长江深水砂被铺设施工工艺

因与先期软体排护底工程有重合区域,针对区域内存在块石及透水框架的问题,为避免对铺设的软体排造成破坏,在现有铺排船铺设软体排的基础上,采用铺排船进行深水砂被铺设处理,达到了阻隔碎石垫层、抛石等挤入淤泥和部分的水平排水的目的。

Pavement technology of deepwater sand quilt in the Yangtze River

Aiming at the problems of stones and permeable frames existing in the overlap region with the former bottom protection project for soft body mattress,in order to avoid damage to the soft body mattress which had already been laid,we pave the deepwater sand quilt with the help of existing technological base and geotextiles-laying vessels.As a result of that,we achieve the goal of keeping gravel layer sealing,abandoning rocks or anything like that away from sludge and horizontal drainage flatly.