Concave convex drainage board has a good drainage system of the civil construction period and normal use of structure in playing an important role. Drain and porous tubes has an effective drain drainage system, cylindrical long-short drainage plate and geotextiles is composed of a drainage system, thus forming the function of water seepage, water storage and drainage system.
Dimple drainage board is using blow molding method to produce high density polyethylene (HDPE) geomembrane, pressed on geomembrane pressure after the special craft the closed swelled the frustum of a cone shape, having a three-dimensional space and some support stiffness, liquid, gas can flow excreted within its plate. Cactus board Installed which in spatial structure with certain height can resist long-term high pressure without deformation.
Drainage board plays an important role in good drainage system, the civil construction period and normal use of structure. Drain board and also called basement drainage or shockwave drainage board diagram, is an effective drain drainage system, cylindrical long-short drainage plate and geotextiles is composed of a drainage system, thus forming a which has the function of water seepage, water storage and drainage system.
Feuatures:
Function:
Specification:
NO. | Item Name | Technical requirements | |||||
H10-1.0 | H20-1.0 | H10-1.5 | H20-1.5 | H10-2.0 | H20-2.0 | ||
1 | Tensile strength N/5cm ≥ | 400 | 400 | 500 | 500 | 700 | 700 |
2 | Elongation at break % ≥ | 200 | 200 | 300 | 300 | 400 | 400 |
3 | Dimensional strength Mpa ≥ | 400 | 320 | 450 | 370 | 500 | 420 |
4 | Dimensional stability % | ±2 | |||||
5 | Low temperature impact brittle property | -35℃ crack-free bending | |||||
6 | Longitudinal flow capacity cm3/s ( hydraulic pressure 5Kpa) | 5.6 | 8.6 | 5.6 | 8.6 | 5.6 | 8.6 |
7 | Longitudinal flow capacity cm3/s ( hydraulic pressure 350Kpa) | 15.2 | 18.2 | 15.2 | 18.2 | 15.2 | 18.2 |
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