Izinhlelo ze-self-drilling anchor zimele indlela ekhona, ephumelelayo yokuqinisa umhlaba okumisiwe kanye okukhulula ku-deep foundation kanye nezobuchwepheshe be-geotechnical. Lezi zinhlelo zihlanganisa ukukhufa kanye nokuhlela ezimele okukodwa okuqhubekile, okususa isidingo sokulandelela imisebenzi ye-borehole. Izinto eziyinhloko zihlanganisa i-drill rods enamandla aphezulu enomkhuphuko ophansi enamahule, enesigaba esine-perforations kuseduze nentshiselo, esivumela u-pressurized cementitious grout okugeleze emhlabeni ozungezile lapho kutholakala noma irod ise-place. Loludzingo olubukhanyiswe luthobana i-anchorhead assembly nokumhlaba noma irock matrix, ludala i-load-bearing anchor enenele ukuqubela izengezo kanye nezobuningi bezilwane. Lezi zinhlelo zenziwe ngetubu lensimbi elinomthwalo noma elinzelwe, ngokuvamile kusukela ku-16mm kuye ku-32mm enceleni, enezimiso ezakhelwe ukumelana namandla aphakamile angaphakathi ngesikhathi se-grouting habang ikhaba izidingo zokukhula.
Izibopho ezizisholozi zokwakha ziwele uhlelo lokubophela olwenziwe ngokucophelela oluhloselwe izinhlelo zokuthuthukiswa okuhlala phakade nezikhathi ezithile kumaphrojekthi wesizinda esijulile, ubunjiniyela beziqalo, kanye nezinhlelo zokuthuthukiswa komhlaba. Lezi zibopho ezikhethekile zifaka insika yokubhoboza enethoni elingenalutho enephini lokuhlanganyela, okuvumela ukubhoboza nokufakwa kwesibopho ngesikhathi esisodwa emsebenzini owandisiweyo. Izakhiwo ezisemqoka ivamise ukuhlanganisa amathube ensimbi anokuqina okuphezulu, ngokuvamile ezingenalutho ukuze kube lula ukufaka i-grout, kuhlanganiswe nemigomo yokukhipha emisha eyenzelwe ukungena emathunjini aqinile, emathunjini aphukile, kanye nezinhlu zomhlabathi eziqinile. Isehlakalo sesibopho uqobo sakhiwa ngama-rod ensimbi aqukethe amandla noma i-strand, evikelwe ngaphakathi kwensika elingenalutho, ivumela ukuba kufakwe i-grout ngemuva kokufakwa ukuze kuzuze amandla aphezulu wokuthwala nokumelana nokugqwala. Izicelo eziyisisekelo zezinhlaka ezizisholozi zifaka ukulungiswa kwezintaba emikhankasweni yokumba, umusi wezindonga, ukwesekwa kokukh excavation okwesikhashana, kanye nezinhlobo zokusebenza ezilungisayo lapho imishini ye-drilling ejwayelekile ingasebenzi kahle noma ibiza kakhulu. Kumaphrojekthi wesizinda esijulile, lezi zibopho zisebenza emisebenzini ebalulekile ekubothweni kwe- soldier pile ne-lagging systems, ukugcinwa kwezintaba eziphansi, kanye nokuhlinzeka ng انتقال yük in izimo zomhlaba ezinzima. Abajiniyela beziqalo bakhetha lezi ezifanelekile kakhulu ukuze kuvinjwe ukudilizwa, ukulawulwa kwe-erosion emanzini, kanye nokwesekwa kokwakhiwa okungaphansi umhlaba lapho ukunemba, isivinini, nokuphazamiseka komhlaba okuncane kubalulekile. Amandla azo okuzisholoza akhipha isidingo sokuthola imishini ye-drilling ehlukile, okwenza zibe yizinsiza eziyigugu ezindaweni ezinokufinyelela okulinganiselwe, kumaphrojekthi okuthuthuka kwedolobha, kanye nezindawo ezithintwa imvelo. Izibopho ezizisholozi zifika njengezinhlelo ezigcwele ezine-insika ze-drilling ezihlanganisiwe, ama-heads wokusika, kanye nezinto zesibopho. Ukufakwa endaweni kudinga imishini ejwayelekile ye-drilling—ivame ukuba yizinsiza zokubhoboza zokuphakamisa noma ukudlulisela—kanye nezibopho ezizisholozi zibuya phambili emsebenzini owandisiweyo owodwa. Lapho kufinyelelwa ubunzhi obuhlosiwe, i-grout iphushwa ngensika elingenalutho ukuze kudalwe ubude bokuxhumanisa obuphakamisa amandla aphelele wesibopho. Ukugcina kudinga ukuvikelwa emanzini nokuqala kwemishini, ngokuvamile ezikhathini zokugcina ezilawulwayo ezintloni zobubanzi ukuze kuncishiswe ukuguquguquka. Ukuhlukaniswa okuyinhloko kufaka phakathi amabhakede okuzisholoza (ane-casing eus_Controlised _ kacha esikhwameni sokufaka esijwayelekile) kanye nezibopho ezinekhono eliqinile (okwenziwe kahle ukuze zibe namandla aphezulu nokuphathwa okuphumelelayo). Izingxenye ezibalulekile ziqukethe ububanzi obujwayelekile kusuka ku-76 mm kuya ku-150 mm, nezinga lomsebenzi elithwele eliqala ku-200 kN kuya phezulu kuka-1000 kN kuye ngenkathi yokusebenza, izimo zomhlaba, nezinqubomgomo ze-grouting. Izindinganiso zokuqala zihlala zibhekisela kumathube ensimbi ewumqoka (amandla okukhanya 450–650 MPa) kanye ne-strand noma umgaqo nezokusebenza ezinamamphini ahlukeneyo. Izinkambo zokukhetha zifaka i-diameter ye-bore hole, umsebenzi ofunekayo, izimo zomhlaba ezilindelekile (umhlabathi vs. utshani vs. umhlaba ophakathi), izidingo zokufakwa ngesivinini, kanye nezimo zokugqwaliswa kokuqhubekayo. Abajiniyela bahlola izidingo ze-grouting, ubude bokuxhumana kwesibopho, nokuphikisana nemishini yokwakha esivele ikhona endaweni. Izinto zokuthinta imvelo—ikakhulukazi ezindaweni zamanzini noma ezindaweni zamakhemikhali ezidla umhuzuko—zishayela ukucaciswa kwezinhlobo ezivikelwe kokugqwala ezine-epoxy-coated rods noma izinketho zensimbi engenasici. Izindinganiso ezihlobene zifaka i-EN 1537 (Izibopho Zesikhashana Nezizodwa), i-ASTM D7499 (Izindlela Ezijwayelekile Zokuhlola Izinhlelo Zokubophela Ezintabeni Zokwakha), kanye ne-ISO 13411 (Izibopho Zomhlaba). Iziqu zendawo ze-geotechnical neziqu zokumba zifika neziqondiso ezengeziwe zamaphrojekthi athile, ziqinisekisa ukulandela izimbangela zokuphepha nezimfuneko zokwakha kumaphrojekthi wesizinda esijulile kanye nezemkhakha yokulungiswa kwezintaba.
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