超近距隧道拱顶下沉监测与预报方法研究

Super Close Tunnel Vault Subsidence Monitoring and Forecast Method Research

根据超近距隧道施工变形监测的需要,介绍蜘蛛山隧道的施工时段拱顶下沉的变形监测和预报方法,通过实测数据建立双曲线回归函数预测模型,预测后期隧道拱顶下沉达到稳定的时间,从而为隧道的健康施工提供准确的标准。

In this paper, according to the needs of super close tunnel construction deformation monitoring, the spider moun- tain tunnel construction period vault subsidence deformation monitoring and prediction method are introduced. And, the hy- perbola regression function prediction model is established through experimental data to predict the interval of reaching sta- bility state of the tunnel vault sink, and to provide accurate standard to the health of the tunnel construction later.