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Now being aware of the acoustic properties of building materials to some extent would help us to have a right choice on the what material to be selected when acoustics is a concerned factor. So, it is always necessary to have a pre-planning, mainly for the building constructions that are prone to noise disturbances. The discomfort faced by the occupant residing or using it, have to go for redesigning the building for noise insulation. In many cases help from an acoustic designer is required after the building construction is complete and is occupied to high level of sound. Different types of barriers are possible, like walls, fences made of different materials, planting trees and shrubs in thick, making berms out of earth and combination of individual elements.Īcoustic Properties of Building Materials New soundproofing concepts have been developed which are related to this stage.īarriers for resisting noise, which is placed in between the noise sensitive areas and the source of noise. This would reduce the noise transmission through wall, windows, doors, ceiling and floors. The individual elements of buildings can be improved by the variation of structural element materials or internal design to facilitate good sound insulation. This stage is more concerned about the height, the room arrangement, the placement of balconies and the window. The architecture design method implements the noise reduction concepts in the details of the individual building elements. One such step is to shield the residential area or other non-sensitive activities from noises by non-residential land, or an open space or by barrier buildings. This is done by capitalizing the natural shape as well as contours of the site. The site planning method in acoustic property of buildings is to arrange the buildings on a zone of land, that would minimize severe noise impacts. So, major four actions which can be employed to reduce noise impacts, that are compatible with any type of land, activity or use are: Due to the scarcity of land as well as increasing population, the engineers are forced to undertake the available land and treat it as per our need. Techniques to Reduce Unwanted Sound in BuildingsĬertain physical techniques that are employed by engineers, architects, and builders to reduce noise impacts are explained under this section.
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The unwanted and unexpected sound is always considered to be a noise and that really is a question of the acoustic property of the building. We must keep in mind that sound insulation gives the property of how much sound is lost and not the sound regained within the room. Now if the level increase to 75dB, which is a raised voice, then the sound levels at the adjacent room will be 30 dB, which is clearly audible. If the room creates a sound of 65dB, then the receiver sitting in the adjacent room receives the sound at 20dB. For a good conventional office building construction, the sound insulation is experienced good when it is in the range of 45dB. The sound insulation property of building materials is the ability in the reduction of sound across a partition. Acoustic Properties of Rubber and Plastic.Acoustic Properties of Glass & Transparent Materials.Acoustic Properties of Wood and Related Products.Acoustic Properties of Masonry, Concrete or Stone Materials.
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Acoustic Properties of Building Materials.Techniques to Reduce Unwanted Sound in Buildings.