隔河岩水电站引水洞出口高边坡的岩体变形机制分析

清江隔河岩水利枢纽电站引水洞出口是由自然边坡改造而成的高陡人工边坡，具上硬下软岩体结构。由于这种边坡岩位于下部，受力条件复杂，加之又具柔性变性特点，使其可能出现的破不机理同其它结构型边坡相比要复杂得多。总结该边坡施工中岩体变形规律，对其机制加以分析，可以帮助人们加地这类边坡岩体变形特性认识，并对类似岩质边皮的设计、施工有参考价值。

Rock deformation mechanism of high excavated side slope at Geheyan Project

The side slope at the exits of the diversion tunnels of Geheyan hydropower station is a man-made high and steep one. It is of a rock texture hard in upper part and soft in lower part. Due to soft rock located at the lower part of the slope and complicated stressing condition as well as features of flexible variation of the rock slope, the mechanism of possible rock failure would be much more complicated than that of other structural type slopes. The deformation regularity of the rock in construction is reviewed and the deformation mechanism is analysed,which would help colleagues to recognize the deformation characteristics of the rock mass and to design and construct similar rock slope.