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Stability Analysis of the Wall Rock in Fault Fracture Zone of Luya Mountain Along the Xinbao Highway

Author: LiBo
Tutor: LiuBaoJian
School: Chang'an University
Course: Geotechnical Engineering
Keywords: Fault fracture zone surrounding rock Monitoring and Measurement Regression analysis Numerical Simulation ADINA
CLC: U451.2
Type: Master's thesis
Year: 2011
Downloads: 68
Quote: 0
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Abstract


Along with the rapid development of China 's highway construction , the number of highway tunnel built more and more , the poor geological type encountered during tunnel excavation also will be increased , the fault fracture zone surrounding rock is a common one . Containing fault fracture zone surrounding rock tunnel project , determine the the Rock Stability is the focus and difficulty of the engineering design and construction . Describe the factors that affect the fault fracture zone surrounding rock stability and deformation and failure characteristics and mechanism , summarized the dominant factors impact fault fracture zone surrounding rock stability . Luya Mountains tunnel , Xin Bao Expressway relying works based on , for example, describes the fault fracture zone governance measures in the tunnel excavation , shoring way the tunnel fault fracture zone . First feedback with monitoring , vault sink and surrounding convergence regression analysis , analysis of the surrounding rock stability based on the measured data of the tunnel in the fault fracture zone surrounding rock displacement , while inspection of the tunnel construction program fault fracture zone rationality and feasibility . And then, based on elastic-plastic theory , the use of large-scale general-purpose finite element software ADINA simulation of the tunnel in the construction program of the fault fracture zone , and study its surrounding rock stress , deformation , and features of the law , on the one hand , during the country rock of stability analysis to predict the eventual development of the on-site monitoring data trends , to make up for on-site monitoring can not be done ; the other hand , according to the analysis results to the on-site construction and support measures put forward reasonable proposals for the future tunnel similar to the surrounding rock facilities for some reference to optimize the design and construction of the tunnel .

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CLC: > Transportation > Road transport > Tunnel project > Tunnel structure theory > Theory of tunnel surrounding rock
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