Crane-carried hydromills bakka bu'aa addaa ta'ee kan hydromill meeshaa gosa keessaa kan qophaa'e, lafa-cement walitti makuu fi fooyya'insa lafa keessatti hojiirra ooluuf kan qophaa'edha, kan ijaarsa diaphraamii, daandii cufaa, fi daandii secant pile ti. Kuniin kaan kaaroon cimaan ykn gurguddaa irraa hidhame, dandeettii gubbaa fi lafa keessa gubbaa lafa irratti hojiirra ooluu danda'u, akkasumas lafa gubbaa irratti hojiirra ooluu danda'u. Hojiiwwan lafa jala bu'uura qabeenya geotechnical fi to'annoo bishaan lafa jalaatti, hydromills meeshaa barbaachisaa ta'ee lafa dhangala'aa ykn lafa fe'umsaa uumuuf, dhangala'aa bishaan dandeettii ol'aanaa qabdu fi hojiin makaa mechaanikal ta'ee walitti makuu lafa fi meeshaa walitti makaa. Kaayyoon hojii hydromills kaaroon hidhame, dhangala'aa bishaan gubbaa gubbaa lafa hin miidhamne lafa qooduu fi yeroo tokkoon cementitious ykn binders kemikaala galchuu dha. Akkasumas hydromill gubbaa lafa duraa ykn casings keessatti lafa gubbaa gubbaa hojjeta, auger gubbaa hojjeta dhangala'aa walitti makaa lafa gubbaa ol kaasu. Hojiiwwan kun dandeettii gubbaa ol'aanaa qabdu fayyadamuun—yeroo baay'ee 400 hanga 600 bar—lafa dhangala'aa fi walitti makaa guutuu argamsiisuu. Gubbaa lafa gubbaa hojjeta, dandeettii sirrii ta'ee lafa cufaa ykn lafa fe'umsaa uumuuf barbaachisaa ta'ee. Galchuu dhangala'aa bishaan fi binders gubbaa walitti makaa, walitti fufaa fi qooduu rakkoo kanneen duraanii lafa gubbaa walitti makaa keessatti mul'atu furuuf. Hydromill kaaroon hidhame hojiirra ooluu gosa gurguddaa lafa jala bu'uura: ijaarsa diaphraamii lafa cufaa uumuuf, daandii cufaa lafa miidhamte keessatti, daandii secant pile bu'uura, fi lafa gubbaa lafa jala bu'uura. Hojiirra ooluu jetgrouting waliin hydromilling, qondaaltonni fooyya'insa lafa yeroo ammaa fi to'annoo dandeettii lafa dheeraa argamsiisuu. Meeshaa gosa gurguddaa kun haala hojiirra oolu irratti hundaa'ee garaagarummaa guddaa qaba (yeroo baay'ee 8 hanga 40 meetira), haala lafa (cohesive hanga granular matrices), fi tilmaama hojiirra oolu. Qabiyyeen ijoo keessaa: diameter nozzle (4 hanga 10 mm), dandeettii bishaan (400–700 bar), diameter auger (600–1200 mm), fi dhangala'aa gubbaa (50–300 litira/dakika). Diameter gubbaa makaa fi walitti fufaa dandeettii meeshaa fi dandeettii kaaroon (60–180 tonnes yeroo baay'ee kaaroon cimaan) waliin walqabata. Filannoon kaaroon hidhame hydromill gosa lafa qooduu, dandeettii dhumaa barbaachisaa (yeroo baay'ee UCS: 2–15 MPa), walitti makaa binders, dandeettii meeshaa, fi haala naannoo kanneen bishaan lafa jala fi daandii dhoowwuu dabalata. Ratio gubbaa-diameter fi saffisa oscillation lafa waliin walqabata, lafa walitti makaa guutuu fi lafa jala bu'uura rakkoo malee. Seerota barbaachisaa hydromill hojiirra ooluu keessatti EN 1538 (Diaphragm Walls), EN 14199 (Micropile Installation), fi DIN 4128 (Jet Grouting in Germany) dabalata. ISO 14686 qajeelfama bulchiinsa qulqullina teknoolojii gubbaa lafa jala bu'uuraaf kenna. Seerota naannoo bishaan lafa jala fi qajeelfama geotechnical kanneen abbootii seeraa kennameef guutuu qaba.
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