Soil improvement using PVD stitcher with prefabricated vertical drain can shorten the path of the pore water in the impermeable soil, accelerate the settlement and reduce the construction period of a project and avoid post-construction diffierential settlements.

a. The Max Height can reach 55m.

b. It is suitable for various kind of Excavator, include the Caterpillar, Hitachi, Komustu, Case, etc.

c. PVD Instalaltion Capacity will be 10000m-15000m/8 hours with the skilled worker.

d. Low noise, Fuel adequacy, Enviromental friendly, Stable Performance.

e. In aviod any rack of the PVD, bending, breaking of the spline shaft.