New PDF release: Architectural Acoustics Illustrated

By Michael Ermann

ISBN-10: 1118568494

ISBN-13: 9781118568491

Unite the technology of sound and the rules of layout to augment any space

Architectural Acoustics Illustrated interprets the quantitative and qualitative content material of acoustics into the photograph language of structure. This highly-visual consultant contains over 350 illustrations that define the physics of sound and the simplest layout practices for proscribing or mitigating noise in constructions by utilizing the most recent in fabrics and methods. each one bankruptcy encompasses a precis list of layout directions to aid hinder blunders and oversights, and the Instructor's site bargains video animations demonstrating acoustical options. Designed as a "first glance" on the interplay of sound and house, the e-book explains the rules of architectural acoustics and their useful purposes, delivering a entire consultant for designing with acoustics in mind.

Architectural acoustics is greater than simply live performance halls – it may possibly ascertain development placement, department of inside area, external development, or even siting. whilst addressed early within the layout method, the ensuing area will be freed from undesirable sound and advertise strong listening to; if left unaddressed, the issues with the distance can result in complaints and dear post-construction remediation. Architectural Acoustics Illustrated is helping designers clear up so much acoustical difficulties prematurely, through permitting readers to:

  • Understand the actual technological know-how underlying the habit of sound
  • Consider the interactions of sound and area within the preliminary layout approach
  • Mitigate construction sounds resembling these produced by means of HVAC and plumbing with early layout planning
  • Design areas for listening, and contain acoustics top practices into each plan

The hugely visible layout of the e-book is helping readers grab advanced innovations fast, and thorough dialogue of every concept's real-world software ties the technology without delay into the layout technique. All layout pros have to have a primary knowing of acoustics, and Architectural Acoustics Illustrated is a finished, useful advisor in an easy-to-read layout.

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Extra resources for Architectural Acoustics Illustrated

Example text

80) shredded fiberboard acoustical ceiling tile to the floor. 40. There is far more marble than fiberboard, so the average absorption coefficient for the whole room must be 34 Architectural Acoustics Illustrated closer to that of the marble. We therefore area‐weight the average absorption to reflect the surface area of the marble relative to that of the fiberboard. α avg absorption = α1s1 + α 2 s2 + α3s3 + … and so on Stotal Where α is the area‐weighted average absorption coefficient, “alpha‐bar” α1 is the absorption coefficient of the first surface, α2 is the absorption coefficient of the second surface, α3 is the absorption coefficient of the third surface, and so on s1 is the area of the first surface, s2 is the area of the second surface, s3 is the area of the third surface, and so on stotal is the total area of all surfaces in the room.

1970. “Sound Conditioning with Carpet. A study of acoustical properties of carpet including: sound absorption, impact noise reduction, surface noise reduction” Crocker, M. 1998. Handbook of Acoustics. John Wiley & Sons. Hoboken, NJ. Egan, M. D. 2007. Architectural Acoustics. J. Ross Publishing. Plantation, FL, pp. 46–49, 52–53. Evans E. and E. Bazley 1964. ” H. M. Stationery Office, London. Hedeen, R. 1980. Compendium of Materials for Noise Control. National Institute for Occupational Safety and Health (NIOSH), Publication no.

Many panelized assemblies, such as gypsum board over stick construction, are more sound absorbent in low frequencies and sound reflective at speech frequencies. 28 Architectural Acoustics Illustrated Higher values of the absorption coefficient accompany materials that are (a) more porous, (b) less smooth, (c) of less weight, (d) thicker (provided the thicker material is porous), (e) mounted over an airspace, or (f) of less mass (where more of the energy passes through or is translated to mechanical energy, as in a panel absorber).

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Architectural Acoustics Illustrated by Michael Ermann

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