Inethiwekhi yokukhupha amanzi edityanisiweyo enamacala amathathu Ibekwe phakathi kwesiseko kunye nesiseko esingaphantsi komhlaba ukuze kuphume amanzi aqokelelweyo phakathi kwesiseko kunye nesiseko esingaphantsi komhlaba, kuthintelwe amanzi e-capillary kwaye kudityaniswe ngempumelelo kwinkqubo yokukhupha amanzi emphethweni. Olu lwakhiwo lufinyeza ngokuzenzekelayo indlela yokukhupha amanzi yesiseko, lufinyeza kakhulu ixesha lokukhupha amanzi, lunokunciphisa inani lezixhobo zesiseko ezikhethiweyo ezisetyenzisiweyo, kwaye lunokwandisa ubomi benkonzo yendlela. Inethiwekhi yokukhupha amanzi edityanisiweyo enamacala amathathu Yenziwe nge-geotextile ekhethekileyo enamacala amathathu ene-geotextile ebotshelelwe macala amabini. Idibanisa i-geotextile (isenzo sokulwa nokuhluza) kunye ne-geonet (isenzo sokukhupha amanzi kunye nokukhusela) ukubonelela ngempumelelo epheleleyo "yokukhusela ukuhluza amanzi". Ukubeka inethiwekhi yokukhupha amanzi edityanisiweyo enamacala amathathu kunokunceda ukunciphisa imiphumo yokunyuka kweqabaka. Ukuba iqondo lobunzulu bokuqandisa linzulu kakhulu, i-geonet inokubekwa kwindawo engaphantsi komhlaba kwisiseko njenge-capillary blockage. Ukongeza, kudla ngokufuneka ukuba ithathelwe indawo nge-granular subbase engenakuthambekela kwi-frost heave, eya kufikelela kwiqondo lobunzulu bokuqandisa. Umhlaba ozaliswa yingqele othanda ukugcwala ungazaliswa ngokuthe ngqo kwinethiwekhi yokukhupha amanzi edibeneyo enamacala amathathu ukuya kumgca womhlaba wesiseko. Kule meko, inkqubo inokudityaniswa kwindawo yokukhupha amanzi ukuze umgangatho wamanzi angaphantsi komhlaba ulingane okanye ungaphantsi kweli nqanaba lobunzulu. Ngale ndlela, uphuhliso lweekristale zokwenza umkhenkce lunokuncitshiswa, kwaye akukho mfuneko yokunciphisa umthwalo wezithuthi xa umkhenkce unyibilika entwasahlobo kwiindawo ezibandayo.
Okwangoku, indlela ephambili yokwakha uqhagamshelo lwenethiwekhi yokukhupha amanzi edibeneyo enamacala amathathu kukuthunga ngokuhlanganisana:
Umphetho: ecaleniInethiwekhi yokukhupha amanzi yeGeocomposite I-geotextile esezantsi ijikelezwe phakathi kwazo. Uqhagamshelo: Isiseko se-drainage mesh esiphakathi kwe-geocomposite drainage nets esikufutshane siqhagamshelwe ngentambo yentsimbi, iintambo zeplastiki okanye iibhanti zenylon. Ukuthunga: I-geotextile kumaleko we-geocomposite drainage net esikufutshane ithungwa ngumatshini wokuthunga webhegi ephathekayo.
Ulwakhiwo olulodwa olunemilinganiselo emithathu lwesiseko sokuhambisa amanzi esidityanisiweyo esinomlinganiselo wesithathu lunokumelana nemithwalo ephezulu yokuxinwa ngexesha lonke lenkqubo yokusetyenziswa, kwaye lunokugcina ubukhulu obukhulu, lubonelela ngokuhambisa kakuhle amanzi.
Ipleyiti echasene nokuKhutshwa kwamanzi (eyaziwa ngokuba yi-composite-dimensional drainage net, i-drainage grid) luhlobo olutsha lwezinto ze-geotechnical zokukhupha amanzi. Nge-polyethylene enoxinano oluphezulu (HDPE) Njengezinto eziluhlaza, icutshungulwa ngenkqubo ekhethekileyo yokubumba i-extrusion kwaye ineeleya ezintathu zesakhiwo esikhethekileyo. Iimbambo eziphakathi ziqinile kwaye zilungelelaniswe ixesha elide ukwenza umjelo wokukhupha amanzi, kwaye iimbambo eziphezulu nezisezantsi ezicwangciswe ngomnqamlezo zenza inkxaso yokuthintela i-geotextile ukuba ingangeniswa kumjelo wokukhupha amanzi, onokugcina ukusebenza okuphezulu kokukhupha amanzi nokuba phantsi kwemithwalo ephezulu. I-geotextile ebotshelelwe macala omabini esetyenziswa ngokudibeneyo, eneempawu ezipheleleyo "zokukhusela ukuhluza okungasemva kokukhupha amanzi" kwaye okwangoku sisixhobo esifanelekileyo sokukhupha amanzi.
Ixesha leposi: Matshi-14-2025
