水电站发电引水渠冻胀处理工艺

Construction technique of frost heave treatment for power diversion canal of hydropower station

新疆冬季运行渠道冻胀是较为普遍的问题,文章分析了小山口二级水电站发电引水渠道的冻胀原因、渠道冻胀特点及处理实施的工艺、方法。得出工程处理关键是针对引起冻胀的本源——冻胀土进行了挖除换填,才从根本上解决了问题;另一方面要加强渠道的科学管理,科学调度运行,不能骤降渠道水位。

In winter, the frost heave is the general problem for canal operation in Xinjiang. According to the diversion canal of the Xiaoshankou second cascade hydropower station, the paper analyzes the reason and characteristics of frost heave and the treatment construction method and technique. The key of frost heave processing is the excavation and replacement of the frost heaving soil, the origin cause of frost, which could solve this problem fundamentally. On the other hand, the scientific management and dispatching for the canal should be strengthened and the water level of canal cannot be quickly reduced.