隧道洞口边坡组合式支护结构设计及性能研究

Design and Performance Study of Composite Support Structure for Tunnel Entrance Slope

基于隧道洞口边坡支护结构中存在的不足,结合施工过程中存在的难题,从结构整体性增强、挂网布设质量提升、坡面防渗性能提高等方面进行结构创新,设计了一种隧道洞口边坡组合式支护结构,并对该结构的组成和性能特点进行了系统分析,阐明了研究结构的工程适用性和工程应用价值。

Based on the shortcomings of the tunnel portal slope support structure,combined with the problems existing in the construction process,the structural innovation is carried out from the aspects of the structural integrity enhancement,the quality improvement of the hanging net arrangement,the improvement of the anti-seepage performance of the slope surface and so on.In this paper,a composite support structure of tunnel portal slope is designed,and the composition and performance characteristics of the structure are analyzed systematically.The engineering applicability and engineering application value of the structure are expounded.