| Authors | Hadi Farhadian,Arash Nikvar-Hassani |
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| Journal | Quarterly Journal of Engineering Geology and Hydrogeology |
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| Page number | 655-660 |
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| Serial number | 53 |
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| Volume number | 4 |
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| Paper Type | Full Paper |
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| Published At | 2020 |
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| Journal Grade | ISI |
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| Journal Type | Typographic |
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| Journal Country | Iran, Islamic Republic Of |
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| Journal Index | JCR،Scopus |
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Abstract
Characterization of squeezing phenomena as a geological hazard is of great importance since it has a critical role
in the selection of the tunnel route, type, and characteristics of the excavation device. Also, it is known as the
basis for the designation and construction of tunneling related structures. This study presents a new tunnel
squeezing classification (TSC) tool to predict tunnel squeezing based on two parameters; Q, tunneling quality
index, and H, depth of the tunnel. The database collected from the literature, including 225 case histories
obtained from different countries such as Andorra, Iran, India, Nepal, Japan, Spain, Venezuela, and Turkey,
used to train the TSC model. Validation of the model indicated that TSC is more accurate than speculative and
analytical methods currently in use. The proposed model helps tunneling experts to classify the media from a
squeezing hazard point of view
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