Three-D Drainage Net

Three-D drainage net (also called 3D geotechnical drainage board, tunnel-drainage board, drainage board) which is consisted with plastic net and per-meated geotextile both sides, can instead of traditional gravel sand. It is used for the drainage of the rubbish filling site, road base and the inside of the tunnel. Three-D Drainage Net Technical DataTechnical Dataexperimental technique units TypeJRTD1JRTD2i=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,e(KN/m)Tensile StrengthISO10319KN/m28.030.0a,b,eExtensibilityISO10319%6060a,b,eDrainage Net physical propertyof Geotextile --------------------------HDPE-------------Material of Geotextile--------------------------PPPET-------------Antiaging Agent--------------------------carbon black-------------Geotextile δv=20kPaISO9863mm7.58.0aδv=200kPaISO9863mm7.07.5 aISO9864g/m217002000aRoll Width-------------m2.02.0aRoll Length-------------m30.030.0aRoll Diameter-------------m0.640.66aRoll Weight-------------Kg102.0120.0aGeotextileUnit WeightISO9864g/m2200--200aa:representative value b portrait C:2mmHDPE 2mmHDPE condition of pad border dl/m/s=1.0E-03 m2/s e25000 m2