滑坡地段隧道变形机理的模型试验研究

MODEL TEST ON DEFORMATION MECHANISM OF TUNNEL AT LANDSLIDE SITE

通过室内地质力学模型试验 ,研究了滑坡地段坡体变形与隧道的相互作用机理、围岩和衬砌压力的变化规律以及坡体和隧道的变形特征 ,着重研究了滑带土浸水软化及发生蠕变时坡体变形与隧道的相互作用关系。本文的成果可为该类病害的预测预报和有效整治提供科学依据。

Based on the laboratory geomechanical model test, the interaction mechanism between landslide deformation and tunnels, the variation regularities of the pressure in surrounding rocks and lining ,the deformation features of landslides and tunnels are studied. The interaction relationship between landslide deformation and tunnels during sliding plane softening with water and creep occur is emphatically studied. The study result provides a scientific basis for prediction and treatment of the deformed tunnel.