VERTICAL DRAIN BOARD WITH DOUBLE FILTER AND REINFORCING METHOD FOR SOFTGROUND USING THE SAME

摘要

A kind of double filter vertical drainage material and it is arranged to prevent the degeneration of bearing capacity using identical subgrade construction method. A kind of double filter vertical drainage material includes a water trap core (21), and a main filter (22) covers the circumference of water trap core, and one sacrifices filter (23), covers the circumference of main filter. Filter installation is sacrificed to slide towards main filter. Water trap central representations are biodegradable plastic materials, and wherein tensile strength is 30kgf/ material widths or bigger.