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1 工程存在问题黑龙江省北部引嫩工程运行二十二年来,为大庆地区及沿途各市县的经济发展、生态环境改善发挥了巨大作用.由于工程多年运行,现在也存在一些问题:1.1 江道工程变形严重,影响取水;1.2 建筑物工程年久失修存在不同程度老化破坏;1.3 渠道冲淤变化较大,尤其是梁道冲淤变形不仅造成岁修投资大,同时也严重影响工程效益的发挥,甚至造成一定危害.分析冲淤原因,提出切实有效的防治措施已成为当务之急.
1 PROBLEMS PROBLEMS In the northern part of Heilongjiang Province, the Nenneng Project started its operation for 22 years and has played an important role in economic development and ecological environment improvement in Daqing and its cities and counties along the way. Since the project has been operating for many years, there are still some problems now: Seriously affecting the water intake; 1.2 There is varying degrees of aging damage in the building projects in a long time; 1.3 Erosion and sedimentation in the channel vary greatly, especially the scouring and silting deformation of the beam road will not only cause large investment in aged repairs, but also seriously affect the engineering benefits and even cause certain hazards Analyzing the reason of scouring and silting, putting forward effective and effective prevention and control measures has become a top priority.