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::Plastic Drainage Board::  

Plastic Drainage Board
 
 
 
 
 
 
 
 
 
  Plastic drainage board 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.
 
 
 
Technical data
 

Art. No.

PLD0501

PLD0502

PLD0503

PLD0504

Remarks

 

Type

Item

SPD-I

SPD-II

SPD-III

SPD-92

 

Unit length weight

Wt./m

100

110

120

130

±5%

 

Thickness mm

3.5

4.0

4.5

6±0.5

 

 

Width  mm

100

100

100

100

±2

 

Tensile strength

kN/10cm

1.3

1.4

1.5

1.6

Compound

part

 

Elongation %

8.5

7.8

7

6

Tensile strength kN/10cm

 

Vertical drainage

Wt./per unit area cm3/s

20

30

40

50

Side pressure

350kPa

 

 

 

Filter

Filter coefficient cm/s

5×10-4

5×10-4

5×10-4

5×10-4

 

 

Tensile strength

Dry  N/cm

20

25

30

40

Extension rate

10%

 

Damp  N/cm

15

20

25

25

Extension rate 10%

Marinated 24hr

 

Soil separation  mm

0.075

0.075

0.075

0.075

O98 Hole diameter

 

 
 
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