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CANARINA:
Air
CUSTIC:
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Barrières · isolation polystyrène
La barrière anti-bruit ou d'une barrière acoustique est destiné à réduire la propagation du bruit. Le système est utilisé pour protéger les endroits habités par le bruit des routes, autoroutes, chemins de fer ou de centres industriels. Les bâtiments sont aussi le bruit des obstacles.
(1) Source de bruit Barrière.- Avec cette commande, vous pouvez dessiner les obstacles, en cliquant deux fois sur l'écran de l'ordinateur. La barrière peut être enlevé en utilisant la commande SUPPRIMER (de la même commande pour supprimer la source).
Le programme calcule la région ombrée et s'applique d'absorption acoustique (atténuation de la barrière).
Le calcul est plus précis si nous introduisons de nombreux obstacles (et pas seulement un). Exemple: Un obstacle:
A partir de barrière 4, le calcul converge.
Nous courons le même modèle que la ville de Londres et de Hong Kong.
6.1 The Highways Agency (1994) Design Manual for Roads and Bridges, Volume 10, Environmental Design, Section 5, Environmental Barriers, Part 1, Design Guide for Environmental Barriers, HMSO, London. 6.2 The Highways Agency (1995) Design Manual for Roads and Bridges, Volume 10, Environmental Design, Section 5, Environmental Barriers, Part 2, Environmental Barriers: Technical Requirements, HMSO, London. 6.3 The Highways Agency (1994) Manual of Contract Documents for Highway Works Volume 1 Specification for Highway Works Series 2500 Special Structures 6.4 U.S. Department of Transportation Federal Highway Administration (1976) A Guide to Visual Quality in Noise Barrier Design. California Department of Transportation (1997) Technical Noise Supplement 1st Draft 6.6 Benz Kotzen and Colin English (1998) Environmental Noise Barriers: A Guide to their Acoustic and Visual Design,E & FN Spon, London 6.7 David C Hothersall and Richard J Salter (1977) Transport and the Environment, Crosby Lockwood Staples, London 6.8 Ian Sharland (1986) Woods Practical Guide to Noise Control, Woods of Colchester Limited 6.9 Environmental Protection Department, Application of Screening Structure to Abate Noise from Surface Transportation, Environmental Protection Department, Hong Kong 6.10 Environmental Protection Department (2000) Housing Design to Abate Traffic Noise in Hong Kong, Environmental Protection Department, Hong Kong 6.11 Environmental Protection Department (2001) Screening Structures and Building Designs against Transportation Noise in Hong Kong, Environmental Protection Department, Hong Kong 6.12 Hong Kong Government (1991) Environmental Guidelines for Planning in Hong Kong, an Extract from the Hong Kong Planning Standards & Guidelines 6.13 Hong Kong Government (1997) Environmental Impact Assessment Ordinance 6.14 Hong Kong Government (1997) Technical Memorandum on Environmental Impact Assessment Process 6.15 Highways Department (2001) Particular Specification for Noise Barriers, Highways Department, Hong Kong 6.16 Highways Department (2002) Final Report of the Noise Enclosure Lighting - Engineering Study, Highways Department, Hong Kong
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