Laboratory simulations on hybrid non-destructive survey of electrical resistivity and induced polarization to predict geological risks ahead of a TBM tunnel

Minkyu Kang; Junho Lee; Kibeom Kwon; Sangyeong Park; Hangseok Choi

doi:10.1016/j.tust.2023.105066

Laboratory simulations on hybrid non-destructive survey of electrical resistivity and induced polarization to predict geological risks ahead of a TBM tunnel

Minkyu Kang
, Junho Lee
, Kibeom Kwon
, Sangyeong Park
, Hangseok Choi^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

10 Citations (Scopus)

Abstract

It is essential to predict geological risks ahead of a tunnel face during tunnel boring machines (TBMs) excavation to ensure efficient and stable tunnel construction. In this study, a series of lab-scale chamber experiments were conducted to simulate the electrical resistivity and induced polarization (IP) surveys during TBM advancement toward hazardous ground conditions. Various hazardous ground conditions (i.e., fault zones, water intrusion, geological transition, embedded core-stone, and cavities) possibly encountered during tunnel excavation were modeled in the soil chamber. The electrical resistivity and chargeability were simultaneously measured at the tunnel face modeled in the laboratory chamber during tunnel excavation. Guidelines for accurately predicting the hazardous conditions were proposed by analyzing the patterns and variations in resistivity and chargeability measurements corresponding to the TBM advancement. Note that the combined approach simultaneously implementing the electrical resistivity and IP surveys can predict hazardous ground conditions ahead of a tunnel face, which allows safe tunnel excavation by minimizing the potential risks in advance.

Original language	English
Article number	105066
Journal	Tunnelling and Underground Space Technology
Volume	135
DOIs	https://doi.org/10.1016/j.tust.2023.105066
Publication status	Published - 2023 May

Bibliographical note

Funding Information:
This research was supported by the National R&D Project for Smart Construction Technology (No. 23SMIP-A158708-04) and for Consecutive Excavation Technological Development Project of Tunnel Boring Machine (RS-2022-00144188) funded by the Korea Agency for Infrastructure Technology Advancement under the Ministry of Land, Infrastructure, and Transport and managed by the Korea Expressway Corporation.

Publisher Copyright:
© 2023

Keywords

Electrical resistivity survey
Hazardous ground conditions
Induced polarization survey
Laboratory chamber test
Tunnel boring machine

ASJC Scopus subject areas

Building and Construction
Geotechnical Engineering and Engineering Geology

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10.1016/j.tust.2023.105066

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title = "Laboratory simulations on hybrid non-destructive survey of electrical resistivity and induced polarization to predict geological risks ahead of a TBM tunnel",

abstract = "It is essential to predict geological risks ahead of a tunnel face during tunnel boring machines (TBMs) excavation to ensure efficient and stable tunnel construction. In this study, a series of lab-scale chamber experiments were conducted to simulate the electrical resistivity and induced polarization (IP) surveys during TBM advancement toward hazardous ground conditions. Various hazardous ground conditions (i.e., fault zones, water intrusion, geological transition, embedded core-stone, and cavities) possibly encountered during tunnel excavation were modeled in the soil chamber. The electrical resistivity and chargeability were simultaneously measured at the tunnel face modeled in the laboratory chamber during tunnel excavation. Guidelines for accurately predicting the hazardous conditions were proposed by analyzing the patterns and variations in resistivity and chargeability measurements corresponding to the TBM advancement. Note that the combined approach simultaneously implementing the electrical resistivity and IP surveys can predict hazardous ground conditions ahead of a tunnel face, which allows safe tunnel excavation by minimizing the potential risks in advance.",

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author = "Minkyu Kang and Junho Lee and Kibeom Kwon and Sangyeong Park and Hangseok Choi",

note = "Funding Information: This research was supported by the National R\&D Project for Smart Construction Technology (No. 23SMIP-A158708-04) and for Consecutive Excavation Technological Development Project of Tunnel Boring Machine (RS-2022-00144188) funded by the Korea Agency for Infrastructure Technology Advancement under the Ministry of Land, Infrastructure, and Transport and managed by the Korea Expressway Corporation. Publisher Copyright: {\textcopyright} 2023",

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AU - Kang, Minkyu

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AU - Kwon, Kibeom

AU - Park, Sangyeong

AU - Choi, Hangseok

N1 - Funding Information: This research was supported by the National R&D Project for Smart Construction Technology (No. 23SMIP-A158708-04) and for Consecutive Excavation Technological Development Project of Tunnel Boring Machine (RS-2022-00144188) funded by the Korea Agency for Infrastructure Technology Advancement under the Ministry of Land, Infrastructure, and Transport and managed by the Korea Expressway Corporation. Publisher Copyright: © 2023

PY - 2023/5

Y1 - 2023/5

N2 - It is essential to predict geological risks ahead of a tunnel face during tunnel boring machines (TBMs) excavation to ensure efficient and stable tunnel construction. In this study, a series of lab-scale chamber experiments were conducted to simulate the electrical resistivity and induced polarization (IP) surveys during TBM advancement toward hazardous ground conditions. Various hazardous ground conditions (i.e., fault zones, water intrusion, geological transition, embedded core-stone, and cavities) possibly encountered during tunnel excavation were modeled in the soil chamber. The electrical resistivity and chargeability were simultaneously measured at the tunnel face modeled in the laboratory chamber during tunnel excavation. Guidelines for accurately predicting the hazardous conditions were proposed by analyzing the patterns and variations in resistivity and chargeability measurements corresponding to the TBM advancement. Note that the combined approach simultaneously implementing the electrical resistivity and IP surveys can predict hazardous ground conditions ahead of a tunnel face, which allows safe tunnel excavation by minimizing the potential risks in advance.

AB - It is essential to predict geological risks ahead of a tunnel face during tunnel boring machines (TBMs) excavation to ensure efficient and stable tunnel construction. In this study, a series of lab-scale chamber experiments were conducted to simulate the electrical resistivity and induced polarization (IP) surveys during TBM advancement toward hazardous ground conditions. Various hazardous ground conditions (i.e., fault zones, water intrusion, geological transition, embedded core-stone, and cavities) possibly encountered during tunnel excavation were modeled in the soil chamber. The electrical resistivity and chargeability were simultaneously measured at the tunnel face modeled in the laboratory chamber during tunnel excavation. Guidelines for accurately predicting the hazardous conditions were proposed by analyzing the patterns and variations in resistivity and chargeability measurements corresponding to the TBM advancement. Note that the combined approach simultaneously implementing the electrical resistivity and IP surveys can predict hazardous ground conditions ahead of a tunnel face, which allows safe tunnel excavation by minimizing the potential risks in advance.

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KW - Induced polarization survey

KW - Laboratory chamber test

KW - Tunnel boring machine

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Laboratory simulations on hybrid non-destructive survey of electrical resistivity and induced polarization to predict geological risks ahead of a TBM tunnel

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

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