Abstract
Soil levees are widely constructed in thousands of rivers in China. While due to the limitation of on-site materials, some projects have to use sandy soil as the filling material. The South-North Water Transport Project, flood control projects of the Yangtze River and Yellow River, water diversion irrigation projects in the northwest of China, and some coastal seawall projects all contain sandy soil levees. Considering the slope stability, many sandy soil levees are designed with slope ratio 1:4 or 1:5, which need a lot of land cover and soil filler. So the section design and construction technology of sandy soil levees are improved. To increase the stability and narrow the section, methods such as the geotextile reinforcement, sand geotube construction, “sandwich” filling and soil modifying methods are common ways. Among them, the geotextile reinforcement and sand geotube construction are quite effective and widely applied. And engineering applications are listed. So, the sandy soil levee can be widely promoted.
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