Use of High Vacuum Compaction Method to Improve Ground of Hydraulic Fill in Caofeidian Coal Terminal

During land reclamation by dredged fill,a soft ground containing soft clay layers is formed because of the hydraulic sorting and the method of high vacuum compaction is used for improving the soil.It is proved from the practice that the high vacuum compact method played a key role in ensuring quality of ground improvement,increasing the construction speed and shortening the construction period.Especially,it is very remarkably effective for improvement of soft ground sandwiched with soft clay,achieving better results than the single use of dynamic compaction.