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http://dx.doi.org/10.9711/KTAJ.2019.21.4.535

A study on the effects of skylight in commercial underground space - with focus on the employees of underground streets in Japan  

Lee, Gahng-Ju (Dept. of Architecture, Changwon National University)
Publication Information
Journal of Korean Tunnelling and Underground Space Association / v.21, no.4, 2019 , pp. 535-543 More about this Journal
Abstract
This study examined the empirical meaning of skylight in underground space, and for this purpose, 29 questions were drawn, consisting of technical performance, functional performance, and behavioral performance. In addition, under the assumption that the meaning of the skylight will be clearly revealed through the comparison between the underground streets with and without the skylight, three underground streets with the skylight and three underground streets without the skylight of Japan were selected as the subjects of the study. Based on the results of the survey, descriptive statistical analysis and frequency analysis were conducted, and an independent sample T-test was conducted for each analysis, and correlation analysis was conducted to derive improvement priority. As a result of the analysis, it was found that skylight had a certain effect on the sense of time and imageability inside the underground commercial space. In addition, it was analyzed that skylight exerted important function in the qualitative aspect of underground commercial space. Lastly, the improvement rankings for three underground streets without skylight were derived in the order of sign/guide map, space diversity, maintenance, rest space, and floor design.The improvement rankings for three underground streets with skylight were drawn in order of resting space, diversity of space, temperature and humidity, air, and maintenance.
Keywords
Underground space; Skylight; Sense of time; Imageability; Quality of space;
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