High-density polyethylene (HDPE) composite geomembrane is a non-polar thermoplastic synthetic material with high impermeability, corrosion resistance and stable chemical properties.

When overlapping with the adjacent composite geomembrane, first expose the geotextile at the joints, sew the adjacent geotextile of the lower layer, adjust the welding edge of the two membrane layers, and weld the middle of the composite geomembrane with an overlap width of 150mm body.

In order to achieve the dual purpose of obtaining materials on site and dredging the river, graded natural gravel is used as the filling material. However, under the high water level of the river, the embankment filled with gradual natural gravel will seep obviously, causing the embankment or quicks......

The composite geomembrane has high flexibility, and has excellent chemical and physical properties. These functions will help materials overcome various difficulties in different production areas and provide more feasible suggestions for industrial projects.

The villagers built a small earth-rock dam on the river. After years of use and operation, many problems and defects have appeared. After investigation, a leak was found at the top of the dam.

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