Marangrang a metsi a kopantsoeng a mahlakore a mararo. A beoa pakeng tsa motheo le subbase ho ntsha metsi a bokelletsoeng pakeng tsa motheo le subbase, ho thiba metsi a capillary le ho kenella ka katleho tsamaisong ea metsi a bohale. Sebopeho sena se khutsufatsa tsela ea metsi ea motheo ka bohona, se khutsufatsa nako ea metsi haholo, se ka fokotsa bongata ba thepa ea motheo e khethiloeng e sebelisoang, 'me se ka lelefatsa bophelo ba tšebeletso ea tsela. Marangrang a metsi a kopantsoeng a mahlakore a mararo a entsoe ka geotextile e khethehileng ea mahlakore a mararo e kopantsoeng ka mahlakore a mabeli. E kopanya geotextile (ketso ea ho thibela ho sefa) le geonet (ketso ea ho ntša metsi le tšireletso) ho fana ka katleho e felletseng ea "ts'ireletso ea ho thibela ho sefa metsi". Ho beha marangrang a metsi a kopantsoeng a mahlakore a mararo ho ka thusa ho fokotsa liphello tsa serame. Haeba tekanyo ea botebo ba serame e tebile haholo, geonet e ka beoa boemong bo sa tebang substrate e le thibelo ea capillary. Ho phaella moo, hangata ho hlokahala ho e nkela sebaka ka subbase e nang le granular e sa sekametseng serameng, e theohelang ho fihlela tekanyong ea botebo ba serame. Mobu o ka morao o sekametseng serameng o ka tlatswa ka ho toba marangrang a metsi a kopantsoeng a mahlakore a mararo ho fihlela moleng oa fatše oa motheo. Tabeng ena, sistimi e ka hokahanngoa le phallo ea metsi e le hore boemo ba metsi a ka tlas'a lefatše bo lekane kapa bo ka tlase ho tekanyo ena ea botebo. Ka tsela ena, nts'etsopele ea likristale tse etsang leqhoa e ka fokotsoa, 'me ha ho hlokahale hore ho fokotsoe moroalo oa sephethephethe ha leqhoa le qhibiliha nakong ea selemo libakeng tse batang.
Hona jwale, mokgwa o ka sehloohong wa kaho ya kgokelo ya marangrang a metsi a kopaneng a mahlakore a mararo ke ho kopanya kgokelo le ho roka:
Moqomo: haufi Marangrang a metsi a geocomposite Geotextile e ka tlase e kopane pakeng tsa tsona. Kgokelo: Karolo e ka hare ya letlooeng la metsi e bohareng ba matlowa a metsi a geocomposite a haufi e hokahantswe ka terata ya tshepe, dithapo tsa thapo ya polasetiki kapa mabanta a nylon. Ho roka: Geotextile e lera la letlooeng la metsi a geocomposite le haufi e rokwa ka mochini o nkehang habobebe wa ho roka.
Sebopeho se ikhethang sa mahlakore a mararo sa motheo wa letlowa la metsi a kopaneng a mahlakore a mararo se ka mamella meroalo e phahameng ya kgatello nakong yohle ya tshebetso ya tshebediso, mme se ka boloka botenya bo boholo, se fana ka tsamaiso e ntle ya hydraulic.
Poleiti e kopantsoeng e khahlanong le ho ntsha metsi (e tsejoang hape e le letlooa la ho ntsha metsi le nang le mahlakore a mararo, gridi ea ho ntsha metsi) ke mofuta o mocha oa thepa ea geotechnical ea ho ntsha metsi. Ka polyethylene e nang le bongata bo phahameng (HDPE) Jwalo ka thepa e tala, e sebetsoa ka mokhoa o ikhethileng oa ho bopa extrusion mme e na le mekhahlelo e meraro ea sebopeho se ikhethileng. Likhopo tse bohareng li tiile 'me li hlophisitsoe ka bolelele ho etsa kanale ea ho ntsha metsi, 'me likhopo tse ka holimo le tse ka tlase tse hlophisitsoeng ka sefapano li etsa tšehetso ho thibela geotextile ho kenngoa ka har'a kanale ea ho ntsha metsi, e ka bolokang ts'ebetso e phahameng ea ho ntsha metsi esita le tlas'a meroalo e phahameng. Geotextile e kopantsoeng ka mahlakoreng a mabeli e sebelisoa hammoho, e nang le thepa e felletseng ea "tšireletso ea ho sefa ka morao-ho ntsha metsi-ho hema" 'me hajoale ke thepa e loketseng ea ho ntsha metsi.
Nako ea poso: Hlakubele-14-2025
