Prefabricated vertical drains is a fine vertical passage for silt, silt soil and saturation sticky soil
Linear drainage boar is a fine vertical passage for silt, silt soil and saturation sticky soil by use of drainage concretion. It greatly decreased the time for concretion. In the treatment of soft groundwork, it has the same function, design and construction equipment as bagged sand well. It is one new kind of material to drain off the underground water.
Art. No. | PLD0501 | PLD0502 | PLD0503 | |||
Type | ||||||
Item | ||||||
SPD-I | SPD-II | SPD-III | ||||
Unit length weight Wt./m | 100 | 110 | 120 | |||
Thickness mm | 3.5 | 4.0 | 4.5 | |||
Width mm | 100 | 100 | 100 | |||
Tensile strength kN/10cm | 1.3 | 1.4 | 1.5 | |||
Elongation % | 8.5 | 7.8 | 7 | |||
Vertical drainage Wt./per unit area cm3/s | 20 | 30 | 40 | |||
Filter | Filter coefficient cm/s | 5×10-4 | 5×10-4 | 5×10-4 | ||
Tensile strength | Dry N/cm | 20 | 25 | 30 | ||
Damp N/cm | 15 | 20 | 25 | |||
Soil separation mm | 0.075 | 0.075 | 0.075 |
Prefabricated vertical drain