Amasethi wokugrouta anemishini zokuqhuba ezinezakhi zofuzo ezilungiselelwe ukuhlinzeka imisebenzi yokugrouta ngamafutha anogesi aphakeme kubunjiniyela bezisekelo, ikakhulukazi emisebenzini yokwakha izisekelo ezijulile nasekuthuthukiseni umhlaba. Lezi zinkundla zokugrouta zihlanganisa amandla okudonsa naye kanye nezinhlelo zokugrouta ukuze zenze izakhiwo zompuntshisi ezihlanganisa umhlabathi ne-cement ezinzisa, ziqinisa, futhi zivikela izimo ezingezansi. Ukuhlanganiswa kwezemisebenzi yokugrouta nokugrouta ngamafutha anogesi kuvumela abathengisi ukuba bangene ezigabeni zeogeology ngesikhathi sokufaka izinto eziqinisayo, okwenza lezi zinkundla zibe zibalulekile ezinsebeni zomsebenzi ezinzima ezimweni zomhlabathi ezinzima nezamanzi angaphansi. Izinkundla zokugrouta ezihlinzekwe ngezinjini zokugrouta zisetshenziswa emisebenzini ehlukene yokwakha izisekelo ezijulile, okuhlanganisa ukwakha odongeni be-diaphragm, izifinyethelo, odongeni be-secant ne-tangent, nokuzinzisa iziqhingi nezikhala ezingezansi. Lezi zinkundla zisebenza kahle ekwakheni amakholomu anjengokuthi aphakanyiswe noma ashintshe isimo somhlaba ezithuthukisa amandla okuphatha, kunciphisa ukujikeleza, futhi kunikeze ukuzinza kwangaphandle. Emsebenzini wokulawula amanzi angaphansi, izifinyethelo zokugrouta zivimbela ukuhamba kwamanzi nokuhamba kwezinto ezingcolile phakathi kwezindawo ezithintekayo. Emsebenzini wokuthuthukisa nokulungisa izisekelo, lezi zinhlelo zingene ezindaweni ezinzima ezikhona futhi zithumele izinto zokubopha ngaphandle kokudingeka ukufaka ekugudluzweni okukhulu noma ukuphazamiseka kwezinsiza ezikhona. Umqondo wokuqhuba nokugrouta uhlanganisa ukudonsa okujwayelekile nokuthunga amafutha aphakeme. Umgibeli wokudonsa uvumelanisa ipayipi elikhethekile lokugrouta endaweni enemigqa. Amafutha agrouted—ngokuvamile i-cement slurry noma izixazululo zamakhemikhali—akhishwa ngama-jet ukuthola imithamo ethile ephakathi kuka-200 kuya ku-600 bar (20 kuya ku-60 MPa). Lamafutha avulelekile aphakeme asusa futhi ahambisa amaphutha omhlabathi, ewavumelanisa nezinto zokubopha ezifakwe. Njengoba ipayipi lokudonsa lishunqa ngesikhathi kugcinwa ukujula komoya nokuhamba okukhululekile, umkhiqizo we-cement somhlaba uvela. Umsebenzi lokuhlanza asetshenziswa, kuhlangene nezakhiwo zokubopha ze-grout, kudala izakhiwo ezihlanganiswa ezinemisebenzi ezingaphansi komhlaba ezithuthukisiwe kakhulu ezihluke kwi-virgin soil. Ukucushwa kwemishini kuleli cannon kuvamise ukufaka izinhlelo ezilodwa ezingama-fluid (lapho i-cement slurry kuphela ifakwa), izinhlelo ezimbili eziphindwe (zihlanganisa amanzi ne-cement ukuze kuthuthukiswe ukufinyelela nokubaluleka), kanye nezinhlelo ezintathu ezihlukene (zihlanganisa amanzi, umoya, ne-cement ukuze kuthuthukiswe ukuhluzwa komhlabathi nokwenza okungcono kwekholomu). Izinkundla zisesimweni esincane, imishini ehlinzekiwe enye ifakwe ezindaweni ezikilalisiwe zezakhiwo ukuya phezulu ku-60 meters nezinye ezizithuthukisayo. Izingxenye ezibalulekile zobuchwepheshe ezithinta ukukhetha kwemishini zifaka amandla okudonsa (ngokuvamile 50–200 kW), amandla okudonsa, ingcindezi futhi isi-siphona sokuqukethwe, usayizi wepayipi lokudonsa, nezilinganiso zokuzinza ezihambelana nezinhlelo ezithile zomhlaba nezimo zamanzi angaphansi. Abathengisi abakhetha izinkundla zokugrouta ezihlinzekwe ngezinjini zokugrouta babheka izidingo zedepth, ubukhulu obulindelwe bomhlaba, usayizi wekolomu oyimfuneko nezikhala, izimo zamanzi angaphansi, imingcele yokungena endaweni, nezinga lokukhiqiza. Imishini kumele ihlangabezane nezilinganiso zengcindezi ezichazwe yi-EN 12716 (Jet Grouting), EN 1537 (Ground Anchors), kanye ne-ISO 13374 ezinkambisweni zokugrouta. Ukuvunyelwa kwe-DIN 4090 kanye nemithetho yesikhungo sezokwakha kuqinisekisa ukusimama kwezokwakha kanye nokuphepha kwabasebenzi ngesikhathi sokusebenza kwegrouta enemingcele ethile.
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