浅埋围岩隧道的支撑分析是不断循环的迭代过程;良好的模拟出发点是结构安全与经济的基础,虽然围岩隧道设计是一个三维问题,但在目前国内外的分析理论当中,还没有比较好的理论观点来指导进行隧道开挖三维分析,因此,结合这些年的设计施工经验,并针对不同地质情况合理采用各项系数,进行了隧道平面趋近分析,并以之指导施工。 Supporting analysis of shallow buried tunnels is an iterative iterative process. A good starting point of simulation is the foundation of structural safety and economy. Although the design of surrounding rock tunnels is a three-dimensional problem, there is no comparison among the current analytical theories at home and abroad Good theoretical point of view to guide the three-dimensional analysis of tunnel excavation, therefore, combined with these years of design and construction experience, and for different geological conditions reasonable use of various coefficients, the tunnel plane approaching analysis, and to guide the construction.