I-Vibroflotation iyindlela ekhethekile yokuthuthukiswa komhlabathi esebenziselwa kakhulu emaphrojekthini akhethiwe ezisekelweni ezijulile nasezobuchwepheshe bomhlaba ukuze kukhuphuke amandla okuhamba nokuzinza kwezihlabathi ezithambile. Le ndlela yokwakha emhlabathini yedijithali isebenzisa amandla okudlidliza aphezulu ukuhlela amazakhi omhlabathi, kwehlisa ubudlelwano bokungena futhi kukhuphuke ubungako bezihlabathi, i-gravel, kanye namathuluzi alula afana nalawo. Le ndlela ibaluleke kakhulu kumaphrojekthi okwakha lapho izimo zomhlabathi zemvelo zinganele ukusekela izakhiwo ezinzima noma lapho ukulawula ukushintsha kubalulekile. I-Vibroflotation isebenza ngokufaka isibambo esisebenza ngokudlidliza, esaziwa ngokuthi i-vibratory pile hammer noma i-vibroflot, emhlabathini kuzindiza eziyinqaba ezivela ku-10 ukuya ngaphezulu kwama-100 amamitha. Iziphakamiso zenza amandla okuphazamiseka anqamule amazakhi omhlabathi ukuze avumele amazakhi omhlabathi ukuba abuyele endaweni ethambile, kuthuthukise kakhulu izakhiwo zomhlabathi ngaphandle kokudinga ukuhoxiswa noma ukususwa kwezinto. Inqubo ye-vibroflotation ngokuvamile ifaka ukufaka ithuluzi elinama-weight emhlabathini usebenzisa imishini eqhubekile noma izigebengu ezihambayo, lapho i-hammer yokudlidliza ibekelwe kumasipala akhethekile. Imishini ehamba phambili ye-vibratory inganikeza ama-frequency phakathi kuka-10 no-45 hertz enezinga lokucindezela le-5 kuya ku-15 millimeters, ukudala izimo ezinhle zokuthuthukiswa komhlabathi. Amanzi avame ukufakwa ngesikhathi senqubo ukuze kwehliswe ukuhlinzekwa phakathi kwamahlamvu omhlabathi futhi kwenze kube lula ukuhlela kabusha amazakhi, okwaziwa njengendlela yamanzi. Imishini esetshenziswa ku-vibroflotation ifaka ama-vibrators afakwe kumakhenikha, ama-vibroflotation akhethekile, nezicwecwana ezikhipha i-vibratory ezikwazi ukudala iziphakamiso ezilungiselelwe kahle. Udeep we- treatment uncike kuhlobo lomhlabathi, izimo zamanzi aphansi, kanye nemininingwane yemishini, lapho izinhlelo ze-crane-suspended vibratory zanika amandla ama-deep treatment angakaze afinyelelwe. Ukuqapha ikhwalithi kubalulekile, ngokuvamile kuhlanganisa ukuhlola ukuhlinzeka okujwayelekile, ukuhlola ukujula kwama-cone, kanye nokubheka ukuhamba ukuze kuqinisekiswe ukusebenza kahle kokuthuthukiswa komhlabathi nokuthi bakhiqizwe amandla okuthwala acace kakhulu. I-Vibroflotation isebenza kangcono emhlabathini angenamabhasi, kufaka phakathi izihlabathi, i-gravel eyisihlabathi, ne-gravel eyisihlabathi, futhi iba nekhono eliphansi emhlabathini onamakhilo aphezulu noma umhlanga. Le ndlela ibaluleke kakhulu kumaphrojekthi afaka izikhwama zokugcina ezinkulu, izikhungo zezimboni, ukufakwa kwemishini enzima, nezakhiwo ezidinga amandla okuthwala ahlukeneyo nokushintshwa okuncane. Izicelo zifaka izikhungo zokuthutha, izisekelo zezitezi ezisemanzini, ukunciphisa ukungena emikhakheni ye-seismic, kanye nokubuyisela emuva kwezimo ezinzima zomhlaba ngaphansi kwezinto ezikhona. Le ndlela ibaluleke kakhulu lapho ukufakwa kwepile ejulile kungabizi kahle noma lapho kudingeka ukuthi kube nokudlidliza okuncane kanye nosizi oluphansi uma kuqhathaniswa nalokhu okwakujwayelekile. I-Vibroflotation isetshenziswa futhi ngemva kwezinye izindlela zokuthuthukiswa komhlabathi futhi njengendlela yokulungiselela ngaphambi kokufaka ama-piles aphonsiwe noma adalwe endaweni. Ukubhekwa kwemvelo kwenza i-vibroflotation ibe nentshisekelo ngoba ikhulula isidingo sokufaka umhlabathi noma ukuhoxiswa okukhulu, kwehlisa ukulahleka kwezinto nasemathubeni okuhamba ngesikhathi sokuhlinzekwa kwezixazululo ezizinzile ezimweni ze-geotechnical ezinselele.
I-Vibro replacement — top feed iyindlela ekhethekile yokwenza ngcono umhlaba esebenziselwa ukuqinisa amandla okuphakela futhi yehlise ukuhlala kwezindawo ezithambile noma ezinezinselelo emsebenzini weziqalo ezijulile. Le ndlela ihilela ukufakwa kwezinsika zamatye, ezibizwa nangokuthi izinsika ze-vibro-replacement noma izinsika zamatshe e-vibro, ngokuhlanganiswa okuhle kokuphuma kwe-vibratory nokufakwa kwezinto ezimnene. Ngesikhathi sokwenziwa, iprobhu ye-vibratory noma umkhono we-vibro-replacement lowers' ububanzi bayo phansi ngaphansi kokwandisa kwayo ngenkathi ivibrating ngamazinga aphezulu, ngokuvamile phakathi kuka-25 no-35 Hz, ukudala umkhala ongenalutho noma umgoqo njengoba iprobhu ifaka phakathi izigaba zomhlabathi. Indlela ye-top feed ibonisa ngokuhlinzeka ngezinto zamatye, ngokuvamile ukhambo lwezitini ezicwecwe noma igaragazi elivela ku-8 kuya ku-40 mm ububanzi, njalo njalo kusuka phezulu komhlaba njengoba iprobhu yehlisa futhi ivibrates, iqinisekisa ukwakheka okuhle kwezinsika zamatshe, ubukhulu, nokugcinwa kokukwazi ukutshala. Le ndlela yokuzinza komhlaba iyasebenza ikakhulukazi ekwelapheni izimo zomhlabathi ezinezinselelo ezifana namakhla amancane, ama-silt, umhlaba we-organic, kanye namahalethi anama-silt angafaneleki ukuze usekela ngqo iziqalo. I-Vibro replacement ibhekana nezinkinga ezibalulekile ze-geotechnical ezifana nokuhlala okweqile, amandla amancane okukhishela angenamabhobo, kanye nezici eziphumelelayo ezinhle. Izinsika zamatshe zisebenza njengama-composite load-bearing elements aphehla izinkumbulo zesakhiwo ezindaweni ezijulile, ezinzile kakhulu, ngasikhathi sinye ezinikeza ukuvinjelwa okujolile kumhlaba ophakathi ngezindleko ze-lateral nezinhlelo zokuhlinzeka. Inqubo yokuvibrating ibangela ukusungulwa hhayi kuphela ngaphakathi kwezinsika zamatshe uqobo kodwa futhi nasemhlabathini ongena eduze, ukudala uhlelo olwakhelwe emhlabeni olwenziwe ngcono kakhulu ngamandla okuphakela, ukumelana nokuguquguquka, nokusebenza kwezakhiwo. Izidingo zezimboni zifaka ama-hammers e-vibratory akhethekile noma ama-probes e-vibro-replacement afakwe kuma-rigs axhunywe kumakhrane, izinhlelo zokuhlinzeka ngezinto eziphambene ukuze kuqondiswe ukufakwa kwezinsika, kanye nezinsiza ezingathuthukisa njenge-excavator kanye nama-hoppers ezinto zokwakha. Izicelo ze-vibro replacement — top feed zifaka izikhungo ezahlukahlukene zokwakha okuhlanganisa izikhungo zezimboni, ukuthuthukiswa kwezamakhono, izimayini zamalanga, ama-embankments, kanye nezinhlelo zokuthutha. Le ndlela ibalulekile emsebenzini wokwakha iziqalo ezinzima ezindaweni zomhlaba ezithokozisa ukuthi ubungozi bokuhlala bendalo kungase kudinge iziqalo ezijulile ezibizayo. Le ndlela ivame ukusetshenziswa ngaphakathi kwezinhlelo ezihlanganisiwe zokwelapha umhlaba ezibhekana nengozi yokuhlukumezeka ezindaweni ezihlaselayo, ukuthuthukisa ukusebenza kwe-subgrade ngaphansi kwezinsika ezinzima, kanye nokwenza kube lula ukuhlela ukwakha okujwayelekile ezindaweni ezinzima. I-cost-effectiveness ehambisanayo nokusebenza kwangempela okwenziwe izithiyo sekuvele kwenza i-vibro replacement kube indlela eyisisekelo embonini yokuhlanza umhlaba. Uma yenziwa ngababikeli abaqeqeshiwe abanezimoto ze-vibratory ezinhlelekile nezinsiza zokulawula izinga, le ndlela iletha ukuphuculwa okuhlonishwa, okulinganiselwe emandleni omhlaba okutshala nokwakhiwa kwezithiyo, okwenza kube kubalulekile ezinhlelweni zokwakha iziqalo emhlabeni ezimfanele ezingezwe kuzo zonke izimo ze-geotechnical emhlabeni jikelele.
I-vibro replacement enezansi yok feed imele inguquko ekhethekile ye-vibroflotation yokuthuthukiswa komhlaba lapho ukuqiniswa kwamathafa alula kwenzeka ngesikhathi sokwethulwa kwezinto ezilungile zokufaka kusukela ezansi kwe-probe elokhu ivuma. Le ndlela ikakhulukazi iyasebenza ezinhlelweni ezinzima zokwakha lapho izimo zomhlaba ezikhona zidinga ukuthuthukiswa ngaphambi kokufakwa kwamapayili noma ezinye ezinzima zezakhiwo. Indlela yokudla ezansi ivumela abakhangisi ukuba bagcine izinto ezingafanele—njengokulala okuthambile, imifula, noma amathafa aphakeme—ngemithi eyenziwe ngendlela efanele ngenkathi kufezwa ukuqiniswa komhlaba okuhle okwenziwa emsebenzini owodwa ophakathi. Le ndlela inciphisa kakhulu isikhathi esiphelele sephrojekthi nezindleko uma kuqhathaniswa nezindlela zokumba nokuqashwa ezijwayelekile, okwenza ibe yingenelo ezimeni eziyinkimbinkimbi zokwakhiwa kwezizinda lapho izimo zomhlaba zihlukile noma zingalindelekile. Inqubo ye-bottom feed vibroflotation isebenzisa ama-hammer athokozisayo akhethekile noma ama-probe akhokhayo asebenza ngefrekhensi ephezulu kanye nokulawulwa kwesikhala, edala amandla adingekayo ukuze kufezwe ukuhlelwa kwezinhlayiya zomhlaba nokuqiniswa. Njengoba i-probe elokhu ivuma ingena emgolweni, izinto zokwakha—imvamisa isihlabathi esihlanzekile, i-gravel, noma ezinye izinto ezisemthethweni—zihlanganiswa ngokuqhubekayo kusuka emathuseni avulekile e-probe ziya emathubeni adalwe ukuqiniswa. Umphathi ulawula amazinga okungena kwamanzi nezinga lokukhishwa kwezinto ukuze aqinisekise ubudlelwano bezwe phakathi nezimo zokwakha. Imishini evame ukusetshenziswa ihlanganisa ama-hammer anokwelashwa amakhulu axhunywa kuma-excavators noma izinsizakalo ezikhethekile zamapayili, ezithuthukiswa ngamasistimu wokulethwa kwezinto, imishini yokuhlola ukuphakama, kanye nezikhungo ezinzima zokuphatha amanzi. Le ndlela idinga ukuhlela ngokucophelela phakathi kwamazinga okuvuma, izinga lokudonsa, nezimo zomhlaba ukuze kuqinisekiswe ukuhlanganiswa okulinganayo kanye nokufakwa kwezinto ezifanele ngaphakathi kwedlula lesicelo. Izimo zomhlaba ezifanele kakhulu ze-vibro replacement zifaka phakathi izihlabathi ezilula kuya kwezithambile, imifula enokunqwabelana okuphezulu, kanye nezindawo ze-gravel ezinothile eziphendula kahle ekuhlanganiseni okubangelwa ukuvuma. Le ndlela yokuthuthukiswa komhlaba ibaluleke kakhulu ezindaweni ezandleni zempahla, ezindaweni ezithathwe, ezindaweni zokugcwalisa, kanye nezikhala lapho amandla okuthwala noma ukulawula ukuncipha kubalulekile ekwakhiweni kwezizinda ezinzima. Izicelo zokwakha zifaka phakathi ukulungiselela izindawo zokwakha amapayili, imisebenzi ye-caisson, ukubumba okdeep basement, nezakhiwo ezidinga ukuqiniswa komhlaba okuphakeme ngaphansi kwezinsizakalo ezikhona noma buildings eziseduze. I-vibro replacement enezansi yokudonsa iphinde ibheke ukunciphisa ubungozi bokukhishwa emiphakathini esebenza ngezinsimbi, iqinisa amathafa ukuze ikhulise ukuvikelwa kwawo ekunciphiseni okwenziwa yizikhala zomhlaba. Ukuhlukaniswa kwale ndlela kudlulela ezinhlelweni zokungenisa izinto lapho amathafa athile edinga ukuthuthukiswa okukhulu, okuvumela abakhangisi ukuba bagcine izinto eziyinkinga futhi bangenise izinto ezithuthukisiwe ezimandleni ezithile. Ukuphathwa kokusebenza kwethuluzi kudinga ukucwaninga okuphelele kwezobuchwepheshe, ukulungiswa kahle kwemishini, ukuqhubeka kokuhlolwa kwekhwalithi okuhlanganisa ukuzama okuthembekile kokungena nokuhlonza ukuncipha, kanye nemibhalo ebanzi yedlula nezinsiza ukuze kuhlangatshezwane nezinhlelo zokwakha nezidingo zomthetho zemisebenzi yokwakha evuselelwe.
Ukubhaliswa kwedatha kwe-vibroflotation kumelwa njengengxenye ebalulekile yokuthuthukiswa komhlabathi modern kanye nezinsizakalo zokuvuselela umhlabathi ngaphakathi kwengxenye yokwakha izisekelo ezijulile. Le nsiza ekhethekile ifaka phakathi ukuqapha okungapheli ngesikhathi sangempela nokurekhoda kwem paramitha yokudlidliza, idatha yokuhlala, nezimo ezingaphansi komhlaba ngesikhathi sezenzo ze-vibroflotation. I-vibroflotation iyinsiza evumelekile yokwakha umhlaba esetshenziswa ukuze kukhuphuke ubukhulu bomhlabathi kanye nezinga lokuphakamisa emhlabathini wokwakha, ikakhulukazi ezindaweni lapho kugcwaliswa imibhoshongo noma ezinye izindlela zokwakha ezijulile kudinga ukuphathwa komhlaba ngaphambi kokwakha. Izinhlelo zokubhaliswa kwedatha zibamba izilinganiso ezibalulekile ezihlanganisa imvamisa yokudlidliza, ubukhulu, ukusheshisa, izinga lokungena, nezimo zokumelana ezingaphansi komhlaba, okuvumela abaqhubi nabaklami bomhlaba ukuze baqinisekise ukuthi izidingo zokuvuselela umhlaba zihlangatshezwana nazo futhi zirekhode ukulandela izidingo zephrojekthi. Izindlela ezisetshenziswa ekubhalisweni kwedatha kwe-vibroflotation zifaka imishini eyinkimbinkimbi ebekwe phezulu nasemigedeni ukuze kuqaphe ukuphendula komhlaba ngesikhathi sangempela ngokufaka ukushayisana. Izinhlelo zokuthola idatha zanamuhla zisebenzisa ama-accelerometers, izindlela zokuhamba, nama-sensors pressure ukuze ziqhubeke ziqapha ukuziphatha komhlabathi njengoba i-vibrator ingena futhi ikhulise ukubamba komhlabathi. Imishini yokuhlola ukwehliswa ibhalisa ukushintsha okujolile ngezikhathi ezichaziwe, kuyilapho amathuluzi wokuhlaziya ukushayisana measure ukusabalala kwamanzi emhlabathini ozungezile. Lezi zinhlelo zihlanganiswa nezinsiza zokubhaliswa kwedatha ezirekhoda ngokuzenzakalelayo idatha ngemvamisa echazwe, zakha amadatha anembile aqopha inqubekela phambili yokuhlala emkhakheni wokwelapha. Idatha ebhalisiwe inezenzo eziningi: inikeza ubufakazi bokuhlola ikhwalithi bokuthi ubukhulu bokwenziwa kokuhlala nemigomo yokuhlanza itholakale, ivumela izinguquko eziphathelene nezinsizakusebenza ngesikhathi sokwelapha, futhi ikhiqiza imibhalo ephelele yokwakha nomlando wokuhlola ngemva kokuphothulwa kwephrojekthi. Izicelo zokubhaliswa kwedatha kwe-vibroflotation zifaka phakathi izinhlelo eziningi zokwakha kanye nezinhlelo zokwakha lapho ukulungiselelwa komhlaba kubalulekile ukuze kuqinisekiswe ukuzinza kwezisekelo ezijulile. Iphrojekthi ezithinta ukufakwa kwemibhoshongo enkulu, izisekelo ze-turbine yomoya zasolwandle, izindawo zokukhiqiza emhlabathini omanzi, ukuthuthukiswa kwezikhumulo kanye nezikhumbuzo, kanye nokuthuthukiswa kwedolobha emhlabathini ogcwele i-sand ngokuqhubekayo zisebenzisa i-vibroflotation enezinqubo zokubhaliswa kwedatha eziphelele. Le ndlela ibaluleke kakhulu ezimweni zomhlabathi eziyinkinga lapho ubukhulu bezwe bemvelo bunganele ukuze kuhlangabezane nezidingo zokuphakamisa noma lapho ukuhamba okuhlukile kudala ubungozi ekusebenzeni kwemiphakathi. Ngokubhalisela inqubo yokuhlala nge-database enembile, abaqhubi baveza kubaklami nasemalungwini ephrojekthi ukuthi umhlaba uphuculiwe ngendlela efanele, kunciphisa ubungozi futhi kuqinisekiswe ukuthi imisebenzi yokufaka imibhoshongo noma yokwakha iqhubeka emhlabeni olungiselelwe kahle. Ukuxhuma ukubhaliswa kwedatha kwe-vibroflotation nezinsizakalo ezibanzi zokwakha umhlaba kuthuthukisa ukuthathwa kwezinqumo phakathi kwezinyathelo zokwakha nezokwakha. Idatha ebhalisiwe iletha izinguquko zokwakhiwa, iqinisekisa izithembiso zemodeli yomhlabathi, isekela izinqumo zokulawula ikhwalithi ngesikhathi sokwelapha, futhi inikeza ulwazi oluqala lokuhlola ukusebenza kwesizinda esiphelile. Kubachwepheshe bezisekelo ezijulile abasebenza kwezinye izinhlelo eziyinkimbinkimbi, ukufinyelela kwezinsizakalo zokubhaliswa kwedatha kwe-vibroflotation ezithembekile kuqinisekisa ukuthi izinhloso zokuthuthukiswa komhlaba zifezwa ngempumelelo, izidingo zokuhambisana nezimfuneko zirekhodwe, futhi izisekelo ezakhiwe zibe nezimo ezingaphansi komhlaba ezilungiselelwe kahle.