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2020 Vol.22, Issue 2 Preview Page

Research Paper

A study on the structural safety of middle slab in double deck tunnel under live loads

활하중에 대한 복층터널 슬래브의 구조적 안전성에 관한 연구

Tae Kyun Kim1
,
Se Kwon Kim2*
,
Hyun Jun Kim2
,
Chang Young Kim3
,
Wan Kyu Yoo4
,
Sung-Pil Hwang4
김 태균1
,
김 세권2*
,
김 현준2
,
김 창용3
,
유 완규4
,
황 성필4
1CEO, Hong G Co., Ltd.
2Senior Researcher, Hong G Co., Ltd.
3Head of Future Infrastructure Research Center, Korea Institute of Civil Engineering and Building Technology
4Senior Researcher, Korea Institute of Civil Engineering and Building Technology
1비회원, (주)홍지 대표이사
2비회원, (주)홍지 선임연구원
3정회원, 한국건설기술연구원 차세대인프라연구센터장
4정회원, 한국건설기술연구원 수석연구원
* Corresponding Author
31 March 2020. pp. 171-183
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Abstract

The purpose of this study is to analyze in advance the problems and improvements that may occur during the construction of intermediate slabs and the loading of intermediate slabs through the preliminary structural safety evaluation of intermediate slabs for Test bed structures in deep depth tunnels. The Test bed construction can verify and confirm the results of the design and construction technology development of large depth double deck tunnel through the process, and can also be used as a learning site for engineers and the general public to speed up the time of underground space development. There will be an opportunity to do this. In particular, the design load of middle slab built inside the circular deep-depth double-sided tunnel cross- section varies depending on the construction method and the construction equipment load used. Class 3 truck load of KL-510 assumed to be common load to upper and middle slab during loading and installation is loaded on upper and lower slab with different working position for each load combination Analyzed.

Keywords
Double deck tunnel
Middle slab
Test bed
Construction equipment load
Common load

이 연구의 목적은 대심도 복층터널 Test Bed 구조물에 대한 슬래브의 사전 구조안전성 평가를 통해 슬래브의 가설시와 공용하중 작용시에 발생 가능한 문제점과 개선점을 미리 분석하는 것이다. 대심도 복층터널의 설계 및 시공기술개발의 성과물을 Test Bed 구축을 과정을 통해 검증하고 확인할 수 있으며, 엔지니어 및 일반인들의 학습현장으로도 활용할 수 있어 지하공간 개발의 시기를 더욱 앞당길 수 있는 계기가 마련될 것이다. 특히, 원형의 대심도 복층터널 단면 내부에 구축되는 슬래브는 시공방법과 사용하는 시공장비에 따라 설계하중이 달라지며, 이번 Test Bed 구조체는 그 내부에 상부 슬래브 및 풍도슬래브를 전용 가설장비를 이용하여 설치하는 동안 가설장비하중과 상 ‧ 하부 슬래브에 공용하중으로 가정된 KL-510의 3등급 트럭하중을 하중조합별 작용위치를 달리하며 상 ‧ 하부 슬래브에 각각 재하하여 그 영향을 분석하였다.

키워드
복층터널
슬래브
테스트베드(Test bed)
가설장비하중
공용하중
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 : 22
  • No :2
  • Pages :171-183
  • Received Date : 2020-02-03
  • Revised Date : 2020-03-23
  • Accepted Date : 2020-03-24
  • DOI :https://doi.org/10.9711/KTAJ.2020.22.2.171
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