Izinqwaba zensimbi ezigoqiwe ezishisayo: izinhlelo zokusebenza eziningi kubunjiniyela bezokwakha

Izinqwaba zensimbi ezigoqwe ngokushisa, njengenqwaba yensimbi edumile yaseLarsen, ziyingxenye ebalulekile yamaphrojekthi ahlukahlukene obunjiniyela bokwakha. Lezi zingxenye zenqwaba yensimbi zitholakala ngezinhlobo ezahlukene okuhlanganisaInqwaba yeshidi lohlobo lwe-Ukanye nenqwaba yeshidi engu-Z futhi zisetshenziswa kabanzi ekwakheni ngenxa yokuqina kwazo, amandla kanye nokuguquguquka kwazo. Ngakho-ke, abahlinzeki benqwaba yeshidi lensimbi badlala indima ebalulekile ekuhlinzekeni lezi zinto ezibalulekile embonini yokwakha.
Ukusetshenziswa kabanzi kwezinqwaba zeshidi ezigoqiwe ezishisayo kubunjiniyela bezokwakha kuyamangalisa ngempela. Lezi zinqwaba zivame ukusetshenziswa ekwakheni izindonga zokugcina, ama-cofferdams kanye nama-bulkhead. Amandla azo okubekezelela ingcindezi enkulu nokunikeza ukwesekwa kwesakhiwo kuzenza zibe zilungele ukwakha izisekelo ezizinzile ezindaweni ezinezimo zenhlabathi eziyinselele. Ngaphezu kwalokho,inqwaba yensimbi egoqwe ngokushisa uhlobo 2zivame ukusetshenziswa ekuthuthukisweni kwezakhiwo ezingaphansi komhlaba njengezindawo ezingaphansi komhlaba kanye nezindawo zokupaka izimoto ezingaphansi komhlaba njengesivikelo esisebenzayo ekungeneni kwenhlabathi namanzi.

Enye yezinzuzo eziyinhloko zenqwaba yensimbi egoqwe ngokushisa ukuthi kulula ukuyifaka. Ukwakheka kwayo okuxhumene kuvumela ukuhlanganiswa okusheshayo nokusebenza kahle, kunciphisa isikhathi sokwakha kanye nezindleko. Lokhu kubenza babe ukukhetha okukhangayo kwezinhlobonhlobo zamaphrojekthi obunjiniyela bezakhiwo, kusukela ekwakhiweni kwezindlu ezincane kuya ezinhlelweni ezinkulu zengqalasizinda.
Ngaphezu kwalokho, ukuguquguquka kwezinhlobo zezinqwaba zensimbi kwenza zifaneleke kokubili ukusetshenziswa kwesikhashana kanye nokwaphakade. Kungakhathaliseki ukuthi zigcinwa okwesikhashana ngesikhathi sokwakha noma zisetshenziswa isikhathi eside ezindaweni zasolwandle, izinqwaba zeshidi ezigoqwe ngokushisa zinikeza izixazululo ezinokwethenjelwa ezinseleleni ezahlukahlukene zobunjiniyela.
Ngamafuphi, ukubaluleka kwe-hot-rolledizinqwaba zeshidi lensimbikubunjiniyela bezakhiwo akunakuphikiswana. Amandla azo, ukuqina, kanye nokuzivumelanisa nezimo kuzenza zibe yinto ebalulekile kumaphrojekthi ahlukahlukene okwakha. Njengoba isidingo salezi zinto siqhubeka nokukhula, abahlinzeki bezinqwaba zensimbi badlala indima ebalulekile ekuhlinzekeni ngemikhiqizo esezingeni eliphezulu ukuze kuhlangatshezwane nezidingo zomkhakha wokwakha. Ngezinhlelo zabo zokusebenza ezahlukahlukene kanye nokusebenza okuqinisekisiwe, izinqwaba zensimbi ezigoqwe ngokushisa zizoqhubeka nokuba yitshe lesisekelo lobunjiniyela bezakhiwo eminyakeni ezayo.