Evaluation of the NATM tunnel load on concrete lining using the ground lining interaction model

Sang Seom Jeong; Young Chul Han; Yong Min Kim; Do Hyun Kim

doi:10.1007/s12205-014-0597-9

Evaluation of the NATM tunnel load on concrete lining using the ground lining interaction model

Sang Seom Jeong, Young Chul Han, Yong Min Kim, Do Hyun Kim

Department of Civil and Environmental Engineering

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

20 Citations (Scopus)

Abstract

This study presents a Ground Lining Interaction (GLI) model to consider the deterioration of primary supports and realistic ground conditions in evaluations of accurate New Austrian Tunnel Method (NATM) tunnel loads acting on concrete linings. Several parametric studies of the major parameters that influence tunnel loads are performed and the results are compared with Terzaghi's formula. Numerical results demonstrate that the proposed GLI model is capable of reducing excessive tunnel loads by up to 30%. Based on the obtained results, a simplified GLI formula that can be used in engineering practice is proposed for NATM tunnel loads on concrete linings.

Original language	English
Pages (from-to)	672-682
Number of pages	11
Journal	KSCE Journal of Civil Engineering
Volume	18
Issue number	2
DOIs	https://doi.org/10.1007/s12205-014-0597-9
Publication status	Published - 2014 Mar

Bibliographical note

Funding Information:
This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIP) (No. 2011-0030040).

All Science Journal Classification (ASJC) codes

Civil and Structural Engineering

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10.1007/s12205-014-0597-9

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abstract = "This study presents a Ground Lining Interaction (GLI) model to consider the deterioration of primary supports and realistic ground conditions in evaluations of accurate New Austrian Tunnel Method (NATM) tunnel loads acting on concrete linings. Several parametric studies of the major parameters that influence tunnel loads are performed and the results are compared with Terzaghi's formula. Numerical results demonstrate that the proposed GLI model is capable of reducing excessive tunnel loads by up to 30%. Based on the obtained results, a simplified GLI formula that can be used in engineering practice is proposed for NATM tunnel loads on concrete linings.",

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AB - This study presents a Ground Lining Interaction (GLI) model to consider the deterioration of primary supports and realistic ground conditions in evaluations of accurate New Austrian Tunnel Method (NATM) tunnel loads acting on concrete linings. Several parametric studies of the major parameters that influence tunnel loads are performed and the results are compared with Terzaghi's formula. Numerical results demonstrate that the proposed GLI model is capable of reducing excessive tunnel loads by up to 30%. Based on the obtained results, a simplified GLI formula that can be used in engineering practice is proposed for NATM tunnel loads on concrete linings.

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Evaluation of the NATM tunnel load on concrete lining using the ground lining interaction model

Abstract

Bibliographical note

All Science Journal Classification (ASJC) codes

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