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本文应用方差理论,对七年来长江西陵峡链子崖变形观测资料进行了统计分析。认为:T_(?)至T_(12)裂缝地段250万立方米的岩体正处于不稳定状态,有向北北西(即长江上游)方向持续运动和垂直下沉的变化趋势。
This paper applies the theory of variance to make a statistical analysis of the observation data of the chain cliff deformation of the Xiling Gorge in the Yangtze River over the past seven years. It is considered that 2.5 million cubic meters of rock mass between T_ (?) And T_ (12) fractures are in an unstable state and there is a tendency of continuous movement and vertical subsidence in the direction of north, north and west (ie the upper reaches of the Yangtze River).