Compared with traditional open ditches, this blind drain is fully concealed and installed without occupying ground space. The outer geotextile can effectively intercept sediment and prevent pipeline blockage. The quick-lock joint is easy to install without on-site welding. UV resistance ensures slow outdoor aging for 5 years. The compressive strength meets the load requirements of heavy subgrades. It also has good low-temperature adaptability and maintains stable drainage performance in northern low-temperature environments, reducing later maintenance costs.
The detailed parameters include 6 meters per roll, 100 millimeters diameter, 1.8 kilograms per linear meter, 35% porosity, 75μm filtration precision, 1.2MPa compressive strength, temperature resistance range from -20℃ to 80℃, V-0 flame retardancy, quick-lock joint connection, 200g/㎡ non-woven geotextile outer layer, and 3mm thick HDPE skeleton wall.
It is suitable for urban road subgrade drainage, slope protection drainage, underground water diversion in residential landscape gardens, groundwater discharge around tunnels, foundation drainage of airport runways and other scenarios. It is especially suitable for engineering scenarios that require concealed drainage and do not damage the ground landscape, and can effectively prevent problems such as subgrade settlement and road surface bulging.
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