Research and Development of Noise Mitigation Measures for Public Housing Development in Hong Kong-A Case Study of Acoustic Balcony-猫眼课题宝

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2016

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HO JohnHL;Chimmy WM Chu

香港以其高密度的居住环境而闻名。由于土地资源有限，住宅发展项目（包括公共房屋发展项目）可能位于交通繁忙的道路或其他噪音来源附近。香港房屋委员会（房委会）一直以关怀的态度，为公共屋邨居民缔造健康的生活环境，并已采取多项消减噪音措施，以减低噪音对屋邨的影响和滋扰。根据现场环境，缓解措施可以应用于源、传播路径和/或接收器端。除了这些措施外，随着越来越多的房屋用地存在严重的噪音问题，以更具成本效益的方式进行更多创新的建筑设计变得至关重要。本文件会指涉香港的一些公共房屋发展项目，重点介绍我们最近就消减噪音的创新建筑设计所进行的研究和发展。我们将全面介绍声学阳台的演变，从概念上的弧形屏风形式到第一代声学阳台，再到最近的增强配置，以应对最严重的噪音挑战，而不会影响单位的自然通风性能。

Hong Kong is renowned for its high density living environment. With limited land sources, residential developments, including public housing developments, may be located in close proximity to heavily trafficked roads or other noise sources. Embracing a caring attitude to create a healthy living environment to our residents in public housing estates, the Hong Kong Housing Authority (HKHA) have applied a host of noise mitigation measures to reduce the impact and nuisance. Depending on the site environment, the mitigation measures can be applied at source, at propagation path and/or at receiver end. Apart from these measures, with more housing sites having severe noise issue, more innovative building design in a cost effective manner becomes essential. This paper shall highlight our recent research and development of innovative building designs on noise mitigation by making reference to some public housing developments in Hong Kong. A detailed case study will be presented holistically on the evolution of the acoustic balcony from its conceptual arc-screen form to the first generation of acoustic balcony and lately to an enhanced configuration to tackle the most severe noise challenge without compromising the performance of natural ventilation for the flats.

Research and Development of Noise Mitigation Measures for Public Housing Development in Hong Kong-A Case Study of Acoustic Balcony

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