PTT GEOCOMPOSITE DRAINAGE MAT ROLLS
PTT geocomposite Drainage Mat Rolls are mainly made of drainage core and filter Needle Punch Nonwoven Geo-textile.
We mainly have 3 types of drainage core to offer:
1.    Cuspate and dimpled drainage core;
2.    3D Geonet Drainage Core;
3.    3D Geomat Drainage core;
The geocomposite drainage mat rolls have the property of geotextile (filtration function) and Drainage core (drainage and protection) to provide a multi-function System “filtration-drainage-protection". The core of drain core with its unique tri-dimension structure can bear higher compressing load in construction and remain the certain thickness to provide good water conductivity.
It’s welcome to contact us if you need special drainage core pattern.
Typical Applications
Landfill drainage;
Roadbed and road drainage;
Railway drainage;
Tunnel drainage,
Underground
Structure drainage,
The retaining back wall drainage;
Gardens and sports ground drainage
Features
1) Excellent drainage function, can bear long time huge press load
2) High tensile and shear strength
3) Reduce the rate geotextile embedding into the core of geonet, can protect long time stable water conductivity
4) Tri-dimension composite geonet for drainage can bear more than kpa compression load
5) Its anti-compression capacity is much larger than common geonet for drainage
Specifications and technical parameters
| No. | Project | Units | Standard value | ||||
| 1200g | 1400g | 1600g | 1800g | 2000g | |||
| 1 | Complex mass per unit area | g/m2 | ≥1200 | ≥1400 | ≥1600 | ≥1800 | ≥2000 |
| 2 | Media thickness | mm | ≥6.0 | ≥7.0 | ≥8.0 | ≥9.0 | ≥10.0 |
| 3 | Composite longitudinal tensile strength | KN/m | ≥16.0 | ≥16.0 | ≥16.0 | ≥16.0 | ≥16.0 |
| 4 | Complex hydraulic conductivity | m2/s | ≥1.2×10-4 | ≥1.2×10-4 | ≥1.2×10-4 | ≥1.2×10-4 | ≥1.2×10-4 |
| 5 | Network core and non-woven peel strength | KN/m | ≥0.3 | ≥0.3 | ≥0.3 | ≥0.3 | ≥0.3 |
| 6 | Net core thickness | mm | ≥5.0 | ≥5.0 | ≥6.0 | ≥7.0 | ≥8.0 |
| 7 | The tensile strength of the core network | KN/m | ≥13.0 | ≥15.0 | ≥15.0 | ≥15.0 | ≥15.0 |
| 8 | Non-woven mass per unit area | g/m2 | ≥200 | ≥200 | ≥200 | ≥200 | ≥200 |
| 9 | Non-woven normal permeability | cm/s | ≥0.3 | ≥0.3 | ≥0.3 | ≥0.3 | ≥0.3 |
| 10 | Width | m | 1-4 | 1-4 | 1-4 | 1-4 | 1-4 |
| 11 | Roll length | m | 30 | 30 | 30 | 30 | 30 |
Â
| Application | Tri-Dimension Composite Geonet For Drainage | Natural Gravel |
| Conduction and discharging water and gas | Pass through strict quality control production line and have stable performance and good property of conducting water. | The traditional gravel have complex composition and its drainage property is much lower than laboratory data for its contains of sand and dust. |
| Load / Protection | Light weight, no more extral load on geomembrane and waste. Anti-pull, anti-compress, anti-impact and can prevent geomembrane from demage. | Pressure on the waste, the keen stone can puncture and damage geomembrane. Often need other safeguard, such as thicker geotextile. |
| Function | Four functions: Drainage, Separation, Filtration and Protection. | only drainage function, easy be blocked, and need accessorial filtration system. |
| Construction and installation | Fast installation, easy for construction, without heay machinery and professionals. Construction speed is 5-10 times of gravel. | Slow installyion, bulky and heavy, need heavy machinery, high cost and have more dissiculties with slope degree is more than 1V:4H. |
| Environment | Raw material is polyethylene, nontoxic, no pollution, 100% recycable products. | Relatively speaking, the gravel is scarce and precious resoueces. The ecological environment will be destroied when perple mine gravel. |
| Durability | Good anti-erosion, antioxidation, anti-atmospheric media and rain water. It has long-term and the best drainage property if use them with the geotextile. | Be easily blocked, has poor durability. |