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Research Paper

A study on performance-based evaluation system for NATM tunnels in use: development of evaluation model and validation

공용중인 NATM 터널의 성능중심 평가체계 연구: 평가모형 개발 및 검증

Joon-Shik Moon1
,
Hong-Kyoon Kim2*
,
Jai-Wook An3
,
Jong-Gun Lee4
문 준식1
,
김 홍균2*
,
안 재욱3
,
이 종건4
1Associate Professor, Dept. of Civil Engineering, Kyungpook National University
2General Manager, Dept. of Ground Safety, KISTEC
3Manager, Dept. of Ground Safety, KISTEC
4General Manager, Dept. of Ground Safety, KISTEC
1정회원, 경북대학교 토목공학과 교수
2정회원, 한국시설안전공단 지반안전실 부장
3비회원, 한국시설안전공단 지반안전실 과장
4비회원, 한국시설안전공단 지반안전실 부장
* Corresponding Author
31 January 2020. pp. 107-120
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Abstract

In a performance-based evaluation of structures in use, the current performance is assessed by summing up the weighting of the evaluation indices for each performance. In this study, to suggest a performance-based evaluation technique for NATM tunnels in use, the performance evaluation indices were derived by examining the characteristics and similarities of each index developed from previous study. The weighting of the evaluation indices was derived by calculating the relative importance of each evaluation indices from the AHP analysis. In order to develop a quantitative evaluation model, grading criteria for each performance index was derived through literature review, and performance evaluation tables for road and railway tunnels were presented. In order to verify the significance of the proposed performance evaluation model, the correlation analysis was performed between each evaluation index and the final evaluation result. In the correlation analysis, the survey data measured through precision safety diagnosis in the tunnel in use was applied. It may be said that the proposed evaluation indices, weighting, criteria and evaluation models for tunnels

Keywords
NATM tunnel
Performance evaluation
Multi-criteria decision method
Correlation analysis

공용중인 시설물의 성능기반 평가에서 보유 성능은 성능별 평가지표를 유목화 한 후 각 성능에 대한 평가지표의 중요도를 고려하여 가중평균하여 평가한다. 본 연구에서는 NATM 터널의 성능기반 평가기법을 제시하기 위해 이전 연구에서 도출된 평가지표의 지표별 특성과 유사성 등을 분석하여 최종 평가지표를 도출하였다. 평가지표별로 상대적 중요도를 산출하여 평가지표의 가중치를 도출하였다. 정량적인 평가모형을 개발하기 위하여 지표별 성능등급 평가기준을 관련 문헌 및 선행연구 분석을 통해 도출하고, 도로 및 철도 터널의 유지관리 시 적용할 수 있는 성능평가표를 제시하였다. 제시된 성능평가 모형의 유의미함을 제시된 평가표를 실제 공용중인 터널에서 정밀안전진단을 통하여 측정된 조사자료에 적용하여 각 평가지표와 최종 평가결과와의 상관분석을 실시함으로써 검증하였다. 본 연구에서 제시된 공용중인 터널의 성능평가를 위한 평가지표, 가중치, 그리고 용도별 평가모형은 추후 터널의 성능중심 유지관리 체계에 적용되어 유지관리 전략 수립 시 활용될 수 있을 것으로 판단된다.

키워드
NATM터널
성능평가
다기준 의사결정 기법
상관성 분석
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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 :1
  • Pages :107-120
  • Received Date : 2019-12-16
  • Revised Date : 2020-01-02
  • Accepted Date : 2020-01-03
  • DOI :https://doi.org/10.9711/KTAJ.2020.22.1.107
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