• Title, Summary, Keyword: 지하공간통합지도

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A Study on Establishing the Under Space Integrated Map for Safety Management of Harbor Structures (항만구조물 안전관리를 위한 지하공간통합지도 구축 방안 연구)

  • Park, Dong-Hyun;Jang, Yong-Gu
    • Proceedings of the Korean Institute of Navigation and Port Research Conference
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    • pp.139-140
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    • 2016
  • 최근 대도심지를 중심으로 빈번히 발생하고 있는 지반침하, 지반함몰, 도로붕괴 등의 지하안전사고로 인해 정부는 지하안전 대책 수립에 만전을 기하고 있다. 특히, 국토교통부는 지하공간통합지도 구축 기본계획을 수립하고 본사업에 박차를 가하여 지하공간 안전관리체계를 마련하고자 하고 있다. 그러나 국토교통부에서 구축계획하고 있는 지하공간통합지도는 서울, 부산, 대전 등 대도시를 중심으로하고 있어, 태풍, 집중호우 등에 의한 지반침하 및 함몰 등의 안전사고가 우려되는 항만구조물을 관리하기에는 어려운 실정이다. 이에 본 연구에서는 항만구조물의 안전관리를 위한 지하공간통합지도 구축 방안을 제시하였다.

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Reserch On The Fundamental Technology To Utilization Of Platform To Providing Mobile Underground Geospatial Infomation Map (모바일용 지하공간통합지도 제공 플랫폼 활용을 위한 기반 기술 연구)

  • LEE, Tae-Hyung;KIM, Hyun-Woo
    • Journal of the Korean Association of Geographic Information Studies
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    • v.23 no.4
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    • pp.173-183
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    • 2020
  • In the midst of the aging of underground facilities in urban areas and anxiety about road excavation safety accidents, the Ministry of Land, Infrastructure and Transport began to build Underground Geospatial Infomation Map from 2015 as part of the 「ground subsidence prevention measures」 and efficient use of underground spaces. So, the scope is spreading every year. The current Underground Geospatial Infomation Map information is web-based and is operated in a desktop environment, so it is true that there are some limitations in its use in a field environment such as an excavation construction site. The Underground Geospatial Infomation Map, built and operated in a web-based environment, is a large-scale 3D data. Therefore, in order to service by transmitting data to the field without delay, it is necessary to lighten the Underground Geospatial Infomation Map data. In addition, the current Underground Geospatial Infomation Map is not unified in data formats such as 3DS and COLLADA, and the coordinate system method is also different in relative coordinates and absolute coordinates. In this study, by analyzing domestic and overseas prior research and technical use cases, a mobile Underground Geospatial Infomation Map data format and a lightweight method were presented, and a technology development was conducted to create a mobile underground space integration map in the presented format. In addition, the weight reduction rate was tested by applying 3D data compression technology so that data can be transmitted quickly in the field, and technology was developed that can be used by decompressing 3D data compressed in the field. finally, it aims to supplement the technology experimentally developed in this study and conduct additional research to produce it as software that can be used in the excavation site and use it.

A Study on the Analysis of Positional Accuracy between the GPR Survey Data and Underground Space Integration Map (현장 GPR 탐사자료와 지하공간통합지도 상호위치 정확도 분석에 관한 연구)

  • SONG, Seok-Jin;CHO, Hae-Yong;HAN, Dam-Hye;KIM, Sung-Gil
    • Journal of the Korean Association of Geographic Information Studies
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    • v.23 no.4
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    • pp.208-216
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    • 2020
  • Recently, issues regarding underground safety such as sink hole, ground subsidence and damage to old underground facilities have been increasing in urban areas, raising the need for more accurate management of underground facilities. Thus, this study derived a technique for comparing spatial data of underground facilities acquired from GPR exploration results acquired at the site with spatial data of integrated underground spatial maps. Using this underground space integrated map-linked service prototype program developed through this study, comparing the location information of the GPR exploration results and the underground space integrated map for the verification of site usability in some sections around Gangnam Station, the results demonstrated that the location of the map is 0.879m maximum, minimum of 0.101m and the average fudge factor was 0.625m. If accuracy of the GPR exploration results is guaranteed, it is judged that it can be used to improve the location accuracy of the underground space integration map.

Design and Implementation of Mobile 3D Visualization Service System on the Integrated Underground Geospatial Information Map

  • Cho, Sook-Kyoung;Kim, Yong-Tae;Choi, Ja-Young
    • Journal of the Korea Society of Computer and Information
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    • v.25 no.12
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    • pp.173-186
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    • 2020
  • In this paper, we design and implement a service system for mobile devices to utilize the integrated underground geospatial information map in underground exploration fields. The field utilization service system for mobile devices is designed to visualize tiled maps, 3D terrain information, underground structures, underground facilities, and ground information provided by the Integrated Underground Geospatial Information Map Management System according to current position. And It is designed to reflect the results obtained from field exploration in real time. Also, the proposed system is implemented to transfer and visualize the integrated underground geospatial information map in the form of a glTF format due to constraints on wireless networks and device characteristics of mobile devices. Implemented mobile service systems can prevent accidents in underground exploration field from occurring by providing users with accurate and integrated underground geospatial data by visualizing maps and geospatial objects in three dimensions at underground exploration fields. In addition, updated underground geospatial data is transmitted in real time to the Integrated Underground Geospatial Information Map Management Systems, which can maintain up to date and accuracy.

Research on Improving Quality Management for Underground Space Integration Map - Focusing on pipe-type underground facilities - (지하공간통합지도 품질관리 개선방안 연구 - 관로형 지하시설물을 중심으로 -)

  • Bae, Sang-Keun;Kim, Sang-Min;Yoo, Eun-Jin
    • Journal of Cadastre & Land InformatiX
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    • v.50 no.2
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    • pp.221-235
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    • 2020
  • The development and utilization of underground spaces are increasing as the use of land based on ground surface became limited due to rapid urbanization triggered by population growth and industrialization. Despite its merit of efficient use of limited land and space, it may contribute to occurrence of various disasters such as sinkholes and damage to underground facilities. After the sinkholes formed and occurred across the country in 2014, there has been an effort to establish Underground Space Integration Map containing 15 types of underground information. Still, there is an increasing demand to improve the quality of underground information stemmed from continuation of such events including the rupture of the hot water pipe in Goyang-si and the fire in the KT site in Ahyeon-dong, Seoul. Hereby, with the aim to improve the quality of Underground Space Integration Map, this study analyzes quality standards, regulations, and guidelines related to spatial data to improve quality inspection standards and methods included in the production rules for the Underground Space Integration Map. In particular, it suggests improvement plan for data quality management for pipe-type underground facilities, known as lifelines, which are essential part of daily life of the citizens, and the largest cause for accidents according to 15 types of underground information managed through the Underground Space Integration Map.

Updated Object Extraction in Underground Facility based on Centroid (중심점 기반 지하시설물 갱신객체 추출 기술)

  • Kim, Kwagnsoo;Lee, Kang Woo;Kim, Bong Wan;Jang, In Sung
    • Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography
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    • v.38 no.6
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    • pp.553-559
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    • 2020
  • In order to prevent subsidence in urban areas, which is a major cause of damage to aging underground facilities, an integrated underground space map is being produced for systematic management of underground facilities. However, there is a problem of delaying the update time because an unupdated underground facility object is included in the process of updating the underground space integrated map. In this paper, we proposed a method to shorten the update time of the integrated map by selecting only the updated objects required for the update process of the underground space integrated map based on the central point of the underground facilities. Through the comparison of the centroid, the number of search targets is greatly reduced to shorten the search speed, and the distance of the actual location values between the two objects is calculated whether or not the objects are the same. The proposed method shows faster performance as the number of data increases, and the updated object can be reflected in the underground space integrated map about four times faster than the existing method.

A Design of Mobile Service System on the Integrated Underground Geospatial Information Map (지하공간 통합지도 관리를 위한 모바일 서비스 시스템 설계)

  • Cho, Sook-Kyoung;Cho, Young-Ji;Kim, Yong-Tae;Choi, Ja-Young;Jang, Yong-Gu
    • Proceedings of the Korean Society of Computer Information Conference
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    • pp.557-558
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    • 2020
  • 본 논문에서는 모바일 단말기에서 지하공간 통합지도 관리를 위한 서비스 시스템을 설계한다. 설계된 시스템은 현장에서 수집된 정보를 모바일 단말기에서 직접 확인 후 정합성을 검증할 수 있는 기능과 허가된 사용자만이 지도 및 지하공간 정보에 접근하여 확인 및 수정할 수 있는 기능을 가진다. 또한, 설계된 모바일 서비스 시스템을 구현하기 위해 모바일 클라이언트 모듈/현장 지원 시스템, 관리자 UI 모듈/현장 데이터 반영 모듈 간 흐름을 다이어그램으로 표현하여 제안한다.

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Precision Improvement Methodology of Geotechnical Information through Outlier Analysis (이상치 분석을 통한 3차원 지반정보 정밀도 향상 방안)

  • Lee, Boyoung;Hwang, Bumsik;Kim, Hansaem;Cho, Wanjei
    • Journal of the Korean GEO-environmental Society
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    • v.19 no.2
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    • pp.23-35
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    • 2018
  • Recently, ground disasters such as road collapses and cavities have been frequently occurred in Seoul and downtown areas. As a result, studies on the integrated underground space map is underway as a government's solution. On the other hand, the geotechnical information underlying the integrated underground space map has been being built with more than 220 thousands borehole DB informations through the Integrated DB Center of National Geotechnical Information. To build a three-dimensional integrated underground space map based on the geotechnical information, the reliability of the geotechnical information should be verified by analyzing and evaluating the precision of the geotechnical information. Thereby, studies were conducted on the precision verification and evaluation of the constructed geotechnical information. Thereafter, it has been reviewed how to utilize geotechnical information in addition to analyzing the precision of the geotechnical information in order to visualize three dimensions in geotechnical information. As a further step to the practical DB application, a module is suggested in this study to improve the precision of geotechnical information for establishing reliable three dimensional integrated underground space maps based on the previous research results.

Development of 3D Underground Utilities Processing and Partial Update Automation Technology - Focused on 3D Underground Geospatial Map - (3차원 지하시설물 가공 및 부분갱신 자동화 기술개발 - 지하공간통합지도 중심으로 -)

  • LEE, Min-Kyu;CHOI, Sung-Sik;JEON, Heung-Soo;KIM, Sung-Su
    • Journal of the Korean Association of Geographic Information Studies
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    • v.23 no.4
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    • pp.1-15
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    • 2020
  • As cities expand and underground utilities construction projects increase, there is an urgent need for a technology capable of analyzing the underground utilities network in 3D. Since 2015, 3D Underground Geospatial Map project, that has been integrating 15 types of underground information such as underground utilities, underground structures, and ground information, is in progress in S. Korea. However, the construction of 3D underground facilities is currently based on manual work and the logic for building a 3D model is very complicated. And it takes a lot of time and cost to process millions of large amounts of data per local governments. By presenting a framework on the processing and partial updating of the 3D underground utilities model, this paper aims to establish a plan to quickly build a 3D underground utility model at a minimum cost. The underground utilities processing and partial update automation technologies developed in this study are expected to be immediately applied to the 3D Underground Geospatial Map project.

A Study on Construction Plan of Geotechnical Information in Port Structures Region for Preventing Damage from Storm and Flood (풍수해 예방을 위한 항만구조물 지역 지반정보 구축 방안 연구)

  • Jang, Yong-Gu;Park, Dong-Hyun
    • Proceedings of the Korean Institute of Navigation and Port Research Conference
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    • pp.137-138
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    • 2016
  • 최근들어, 태풍, 집중호우로 인한 피해 등 국내에서는 크고 작은 풍수해를 격고 있으며, 이와 같은 풍수해는 전세계적인 이상기온의 영향으로 점차 증가하고 있다. 풍수해로 인한 피해는 지상의 구조물, 건물 등의 피해와 함께 지하시설물에 대한 피해도 증가하고 있지만, 지하공간정보의 부족으로 인하여 선제적 예방 및 신속한 대응을 통한 능동적 지하시설물 피해예방대책 수립이 어려운 실정이다. 특히, 호우로 인한 지반침하 및 함몰 등에 의한 지하시설물 피해영향분석을 위해서는 시추정보, 지질정보, 관정정보 등으로 구성된 지반정보의 활용이 절대적이다. 본 연구에서는 현재 국토교통부에서 추진 중인 지하공간통합지도 구축과 관련하여 항만구조물 지역 내 지반정보 구축 방안을 제시하고자 한다.

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