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Experimental study on dewatering characteristics of geotubes filled with typical soil materials in Anhui Province

when soil materials from different regions are used as geotube filling materials, the dewatering and consolidation process of geotube is different. To evaluate the dewatering performance of geotube filled with typical soil materials in Anhui Province, hangning bags tests with hanging bags filled with typical soil materials from five regions of Anhui Province was carried out. The test results show that the dewatering process of geotubes filled with different typical soil can be roughly divided into three stages: rapid dewatering stage, slow dewatering stage and stable dewatering stage. And the dewatering performance of the geotubes filled with the soil material in Huainan area is the best, while the soil conservation performance of the geotubes filled with the soil material in Anqing area is the best.