拱坝下游地下洞室围岩稳定平面有限元分析

Plane Finite Element Analysis of Surrounding Rock Stability of the Underground Opening at the Downstream of an Arch Dam

本文采用平面有限元方法,对位于拱坝下游的地下洞室围岩稳定与支护进行了研究,分别分析了洞室开挖,锚喷支护和在拱坝推力作用下洞室围岩的稳定状况,提供了研究方法和有实用价值的结论。

In this paper, the plane finite element method is adopted to study the surrounding, rock stability and support of the underground opening at the downstream of an arch dam, The stable state of opening excavation, bolt-spray support, and opening surrounding under the action of arch dam thrust are respectively analyzed, The research method and some valuable conclusions are presented.