Sub-weir of second grade of construction on barged-in fill structure

The utility model relates to a sub-weir of second grade of construction on barged-in fill structure, its characterized in that: on the hydraulic reclamation weak soil, along the present sub-weir length direction hydraulic reclamation of one-level, having the pan soil lacing of certain width including direct, can realizing the volume replacement of pan soil lacing within range hydraulic reclamation weak soil, the filling pipe bag layer of laying on pan soil lacing upper portion on the sub-weir of clay that built on filling pipe bag layer, can directly adopt the hydraulic reclamation pan soil to build compared with the prior art, the utility model has the advantages of: this structural style saves and lays with the muscle bed course, backfills the medium coarse sand, beats foundation treatment processes such as establishing the plastics drain bar, and the construction process is simple, and low cost, barged-in fill need not to carry on the sunning and can construct, can improve the efficiency of construction greatly, can improve the comprehensive utilization benefit that the ship is inhaled to large-scale hank