A Study on the Stability of Shield TBM Thrust Jack in the Behavior of Operating Fluid According to Thrust Force

Hyun-seok Lee; Yeong-min Na; Hyun-su Jang; Ik-hyun Suk; Sin-hyun Kang; Hun-tae Kim; Jong-kyu Park

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저자정보: Hyun-seok Lee (Changwon National UNIV.) Yeong-min Na (Changwon National UNIV.) Hyun-su Jang (Changwon National UNIV.) Ik-hyun Suk (Changwon National UNIV.) Sin-hyun Kang (EM Korea) Hun-tae Kim (EM Korea) Jong-kyu Park (Changwon National UNIV.)

저널정보: 한국기계가공학회 한국기계가공학회지 한국기계가공학회지 제18권 제1호

발행연도: 2019.1

수록면: 38 - 45 (8page)

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In this paper, the stability of the tunnel boring machine (TBM), used in tunnel excavation, according to the thrust force of the thrust jack was investigated. The existing hydraulic cylinder analysis method is fluid-structure interaction (FSI) analysis, where all of the flow setting and dynamic characteristics should be considered. Therefore, there is a need for a method to solve this problem simply and quickly. To facilitate this, the theoretical pressure in the hydraulic cylinder was calculated and compared with the analytical and experimental results. In the case of the analysis, the pressure generated inside the cylinder was analyzed statically, considering the operating characteristics of the shield TBM, and the stress and pressure were calculated. This method simplifies the analysis environment and shortens the analysis time compared to the existing analysis method. The obtained theoretical and analytical data were compared with the measured data during actual tunneling, and the analysis and experimental data showed a relative error of approximately 23.89%.

#Shield Tunnel Boring Machine(쉴드 TBM) #Fluid-Structure Interaction Analysis(유체-구조 연성해석) #Thrust Jack(추진잭) #Operating Fluid(동작 유체)

참고문헌 (14)

참고문헌 신청

Li, X. / 2018 / Twin neighboring tunnel construction under an operating airport runway / Tunnelling and underground space technology 81:534~546

Schubert, W. / 2012 / NATM – from a construction method to a system / Geomechanics and Tunnelling 5(5):455~463

Yokota, Y. / 2016 / Evaluation of geological conditions ahead of TBM tunnel using wireless seismic reflector tracing system / Tunn elling and Underground Space Technology 57:85~90

Vaibhav, P. / 2017 / Construction of Tunnels, by New Austrian Tunneling Method(NATM)and by Tunnel Boring Machine(TBM) / International Journal of Civil Engineering 6(6):25~36

Bereznitskii, Yu. A. / 1988 / Construction of a deep underground structure by the cut and-cover-method / Soil mechanics and foundation engineering 25(6):532~534

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