Patent ID: 7377726
Filing Date: 2008-05-27
Classification: E02B,E02D,Y02A

Abstract:
1. A method of building a sea wall or levee, wherein said completed sea wall or levee will have a longitudinal center line, and wherein said sea wall or levee is to be built on soft subsoil, comprising the steps: forming first and second rows of soil-cement columns on opposite sides of said longitudinal centerline, wherein said soil-cement columns are formed by mechanically cutting said soft subsoil and simultaneously hydraulically mixing said mechanically cut soft subsoil with a cement slurry injected through a first nozzle at velocities of 200 feet per second or higher, embedding reinforcing structural elements into at least some of said soil-cement columns in said first and second rows, connecting at least some of said reinforcing structural elements in said first row of soil-cement columns with some of said reinforcing structural elements in said second row of soil-cement columns with tensile load bearing members, and depositing fill materials between said first and second rows of soil-cement columns, wherein said fill materials include sand, silt and/or sediment.