Izingxenye eziphethwe ngaphansi kwemishini ye-hydromill ziwumsebenzi ozikhethelayo ngaphakathi kwegatsha le-mishini ye-hydromill, ehlelwe ukuze ixube umhlabathi-ncibilikisi futhi ithuthukise umhlabathi endaweni ekwakhiweni kwezigodi zomoya, izithiyo zokwembula, nezikhalazo ezinzima. Lezi zinsiza ziphansi kumakhrane intimbi noma kumafreyimu okuphonsa, zivumela ukujula okuphezulu nezokwelapha imikhawulo yomhlabathi ngokuqhubekayo ngensizakalo ye-hydraulic jet mixing. Ngokwezimiso zokwakha izisekelo ezijulile nokulawula amanzi angaphansi, amahydromill asebenza njengethuluzi elibalulekile lokwakha izindawo zomhlabathi ezingangeni manzi noma ezithwala umthwalo ngokuqhubeka kokuhlanganiswa kwejethi yepheshana enokpressure ephezulu kanye nokujuluka kwemishini ukuze kuqinisekiswe ukuhlanganiswa komhlabathi nezinto zokubopha kumkhakha wokuxuba okuphephile. Umsebenzi we-hydromill ephethwe kumakhraane ubandakanya ukwakheka kwejethi yamanzi enezikhala eziningi eziphula umhlabathi ongadidalwanga ngokuqhubekayo ngenkambo ye-hydraulic kuyilapho kusebenza nezinhlaka zokubopha ezinjengezinto zokwakha. Njengoba i-hydromill ihambela phansi ngaphakathi kwendawo eyakhelwe kusengaphambili noma ezindaweni zokugcina, i-auger ejikelezayo iletha okuxubile kumphakatsi. Le nqubo iyasebenza ngemijikelezo ephakeme yokucindezela—evame ukusuka ku-400 kuya ku-600 bar—ukufeza ukunyakaza okujulelwe komhlabathi nokuhlanganiswa. Ukujula kuncike ezicini zosizo lwamakhrane, kuvumela ukuphathwa kwediphozi okuphelele okubalulekile ekwakheni izithiyo ezingenamanzisa noma izakhiwo ezithwala umthwalo. Ukusetshenziswa kwezinsiza zamanzi kanye ne-slurry yokubopha kuqinisekisa ukusabalala ngokuvumelanayo futhi kukhiphe izinkinga zokuhlukana ezivamile ezindleleni zokuxuba ezijulile ezijwayelekile. Iziphakamiso ze-hydromill eziphethwe kumakhraane zisetshenziswa ezindaweni eziningi zokwakha izisekelo ezijulile: ukwakhiwa kwezindonga zomoya lapho zenza izindonga ezingangeni manzi zokulungisa ukwakhiwa emanzini, ukufakwa kwezithiyo zokwembula ekubuyisweni kwezindawo ezonakele nokubekwa kwamathafa, izithiyo ze-secant pile zokugcina izakhiwo, kanye nokunciphisa umhlabathi ogcwele izisekelo. Ezincwadini zokugrouty ezixhunywe ne-hydromiling, abaqashisi bafeza ukusebenza kahle kwezindawo ngokushesha kanye nokulawula ukusebenza kahle okungapheli. Ukumiswa kwemishini kule ngxenye kuhluka kakhulu ngokuya ngediphozi (evame ukuba phakathi kuka-8 kuya ku-40 amamitha), izimo zomhlaba (zihlanganisa imininingwane emincane kuya koxube oluhlaza), kanye nezincazelo zokusebenza ezilindelekile. Izinkomba ezibalulekile zifaka phakathi ububanzi bezikhala (4 kuya ku-10 mm), ibhendi yamanzi (400–700 bar), ububanzi be-auger (600–1200 mm), nezinga lokuhamba kwe-slurry (50–300 amalitha/nimini). Ububanzi bokuxuba kanye ne-ukuhlala kwemigqa kuhlobene ngqo nezici zemishini kanye nezinga lokuthwala kwekhanda (60–180 ama-tonnes evame ukuba kumakhredithi aphakeme). Izinhlinzeko zokukhetha izinhlelo ze-hydromill eziphethwe kumakhraane zifaka phakathi ukuhlaziywa kwezindawo zomhlabathi, izidingo zokugcina amandla (evame ukuba i-UCS: 2–15 MPa), ukuhambisana kwezinhlobo zokubopha, ukuvinjelwa kokufinyelela kwemishini, nezicaciso zemvelo kuhlanganisa ikhwalithi yamanzi angaphansi nokukhathazeka kokunyakaza. U homogeneous matric phakathi kobubanzi ne-frequency yokuhlala kufanele kuhambisane nezimo zokuhlanganisa umhlabathi nempilo yamanzi angaphansi ukuze kuqinisekiswe ukuhlinzekwa okuphelele ngaphandle kokuphela kwecala noma ukulahleka kwe-slurry. Izindinganiso ezifanele eziqondisa imisebenzi ye-hydromill zifaka i-EN 1538 (Izindonga Zomoya), i-EN 14199 (Ukufakwa Kwe-Micropile), kanye ne-DIN 4128 (Jet Grouting eJalimane). I-ISO 14686 ihlinzeka ngokuqondisa kokuphathwa kwekhwalithi kwezobuchwepheshe bokuxuba ezijulile. Ukuvumelana nemithetho yendawo yokulawula amanzi angaphansi kanye nezincazelo ze-geotechnical ezikhishwe ngababheki bezimiso kuqhubeka nokuba kubalulekile ngaphambi kokuhlonza nokukhuphuka.
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