Study on Assessment Method for Structural Safety  of Operating Shieldbored Tunnels

doi:10.3973/j.issn.1672-741X.2015.S2.009

Tunnel Construction ›› 2015, Vol. 35 ›› Issue (S2): 43-49.DOI: 10.3973/j.issn.1672-741X.2015.S2.009

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Study on Assessment Method for Structural Safety  of Operating Shieldbored Tunnels

LIN Panda¹, ZHANG Dongmei^1,2, YAN Jingya³

(1. Key Laboratory of Geotechnical and Underground Engineering of Ministry of Education, Tongji University, Shanghai 200092, China; 2. Department of Geotechnical Engineering, Tongji University, Shanghai 200092,  China; 3. Maintenance Management of Shanghai Metro Co., Ltd., Shanghai 200070, China)

Received:2015-06-06 Revised:2015-10-20 Online:2015-12-15 Published:2015-12-24

Abstract

Abstract:

The safety of operating shieldbored tunnels has got more and more consideration as the tunnels deteriorate. The method to assess the safety conditions of tunnels has become the key issue for tunnel maintenance. In this paper, the indexes to express the tunnel behavior are proposed, the thresholds of the indexes are determined based on the tunnel performance, modified fuzzy comprehensive evaluation method (FCE) based on FCE method and analytic hierarchy process method are proposed by coupling the index correlation and irreversibility, and a case history is studied using the modified FCE method. 

Key words: shieldbored tunnel, safety evaluation, correlation, Fuzzy Comprehensive Evaluation (FCE)

CLC Number:

U 45

LIN Panda, ZHANG Dongmei, YAN Jingya. Study on Assessment Method for Structural Safety  of Operating Shieldbored Tunnels[J]. Tunnel Construction, 2015, 35(S2): 43-49.

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Study on Assessment Method for Structural Safety  of Operating Shieldbored Tunnels

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