Emva kwenani elikhulu leemeko ze-aquaculture, kugqitywa ukuba ngokubeka phantsi kwechibi, amanzi echibini ahlukaniswe nomhlaba ukuze afezekise injongo yokukhusela amanzi. Sisisombululo esifanelekileyo sokusebenzisa i-polyethylene ephezulu ye-HDPE geomembrane njengomgca ophantsi we-pool ukukhusela ukuvuza.
Itekhnoloji yemveliso ye-HDPE geomembrane iye yaphule umgaqo we-textile, kwaye isebenzisa ulwazi lwesayensi yanamhlanje. Indlela yayo yokusetyenzwa kukucwangcisa ngokungenamkhethe imicu emifutshane yelaphu okanye imicu ukuze yenze ulwakhiwo lwefiber mesh.
Ngexesha lokubeka i-HDPE geomembrane, imibimbi eyenziweyo kufuneka igwenywe kangangoko kunokwenzeka. Xa ubeka i-HDPE i-geomembrane, inani lokwandiswa kunye nokunciphisa okubangelwa utshintsho lweqondo lokushisa kufuneka lugcinwe ngokuhambelana noluhlu lokutshintsha kweqondo lokushisa kunye neemfuno zokusebenza ze-HDPE geomembrane. Ukongezelela, inani lokwandiswa kunye nokuncipha kwe-geomembrane kufuneka ligcinwe ngokwendawo yesayithi kunye neemeko zokubeka i-geomembrane. Ukulungelelanisa ukuhlaliswa okungalinganiyo kwesiseko.
Ukwakhiwa kunye nokwakhiwa kwe-HDPE geomembrane kufuneka kwenziwe xa ubushushu bungaphezu kwe-5℃, amandla omoya angaphantsi kwenqanaba lesi-4, kwaye akukho mvula okanye ikhephu. Inkqubo yolwakhiwo lwe-hdpe geomembrane iqhutywa ngolu hlobo lulandelayo: ukubekelwa i-geomembrane → ukulungelelanisa i-welding seams → ukuwelda → uhlolo lwendawo → ukulungisa → ukuhlola kwakhona → ukuzaliswa ngasemva. Ububanzi bokudibanisa phakathi kweembrane abuyi kuba ngaphantsi kwe-80 mm. Ngokuqhelekileyo, ulwalathiso lwelungiselelo elidibeneyo kufuneka lilingane nomgca we-slope esiphezulu, oko kukuthi, ulungelelanise kunye ne-slope direction.
Emva kokuba i-hdpe geomembrane ibekwe, ukuhamba kwi-membrane surface, izixhobo ezithwalayo, njl. Izinto ezinokubangela ingozi kwi-hdpe geomembrane akufanele zibekwe kwi-geomembrane okanye zithwalwe ngelixa uhamba kwi-geomembrane ukuphepha ukonakalisa i-membrane ye-hdpe. ebangela umonakalo ngengozi. Bonke abasebenzi kwisiza sokwakha i-membrane ye-HDPE abavumelekanga ukuba batshaye, abavumelekanga ukuba banxibe izihlangu ezinezikhonkwane okanye izihlangu eziqinileyo ezinezithende eziqinileyo ukuze bahambe kwi-membrane yomhlaba, kwaye abavumelekanga ukuba babandakanyeke kuyo nayiphi na imisebenzi enokuthi yonakalise I-anti-seepage membrane.
Emva kokuba i-hdpe geomembrane ibekwe, ngaphambi kokuba igqunywe ngoluhlu olukhuselayo, i-sandbag ye-20-40kg kufuneka ibekwe yonke i-2-5m kwiimbombo ze-membrane ukukhusela i-geomembrane ukuba ingavuthelwa ngumoya. I-HDPE geomembrane anchorage kufuneka yakhiwe ngokoyilo. Kwiindawo ezinomhlaba onzima kwiprojekthi, ukuba iyunithi yokwakha iphakamisa ezinye iindlela zokubambelela, kufuneka ifumane imvume yeyunithi yoyilo kunye neyunithi yokulawula ngaphambi kokuqhubeka.
Indima ye-geomembrane edibeneyo kubunjineli bendlela ngokhuseleko lokuqina
1. Indima ye-geomembrane ehlanganisiweyo kubunjineli bendlela
1. Isiphumo sokuzahlula
Ukubeka i-geomembrane edibeneyo phakathi kwezinto ezimbini ezahlukeneyo, phakathi kweedayamitha eziziinkozo ezahlukeneyo zesixhobo esifanayo, okanye phakathi komphezulu womhlaba kunye ne-superstructure kunokuyahlula. Xa umgangatho wendlela uphantsi kwemithwalo yangaphandle, nangona izinto eziphathekayo I-geomembrane edibeneyo icinezelwe omnye komnye phantsi kokunyanzeliswa, kodwa ngenxa yokuba i-geomembrane edibeneyo ihlukaniswe phakathi, ayixubeki okanye ikhuphe kunye, kwaye inokugcina yonke into. ubume kunye nomsebenzi wesiseko sendlela. Isetyenziswa kakhulu kwimigaqo kaloliwe, koohola bendlela abangaphantsi, iiprojekthi zamadama omhlaba wamatye, umhlaba othambileyo woLungiso olusisiseko kunye nezinye iiprojekthi.
2. Isiphumo sokukhusela
I-geomembrane edibeneyo inokudlala indima ekusasazeni uxinzelelo. Xa amandla angaphandle adluliselwa ukusuka kwenye into ukuya kwenye, inokubola uxinzelelo kwaye ithintele umhlaba ukuba ungonakaliswe ngamandla angaphandle, ngaloo ndlela ukhusela isiseko sendlela. Umsebenzi wokukhusela we-geomembrane edibeneyo ngokukodwa ukukhusela indawo yokudibanisa yangaphakathi, oko kukuthi, i-geomembrane edibeneyo ifakwe phakathi kwezinto ezimbini kwisiseko sendlela. Xa omnye umbandela uphantsi koxinezeleko olunzulu, omnye umbandela awusayi konakaliswa.
3. Ukuqinisa umphumo
I-geomembrane edibeneyo inamandla aphezulu okuqina. Xa ingcwatyelwe emhlabeni okanye kwindawo efanelekileyo kwisakhiwo sepavumente, inokusasaza uxinzelelo lomhlaba okanye isakhiwo sepavumente, idlulise uxinzelelo lwe-tensile, inciphise ukushenxiswa kwayo ecaleni, kwaye yandise ukudibanisa kwayo nomhlaba okanye indlela. Ukukhuhlana phakathi kwezinto zomaleko wolwakhiwo kwandisa ukomelela komhlaba okanye kwipavumente yesakhiwo somaleko kunye ne-geosynthetic material composite, ngaloo ndlela kunyanzeliswa ubume bomaleko womhlaba okanye wendlela yabahambi ngeenyawo, inqanda okanye icutha ukuhlaliswa okungalinganiyo komhlaba, nokuphucula umgangatho womhlaba. Okanye ukuzinza komgangatho wesakhiwo se-pavement kunomsebenzi wokuqinisa.
Nangona i-geomembranes edibeneyo idlala iindima ezininzi kwiiprojekthi zendlela, zidlala indima ephambili kunye neyesibini kwiindawo ezahlukeneyo zeprojekthi. Umzekelo, xa ubeka phakathi kwesiseko segrabile kunye nesiseko sohola wendlela, indima yokwahlukaniswa ngokubanzi iyona nto iphambili, kwaye ukhuseleko kunye nokomelezwa kweyesibini. Xa ukwakhiwa kweendlela kwiziseko ezibuthathaka, umphumo wokuqiniswa kwe-geomembrane edibeneyo unokulawula umhlaba.
Ixesha lokuposa: Oct-12-2023