2009•Cehui kexueRequires access

Numerical analysis on the surroundning displacement of double-arch tunnel

LI Yong-shu

Abstract

According to the monitored and measured result of surrounding rock deformation,it is possible to analyze and predict the stability of surrounding rock in the construction of the tunnel.Horizontal displacement is calculated and analyzed in surrounding rock type Ⅲ by monitored and measured data of XiaoJinKou double-arch tunnel in the paper.Regression analysis by Boltzman function can reflect the change of horizontal displacement in double-arch tunnel construction.So the horizontal displacement control base of double-arch tunnel has been suggested.It has an important significance for designing and constructing in double-arch tunnel.

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Key concepts: Arch, Displacement (psychology), Deformation (meteorology), Geotechnical engineering, Geology, Structural engineering, Base (topology), Engineering