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Hydraway Metric Properties

Hydraway 2000 Physical Properties

Geotextile Filter Fabric
Tensile Strength (MD) 12.45 kN/m Pass BS6906: Part 1
  (XD) 16.39 kN/m Pass BS6906: Part 1
 
Extension (max load) (MD) 61.0% Pass BS6906: Part 1
  (XD) 54.6% Pass BS6906: Part 1
 
Puncture Resistance   2226 N Pass BS6906: Part 1
 
Trapezoid Tear Strength (MD) 392.4 N Pass ASTM D4533-85
  (XD) 272.6 N Pass ASTM D4533-85
 
Pore Size Dist  (Dry) 090 = 60µm No target BS6906: Part 2
  (Wet) RM508 = 120µm No target CEN Draft
 
Water Flow   128.9./m2/sec    BS6906: Part 3
 
Breakthrough Head   <50mm Pass <62.5mm Pass BS6906: Part 3
 
Complete System (Core w/Geotextile)
Flow Rate
through Composite
  Head 100mm   BS6906: Part 3
(Modified) STM101
Flow: 139.59 l/m2/sec from bottom
  105.39  l/m2/sec from top
 
Compression under
Shear & Normal Loads
  % Compression at 10s hr
(from 0.1 hr) = 3.75%
STM 100
 
Short Term Equivalent Load 140 kN/m2   STM 100
 
In Plane Flow Pressure: 200kN/m2 BS6906: Part 7
Hydraulic gradient: 0.1
Contact surface: 25 mm foam
Flow: 0.88 l/m/sec
Hydraulic gradient: 1.0
Flow: 0.88 l/m/sec
 

Hydraway 300 Physical Properties

 
Flow Rate through Composite Head 100 mm BS6906: Part 3
(Modified) STM101
Flow: 124.2 l.m2/sec from top
 
Compression under
Shear & Normal Loads
% Compression at 105 hr
(from 0.1 hr) = 1.16%
STM100
 
In Plane Flow Pressure: 200 kN/m2 BS6906: Part 7
Hydraulic gradient: 0.1
Contact surface: 12mm foam
Flow: 1.07 l/m/sec
Hydraulic gradient: 1.0
Flow 3.25 ./m/sec