Streetscape Design Elements Approach as a Tool for Urban Soundscape Enhancement A Perspective from Ahmed Oraby Square, Alexandria, Egypt

Elmahdy, Amira and Fathi, Amira A. and Bakr, Ali (2021) Streetscape Design Elements Approach as a Tool for Urban Soundscape Enhancement A Perspective from Ahmed Oraby Square, Alexandria, Egypt. CITIES 20.50 – Creating Habitats for the 3rd Millennium: Smart – Sustainable – Climate Neutral. Proceedings of REAL CORP 2021, 26th International Conference on Urban Development, Regional Planning and Information Society. pp. 755-766. ISSN 2521-3938

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Abstract

Streetscape design is one of the disciplines that have an effective role in the quality of urban soundscape however, there is a noticeable absence of links between urban soundscape and streetscape design. This research aims to link urban soundscape with streetscape design by creating guideline for the process of enhancing and designing soundscape by employing streetscape design (elements). Therefore, enhancing designers’ skills and focusing on enhancement process of open spaces within urban design. This study examines a preference level of urban soundscapes which has been designed based on (potentials of) streetscape design elements. First, a permutation process was applied to six streetscape design elements. Each streetscape element was connected to one acoustic component of the soundscape and with road traffic noise RTN as a major source of the noise, in order to formulate soundscape design proposals. Fourteen proposed situations of soundscape design have been chosen as sample for conducting the experiment. Each situation has been used to create two audios with two sound pressure levels SPL of RTN (73 and 66 dBA) to produce 28 audios representing proposed soundscapes. A total of twenty subjects took part in a laboratory experiment to evaluate preference levels of produced audios using a scale divided into ten levels (zero for the worst and ten for the best) and 3D created shoots were displayed simultaneously with every audio. Unlike previous studies, the results showed that the soundscape preference level of multi-sounds situations (situations have three acoustic components) gained a higher percentage than singular situations when road traffic noise level at 73 dBA. In contrast, in the case of low road traffic noise level (66 dBA) the preference level is higher in singular situations than in multi-sounds situations. Finally, a four stage guideline of urban soundscape design and enhancement, based on streetscape design elements is produced which enables examination of soundscape quality before design interventions and decisions.

Item Type: Article
Uncontrolled Keywords: Sonic environment, Preference level, Design Guideline, Urban Soundscape, Streetscape Design
Subjects: H Social Sciences > HD Industries. Land use. Labor
N Fine Arts > NA Architecture
T Technology > TA Engineering (General). Civil engineering (General)
Depositing User: REAL CORP Administrator
Date Deposited: 06 Oct 2021 19:28
Last Modified: 17 Oct 2021 17:43
URI: http://repository.corp.at/id/eprint/804

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