Monitoring of Inflow Groundwater into Subway Station in South Korea

4th International Conference on Road and Rail Infrastructure (CETRA 2016)

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Field Value
 
Title Monitoring of Inflow Groundwater into Subway Station in South Korea
 
Creator Bo-Kyong Kim; UGS Convergence Research Program, Korea Railroad Research Institute, Republic of Korea
Young-Kon Park; UGS Convergence Research Program, Korea Railroad Research Institute, Republic of Korea
Sung-Jin Lee; UGS Convergence Research Program, Korea Railroad Research Institute, Republic of Korea
Jin-Wook Lee; UGS Convergence Research Program, Korea Railroad Research Institute, Republic of Korea
Sun-Il Kim; UGS Convergence Research Program, Korea Railroad Research Institute, Republic of Korea
Seong-Chun Jun; GeoGreen21 Co., Ltd., Republic of Korea
 
Subject inflow groundwater; subway; ground subsidence; monitoring; tunnel
 
Description This research carried out investigations on the hydrogeological characteristics of inflow groundwater into subway station in South Korea. It is well known that the behaviour of groundwater around urban area has greatly affected risks on ground subsidence as well as underground structures. Especially, there are many cases of urban sinkhole due to a large volume of groundwater generated during the construction and operation of subway system in South Korea. There are 16 lines of subway with 481 stations in 6 cities in South Korea, and the half of them are placed in Seoul, the capital of South Korea. About 10,000 m3/day of groundwater was inflow into subway stations in Seoul. In order to investigate the characteristics of inflow groundwater, a test-bed station was monitored for several parameters such as the volume of inflow, water temperature, and electric conductivity, etc. for several months, With geological properties of ground and environmental factors such and rainfall and surface water near the station, the station, the monitoring data was analysed to estimate their correlation and abnormal behaviour. Further studies are ongoing to setup a real-time inflow groundwater monitoring and risk assessment and risk assessment system, which would prevent risks on the underground near subway and its infrastructures.
 
Publisher CETRA 2016
 
Contributor This work was supported by the Convergence R&D program of MSIP/NST. [ConvergenceResearch-14-2-ETRI, Development of Internet of Things (IoT)-based Urban Underground Utility Monitoring and Management System]
 
Date 2017-02-28 15:17:52
 
Type Peer-reviewed Paper
 
Identifier http://master.grad.hr/cetra/ocs/index.php/cetra4/cetra2016/paper/view/555
 
Source CETRA 2016; 4th International Conference on Road and Rail Infrastructure
 
Language en
 
Rights Authors who submit to this conference agree to the following terms:<br /> <strong>a)</strong> Authors retain copyright over their work, while allowing the conference to place this unpublished work under a <a href="http://creativecommons.org/licenses/by/3.0/">Creative Commons Attribution License</a>, which allows others to freely access, use, and share the work, with an acknowledgement of the work's authorship and its initial presentation at this conference. <br /> <strong>b)</strong> Submitted full papers will be published in the book of proceedings "Road and Rail Infrastructure IV" as well as in digital form (on a CD). Conference organiser is allowed to publish author's names, institution and country as well as the paper abstract on the conference web site.
 

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