Risk analysis using fault-tree analysis (FTA) and analytic hierarchy process (AHP) applicable to shield TBM tunnels

被引：178
作者：
Hyun, Ki-Chang [1 ]
Min, Sangyoon [2 ]
Choi, Hangseok [3 ]
Park, Jeongjun [3 ]
Lee, In-Mo [3 ]
机构：
[1] Hyundai E&C, Res & Dev Div, Seoul, South Korea
[2] Parsons Corp, Boston, MA USA
[3] Korea Univ, Sch Civil Environm & Architectural Engn, Seoul, South Korea
来源：
TUNNELLING AND UNDERGROUND SPACE TECHNOLOGY | 2015年 / 49卷
关键词：
Shield TBM; Risk analysis; Fault-tree analysis (FTA); Analytic hierarchy process (AHP);
D O I：
10.1016/j.tust.2015.04.007
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
In this paper, the potential risk of undesirable events occurring during tunneling with application of a shield tunnel boring machine (TBM) method is discussed along with the risk analysis which can systematically assess overall risk levels. Potential risks and typical scenarios pertaining to shield TBM tunnels have been investigated based on previous case histories and correspondence with experts. The relevant risks from undesirable events were categorized into four groups: cutter-related malfunction, machine blockage or hold-up, mucking problems that hinder transporting excavated materials, and segment defects. A fault-tree set was constructed by grouping risk factors (or causes) into geological, design and construction/management factors. Risk analysis was performed by adopting fault-tree analysis (FTA) and an analytic hierarchy process (AHP) with consideration of the probability and impact of the risks. In addition, the proposed method was reliably validated by comparison with field observation, and thus indicates its applicability to risk management for shield TBM tunneling. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：121 / 129
页数：9
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