Control Scheme of Reservoir Water Level Fluctuation in Consideration of Bank Stability
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Abstract:
During the operation of hydroelectric projects in southwestern China, several large-scale landslide deposits, which are difficult to treat with, often reactivate due to reservoir a regulation. Controlling the range of water level fluctuation of the reservoir is the key point for the regular operation of hydroelectric project. In this paper, the control scheme of water level fluctuation in the Heishui River reservoir was proposed based on a reactivated landslide in the reservoir. First, the displacement variations of the landslide during the impoundment were analyzed using the monitored vertical displacement data at DM01 monitoring point of the landslide. Secondly, the main controlling factors for the landslide deformation were concluded. Finally, a prediction model for the displacement of landslide was developed using the stepwise regression method, which was used to predict the deformation of the landslide under the control scheme. The results showed that the control scheme can prevent the reactivation of the landslide.
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