Dissertation > Transportation > Road transport > Tunnel project > Tunnel observations and experimental > Tunnel construction and use of monitoring

Guanghui Expressway Xiaojinkou double-arch tunnel monitoring and finite element analysis

Author LiuHeBing
Tutor ZhaoYuGuang
School Southwest Jiaotong University
Course Bridge and Tunnel Engineering
Keywords Double-arch tunnel Monitoring and Measurement Data Processing Regression Analysis Finite element analysis
CLC U456.3
Type Master's thesis
Year 2004
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Thesis Guanghui Expressway Xiaojinkou double-arch tunnel project as the basis, through on-site monitoring tools and finite element analysis methods for double-arch tunnel Xiaojinkou field measurement data processing , regression analysis, as well as the structure of different construction processes seek solutions by . Combined with the finite element analysis techniques, Xiaojinkou double-arch tunnel construction process was monitored to ensure that during the construction of the tunnel surrounding rock stability and supporting the structural safety and reasonable. Full mainly by the introduction, on-site monitoring measurement and data processing , measurement data, regression analysis, finite element numerical simulation, Xiaojinkou double-arch tunnel construction process stress analysis five parts. Thus systematically introduces on-site monitoring equipment installation and data processing, and data were measured on regression analysis to predict the ultimate rock stress and the growth rate over time . Paper uses the finite element method, and combines the characteristics of underground works , the use of load - structure method of double-arch tunnel Xiaojinkou different force structures construction process conducted in-depth research, analysis of the structure of the various parts of the force , and different processes of the structure of the force pattern . Xiaojinkou double-arch tunnel in soft rock area . In the soft rock area , double-arch tunnel construction with great difficulty, has no experience to draw on . Therefore Xiaojinkou arch tunnel monitoring measurements and finite element numerical analysis of the research results can not only be used for small Chrysostom double-arch tunnel construction, to ensure Xiaojinkou during the double-arch tunnel construction safety and economic rationality . But also for other similar double-arch tunnel -related research also has some theoretical significance and important reference value.

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