陕甘宁盐环定扬黄工程渠道破坏成因与防治

针对陕甘宁盐环定扬黄工程流沙段混凝土板衬砌渠道破坏严重,影响渠道的正常输水和工程使用寿命等问题,分析了流沙段混凝土板衬砌渠道破坏的现状、成因,提出了处理的技术措施与对策,采取综合改造治理后,经过近6年的运行考验,渠道没有出现冻胀、开裂、滑塌和结构破坏等现象,治理效果明显,供西部干旱寒冷地区流沙段渠道防治参考.

The cause and prevention of the channel damage in Yanhuanding pumping engineering project of ordos area

For concrete lining channel in drift sand section was seriously destructed in Yanhuanding pumping engineering project in Ordos area, and water conveyance and service life were affected, damage were analyseed, and the technical measures and countermeasures comprehensive reform measures, channel has no frost heave, craze, slump and the effect is obvious, and it can be take as a reference for quicksand channels the present situation and the origin of the were put forward. After the adoption of structural damage in nearly six years running. in western drought and cold regions.