measurements. We have developed two experimental
methods, i) field method, and ii) laboratory method using Brüel and
Kjær equipments. The results show that the different cases of floor
configurations need some improvement to ensure the acoustic
comfort in the receiving apartment. The recommended value of the
impact sound level in the receiving room should not exceed 58 dB.
The important results obtained in this paper can be used as platform
to improve the Algerian building acoustic regulation aimed at the
construction of the multi-storey residential building.




References:
[1] Andreia Pereira, Luis Godinho, Diogo Mateus, Jaime Ramis, Fernando
G. Branco. Assessment of a simplified experimental procedure to
evaluate the impact sound reduction of floor coverings. Applied
Acoustics 79 (2014) 92–103.
[2] ISO 16251-2014: Acoustics-Laboratory measurement of the reduction of
transmitted impact noise by floor coverings on a small floor mock-up --
Part 1: Heavyweight compact floor.
[3] ISO 140-8:1997 Acoustics- Measurement of sound insulation in
buildings and of building elements -- Part 8: Laboratory measurements
of the reduction of transmitted impact noise by floor coverings on a
heavyweight standard floor.
[4] ISO 717-2: 2013 Acoustics - Rating of sound insulation in buildings and
of building elements - Part 2: Impact sound insulation.
[5] Birgit Rasmussen. Sound insulation between dwellings - Requirements
in building regulations in Europe. Applied Acoustics. 71 (2010) 373-
385.
[6] Alessandro Schiavi, Andrea Prato, Andrea Pavoni Belli. The ‘‘dust
spring effect’’ on the impact sound reduction measurement accuracy of
floor coverings in laboratory. Applied Acoustics 97 (2015) 115–120.
[7] Ha-Seog Kim, Byoungil Kim, Sang-Ki Park, Sea-Hyun Lee. An
experimental study on the effects of floor impact sounds from damping
materials using mineral binders. Building and Environment 89 (2015)
244-252.
[8] Tongjun Cho. Vibro-acoustic characteristics of floating floor system:
The influence of frequency-matched resonance on low frequency impact
sound. Journal of Sound and Vibration 332 (2013) 33-42.
[9] Algerian regulation Law: The executive decree N° 93-184 of 27 July
1993 of the regulation of the noise emission.
[10] EN 12543-2Building acoustics -- Estimation of acoustic performance of
buildings from the performance of elements -- Part 2: Impact sound
insulation between rooms.
[11] Gramez Abdelghani, Amara Mohamed "Mesures in-situ et identification
des défauts pour des bâtiments typiques", phase 2 document interne
CNERIB, 2004.
[12] J. Y. Lee, J. Kim, H. J. Chang, J. M. Kim. Long-Term Structural
Behavior of Resilient Materials for Reduction of Floor Impact Sound.
World Academy of Science, Engineering and Technology. International
Journal of Civil, Environmental, Structural, Construction and
Architectural Engineering Vol: 8, No: 5, 2014.