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http://dx.doi.org/10.9711/KTAJ.2017.19.1.011

A fundamental study on the development of feasibility assessment system for utility tunnel by urban patterns  

Lee, Seong-Won (Geotechnical Engineering Research Institute, Korea Institute of Civil Engineering and Building Technology)
Sim, Young-Jong (Land and Housing Institute, Korea Land and Housing Corporation)
Na, Gwi-Tae (Korea Engineering Consultant Corperation)
Publication Information
Journal of Korean Tunnelling and Underground Space Association / v.19, no.1, 2017 , pp. 11-27 More about this Journal
Abstract
The road network system of major domestic urban areas such as city of Seoul was rapidly developed and regionally expanded. In addition, many kinds of life-lines such as electrical cables, telephone cables, water&sewerage lines, heat&cold conduits and gas lines were needed in order for urban residents to live comfortably. Therefore, most of the life-lines were individually buried in underground and individually managed. The utility tunnel is defined as the urban planning facilities for commonly installing life-lines in the National Land Planning Act. Expectation effectiveness of urban utility tunnels is reducing repeated excavation of roads, improvement of urban landscape; road pavement durability; driving performance and traffic flow. It can also be expected that ensuring disaster safety for earthquakes and sinkholes, smart-grind and electric vehicle supply, rapid response to changes in future living environment and etc. Therefore, necessity of urban utility tunnels has recently increased. However, all of the constructed utility tunnels are cut-and-cover tunnels domestically, which is included in development of new-town areas. Since urban areas can not accommodate all buried life-lines, it is necessary to study the feasibility assessment system for utility tunnel by urban patterns and capacity optimization for urban utility tunnels. In this study, we break away from the new-town utility tunnels and suggest a quantitative assessment model based on the evaluation index for urban areas. In addition, we also develop a program that can implement a quantitative evaluation system by subdividing the feasibility assessment system of urban patterns. Ultimately, this study can contribute to be activated the urban utility tunnel.
Keywords
Common utility tunnel; Feasibility assessment system; Capacity optimization; Urban pattern;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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