Geocomposite drainage sheet
1. The drainage ability is strong, can withstand the long-term high load.
2. The high tensile strength and shear strength of the pit
3. To reduce the probability of the geotextile is embedded in the network core.
can protect the long-term stability of the rate of water.
4. The three-dimensional composite drainage net can withstand more than
2000kpa compression load.
5. Far greater than the ordinary drainage network resilience.
- Tri - dimension composite geonet for drainage is made of a unique tri - dimension geonet adhibited geotextile on both sides. It has the property of geotextile (filtration function) and geonet (drainage and protection) and provide a function system "filtration-drainage-protection". The core of net with its unique tri - dimension structure can bear higher compressing load in construction and remain the certain thickness, provide good water conductivity.
- Typical Applications
- Landfill drainage; roadbed and road drainage; railway drainage, tunnel drainage, underground structure drainage, the retaining back wall drainage, gardens and sports grounds drainage.
- Three - dimensional network of drainage features:
- Excellent drainage function, can bear long time high press load
- High tensile and shear strength
- Reduce the rate geotextile embedding into the core of geonet, can protect long time stable water conductivity
- Tri - dimension composite geonet for drainage can bear more than kpa compression load
- Its anti - compression capacity is much larger than common geonet for drainage
1,It is laid between foundation and base, which is used to discharge water between foundation and base, block capillary water and
effectively combine it into the marginal drainage system.This structure automatically shortens the foundation drainage, drainage
time significantly shorter, and can make the decrease in the number of the use of the material selection of foundation can be used
with more fine material, low permeability of materials.Can extend the life of the road.
2,In the base layer laying three-dimensional composite drainage network to prevent the base of fine material into the ground
floor, that is, play a role in isolation. Aggregate grass will enter the upper part of the geonet in a limited degree. In this
way, the composite geotextile network also has a potential to limit the lateral movement of the aggregate base, in this way, its
role is similar to the strengthening of the geogrid. In general, the tensile strength and rigidity of the composite geotechnical
drainage network is superior to many geogrids for foundation reinforcement, and this restriction will improve the supporting
capacity of the foundation.
3,Road aging, cracks formed, most of the rain will enter the section. In this case, the three-dimensional composite drainage
network directly laying under the road, instead of drainage of the foundation. The three-dimensional composite drainage network
can be collected before the water enters the foundation / sub-base. But also in the three-dimensional composite drainage network
at the bottom of a layer of film, to further prevent the water into the foundation. Whether it is for rigid roads or flexible road
systems, this structure can extend the life of the road.
Technical parameter:
NO. | Item | Unit | Spec./ Standard value | ||||
1200g/m2 | 1400g/2 | 1600g/m2 | 1800g/m2 | 2000g/m2 | |||
1 | Unit weight of compond | g/m | ≥1200 | ≥1400 | ≥1600 | ≥1800 | ≥2000 |
2 | Thickness of compond | mm | ≥6.0 | ≥7.0 | ≥8.0 | ≥9.0 | ≥10.0 |
3 | Longitudinal tensile strength of compond productiong | KN/m | ≥16.0 | ||||
4 | water diversion ration of compond production | m2/s | ≥1.2×10-4 | ||||
5 | peel strength of network core and geotextile | KN/m | ≥0.3 | ||||
6 | Thickness of network core | mm | ≥5.0 | ≥5.0 | ≥6.0 | ≥7.0 | ≥8.0 |
7 | Tensile strength of network core | KN/m | ≥13.0 | ≥15.0 | ≥15.0 | ≥15.0 | ≥15.0 |
8 | Unit weight of geotextile | g/m2 | ≥200 | ||||
9 | Seepage coefficient of geotextile | cm/s | ≥0.3 | ||||
10 | Width | m | 2.1 | ||||
11 | Length of one roll | m | 30 | ||||
