Journal of the Architectural Institute of Korea Planning & Design (대한건축학회논문집:계획계)

Architectural Institute of Korea (대한건축학회)
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Changes in Accessibility of Seoul Metropolitan Area by the Construction of Additional Urban Railway

도시철도 추가 건설에 따른 서울시 역내 지역별 접근성 변화

  • 이상현 (명지대학교 건축대학 건축학부) ;
  • 김옥연 (명지대학교 대학원)
  • Received : 2019.03.18
  • Accepted : 2019.12.17
  • Published : 2019.12.27
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Abstract

The goal of this study is to quantitatively evaluate the effects of the additional construction of urban railroads. To this end, 1) establish accessibility as a measure of quantitative evaluation of construction effects; 2) select the 'Integration' of Space Syntax as a quantifiable indicator of accessibility; 3) represent the Seoul railroads as a network; 4) calculate the 'Integration' form the network before and after the additional construction of the urban railroads. By calculating the change of the 'Integration' of the individual nodes and the change of the sum of the 'Integration' of given zones, the change in accessibility of a particular node and the change in accessibility of a particular region were calculated. After analyzing the change in accessibility in nodes and areas as well, it was confirmed that the additional construction of urban railroads was improving accessibility as a whole of Seoul. It was also identified that there was a degree of difference in the extent of the accessibility change for the different areas. It is particularly noteworthy that changes occur in the accessibility ranking. While certain regions were improving relative rankings, others fell in rank. With this finding, it could be argued that active consideration of the areas in which the relative decline occurs is needed when the planned urban railroad is being built.

Keywords

Acknowledgement

Supported by : 한국연구재단

이 연구는 2019년도 한국연구재단 연구비 지원에 의한 결과의 일부임. 과제번호: 2019R1F1A1058574

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