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2014 Vol.16, Issue 5 Preview Page
Consideration on design procedure of room-and-pillar underground structure part I: parametric study

주방식 지하구조물의 설계 방법 고찰 Part I: 매개변수 연구

Chulho Lee1
,
Jedon Hwang2
,
Eunhye Kim3
,
Soo-Ho Chang4*
이 철호1
,
황 제돈2
,
김 은혜3
,
장 수호4*
1Research Specialist, Geotechnical Engineering Research Division, SOC Research Institute, Korea Institute of Civil Engineering and Building Technology
2President, ESCO Consultant & Engineers Co., Ltd.
3Engineer, ESCO Consultant & Engineers Co., Ltd.
4Research Fellow, Geotechnical Engineering Research Division, SOC Research Institute, Korea Institute of Civil Engineering and Building Technology
1한국건설기술연구원 SOC성능연구소 Geo-인프라연구실 전임연구원
2㈜에스코컨설턴트, 사장
3㈜에스코컨설턴트, 대리
4한국건설기술연구원 SOC성능연구소 Geo-인프라연구실 연구위원
*교신저자. *Corresponding Author. 
30 September 2014. pp. 487-495
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Abstract

In this study, in order to suggest the design method for supports in the room-and-pillar underground structure, the case study was carried out. In the case study, shape of rock pillar and room was mainly considered. From the analysis, a displacement at the roof, the maximum principle stress and plastic state were examined. To optimize variables in the case study, cases from the Seoul metro station were analyzed, then a target depth of the underground structure and ground conditions were determined. And the height of rock pillar and room were chosen from the assumed purpose of underground space, i.e. living/office and warehouse. Total cases of analysis was 180 cases including 3 types of ground condition, 5 types of rock pillar and 6 types of roof span. It is expected that results from analysis can be used to determine the installation of support in room-and-pillar underground structure with stability, utilization efficiency of underground space and applicability of vehicles.

Keywords
Room and pillar method
Support
Numerical analysis
Design
Stability
Parametric study

본 연구에서는 주방식 지하구조물에서 지보재 설계를 위한 매개변수 연구를 수행하였다. 지보재 설계에 앞서 설계에 필요한 암주와 공간의 형상별 천단변위, 최대 주응력, 소성영역에 대한 해석을 수행하였다. 해석에 사용할 매개변수를 최적화 하기위해 주방식 지하구조물의 대상 심도와 지반 조건은 기존 지하철 정거장 건설 사례를 분석하여 결정하였으며 지하공간의 활용 목적에 따라 암주의 형상과 공간의 형상을 설정하여 총 180가지의 경우를 선택하였다. 매개변수 해석을 통해 획득한 결과는 향후 지하구조의 안정성과 공간 활용성, 시공장비의 적용성을 고려하여 지보재 설계와 설치 여부를 판단할 수 있는 근거자료로 활용될 수 있을 것으로 판단된다.

키워드
주방식 공법
지보재
수치해석
설계
안정
매개변수 연구
References
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Information
  • Publisher :Korean Tunneling and Underground Space Association
  • Publisher(Ko) :한국터널지하공간학회
  • Journal Title :Journal of Korean Tunnelling and Underground Space Association
  • Journal Title(Ko) :한국터널지하공간학회 논문집
  • Volume : 16
  • No :5
  • Pages :487-495
  • Received Date : 2014-09-02
  • Revised Date : 2014-09-19
  • Accepted Date : 2014-09-22
  • DOI :https://doi.org/10.9711/KTAJ.2014.16.5.487
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