Ama-geomembrane liners ayizinto ezibalulekile ezisetshenziswa kumaphrojekthi ahlukahlukene wokwakha kanye nemvelo ukuvimbela ukugeleza koketshezi namagesi. Phakathi kwezinhlobo ezahlukene zamalayini we-geomembrane atholakala emakethe, i-HDPE (High-Density Polyethylene), i-PVC (Polyvinyl Chloride), kanye ne-LLDPE (Linear Low-Density Polyethylene) i-geomembrane liners isetshenziswa kabanzi. Uhlobo ngalunye lwei-geomembrane linerinezindawo zayo ezihlukile kanye nezicelo, okwenza kube semqoka ukuqonda umehluko phakathi kwazo.
HDPE geomembrane linerszenziwe nge-polyethylene ephezulu-density, i-polymer ye-thermoplastic eyaziwa ngezici zayo eziqinile nezihlala isikhathi eside. Amalayini e-HDPE avame ukusetshenziswa ezinhlelweni lapho kudingeka ukumelana namakhemikhali aphezulu kanye nokumelana ne-UV, njengakumalayini wokulahla imfucumfucu, ukusebenza kwezimayini, namalayini echibi. Amandla aqinile wezinto eziqinile kanye nokumelana nokubhoboza kuyenza ifanelekele amaphrojekthi adinga ukuqina nokuvikelwa ezicini zemvelo.
PVC geomembrane liners, ngakolunye uhlangothi, zenziwe nge-polyvinyl chloride, i-polymer yepulasitiki yokwenziwa eyaziwa ngokuguquguquka kwayo nokumelana namakhemikhali. Amalayini e-PVC avame ukusetshenziswa ezinhlelweni lapho ukuguquguquka nokushisela kubalulekile, njengokuqukatha amanzi, amachibi okuhlobisa, namachibi ezolimo. Amalayini we-PVC geomembrane aziwa ngokufakwa kwawo kalula kanye nekhono lokuhambisana nezindawo ezingajwayelekile, okuwenza abe yinketho edumile kumaphrojekthi ahlukahlukene wokuqukatha.
LLDPE geomembrane linerszenziwe nge-polyethylene ene-low-density low-density, into eguquguqukayo futhi eqinile eyaziwa ngokumelana nokubhoboza kanye nezindawo zokwelula. Olayini be-LLDPE bavame ukusetshenziswa ezinhlelweni lapho ukuguquguquka nobude kubaluleke kakhulu, njengakumakhava antantayo, okokuqukatha okwesibili, nama-canal liner. Ikhono lezinto ezibonakalayo lokuhambisana ne-substrate nokumelana nama-punctures liyenza ifanele amaphrojekthi adinga izinga eliphezulu lokuguquguquka nokuqina.
Uma uqhathanisa i-HDPE, i-PVC, ne-LLDPE geomembrane liners, umehluko omkhulu obalulekile uyabonakala. Ama-liner e-HDPE aziwa ngamandla awo aphezulu aqinile kanye nokumelana namakhemikhali, okuwenza afanelekele izinhlelo zokusebenza lapho ukuqina kwesikhathi eside kubalulekile. Amalayini e-PVC aziswa kakhulu ngenxa yokuguquguquka nokushisela kwawo, okuwenza alungele amaphrojekthi adinga ukufakwa kalula nokuhambisana nendawo engajwayelekile. Amalayini e-LLDPE aziswa ngokuguquguquka kwawo kanye nokumelana nokubhoboza, okuwenza afanelekele izinhlelo zokusebenza ezidinga izinga eliphezulu lokuqina nokwelula.
Sengiphetha, ukukhetha phakathi kwe-HDPE, PVC, ne-LLDPE geomembrane liners kuncike ezidingweni ezithile zephrojekthi. Uhlobo ngalunye lwei-geomembrane linerinikeza izici eziyingqayizivele kanye nezinzuzo, okwenza kubaluleke ukucabangela izici ezifana nokumelana namakhemikhali, ukuguquguquka, nokumelana nokubhoboza lapho kukhethwa izinto ezifanele kakhulu zohlelo oluthile. Ngokuqonda umehluko phakathi kwe-HDPE, i-PVC, ne-LLDPE geomembrane liners, onjiniyela nabaphathi bephrojekthi bangenza izinqumo ezinolwazi ukuze baqinisekise impumelelo nokuphila isikhathi eside kwamaphrojekthi abo okuvikela kanye nokuvikela imvelo.
Isikhathi sokuthumela: Jul-25-2024