Decision making for optimal primary-support selection to minimise tunnel-squeezing risk

Publikation: Beitrag in Buch/Bericht/Sammelwerk/KonferenzbandAufsatz in KonferenzbandForschungPeer-Review

Autoren

  • Yu Chen
  • Edoardo Patelli
  • Peng Zeng
  • Ben Edwards
  • Tianbin Li
  • Michael Beer

Externe Organisationen

  • University of Strathclyde
  • The University of Liverpool
  • State Key Laboratory of Geohazard Prevention and Geoenvironment Protection
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Details

OriginalspracheEnglisch
Titel des Sammelwerks e-proceedings of the 30th European Safety and Reliability Conference and 15th Probabilistic Safety Assessment and Management Conference (ESREL2020 PSAM15)
Untertitel01-05 November 2020, Venice, Italy
Herausgeber/-innenPiero Baraldi, Francesco Di Maio, Enrico Zio
ErscheinungsortSingapore
Seiten2257-2264
Seitenumfang8
ISBN (elektronisch)9789811485930
PublikationsstatusVeröffentlicht - 2020
Veranstaltung30th European Safety and Reliability Conference, ESREL 2020 and 15th Probabilistic Safety Assessment and Management Conference, PSAM 2020 - Venice, Virtual, Italien
Dauer: 1 Nov. 20205 Nov. 2020

Abstract

The excessive deformation caused by tunnel squeezing hazard is a key problem in tunnel construction, especially when tunneling through weak and over-stressed rock masses. Significant losses and delays would arise should an inappropriate selection of tunnel support be made. This paper presents a risk-based decision making framework to select the optimal support scheme in a quantitative manner. A program evaluation and review technique based Monte Carlo simulation procedure, which aims to estimate the cost distribution of different tunnel support schemes, is coupled with a multi-class probabilistic classifier on tunnel squeezing intensity. The risks regarding different scenarios of squeezing intensity and support scheme are expressed in a cost-benefit perspective using a modified Event Tree analysis, where abundant simulations of decision making can be done at one time and the optimal support scheme is hence selected based on votes. Finally, an engineering application is presented to demonstrate the efficiency and practicality of the proposed framework.

ASJC Scopus Sachgebiete

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Decision making for optimal primary-support selection to minimise tunnel-squeezing risk. / Chen, Yu; Patelli, Edoardo; Zeng, Peng et al.
e-proceedings of the 30th European Safety and Reliability Conference and 15th Probabilistic Safety Assessment and Management Conference (ESREL2020 PSAM15): 01-05 November 2020, Venice, Italy. Hrsg. / Piero Baraldi; Francesco Di Maio; Enrico Zio. Singapore, 2020. S. 2257-2264.

Publikation: Beitrag in Buch/Bericht/Sammelwerk/KonferenzbandAufsatz in KonferenzbandForschungPeer-Review

Chen, Y, Patelli, E, Zeng, P, Edwards, B, Li, T & Beer, M 2020, Decision making for optimal primary-support selection to minimise tunnel-squeezing risk. in P Baraldi, F Di Maio & E Zio (Hrsg.), e-proceedings of the 30th European Safety and Reliability Conference and 15th Probabilistic Safety Assessment and Management Conference (ESREL2020 PSAM15): 01-05 November 2020, Venice, Italy. Singapore, S. 2257-2264, 30th European Safety and Reliability Conference, ESREL 2020 and 15th Probabilistic Safety Assessment and Management Conference, PSAM 2020, Venice, Virtual, Italien, 1 Nov. 2020. https://doi.org/10.3850/978-981-14-8593-0_4170-cd
Chen, Y., Patelli, E., Zeng, P., Edwards, B., Li, T., & Beer, M. (2020). Decision making for optimal primary-support selection to minimise tunnel-squeezing risk. In P. Baraldi, F. Di Maio, & E. Zio (Hrsg.), e-proceedings of the 30th European Safety and Reliability Conference and 15th Probabilistic Safety Assessment and Management Conference (ESREL2020 PSAM15): 01-05 November 2020, Venice, Italy (S. 2257-2264). https://doi.org/10.3850/978-981-14-8593-0_4170-cd
Chen Y, Patelli E, Zeng P, Edwards B, Li T, Beer M. Decision making for optimal primary-support selection to minimise tunnel-squeezing risk. in Baraldi P, Di Maio F, Zio E, Hrsg., e-proceedings of the 30th European Safety and Reliability Conference and 15th Probabilistic Safety Assessment and Management Conference (ESREL2020 PSAM15): 01-05 November 2020, Venice, Italy. Singapore. 2020. S. 2257-2264 doi: 10.3850/978-981-14-8593-0_4170-cd
Chen, Yu ; Patelli, Edoardo ; Zeng, Peng et al. / Decision making for optimal primary-support selection to minimise tunnel-squeezing risk. e-proceedings of the 30th European Safety and Reliability Conference and 15th Probabilistic Safety Assessment and Management Conference (ESREL2020 PSAM15): 01-05 November 2020, Venice, Italy. Hrsg. / Piero Baraldi ; Francesco Di Maio ; Enrico Zio. Singapore, 2020. S. 2257-2264
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abstract = "The excessive deformation caused by tunnel squeezing hazard is a key problem in tunnel construction, especially when tunneling through weak and over-stressed rock masses. Significant losses and delays would arise should an inappropriate selection of tunnel support be made. This paper presents a risk-based decision making framework to select the optimal support scheme in a quantitative manner. A program evaluation and review technique based Monte Carlo simulation procedure, which aims to estimate the cost distribution of different tunnel support schemes, is coupled with a multi-class probabilistic classifier on tunnel squeezing intensity. The risks regarding different scenarios of squeezing intensity and support scheme are expressed in a cost-benefit perspective using a modified Event Tree analysis, where abundant simulations of decision making can be done at one time and the optimal support scheme is hence selected based on votes. Finally, an engineering application is presented to demonstrate the efficiency and practicality of the proposed framework. ",
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AU - Chen, Yu

AU - Patelli, Edoardo

AU - Zeng, Peng

AU - Edwards, Ben

AU - Li, Tianbin

AU - Beer, Michael

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