Iziphumo namafitting zimele izakhiwo ezibalulekile ngaphakathi kwama-sistimu okukhulula amanzi emathunjini, zisebenza njengenethiwekhi yokuhlanganisa nokuhlukanisa ephakathi evumela amanzi angaphansi komhlaba ukuthi akhishwe ezindaweni eziningi zokuphola uhlelo lwezokwelapha noma ezindawo zokukhishwa. Emkhakheni we-geotechnical kanye ne-deep foundation engineering, la ma-sistimu abalulekile ekulawuleni amazinga amanzi angaphansi komhlaba ngesikhathi sokwakhiwa kwamathala, izakhiwo zokupaka ngaphansi komhlaba, imigudu, kanye nezinye izinsiza zokwakha eziphakathi lapho kudingeka ukwehla kwesizinda samanzi okwesikhashana noma okuphakade. Iziphumo zisebenza njengezixhumanisi ezinkulu ezihlanganisa ama-wellpoints ngamaphoyinti aphezulu, ziqoqe amanzi ngaphantsi kokucindezelwa okulawulwa futhi ziqhuba phakathi kwezinyathelo zokwelapha okuhlanganisa izinkundla zokuhlola, amathuluzi okukhulula amanzi, kanye nezinhlelo zokukhishwa zokugcina. Ukukhetha nokuklama izinhlelo zeziphumo kuncike kakhulu emikhiqizweni yamanzi angaphansi komhlaba, izinga lokugeleza, izimo zokuvuleka komhlabathi, kanye nezinga lokumba. Emhlabathini onezinto ezincane njengezinhlaka ne-clays ezinomphumela ophansi, ukukhulula amanzi ngokuhlakanipha okukhethekile kwama-header mains kuba okubalulekile ukugwema ukuhamba komhlabathi, ukuwa kokuzinza, kanye noshintsho oludlulele emikhakheni yokwakha. Usayizi weziphumo ucalwa ngokususelwa ezintweni ezilindelekile ezidingekayo, inani lama-wellpoints ohlelweni, kanye nezinto zokukhishwa ezilindelwe, eziyisilinganiso esivamile esisukela ku-50mm kuya ku-150mm kuya ngosayizi wezinhlelo. Amafitting—okuhlanganisa ukuhlanganyela, ama-valve e-ball, ama-valve okuhlola, kanye nezinhlelo zokuhlanganisa—kufanele akhethwe ukuze afane ne-materiel ye-header main, izilinganiso zengcindezi, kanye ne-corrosive noma i-erosive potential yamanzi angaphansi komhlaba akhishwe. Amafitting aphezulu okuphuma, okwenziwe ngensimbi eyakhiwe kahle, i-ductile iron, noma i-PVC aqinisekisa ukuzinza kwesistimu ngaphansi kokusebenza okuqhubekayo, agweme uku leaking okungathinta ukusebenza kokukhuculula futhi akhuphule izindleko zokusebenza. Ukufakwa kwenethiwekhi yezihloko kuhambisana kahle nezinhlelo zamapompo e-vacuum kanye ne-centrifugal ezijwayelekile ezisetshenziswe emaphrojekthini we-deep foundation, emisebenzini yokwakha izisekelo, kanye nemisebenzi yokuthuthukisa umhlaba. Ukuhlanganiswa kwezihloko kusebenza njengokuhlangana phakathi kwezingxenye ze-wellpoint eziphansi komhlaba ne-infrastructure yokwelapha phezulu, kudinga ukwakheka okuphumelelayo kokukhipha amanzi, ukuholdwa okuqinile ngokumelene namandla e-hydrostatic, kanye nokubekwa okuhle ukuyinciphisa ukulahleka kokugxila. Emigudwini eyinkimbinkimbi ebandakanya izindawo eziningi zokukhulula amanzi, izinhlelo ze-manifold header ezineziqedwa zokwahlukanisa zivumele ukukhetha okungafani kwezingxenye ze-wellpoint, kusheshiswe ukwehla ezindaweni ezithile kanye nokunciphisa ukusetshenziswa kwamandla jikelele kwenqubo. Iziphumo nemafitting akhishiwe kahle futhi ezifakwa kahle zigcina ukusebenza kwenqubo phakathi nezinsukwana ezinde zokukhulula amanzi, zisekela ukufezeka okuphephile kwabantu abasebenza ezindaweni ezinzima zokwakha, okukhwabanisa kwe-caisson, kanye nemisebenzi ye-foundation engineering ezimeni ezinzima ze-hydrogeological phakathi kwezinhlobo ezahlukahlukene zomhlabathi kanye nezimo zamanzi angaphansi komhlaba.
Izigaba zezakhiwo zephayiphi ziyizithako ezibalulekile kumasistimu okuhluza amanzi e-wellpoint asetshenziswa kakhulu emisebenzini yokwakha izisekelo ezijulile kanye nezokwakha ezihlobene ne-geotechnical. Lezi ziphayi ezikhethekile zisebenza njengendawo yokuhlanganisa eyinhloko, iqoqela amanzi akhishwe ezindaweni eziningi ze-wellpoint futhi ayiholele ezikhungweni zokwelashwa noma zokukhishwa. Emsebenzini wezisekelo, ikakhulukazi ezindaweni zokumba izinsiza, ama-cofferdams, nezakhiwo ezingaphansi komhlaba, izigaba zephayiphi zenza kube lula ukwehlisa umswakama wezamanzi ukuze kudaleke izimo ezizinzile nezomile zokusebenza. Lezi zinhlelo zenziwe ukuze ziphathe amanzi ahamba kahle kakhulu ngenkathi zigcina ukungamanga okujwayelekile kuyo yonke imithombo ehlobene, kuqinisekisa ukuhluza amanzi okuhle kulo lonke ububanzi bokumba. Izigaba zephayiphi ngokuvamile zenziwa ngensimbi noma impahla ye-polymeric eqinile ezilingana nokukhishwa okuhlanganisiwe okuvela ezindaweni ze-wellpoint, ngezincazelo ezivela ku-50mm kuya ku-300mm ububanzi kuye ngesisekelo somsebenzi kanye nezimo zamanzi aphansi. Ukufaka kuhilela ukubekezela okunembile emaphethelweni ezindawo zokumba, ngokunakwa okukhulu kumapheshana we-slope ahlinzeka ngokuhamba kwamanzi okungathathi hlangothi oluya ezindaweni zokuhlanganisa noma kumishini yokwelapha. Iziphayi zihlola nezindawo ze-wellpoint ngamasokheti okukhishwa eswazini esiguquguqukayo, zakha uhlelo oluvinjiwe olugcina ingcindezi engaphansi edingekayo ukuze kukhishwe amanzi. Izenzo zokuhluza zamanje zisebenzisa amasistimu e-vacuum kanye nokukhwabanisa okuhlangene namanethiwekhi ephayiphi, ngokwenza kahle ukukhipha amanzi ezimpandeni ezizimele nezixhunywe. Izicelo ziye zaphumelela ezimweni ezihlukahlukene ze-engineering yomhlaba okuhlanganisa umhlabathi onokuxhuma okuphansi, imsand, namadwala lapho ukuphuma okubanzi okwenziwa ngezandla kunganele. Ezindaweni ezinejoloji enobuqhawe—izendlalelo ze-clay, umhlabathi ohlangene, noma izimo ezithinteka kakhulu ekwehliseni umhlabathi—izinhlelo ze-wellpoint ezinezindaba zephayiphi ezihlelwe kahle ziqinisekisa ukulawula okunembile phezu kokwehla kwengcindezi ye-pore, kunciphisa ubungozi bokwehla kwezakhiwo ezithintanayo. Le techiniqe ibalulekile ekwakheni izisekelo ezijulile lapho ukujula kokumba kudlula emamethri angu-5 futhi izimpawu zamanzi phansi zidinga ukuphathwa isikhathi eside. Izigaba zephayiphi ezihlelwe ukuze zibe nezinyathelo eziningi zenza kube lula kubasebenzi ukuhlela izindawo zokukhishwa nezokuhlukaniswa kokugeleza njengoba ukumba kuqhubeka, kulungisa izimo ze-hydrogeological ezishintshashintshayo futhi kuqinisekisa ukuhluza okukhawulelekileyo, okuvikelayo. Abaklami abasebenzisa izinhlelo zephayiphi bathola izinzuzo ezibalulekile ekuphepheni kokwakha, ukuqinisekiswa kwesheduli, kanye nezindleko uma kuqhathaniswa neminye imithethonqubo yokuhluza. Ukukhula kwezinhlelo zephayiphi kuvumelana nezindawo ezincane ezilinganisiwe kanye nezinhlelo zezinhlaka ezinkulu, kusukela ekwakheni izikhala eziphansi ezindaweni zamaDolobha kuya ezigxotsheni ezinkulu ze-dam kanye nemigudu yokuhamba engaphansi komhlaba. Ukucaciswa, ukufakwa, futhi ukunakekelwa kwezigaba zephayiphi kudlulele ngqo emsebenzini ophumelelayo wokuhluza, ukuvimbela ukuwa komhlaba, ukuqinisekisa ukuvikeleka kwezinto, nokwenza kube lula ukwenziwa komsebenzi wezisekelo ezijulile ezimweni ezinzima zomhlabathi nendlela yokuphila kwe-hydrological.
Izakhamizi zokuqinisekisa zokuhlanganisa ziwuphawu olubalulekile ezinhlelweni zokukhipha amanzi ezikhashana ohlelweni lokwakha izisekelo ezijulile kanye nezicelo zokulawula amanzi aphansi. Lezi zinhlelo zokuhlanganisa eziguquguqukayo zisebenza njengezixhumanisi phakathi kwezinhlu zokukhipha amanzi ze-wellpoint, zivumela ukulungiswa okusheshayo kanye nezinguquko zokukhululeka emgqubeleni wezixhumanisi zamanzi ngenkathi zigcina ubumsulwa obunomthelela ngaphansi kwezimo zokusebenza ezihlukeneyo. Emiphakathini yokwakha izisekelo, ikakhulukazi lapho kudingeka izikhashana ezijulile, ukwakhiwa kwamabhentshi, kanye nokufakwa kwezitini, izixhumanisi zokuhlanganisa zenza kube lula ukuphathwa kwezinga lamanzi aphansi ngokuxhumanisa units ze-wellpoint kumapayipi aphakeme neziteshi zokupompa eziphakathi. Ubuqotho obukhona ekwakhiweni kwabo buhambisana nezimfuneko ezithile zomqondo wesiza kanye nezinguquko zendawo ezivame ukwenzeka ngesikhathi sokukhipha amanzi nokufaka izitini, kuqinisekisa ukusebenza okuqhubekayo kokukhipha amanzi ngaphandle kokuvuza noma ukuphazamiseka kohlelo. Ukufakwa kwezixhumanisi zokuhlanganisa kuvame ukufaka ama-couplings okwenza ngezinto ezithambile zepulasitiki noma eziphuzi ezingakwazi ukufaka izinhlu eziningi zokunyakaza ngenkathi zigcina ukuvalwa nokungena kwamanzi ngaphansi kwengcindezi. Lezi zinhlelo zakhelwe ukumelana nezinsiza ze-hydrostatic ezikhiqizwa ngamanzi aphumayo kanye nezinsiza zomshini ezithunyelwa ruchini ezivela emisebenzini yokufaka izitini noma yokwakha izisekelo ezijulile. Ukukhethwa kwezpecific ezixhumanisa zokuhlanganisa kusekelwe ezingeni lokuphuma kwamandla, ugqozi lwezithako, kanye nezimo zomhlabathi kanye namanzi aphansi. Emaphakathini aphakeme njengemayini yentaba okanye dibha, lapho ukwakha kuzophumelela ngaphezu kwamacm ambalwa ngesikhathi sokukhipha, umklamo ophathiswe kamnandi wezixhumanisi zokuhlanganisa uvimbela ukuhlanganisa ukucindezela nokunyakaza kwemiphetho eqinile. Emhlabeni eqinile nakuma-aquifers kanye ne-sandy, lezi zixhumanisi eziguquguqukayo zithola ukuthuthukiswa okuvela kumishini yokufaka izitini ezikhethiwe, kunciphisa umonakalo kuhlelo lokukhipha amanzi kanye nokuqinisekisa ukuhlala kwensiza. Ukusetshenziswa kwezixhumanisi zokuhlanganisa emaphakathini ezisekelo kuchaza izimo eziningi zokwakhiwa komhlabathi, kufaka phakathi ukufakwa kwezitini emhlabathini ethambile, ukufakwa kwezitini ezibholile emiphakathini eminingi, kanye nokwakhiwa kwemaphrinta adinga ukukhipha amanzi ngasikhathi sinye. Abakhi basebenzisa izixhumanisi zokuhlanganisa kuzo zombili izinhlelo ze-single ne-multi-stage wellpoint, kuye ngezinga lokukhulula kanye nezidingo zokwehliswa. Eminyakeni ejulile, ikakhulukazi ukuvikela izindonga zomphakathi kanye ne-tremie pipe, ukuphathwa kwemhlabeni okuzenzakalelayo ngendlela ephathekayo nezinhlelo ze-wellpoint ezihlelwe kahle ezihlinzeka ngezixhumanisi zokuhlanganisa ezanele kuvimba ukwenyuka kwemva, kunciphisa ukugcwalisa kwemifantu, futhi kugcine uzinzo lomhlaba. Ubulula bokwakha izinhlelo zokukhipha amanzi ze-wellpoint, kuhlanganiswe nokwenziwa okulula kokuhlanganiswa okukhishwa ezixhumanisini, kwenza kube lula ukuncintisana ngezimali ezinhlelweni ezithile lapho izixazululo eziqhubekayo zikhona zingaba nezindleko eziphakeme. Ukuhlanganiswa kwabo phakathi kwemithombo ye-mapayipi eqhamukayo kuqinisekisa ukuvalwa kwemithi yokugcina amanzi kusukela ezindaweni eziningi ze-wellpoints ziyahambelana neziteshi zokupompa eziphakathi, kuvumela abakhi ukuba bafeze ukutholwa kokukhipha amanzi ngesikhathi besagcina izimvume zokuphepha ezindaweni zokukhuhla ezibhekene nokukhululeka okuqhubekayo kwemishini yokwakha izisekelo.
Amavalvu wamabholi kanye nezici zewiring ziwumgogodla obalulekile ekulawuleni nasekushayeleni emifantwini yokukhipha amanzi ka-wellpoint ethathwa ikakhulukazi ezinhlelweni zokwakha izisekelo ezijulile kanye nezobunjiniyela bezehlakalo zomhlaba. Lezi zinhlelo zamavalvu ezenziwe kahle futhi isethi yokuxhumana isehlanganisweni yezenzo ezithinta ukuphathwa kwamanzi, ivumela abakhiqizi ukuphatha izinga lokugeleza kwamanzi, ukuhlukanisa izingxenye ezithile zemiphakathi yokukhipha amanzi, nokugcina ukusebenza kahle kohlelo ngenkathi kwenziwa ukuhumusha nobunjiniyela bezisekelo. Amavalvu wamabholi, ahlukaniswa ngezakhiwo zawo ezijikelezayo nezokusebenza okuphakathi, anikela ngokuqinile ekwahlukaniseni nasekuphunguleni imithombo eminingi yamanje yamapayipi ngokuya kwedivayisi yokpressure ehlukene. Izinsiza zewiring—okuhlanganisa amacouplings, ama-tee, ama-elbows, ama-unions, kanye nezinto zokushintsha—zivumela ukuhlelwa kwezakhiwo eziguquguqukayo futhi zivumele ukuhlangana kwamalinye amaphepha ka-wellpoint emiphakathini yephayiphi ejolile, elungisisa izidingo eziyimfuneko nezingejwayelekile emikhiqizweni eyinkimbinkimbi. Ezinhlelweni zokwakha ezijulile njengezikhungo ze-basement, ukwakhiwa kwamakhampasi e-pile, imifantu yokusika nokufaka, kanye nezinhlelo ezinkulu ze-infrastructure ezingaphansi komhlaba, amavalvu wamabholi kanye nezici zewiring avumela ukuphathwa kwe-hydraulic okufanele ngaphakathi komjikelezo wokukhipha amanzi. Ukwakhiwa kwabo okuqinile, okujwayelekile ukukhiqizwa ngezinto ezifana ne-brass, ductile iron, stainless steel, noma i-polyvinyl chloride, kuqinisekisa ubukhazikhazi ngaphansi kwezimo ezinzima zokusebenza kwezemoto zokuqeda amanzi lapho izinhlelo zingasebenza njalo isikhathi eside. Ikhono lokuhlukanisa izindawo ezithile ze-wellpoint kuvumela abakhiqizi ukuthi balinganisela ukuhoxiswa kwamanzi phakathi kwamabhasi amaningi, baphendule ezimeni zokwanda kwamanzi, futhi baphucule ukusetshenziswa kwamandla endaweni. Ukukhethwa kwama-vali kanye nezici ezihambelanayo—okuhlanganisa bonke ubukhulu be-pressure, amandla okugeleza, kanye nezinhlobo zokuxhumana—kubalulekile ekuphathweni kahle kohlelo nakubakhiqizi ukuze bafeze ibanga elidingekayo lokunciphisa amanzi okuyimfuneko ukuze kube nokusebenza okuphephile futhi okuphumelelayo. Ukukhethwa nokuqiniseka kwamavalvu wamabholi nezici zewiring ezifanele kudinga ukuqondisisa kwezidingo zokwakha okukodwa okufaka phakathi izinga elilindelekile lokugeleza, ukwehluka okulindelelwe kokucindezela kwamanzi, ukushintsha kwesizini emkhathini wamanzi, kanye nedatha yokuhlola umhlabathi evela ezinhlelweni zokucwaningwa. Ukuhlinzeka ngoxhaxha oluhlangene kanye nokusebenza okuqinisekile kwamavalvu kuvimbela ukulahleka kwamanzi, kwehlisa isikhathi sokululama, futhi kuvumela ukuthuthukiswa kwesistimu okusheshayo njengoba izinqubo zokwakha zikhula. Abakhiqizi abasebenza ezinhlelweni ezinzima ezihlanganisa umhlabathi obumbene, ama-layer e-clay, ama-silts, noma izindawo ezinokucindezela okuphezulu kwe-piezometric, bacabanga kakhulu ngalesi sikhungo se-valvu nezinsiza zewiring ezibhekelele ukusiza ukuhamba kwama-operations kokunciphisa okuhle. Ubulungiswa be-modular bezinhlelo zokukhipha amanzi ka-wellpoint zanamuhla, ezisekelwa ngamalavu ahambisanayo nezinsiza ezijwayelekile, zinikela ngokuqina okudingekayo ku-Engineering ukuze kuzishintshe izinqubo zokukhipha amanzi ezimweni zomhlaba ezithile ngenkathi kugcinwa ubukhazikhazi besistimu ngalesi sikhathi sokwakha.
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