Geomembrane Composite Nonwoven Geotextile And Membrane Compound Hdpe Compound Membrane

double layers geotextile single layer membrane
1,Introduction
CompoundGeomembraneismadeofcompositegeotextileandgeomembraneimpermeablematerial,Ononeorbothsidesofthefilmthroughtheinfraredheatingoven,thegeotextileandthegeomembranefromtheguiderolltoformageomembrane.
Withtheimprovementoftheproductionprocess,thereisacastingmethoddogeomembranecraft.Itismainlyusedimpermeablegeomembraneintoaclothmembraneandtwoclothonemembrane,multi-fabricmulti-film.TomeettheneedsofCivilEngineering,irrigation,municipal,construction,transportation,subways,tunnelsandsoon.
2,Feature
Physicalandmechanicalpropertiesoftensilestrength,tearresistance,burstingandotherindicatorsofhigh,CompoundGeomembranewithhighstrength,goodelongationproperties,deformationmodulus,acid,corrosionresistance,anti-aging,anti-seepageperformancecharacteristics.
Tomeetirrigation,municipal,construction,transportation,subways,tunnels,constructionofseepage,isolation,reinforcement,crackreinforcement,civilengineeringneeds.
3,Application
(1)Earthworkdam,rock-filldam,masonrydamandconcretedam;
(2)Horizontalimperviousblanketofembankmentanddamfront,verticalimperviousbarrieroffoundation;
(3)Tailingdam,dambodyandreservoirregionofsewagereservoir;
(4)Constructioncofferdam;
(5)Canal,liquidbath(pit,coffinpit);
(6)Wastestorage;
(7)Seepagecontrolliningforsubway,basementandtunnel;
(8)Roadbedofspeedwayandrailway;
(9)Saltingpreventionofroadbedandotherfoundation;
(10)Waterproofofswellingsoilandcollapsibleloess;
(11)Roofingleakresistance;
4,Classification
(1)Onelayergeotextileandonelayergeomembrane:
geotextilefrom100g/m2to1000g/m2,geomembranethicknessfrom0.1mto1.5mm;
(2)Twolayersgeotextileandonelayergeomembrane:
geotextilefrom80g/m2to600g/m2,geomembranethicknessfrom0.2mmto1.5mm;
(3)Twolayersgeomembraneandonelayergeotextile:
geotextilefrom100g/m2to1000g/m2,geomembranethicknessfrom0.1mmto0.8mm;
(4)Multi-layers:
geotextilefrom100g/m2to1000g/m2;geomembranethicknessfrom0.1mmto0.8mm;
5,Specification
Table1,
Technicalindexofshortfiberneedlepunchednonwovencompoundgeomembrane
No.
Project
Unitweightg/m2
400
500
600
700
800
900
1000
1
ThicknessofMembranemm
0.25-0.35
0.3-0.5
2
Breakingstrengthkn/m
5.0
7.5
10
12
14
16
18
3
Elongationatbreak%
30-100
4
CBRmullenBurstStrengthKN≥
1.1
1.5
1.9
2.2
2.5
2.8
3.0
5
TearstrengthKN≥
0.15
0.25
0.32
0.40
0.48
0.56
0.62
6
PellStrengthN/cm≥
6
7
Hydraulicpressure
Astable2
8
Verticalpermeabilitycoefficient/(cm/s)
(1.0-9.9)x10-11~-13
Table2,
Item
Thicknessofgeomembrane(mm)
0.2
0.3
0.4
0.5
0.6
0.7
0.8
1.0
HydraulicpressureMPa≥
Geotextile+Geomembrane
0.4
0.5
0.6
0.8
1.0
1.2
1.4
1.6
Geotextile+Geomembrene+Geotextile
0.5
0.6
0.8
1.0
1.2
1.4
1.6
1.8
Packing:
Wovenbag,width1.0m-6.0m(normal5.8m),length50m-100m.