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《Heilongjiang Hydraulic Science and Technology》 2018-02
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Tunnel Excavation and One Time Support Scheme

WU Xiao-jing;Yili River Basin Development and Construction Management Bureau;  
In line with the construction process of a water diversion tunnel located on the right bank of a reservoir,based on the view of rock mechanics,this paper applied the theory of New Australian Tunnelling Method( NATM) to describe tunneling and one time support scheme. The crustal stress contained in the mountainous body generated redistribution due to excavation during the process of tunnel excavation,and the bearing stress was mainly the surrounding rock body itself,which resulted in the limited effects of the bearing capability of surrounding rock,meanwhile,taking the roles of safe storage and decorating and beautifying.
【CateGory Index】: TV554
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