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.
Izinsiza zokwakha ezihambisana ne-bottom feed vibroprobes zikhombisa ubuchwepheshe obukhethekile ezindleleni zokufaka izinto ezivibrayo, okuvumela abakhi ukuba bathuthukise kahle ama-profiles aphansi emhlabathini ngokuhambisa izinto ezimbi ngenkathi bejolisa ekwethuleni izinto ezinhle zokufaka. Le ndlela isebenza ngokuhlanganisa amandla e-vibratory nokufakwa kwezinto okulawulwa ukusuka phansi ko-probe, kuvumela ukwelashwa komhlabathi ngesistimu emkhathini omkhulu ngenkathi kugcinwa ukunemba kwesakhiwo nezindleko eziphusile. Umshini we-bottom feed uthumela amakholomu wezins stone, izinto ezilawulwa ezinamandla aphansi, noma ezinye izinto ezakhiwe ngqo endaweni yokufaka, akha inqubo yokuthuthukiswa eqhubekayo eqinisa amandla okuphatha nokunciphisa amathuba okuba nenkinga ezintweni ezinzima ze-geotechnical. Indlela yokusebenza ye-bottom feed vibroprobes ifaka ukwehla ko-probe evibrayo okukhethekile emhlabathini lapho amandla e-vibratory—ajwayelekile ukuphakathi kokuphakathi ukuya kumaphuzu aphezulu—enikeza ukufaka umhlabathi nokuhambisa izindawo ezikujantshi ko-probe. Njengoba i-probe ikhishwa noma iqhubekela phambili, izinto zifakwe kusuka endaweni yephansi noma kumthetho wokuhlanganyela, zithumela umhlabathi obuthakathaka ngokujantshi ngesikhathi kubuyiswa umgodi ngezinto ezinamandla ezinzima. Le nqubo isebenza kahle kakhulu ezinsizeni eziphakeme, ama-silts alula, kanye nezinye izindawo zomhlabathi ezinzima ezivame ukubonakaliswa emaphrojekthi wokwakha izisekelo. Abakhi bavame ukusebenzisa ukuphathwa kokujula, ukunakwa kokuhamba kwezinto, kanye nezikhathi zokunyusa i-probe ezilungiswe kahle ukuze kuhlangatshezwane kahle nezakhiwo zomhlaba, kuqinisekisa ukuthambekela okujwayelekile kwezinto kanye nokwenza ngcono umhlaba ngokujula kokwelashwa. Uhlelo lokuhamba lwe-vibratory lunciphisa ukuvuvukala phakathi komhlaba nezinsiza, kuvumela ukungena okujulile nokuhlelwa kwezinto okuyisilinganiso uma kuqhathaniswa nezindlela zokufaka ezilula. Izicelo ezivame ukudlalwa ngama-bottom feed vibroprobes zifaka ukuhlelwa kwezindawo zokwakha ngezindlu ezinkulu, izakhiwo zezimboni, kanye nezinhlelo zokwakha lapho ukuthuthukiswa komhlaba kungabiza kakhulu kunezinhlelo ezinzima zokwakha. Izinsiza ezinkulu ezivibrayo, izinhlelo ze-hydraulic, kanye nezinsiza ze-stone column zimele izingxenye ezinkulu ezihlanganiswe nobuchwepheshe be-bottom feed probe. Izimo zomhlaba ezijwayelekile zabelwa zifaka ama-clays omkhiqizo, ama-deposits apholile akhiyayo, amahlebezi alula, kanye nezindawo ezihlanganisiwe ezinganiki amandla anele okuphatha izisekelo ezijwayelekile ezibanzi. Ukuthuthukiswa komhlaba ngokusebenzisa ama-bottom feed vibroprobes kuthola ukukhuphuka kwamandla okuphatha okungama-200-400 percent kuye ngokujula kokwelashwa, ubukhulu be-stone column, kanye nezici zomhlaba, ngenkathi kunciphisa ukulungiswa kokwakhiwa futhi kuthuthukisa izici zokuphuma emhlabeni ophakathi. I-bottom feed vibro replacement isebenza kahle kakhulu ezindaweni zasemanzini, ezindaweni eziwugqoki, kanye nezindawo zomhlabathi ezithambile lapho izindlela zokushayisa i-pile ezijwayelekile noma izindlela zokwenza umhlaba ziqhubeka nomsebenzi noma zibiza kakhulu. Abachwepheshe bacacisa ububanzi be-vibroprobe obuphakathi kuka-500 kuya ku-1000 millimeters ngokuya ngezinsiza zokwakha, izidingo zokuzuza ukujula, kanye nokutholakala kwezinsiza, nezinhlelo zokwelashwa ezibanga kuzojula kuka-12-25 meters noma ngaphezulu kuye ngezimo zomhlaba kanye nezincazelo zokwakha. Ukusebenza kahle nobuchwepheshe be-bottom feed vibroprobes kuye ngezimo zomhlaba ezihlukahlukene, kuhambisana nokwenziwa ngokushesha kanye nokudlulisela phansi okuncane uma kuqhathaniswa nezindlela zokushayisa i-impact pile, kwenza le mibono ithandwa kakhulu phakathi kwabakhi bezisekelo abaqhuba izinhlelo zokwenza umhlaba ezinkulu ezindaweni ezinzima ze-geotechnical.
Izinhlelo zokufaka amatshe zikhombisa ingxenye ebalulekile yokusebenza kokuthola okuphakanyiswa kwemisebenzi, okuyizindlela ezikhethekile zokuthuthukisa umhlaba ezisetshenziswa kabanzi emisebenzini yokwakha izisekelo ezijulile nasekugcineni kwezobuchwepheshe. Lezi zinhlelo zisela ukwenziwa kokwaziswa kwemathiriyali, ngokuvamile amajolo, isigubhu, noma ukugcwalisa okuhleliwe, emhlabathini ophansi phakathi nezinhlelo zokunyakaza kokutholwa, okuvumela abakhiqizi ukuthi bathuthukise ubukhulu bomhlabathi, bakhuphule ikhono lokubamba, futhi balungiselele izimo zomhlaba ezifanele ukuhamba kwezimbobo, izisekelo eziphakanyisiwe, nezinhlelo zokuxhasa izakhiwo. Umshini we-hopper usebenza njengomshini wokwabiwa kwemathiriyali osebenzisana nezinsizakusebenza zokunyakaza ukuze kuqhamuke ukuhlinzekwa okuqhubekayo kwemathiriyali okufanele njengoba umshini oqhumayo ungene futhi uqinise umhlaba ozungezile. Indlela yokuphonsa ophahleni esetshenziswa nezinhlelo ze-hopper zika-jolocala ihlukanisa ngokukhethekile ngenxa yokukwazi kwayo ukuhlinzeka ngemathiriyali efanelekile endaweni ephakeme yokubona, ukuqinisekisa ukuhlanganiswa nokuhlakazwa komhlaba kusuka phezulu emhlabathini. Ngesikhathi sokusebenza, abakhiqizi behlisa amathegi noma izinsiza ze-vibroseis emashumini bayisikhathi esifanayo bengeza amajolo ne-sandohu ngokusebenzisa uhlelo lwe-hopper, kudala umphumela wokushintsha ophuze uhambisa umhlaba wokuphakama kancane noma okungakhululeki ngasohlangothini ngesikhathi sokufaka ngewakhiwa okuphezulu okuyingqayizivele. Le nqubo ithuthukisa ukufana komhlaba, yehlisa ithuba lokuhlala, ikhulisa amazinga amandla, futhi ithuthukisa ukusebenza kwe-subgrade jikelele. Le ndlela ibonakala ikhululekile kakhulu ezimotweni ebhayiwe noma ezingashayi lapho imishini yokuhlola evamile ingafinyeleli ubuningi obanele, nasemazweni lapho ukwakha, ukugcwalisa, noma izithako ezithwetshulwayo zithwala izingozi kuhlelo lokwakha izisekelo nokusebenza kwezinsimu ezijulile. Izinhlelo zokusebenza ze-vibro replacement nezinhlelo ze-hopper zamatshe ziphakathi kokubandakanya izimo ezahlukahlukene zokwakha izisekelo, kuhlanganise nokulungiselela izindawo zokwakha izisekelo ezinamadijithi amakhulu, ukufakwa kwemicropile, nezinhlelo zezingwegwe lapho ukuthuthuka kokubamba kudingeka. Abasebenzi bokwakha basebenzisa lezi zinhlelo ukuze bajabulele umhlaba ngaphambi kokwakhiwa kwezimbiwa, izisekelo zamapulazi, ukwakha izimboni, nezinye imisebenzi ebandakanya ukuhlinzekwa okulungiselelwe kokumiswa kwebhande. Le ndlela igcwalisa izimo zomhlaba ezahlukahlukene, kusuka emhlabeni ogcwele ngokuphelele kuya ezindaweni ezomisiwe, futhi isebenza kahle kokubili ekuthungelweni nasekufuleni ezindaweni zezilwandle lapho izindlela zokwakha ezivamile nezikhanyisa izisekelo ezijulile zidinga ukuqhakambisa ukusekela komhlaba. Izimo zomhlaba ezihambisana nalesi sithombe zifaka phakathi amajolo aphumayo, amangqamuzana, izikhala eziphilayo, umhlaba ovumayo, nezindawo ezinezitoko zamanzi eziphezulu lapho ukuhlanganiswa kokukhanya kuhlinzeka ngemiphumela engcono uma kuqhathaniswa nezindlela zokuhlola ezihlukile. Ukuhlanganiswa kwezinhlelo zageza ezithwele ngokuqinile nezinsizakusebenza zokunyakaza zanamuhla kuvumela abaningi bezobuchwepheshe ukuba bathole ukudlalwa kwemathiriyali okucacile, izinjongo ezilawulwayo zokusebenza, kanye nokuthuthukiswa komhlaba okulungele izindawo ezinkulu, okuwenza umsebenzi wokuqhuba imisebenzi yokuthola okuphakanyiswa kube indlela engatholakali ngaphansi kwezikhathi zanamuhla zokwakha ezijulile nezokwakha ezinzima.
Izinhlelo zokuhambisa igciwane ezisebenzisa ubuchwepheshe bokuvibrating zingamathuluzi abalulekile ekuphathweni kokuthuthukisa umhlaba okusebenzisa ubuchwepheshe bokuvibrating ukuze kuthuthukiswe nasekuqinisweni komhlaba. Lezi zinhlelo zokuhambisa zenzelwe ngokukhethekile ukuhlinzeka ngama-aggregates, ngokuvamile agciwane alungele ukuphathwa okuhle, phansi kwezinsimbi eziyavibrating ngesikhathi sokushintshwa kwork ye-geotechnical foundation. Isakhiwo sokuhambisa igciwane siqinisekisa ukuhlinzeka okungapheli, okuqinisekile kwezinto zokushintsha emibhoshongweni ezingeni elilawulwayo, usekela ukukhiqizwa kwamasonti aphethwe kahle athuthukisa amandla emhlabathini futhi anciphise amathuba okucindezeleka emigodini ethambile noma engaphelelanga. Lezi zinsiza ezikhethekile zibalulekile ezinhlelweni zenkonzo enezisekelo ezinzulu nezokuthuthukiswa komhlaba, ikakhulukazi ezindaweni lapho izimo zomhlaba ezithambile noma ezingaqinile zidinga ukuthuthukiswa kokuthola ngaphambi kokwakhiwa kwesakhiwo. Indlela yokuhambisa igciwane ye-vibro replacement isebenzisa izinhlelo zokuhambisa eziphakanyiswa yisisindo ukuze zifake amasonti aqinisiwe ngqo phansi, zakha izindawo zomhlaba oqinisiwe ezithuthukisa ukuxhaswa okunembile nokuphikisana nezinsiza zokwakha, okungcono kunezindawo ezisemthethweni. Njengoba insimbi yokuvibrating ikhishwa, igciwane elifanele elihanjiswe ngohambo lokuhambisa liqhuba izici eziqinile ezizungezile kumvibrating, zakha izinhlelo ezicindezelayo ezincane ezinyuke ngokuqondile ezifundeni ezimbi zomhlaba. Izinsiza zokuhambisa igciwane kumele zikwazi ukufaka izidingo ezahlukene zokuhanjiswa okuhambisana nezimo ezahlukene zomhlaba, izinga lokukhishwa kwensimbi, kanye nezinjongo ezithize zokuthi umhlaba uqine. Lezi zinsiza ngokuvamile zifaka ama-hoppers, izindlela zokuhambisa nge-belt noma iscrew, kanye nezinhlelo zokulawula ezikhipha ukuhlinzeka kokunembile kwezinto emisebenzini ehambisanayo nezinsiza zokuvibrating, ziqinisekisa ukusungulwa okulinganiselwe kwamasonti omhlaba kanye nemiphumela engcono yokuthuthukiswa komhlaba kuyo yonke indawo ethintechisiwe. Izinhlelo zokuhambisa igciwane zisetshenziswa ezicini ezahlukene zokwakha kuhlanganisa ukulungiselela izisekelo zokwakhiwa kwemizi nezimboni, ububanzi bezikhumbuzo, izisekelo zezindawo zokugcina, kanye nezokwakhiwa kwezimboni. Le teknoloji ibalulekile ezindaweni ezinezinga eliphezulu lempahla ye-grnd, izakhiwo ezithintekayo ezifuna ukuthuthukiswa okuncane, noma emizini yamanzi nasendaweni ezinsudeni lapho imithombo yomhlaba ithintekayo ibalulekile. Izinhlelo zokuhambisa igciwane zivumela abakhi ukuthi bakhe imikhankaso ye-vibro replacement ngokuphumelelayo emisebenzini emikhulu, yehlisa isikhathi sokwakhiwa ngenkathi kuqinisekiswa izilinganiso zejazi zomhlaba. Le ndlela ikakhulukazi iyasebenza ekunciphiseni ingozi yokuhlakazeka ezindaweni ezinamazinga aphakeme, lapho amajazi aqinisiwe akhiwa nge-vibro replacement enza kube lula ukusimama komhlaba nokunciphisa ukwehliswa ngesikhathi sezenzakalo ze-seismic. Izinhlelo zokuhambisa zanamuhla zihlanganisa ukuqapha yük, izinzwa zokuhamba kwezinto, kanye nezimo zokulungiselela ezizenzakalelayo ezivumela ukulungisa okwenzeka ngesikhathi sokwakhiwa kwamasonti, kusekela izingcezu zenhloso yokuqinisekisa ikhwalithi nokuhlola ukusebenza kuyo yonke imikhankaso yokuthuthukiswa komhlaba. Kubakhi bezisekelo kanye nezinkampani ze-geotechnical, isakhiwo sokuhambisa igciwane esithembekile sithinta ngqo isikhathi samaphrojekthi, izindleko zokusebenza, kanye nokusebenza okuhle kwezindawo ezithuthukisiwe ezisekela izakhiwo ezibalulekile.
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