Izikhonkwane ze-Kelly ezihlangene ziyizinto ezibalulekile ekwakhiweni kwezimiso ezijulile nasekushintsheni kwezobuchwepheshe, eziklanyelwe ngokukhethekile ukuze zisetshenziswe nezigayo zokumba ezihlukahlukene ezifana nokushumeka nokuthuthukiswa komhlabathi. Lezi zikhonkwane ezikhethekile ziqukethe uchungechunge lwezigaba ezihlangene ezihlinzeka ngokuqina kwesakhiwo nokuguquguquka, kuvumela ukuhamba okujulile ezimeni ezinzima ezingaphansi komhlaba. Ngokwenza kube nokudluliswa okukhulu kwe-torque kanye nokuxhumeka okuthuthukisiwe phakathi kwesigayo sokumba kanye nenjoloba, izikhonkwane ze-Kelly ezihlangene zandisa ukusebenza kahle nokuphumelelayo kwemisebenzi yokumba, zenza kube ukhetho oluthandwayo embonini yokwakha. Umsebenzi wezikhonkwane ze-Kelly ezihlangene ususelwa kumklamo wazo oyingqayizivele, ovumela ukuthi isiqephu ngasinye sixhume ngokuqinile ngenkathi kugcinwa ithuba lokuguquguquka nokuhambisana nezimo ezingaphansi komhlaba. Lokhu kuhlanganyela kube usizo kakhulu lapho kubhekwa izimo ezihlukahlukene zomhlabathi, njenge-clay ebanzi, igalofu, noma i-bedrock, lapho izikhonkwane ze-Kelly zendabuko zingase zibe nezinselelo. Ngokusebenzisa uhlelo oluhlangene, abakhiqizi bangafinyelela ekubumbaneni okujulile nokwengeziwe kwezimiso kahle ngenkathi kunciphisa ingozi yokuphulwa kwemishini noma isikhathi sokungasebenzi ngesikhathi sezinyathelo ezibalulekile zokwakha. Ngokuqondene nezicelo ezibalulekile, izikhonkwane ze-Kelly ezihlangene zihlala zisetshenziswa ekufakweni kwezimiso ezijulile, njengemikhono ebumbeneyo, ama-schaphi alungile, kanye nemibhoshongo ye-secant. Lezi zicelo zibalulekile emaphrojekthi amakhulu, kufaka phakathi izindonga, izakhiwo eziphakeme, nezithuthuthu, lapho ukuvikeleka kwesistimu yeziqhumane kubalulekile. Ngaphezu kwalokho, zidlala indima ebalulekile ezinhlelweni zokuthuthukiswa komhlaba, njenge-stabilization ye-soil kanye ne-deep mixing, lapho ikhono lazo lokungena nokuhlanganisa umhlabathi ngokujulile kungeza ekwandiseni umthwalo oyindlala nokunciphisa ukuphumula. Izincazelo ezijwayelekile zezakhiwo ze-Kelly ezihlangene zifaka ubude obuhlukahlukene, ama-diameter, kanye nezinhlobo zokuxhumana, ezihlelwe ukuze zihambisane nemodeli ezithile zezikhiye zokumba kanye nezidingo zephrojekthi. Lezi zikhonkwane zihlala zenziwa ngensimbi enamandla aphezulu ukuze ziqinise ukushisa kokumba okujulile futhi zakhelwe ukuhambisana nezidingo ezihlukene ze-torque, ngokuvamile phakathi kuka-30,000 kuya ku-150,000 Nm. Uma ukhetha izikhonkwane ze-Kelly ezihlangene, kubalulekile ukuqaphela izinto ezifana nohlobo lomhlabathi olumbiwa, ubude obudingekayo bokungena, kanye nokuhambisana nemishini yokumba esevele ikhona. Ezinye izinqumo zokuzenza zingafaka izinga elithandwayo lokuguquguquka, isisindo sezikhonkwane, kanye nezincazelo zephrojekthi jikelele. Ekugcineni, izikhonkwane ze-Kelly ezihlangene ziyizinsiza ezingakhethiwe emkhakheni wokwakha iziphakanyiswa ezijulile nasekushintsheni kwezobuchwepheshe. Umklamo wazo onobuchwepheshe nezinga eliphezulu lokusebenza wenza kube ukhetho olubalulekile kubakhi abafuna ukuthuthukisa imisebenzi yabo yokumba, kuqinisekisa imiphumela ephumelelayo emaphrojekthini ezimo ezinzima ezingaphansi komhlaba. Njengemakethe ehamba phambili yemishini, sinikeza inqwaba yezikhonkwane ze-Kelly ezihlangene ezithengiswayo noma eziyirenti, kusiza amabhizinisi ukuhlangabezana nezidingo zokwakha zanamuhla kanye nezinselelo ze-geotechnical ngokuqiniseka.
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