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Technical Indicators of Composite Drainage Network(Q/78543358-5.1-2007)
The landfill of highway subgrade and pavement drainage;drainage;railway tunnel drainage; drainage; drainage of underground structure,block Wall back garden and field drainage drainage.
Key words :
Technical Indicators of Composite Drainage Network(Q/78543358-5.1-2007)
Category :
Tr-dimension composite geonet for drainage
Details description
Description:
Tr-dimension composite geonet for drainage
Three dimensional 150/2-1600/2 composite drainage net
Three dimensional composite drainage net by the unique three-dimensional geonet double bonded geotextiles.A combination of geotextile (filtrate) and geonet (drainage and protection),providing a complete*filter,drainage,protection' effect.
Three dimensional composite drainage net core unique three-dimensional structure,able to bear high compressive load used in the whole process, and can keep the equivalent thickness, provide good rate of water.
Typical application:The landfill of highway subgrade and pavement drainage;drainage;railway tunnel drainage; drainage; drainage of underground structure,block Wall back garden and field drainage drainage.
The characteristics of 3D composite drainage net：
1、The drainage ability is strong,can withstand the long-term high load
2、The high tensile strength and shear strength of the pit
3、To reduce the probability of the geotextile is embedded in the network core,can protect the long-term stability of the rate of water
4、The three-dimensional composite drainage net can withstand more than 2000kpa compression Load
5、 far greater than the ordinary drainage network resilience
Technical Indicators of Composite Drainage Network(Q/78543358-5.1-2007)
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project name |
Composite drainage network |
Composite drainage board |
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TRA252 |
TRA250 |
TRB254 |
TRB256 |
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complex |
Quality per unit area/(g/㎡) |
≥1400 |
≥1200 |
≥1600 |
≥1800 |
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thickness/(mm) |
≥7.0 |
≥6.0 |
≥8.0 |
≥8.0 |
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Peel strength（kN/m） |
portrain |
≥18.0 |
≥16.0 |
≥18.0 |
≥18.0 |
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transverse |
≥10.0 |
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water conductivity/(㎡/s) |
≥1.2×10^(-3) |
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Peel strength （kN/m） |
Mesh core and non-woven fabric |
≥0.25 |
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Mesh core and composite film |
----- |
≥0.3 |
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network core |
thickness/(mm) |
≥5.0 |
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longitudinal tensile strength （kN/m） |
≥15.0 |
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Non-woven fabric |
Quality per unit area/(g/㎡) |
≥200 |
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transverse tensile strength （kN/m） |
≥6.0 |
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Normal permeability coefficient (㎝/s) |
≥0.3 |
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Composite membrane |
Quality per unit area/(g/㎡) |
------ |
≥400 |
≥600 |
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transverse tensile strength （kN/m） |
≥4.0 |
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hydrostatic pressure resistance (MPa) |
------ |
≥0.10 |
≥0.20 |
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Application:
The landfill of highway subgrade and pavement drainage;drainage;railway tunnel drainage; drainage; drainage of underground structure,block Wall back garden and field drainage drainage.
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