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在三峡水库蓄水和运行条件下,三峡库区水库型滑坡(以泄滩滑坡为例)不同部位的地下水位和位移表现出对库水位变化的敏感程度不同的特征。根据监测变量(位移与地下水位)对库水变化敏感程度的不同与监测信息量获取大小的关系,采用模糊模式识别方法对三峡库区泄滩滑坡地下水位及位移场变化对水库水位变化的敏感程度进行分区。借助泄滩滑坡监测变量敏感程度分区规律,给出三峡库区水库型滑坡地下水位与位移监测点布设的建议。
Under the conditions of water storage and operation of the Three Gorges Reservoir, the groundwater level and displacement of different types of reservoir-type landslides in the Three Gorges Reservoir area (taking Xietan landslide as an example) show different characteristics of sensitivity to changes in reservoir water level. According to the relationship between the sensitivity of monitoring variables (displacement and groundwater table) to the change of monitoring information amount, the fuzzy pattern recognition method is used to detect the sensitivity of reservoir water level to the change of groundwater level and displacement field of Xietan Landslide in the Three Gorges Reservoir Area Degree of partition. Based on the zoning law of the sensitivity of Xutan Landslide monitoring variables, this paper gives suggestions on the layout of groundwater level and displacement monitoring points for the reservoir type landslide in the Three Gorges Reservoir Area.