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A Study on Behaviour of Tunnel Considering the Location of Groundwater Leaching and Fault Fracture Zone under Tunnel Construction
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 Title & Authors
A Study on Behaviour of Tunnel Considering the Location of Groundwater Leaching and Fault Fracture Zone under Tunnel Construction
Son, Yongmin; Kim, Nagyoung; Min, Kyungjun;
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 Abstract
Ground characteristics is important in tunnel structure utilizing the strength of underground. In the case of the fault fracture zone such as weak soil conditions exists in the tunnel section and groundwater leaching occurs at the same time, it happens to occur to excessive displacement or collapse of tunnel frequently. Fault fracture zone is an important factor that determines the direction of displacement and the collapse of the tunnel under construction. Behavior of fault fracture zone is determined depending on the size and orientation of the surface portion of the tunnel. If the groundwater occurs in the face of tunnel, groundwater causes displacement and collapse. And the collapse characteristics of tunnel is a major factor in determining that the time-dependent behavior. It is difficult to accurately predict groundwater leaching from the fault fracture zone in the numerical analysis method and analyze the interaction behavior of groundwater and fault fracture zone. Therefore numerical analysis method has limitations the analysis of ground water in the ground which the fault fracture zone and groundwater occurs at the same time. It is required to comprehensively predict the behavior of tunnel and case studies of tunnel construction. Thus, the location of fault fracture zone is an important factor that determines the direction of displacement and the collapse of the tunnel. In this study, behavior characteristics of the tunnel according to the location of the fault fracture was analyzed.
 Keywords
Groundwater leaching;Behaviour of tunnel;Fault fracture zone;Time dependent behaviour;
 Language
Korean
 Cited by
 References
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