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Iav fiber geogrid
Cov iav fiber geogrid yog ib hom geogrid tsim los ntawm kev siv alkali - dawb thiab tsis muaj fiber roving ua cov khoom siv tseem ceeb. Nws yog thawj zaug ua rau cov khoom siv net - qauv los ntawm cov txheej txheem tshwj xeeb weaving, thiab tom qab ntawd dhau los ntawm kev kho saum npoo. Cov iav fiber muaj lub zog siab, modulus siab, thiab elongation qis, muab lub hauv paus zoo rau cov khoom siv kho tshuab ntawm geogrid.
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Hlau-yas geogrid
Cov hlau-yas geogrid siv cov hlau muaj zog (lossis lwm cov fibers) ua lub hauv paus ntawm kev ntxhov siab. Tom qab kev kho tshwj xeeb, nws tau sib xyaw nrog cov yas xws li polyethylene (PE) lossis polypropylene (PP) thiab lwm yam khoom ntxiv, thiab cov txheej txheem extrusion tau tsim cov kab sib xyaw ua ke muaj zog tensile. Qhov saum npoo ntawm cov kab feem ntau muaj cov qauv embossed ntxhib. Txhua daim kab ces raug woven lossis clamped longitudinally thiab transversely ntawm qee qhov chaw, thiab cov pob qij txha tau welded los ntawm kev sib txuas tshwj xeeb thiab fusion vuam thev naus laus zis kom thaum kawg tsim cov hlau-yas geogrid. -
Biaxially - Stretched Yas Geogrid
Nws yog ib yam khoom siv geosynthetic tshiab. Nws siv cov polymers molecular siab xws li polypropylene (PP) lossis polyethylene (PE) ua cov khoom siv raw. Cov phaj raug tsim los ntawm kev ua yas thiab extrusion, tom qab ntawd punched, thiab thaum kawg ncab longitudinally thiab transversely. Thaum lub sijhawm tsim khoom, cov saw hlau siab molecular ntawm cov polymer raug rov teeb tsa thiab taw qhia thaum cov khoom raug cua sov thiab ncab. Qhov no ua kom muaj zog ntawm kev sib txuas ntawm cov saw hlau molecular thiab yog li ua rau nws lub zog nce ntxiv. Tus nqi elongation tsuas yog 10% - 15% ntawm cov phaj qub.
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Yas Geogrid
- Nws feem ntau yog ua los ntawm cov khoom siv polymer siab xws li polypropylene (PP) lossis polyethylene (PE). Pom tseeb, nws muaj cov qauv zoo li daim phiaj. Cov qauv daim phiaj no yog tsim los ntawm cov txheej txheem tsim khoom tshwj xeeb. Feem ntau, cov khoom siv polymer raw yog ua ntej rau hauv lub phaj, thiab tom qab ntawd los ntawm cov txheej txheem xws li xuas nrig thiab ncab, geogrid nrog daim phiaj ib txwm raug tsim. Cov duab ntawm daim phiaj tuaj yeem yog square, rectangular, diamond-puab, thiab lwm yam. Qhov loj ntawm daim phiaj thiab qhov tuab ntawm geogrid sib txawv raws li cov kev cai tshwj xeeb thiab cov qauv tsim khoom.
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Uniaxially - ncab yas geogrid
- Cov yas geogrid uas ncab ib sab yog ib hom khoom siv geosynthetic. Nws siv cov polymers molecular siab (xws li polypropylene lossis polyethylene siab) ua cov khoom siv tseem ceeb thiab ntxiv cov tshuaj tiv thaiv ultraviolet, tiv thaiv kev laus thiab lwm yam khoom siv ntxiv. Ua ntej, nws raug extruded rau hauv ib lub phaj nyias, tom qab ntawd cov qhov me me raug punched rau ntawm lub phaj nyias, thiab thaum kawg nws raug ncab ntev. Thaum lub sijhawm ncab, cov saw hlau molecular ntawm cov polymer siab molecular raug rov qab los ntawm lub xeev qub tsis sib xws, tsim cov qauv oval zoo li lub network nrog cov nodes faib sib npaug thiab muaj zog siab.
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