Features Specifications:Three-D Drainage Net  Three-D drainage net (also called 3D geotechnical drainage board , tunne-drainag e board, drainage board ) which is consisted with plastic net and pe-rmeated geote xt ile both sides, can instead of traditional gravel sand. It is used for the draina ge of the rubbish filling site, roadbase and the inside of the tunnel.  Three-D Drainage Net Technical Data g/m 2 mm mm m m kN/m JRNO 750±35 =6.0 10 + 1*10 + 1 +0.060 +1.0 =6.0 JRNO 1240±60 =5.0 10 + 1*6 + 1 +0.060 +1.0 =18  JRTD1JRTD2i=1δv=20kPaISO12958l/m/s1.401.50a,b,c,d,eδv=100kPaISO12958l/m/s1.201.30a,b,c,d,eδv=200kPaISO12958l/m/s1.101.20a,b,c,d,eδv=500kPaISO12958l/m/s0.800.90a,b,c,d,eISO10319KN/m28.030.0a,b,eISO10319%6060a,b,e--------------------------HDPE---------------------------------------PPPET----------------------------------------------------δv=20kPaISO9863mm7.58.0aδv=200kPaISO9863mm7.07.5aISO9864g/m217002000a-------------m1.501.50a-------------m30.030.0a-------------m0.640.66a-------------Kg102.0120.0aISO9864g/m2200--200a