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2021 Vol.20, Issue 4 Preview Page

Research Article

Stability Analysis of Pipe Rack Module for Underground Complex Plants Construction

복합플랜트 지하 건설을 위한 파이프랙 모듈 공법 안정 해석

Sewon Kim1
,
Sangjun Lee2
,
YoungSeok Kim3*
김 세원1
,
이 상준2
,
김 영석3*
1Member, Researcher, Department of Geotechnical Engineering Research, Korea Institute of Civil Engineering and Building Technology, 283 Goyangdae-Ro, Ilsanseo-Gu, Gyeonggi-Do 10223, Republic of Korea
2Non-Member, Vice-president, R&D Center, ANTS E&C Inc., 2066, 23-301 Seobu-ro, Jangan-gu, Suwon-si, Gyeonggi-do 16419, Republic of Korea
3Member, Senior Research Fellow, Northern Infrastructure Specialized Team, Korea Institute of Civil Engineering and Building Technology, 283 Goyangdae-Ro, Ilsanseo-Gu, Gyeonggi-Do 10223, Republic of Korea
*Corresponding Author
31 December 2021. pp. 113-124
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Abstract

Underground environmental infrastructure and energy production facilities, which are recognized as avoidable facilities such as landfills, are emerging as an important social issue due to urbanization and economic growth. In order to safely construct a large-scale plant facility in the underground space, it is necessary to increase the utilization of the limited space layout and minimize unnecessary columns. In this study, the plant modularization method(Pipe Rack Module) was reviewed to solve the problems of work constraints, assembly and demolition, process system interconnection, and maintenance that occur when plant facilities are underground. In addition, plant module analysis was performed by applying various load conditions (earthquake load, device load, earth pressure load, etc.) to improve spatial layout usability and secure structure stability. Based on the analysis results under various boundary condition, the implications regarding the minimum installation interval and module arrangement (draft) of basic modules required for the construction of an underground combined plant were derived.

Keywords
Underground Space
Complex Plant
Pipe rack
Module
Structure analysis

도시화 및 경제성장에 따라 기존 매립지 등 기피 시설로 인식되어 있는 지상 환경기초시설 및 에너지생산 시설의 지하화가 중요한 사회적 이슈로 대두되고 있다. 대규모 플랜트 시설을 지하에 안전하게 건설하기 위해서는 제한적인 공간 레이아웃의 활용성을 높이고, 불필요한 기둥을 최소화해야 한다. 본 논문에서는 플랜트 시설을 지하화 할 경우 발생하는 작업의 제약여건, 조립 및 철거, 공정 계통의 연계성, 유지 보수 등의 문제를 해결하기 위하여 플랜트 모듈화 공법(파이프랙)에 대해 검토하였다. 복합플랜트의 지하 고집적 배치, 공간 레이아웃 활용성 향상 및 구조물 안정성 확보를 위해 다양한 하중조건(지진하중, 장치하중, 토압하중 등)을 적용한 플랜트 모듈 해석을 수행하였다. 또한, 작용하중과 부재가 견딜 수 있는 설계강도비 값을 검토하고 모듈 형상에 따른 안정성을 고려한 파이프랙 소재를 추출하였다. 다양한 경계조건에서의 해석 결과를 바탕으로 지하복합플랜트 건설 시 필요한 기본모듈의 최소 설치 간격 및 모듈 배치(안)에 관한 시사점을 도출하였다.

References
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Information
  • Publisher :Korean Geosythetics Society
  • Publisher(Ko) :한국지반신소재학회
  • Journal Title :Journal of the Korean Geosynthetics Society
  • Journal Title(Ko) :한국지반신소재학회 논문집
  • Volume : 20
  • No :4
  • Pages :113-124
  • Received Date : 2021-11-23
  • Revised Date : 2021-12-07
  • Accepted Date : 2021-12-08
  • DOI :https://doi.org/10.12814/jkgss.2021.20.4.113
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