The Application Of Water Diversion For Flushing Sand To Build Dam Technique In Lijialiang Hydraulic Project

Water diversion for flushing sand to build dam obtains widespread utilization in the north desert region. This technology's principle and construction method is basically same with hydraulic filled dams'. But because its earth material is only restricted in the sand, it has many differences with the hydraulic filled dam and the rolled rock-fill dam from plan designs to the construction process and so on. It has formed one kind of unique dam.Through process of water diversion for flushing sand to build dam in construction of lijialiang hydraulic project, The author elaborates the construction schedule and process of this technology, quality control and construction safe matters needed attention during the construction process, the union of modern new dam anti-seepage material and this technology, thereby providing the exhaustive main point for the dam construction, providing the technical basis for the dam cross section selection. And achieve the goal of the dam choice to be reasonable, the build dams expense to be saved, construction to be high quality and highly effective.1. Water diversion for flushing Sand to build dam is one kind of special dam of the hydraulic filled dam. its earth material is only restricted in the sand so this technology has many differences with the hydraulic filled dam and the rolled rock-fill dam from plan designs to the construction process and so on. According to the concrete construction of this technology in construction of lijialiang hydraulic project, this paper elaborates the plan choice of this technology , the parameter determination of dam construction.2. Through the union construction of new impervious material"composite geotechnical textile matter"and water diversion for flushing sand to build dam, this paper in detail introduces the construction of the large area composite geotechnical membrane and the construction quality control, thereby determining the main point of the dam cross section selection and application of composite geotechnical textile matter in anti-seepage.3. According to the construction of water diversion for flushing sand to build dam in desert region, this paper introduces the construction procedure arrangement of dam structures and dam body, thereby determining the direction for a reasonable construction procedure arrangement of the dam.4. Through the dam construction quality and safety control, this paper elaborates safe matters needed attention and main point of construction quality control of water diversion for flushing sand to build dam, thereby determining the goal for the filling quality requirement of the dam and the filling safe matters needed attention of the dam..