考虑库岸稳定的库区水位升降控制方案-南水北调与水利科技.pdfVIP

第 12 卷 第3 期 南 水 北 调 与 水 利 科 技 Vol.12 No. 3 2014 年 6 月 South2to2 North Water Transfers and Water Science Technology Jun. 2014 DOI: 10. 13476/ j . cnki. nsbdqk. 2014. 03. 030 郭 健, 许 模, 赵 勇 ( 成都理工大学 地质灾害防治与地质环境保护国家重点实验室, 成都 61005 ) : 在西南地区的大型水电项 中, 库区内一些难于治理的大型滑坡堆积体, 常会因库水调度而复活, 因此需要对 库区水位升降的幅度进行控制。以黑水河库区内已复活的某堆积体滑坡为实例, 利用滑坡 DM01 监测点垂向位移 变化实测数据, 详细地分析了初期蓄水期间滑坡的动态变化规律和特征, 并拟定了库区水位升降控制方案。为了论 证该控制方案的可行性, 提取了库水位等控制滑坡变形的主要影响因素, 利用逐步回归法建立了堆积体滑坡位移的回 归预测模型, 对控制方案下的滑坡变形趋势值进行了预测, 结果表明拟定的控制方案能有效避免滑体再次产生复活。 : 库岸稳定; 库水调度; 逐步回归 ; 滑坡堆积体 : P642. 22; TV 861 : A : 16722 1683(2014) 0320138205 Control Scheme of Reservoir Water Level Fluctuation in Consideration of Bank Stability GUO Jian, XU Mo, ZHAO Yong (State K ey L aboratory of Geo2haz ard rev ention and Geo2environment rotection, Chengdu Univ ersity of Technology , Chengd u 61005 , China) Abstract: During the operation of hydroelect ric projects in southw est ern China, several large2 scale landslide deposits,w hich are diff icult to t reat w ith, often react ivate due to reservoir a regulat ion. Controlling the range of w ater level fluctuation of the reser2 voir is the key point for t he regular operat ion of hydroelectric project. In this paper, the control scheme of water level fluctuation in the H eishui River reservoir w as proposed based on a react ivated landslide in the reservoir. First, the displacement variations of the landslide during the impoundment w ere 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.