Izisekelo ezingaphezu komhlaba zamathangi okugcina: Ubunjiniyela & Izinqubo Ezinhle Kakhulu
Kwadalwa ngo Ngokwamukisa
Izisekelo ezingaphezu kokuvuleka kwamathangi okugcina: Ubunjiniyela & Iziqondiso Ezinhle Kakhulu
Isisekelo Esingaphezu Komhlaba (esivame ukubizwa ngokuthi isisekelo esiphakeme) siyindlela yokuklama lapho isisekelo sethangi siphakanyiswa phezulu kusukela emhlabathini oyinhloko kusetshenziswa izisekelo ezakhiwe njengezindonga zeringi zikakhonkolo eziqinisiwe, izisekelo, noma izinhlelo zamabhemu. Ngokungafani neziisekelo ezakhiwe phezu komhlaba, imiklamo ephakeme yakhelwe ukuvimbela ukuqoqeka komswakama, ivumele ukufinyelela ekutholeni ukuvuza, futhi yenze kube lula ukuhlola ingaphansi kwethangi—ingxenye ebaluleke kakhulu futhi enzima ukuyifinyelela kunoma yisiphi isitsha sokugcina.
1. Kungani Ukhetha Isisekelo Esingaphezu Komhlaba?
Isinqumo sokuphakamisa ithangi siqhutshwa yizidingo zokuhlala isikhathi eside kwemvelo kanye nezidingo zokugcinwa kokusebenza.
● Ukunciphisa Ukugqwala: Ngokuphakamisa isisekelo sethangi, ususa "ukudonswa" komswakama wobumba esisekelweni sethangi, okuyimbangela enkulu yokwehluleka ngaphambi kwesikhathi emithonjeni yensimbi yekhabhoni kanye neyensimbi engagqwali.
● Ukufinyeleleka Kokuqapha: Imiklamo engaphezu komhlabathi ivumela onjiniyela ukuthi bahlole ngokomzimba isisekelo sethangi noma basebenzise ukuhlolwa okungabhubisi (NDT) ukuthola ukuncipha noma ukugqwala ngaphambi kokuba kuvuke ukuvuza.
● Ukutholwa Kokuphuma: Izisekelo eziphakanyisiwe zinikeza umbono ocacile ngaphansi kwethangi. Uma kwenzeka ukwehluleka kokuvinjelwa okuyinhloko, ukuvuza kubonakala ngokushesha esikhundleni sokungena emhlabeni, kuvimbele ukungcoliswa komhlabathi.
2. Izinhlobo Ezijwayelekile Zezisekelo Ezingaphezu Komhlabathi
A. Isisekelo Sodonga Lwendandatho Yakhiwe Ngokhokolo
Isixazululo esivamile kakhulu samathangi okugcina aphakathi kuya kwakhulu. Ukhokolo oluqiniswe ngokhokolo lwakhiwa ngaphansi komjikelezo wethangi. Isikhungo sigcwaliswa ngesihlabathi esicindezelwe noma itshe elihle.
B. Isisekelo se-Pier noma i-Pedestal
Kusetshenziswa emathangini amancane noma ezindaweni lapho ukugeleza kwamanzi kungaphansi kakhulu. Ithangi lisekelwa uchungechunge lwezinsika zikakhonkolo eziphakanyisiwe. Lokhu kwandisa kakhulu ukugeleza komoya ngaphansi kwezinga le-tank, likugcina lomile ngisho nasezindaweni ezithambekele ekugcwalele amanzi.
C. Ukusekelwa kwe-Beam ne-Grillage
Kuvamile ekucubunguleni amakhemikhali nezimboni. Amabhala ensimbi noma okhonkolo asekelayo athangi, avumela ukufakwa kwezishimula, ama-valve, nezinto zokushisisa ngqo ngaphansi kwesitsha.
3. Izinto Okufanele Zicatshangelwe Engunjiniyela Nasekuklameni
Ukuqinisekisa ukuhambisana kwezakhiwo namazinga afana ne-API 650 noma i-AWWA D103, okulandelayo kufanele kuxoxwe ngakho:
● Amandla Okuthwala Umthwalo Womhlaba: Ngoba isisindo sigxile odongeni lwendandatho noma ezinsikeni kunokuba sisakazeke kwi-slab ephelele, umhlaba ongaphansi kwezisekelo kumele uhlelwe kahle ukuze kuvinjelwe ukuhlala okungalingani, okungadala ukuthi uqweqwe lwe-tank luhlanekele.
● Ukungena komoya: Kuklamo oluyindilinga, izimbobo zokudlulisa umoya noma izimbobo zokungena komoya kumele zihlanganiswe odongeni lwe-concrete ukuze kuqinisekiswe ukuthi isikhala esingaphansi kwezinga letanki sihlala somile futhi asibambisi imisinga ebolisa izinto.
● Ukuvalwa nge-Mastic: Indawo ephakathi kwesikhumba setanki nesisekelo esiphakeme kumele ivalwe nge-mastic eqinile, evumelana nezimo ukuze kuvinjwe amanzi ukuthi angangeni esikhungweni esiphakathi.
4. Imephu yokuqhathanisa: Ukuklama Kwesisekelo
Ukukhetha uhlobo olufanele lwesisekelo kubalulekile ekulinganiseni i-CAPEX nezindleko zesondlo zesikhathi eside.
Isici | Engaphezu Komhlabathi (Udonga Lwendandatho) | I-Slab-on-Grade | I-Earth/Gravel Pad |
Ukuvikelwa Kokugqwala | Kuhle Kakhulu (Kwenyusiwe) | Phansi (Idinga umugqa) | Phansi kakhulu |
Ukufinyelela Okuhloliwe | Phezulu (Ukufinyelela Okubonakalayo) | Akukho | Akukho |
Ukusebenza kweSeismic | Phezulu (Uma kuhlanganisiwe) | Phakathi | Phakathi |
CAPEX Yasekuqaleni | Phezulu | Phakathi | Phansi |
Impilo Yesikhathi | Eyesidelelo Kunazo Zonke | Phakathi | Okufushane Kakhulu |
5. Imibuzo Evame Ukubuzwa (FAQ)
Umbuzo: Ngidinga i-liner uma ngisebenzisa isisekelo esingaphezu komhlaba?
Impendulo: Ngisho nesisekelo esiphakanyisiwe, i-liner ye-polyethylene enokuminyana okuphezulu (HDPE) noma isicelo esikhethekile sivame ukutuswa njengesinyathelo sokugcina sokuvimbela ukuze kuhlangatshezwane nemithetho yendawo mayelana nokuvikelwa kwamanzi angaphansi komhlaba.
Umbuzo: Ngingakwazi ukuguqula ithangi elikhona elisekelwe kuslabhu libe isisekelo esingaphezu komhlaba?
Impendulo: Ngokuvamile, cha. Izinhlobo zezisekelo zilungiswa ngesikhathi sokwakhiwa. Ukuzama ukuphakamisa ithangi eligcwele noma elingenalutho ukuze kufakwe uhlelo olusha lwesisekelo kuwumsebenzi oyingozi kakhulu wokukhipha amanzi ongadala ubungozi obukhulu ekwakhiweni kwethangi.
Umbuzo: Lesi sisekelo sithinta kanjani ukwakhiwa kwe-seismic?
A: Izisekelo eziphakemisiwe ngokuvamile zingcono ekusebenzeni ngesikhathi sokuzamazama komhlaba ngoba zivumela ukuxhumana okuqinile, okubonakalayo kwezibopho zamabhawodi. Esisekelweni esiyisitezi esiqinile, izibopho zamabhawodi zivame ukungcwatshwa noma zifinyeleleke kancane ukuhlola.
Izisekelo ezingaphezu kwesitezi zimelela indlela "engcono kakhulu" yengqalasizinda yezitsha. Ngenkathi zidinga utshalomali oluphakeme lokuqala uma kuqhathaniswa namaphedi amatshe alula, izinzuzo—okungukuvimbela ukugqwala, ukuhlola okulula, nokutholwa okusheshayo kwezivuza—zinikeza Izindleko Zokuba Nazo Zizonke (TCO) eziphansi kakhulu. Ezintweni ezibalulekile emanzini omphakathi, ukucubungula amakhemikhali, noma ukugcina uwoyela, isisekelo esingaphezu kwesitezi siyizinga lemboni lokunciphisa ubungozi.
Ngabe okwamanje ukhetha uhlobo lwesisekelo sephrojekthi yokugcina ezayo, futhi ungathanda ukucubungula kabanzi izidingo zamandla okuthwala umhlabathi ngobubanzi bezitsha ezithile noma imithwalo ye-hydrostatic?
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