Izinsiza zokwakha ezisetshenziselwa ukuvula ama-soil nailing drilling rigs ziyi-ikhanda elikhethekile lokwakha eliklanyelwe ukufaka ama-soil nails emanzini, kudala izindonga ezinelungelo nokweseka ukujula. Le ndlela ye-geotechnical engineering ihlanganisa ukuvula ama-boreholes ezindaweni ezithile kanye nezindonga ezizwakalayo emhlabathini noma emadwaleni, bese ifaka amabhari ensimbi noma ama-nails abanjwe endaweni ukuze kuthuthukiswe kakhulu ukusimama komhlaba. Ama-drilling rigs asetshenziswayo kuma-soil nailing kufanele abe nekhono lokuvula ama-angles acacile, avamise ukuhamba ukusuka phezulu kuye ku-15-20 degrees ukusuka phezulu, edinga ubuchwepheshe obuphambili bokuvula kanye nabashayeli abanolwazi ukuze kuqinisekiswe ukufakwa kwe-nail okufanele kanye nezici zokudlulisa umthwalo. Inqubo ye-soil nailing ibalulekile ku-engineering yomhlaba wanamuhla kanye nemisebenzi yokusebenza kwezindonga. Uma iphathwa kahle, ama-soil nails adala uhlelo oluqinile lomhlaba olwakha umthwalo ukudluliswa kuwo wonke umhlaba, kukhuphule kakhulu ukumelana nokudonswa futhi kuphucule amathuba okwehla. Ama-drilling rigs asetshenziselwa imisebenzi ye-soil nailing kufanele aqinisekiswe ukuthi ahlinzeka ngamathuluzi aqinile okusebenza noma ama-rotary drilling systems akwazi ukungena ezimweni ezahlukene zomhlabathi nendawo ezilula. Lezi zinsiza kufanele zigcine ubukhulu be-borehole obuqondile kanye nokuqondiswa kwe-angular ngesikhathi ziqhuba imithwalo nobuchwepheshe bokusebenza okujula, umhlabathi, ama-hydrocarbon, izihlabathi, futhi kwesinye isikhathi amatshe alula. Ama-soil nailing drilling rigs amaningi akamuva anobuchwepheshe bokuvula obuhambisana nezimo ezingaguquki zomhlaba, amandla amavolumu ahlukahlukene, kanye nezinhlelo ze-hydraulic ezivumela abashayeli ukuthi baqonde zisebenze ezimo zezwe ezishintshashintshayo ezitholakalayo ngesikhathi sokuvula. Izicelo ze-soil nailing zifaka izimo ezahlukene zokwakha lapho izindonga zokugcina ezijwayelekile noma izinhlelo zokweseka zingaba nzima noma ezingalungile ekonomini. Izinhlelo zokweseka ukujula ezisebenzisa soil nailing zivikelwa izakhiwo nezinsiza ezizungezile ngenkathi zigcina izikhala ezincane ezindaweni zasemadolobheni. Imisebenzi yokugcina izindonga isebenzisa soil nailing ukuze ikhulule izindonga ezingaqinile ezibheke ukuba nezikhukhula noma ukuguqulwa okuqhubekayo. Izinhlelo zokugcina umhlaba zesikhashana nezephelele ziyazuza ekuhlinzekeni kwe-soil nailing uma kuqhathaniswa nezindonga zesosha ezifanele noma izindonga ze-diaphragm. Ama-drilling rigs kufanele asebenze kahle ezimweni ezihlukahlukene zomhlaba, ukusuka ezindaweni ezincane ezilishumi zedlule kokuphuma ukuze kutholwe ububanzi obudlula i-20-30 meters, kulungisa izicelo zokuvula ukuze kufezwe amakhaladi nekhwalithi yokufakwa kwe-soil nail. Impumelelo emsebenzini we-soil nailing incike ekuqokweni kwemishini yokuvula ehambelana nomfanekiso wezindawo, izimfuneko ze-nail, kanye nesikhathi sezinhlelo. Abakhi abaphatha imiklamo ye-micropiling kanye ne-soil nailing bedinga ama-drilling rigs ahlanganisa ukun精准, ukuzinza, kanye ne-multipurpose. Imakethe inikeza ama-drilling rigs aphumelelayo atholakala ezinsizeni ezihlangene ezilungele izindawo ezifinyiweyo kuye ezinhlelweni ezinkulu ezibhekele phambili ukuvula ukukhiqiza. Ama-soil nailing drilling rigs akamuva ahlanganisa izinhlelo zokuthola idatha ezivumela ukubhekwa kwesikhathi sangempela kwezimfanelo zokuvula, ukuthola ukungafani, kanye nezinga lokungena, kuhlanganyela ukuqinisekisa ubungako bokwenza oluphoqelelayo nezindinganiso zokuqinisekiswa futhi kwezimfuneko zomklamo ezithubeni ezikulezi projekthi zokwakha ezindaweni zesisekelo.
Amarig angama-crawler wokukhipha umhlabathi ahlukanisa isigaba esibaluleke kakhulu semishini yokwakha ye-geotechnical eyenzelwe ukuqinisa izikala, izindonga zokumba, nezimo zomhlaba ezinzima emaphrojekthini ahlukene wokwakha nezokwakha zezimiso. Ukuqina komhlabathi kuyindlela yokwenziwa komhlaba ebandakanya ukufaka amalungelo ensimbi, noma ama-nail, emhlabathini nasezindaweni ezithambile zedwala ngama-engeli nemikhawulo ethile. Amarig angama-crawler akhiwe ngendlela ekhethekile njengamapulatifomu wokwakha abekwe emithanjeni eqhuba amakhadi, okwenza kube nokusebenza kahle ezinkalweni ezimaphakathi, ezisikhaleni ezingazinzile, nasezindaweni lapho imishini yokumba enezinqola ezijwayelekile ingakwazi ukufinyelela ngokuphephile. Ukuhamba nokuqina kwezinhlelo zokumba ezisebenzisa amarig angama-crawler kwenza kube nzima ukwakha ukuqina komhlaba okuvikelekile, okungapheli emzimbeni ophumayo, ikakhulukazi ezindaweni zokuphinda zikhululwe edolobheni, emaphrojekthini okwakha imigwaqo, ezimisele zokumba, nezinhlelo ezingaphansi komhlaba lapho ukuqina kwezinsika nezokulawula umhlaba kudinga ukunakwa okukhulu. Ukusebenza kwezobuchwepheshe kokunwetshwa komhlaba usebenzisa amarig angama-crawler kuhilela ukuphuma kwenqwaba zemigodi emhlabathini noma endaweni yedwala, kulandela ukufakwa kwamaphinikhala wokwakha nezimpahla zokwakha ukuze kudaleke isakhiwo somhlabathi esiqinile. Izindlela zokumba ezisebenza nalezi zinhlelo zifaka phakathi kokumba kwe-rotary, kokumba kwe-percussion ye-rotary, nezindlela zokumba ze-augur ezihamba phambili, ngayinye ikhethwe ngokusekelwe kulokho okubhalwe phansi komhlaba, izimo zamanzi omhlaba, nezidingo zokwakha. Amarig angama-crawler angatholakala nezinto zokumba ezihlukahlukene nezinhlelo ze-hydraulic ukuze zikhethisheka emijikelezweni ehlukahlukene, ubukhulu bokumba, nezinga lokuphakamisa elidingekayo ukuze kuphumelele ukukhululwa komhlaba. Le nqubo idinga ukulawulwa kwama-engeli kanye nokuphathwa kokujula ukuze kuqinisekiswe ukuthi ama-nail afakwa ngokuya ngezpecificam yokwakhiwa kwe-geotechnical, ngokuvamile kuma-engeli phakathi kuka-10 no-30 degrees ukusuka phezulu kuye ngokwezobuchwepheshe bezinsika zokukhululeka. Izimo zomhlaba ezivumayo zokukhululwa komhlaba zihlanganisa idwala eliphumelele, ama-clays ansundil, imhlabathi eyinsimbi, ama-silts, nezakhiwo zomhlaba eziphakathi lapho izindonga zokugcina ezivamile noma ezinye izinhlelo zokuphakamisa zingase zingaphelele ngokwesabelomali noma zingase zibe nobuchwepheshe obunzima. Izicelo zamaring angama-crawler emaphrojekthini okuqina komhlaba ziningi ezizindaweni eziningi zokwakha. E-sikhungweni sokuthutha, ukukhululwa komhlaba nge-crawler kuyavikela izikala ezikhethiwe eziseceleni kwemigwaqo, ezitimeleni, nezindlela ezisengozini yokungazinzi noma ukushintsha. Ukwakhiwa kwasedolobheni kuvame ukufuna ukukhululwa komhlaba ukuxhasa izikhala eziphakeme nezihlala njalo ezindaweni eziphakathi ezicacile lapho izinkinga zokuphakama nezokuxhuma kuzinhlelo ezikhona kudinga izixazululo zokwakha eziphakathi nendawo. Iminyango yokumba isebenzisa izindlela zokukhululwa komhlaba nge-crawler ukuze ixhume izindonga zemithombo nemibango engaphansi, ikhulisa impilo yokusebenza evikelekile yezikhala zokumba. Iminyango yokumba, ikakhulukazi izigaba ze-portal nezikhala zokufinyelela, ibona inzuzo enkulu ekukhululeni umhlaba ukuze ikhombise ukuqina kwekhanda nokuqondisa amathafa. Ukwehlukaniswa kwezinhlelo zokukhululwa komhlaba ezikhiqizwe nge-crawler, kuhambelana nekhono lawo lokusebenza ezindaweni ezinselelo nokufinyelela ezindaweni ezivimbela, kwenza kube okubalulekile kubaklami bezobuchwepheshe abaphatha ukuqinisa komhlaba emaphrojekthini azo zonke izigaba, okuhlanganisa ukuhamba kwayo kwempilo ka-thokoziso.
Izinsiza ezihambisana nezinsiza ezijolise emsebenzini wokwakha izisekelo zilandela ngezinsiza eziyisisekelo ezibalulekile emkhakheni wokufaka iziphakeli zomhlaba nokuzinakekela, eziqondiswe specifically ukuhweba okutholakala kalula nokuhamba kahle ezindaweni zokwakha ezikhawulelwe. Lezi zinsiza zenziwe ukuze zipele izidingo zobuchwepheshe bamaphrojekthi wokufaka iziphakeli zomhlaba, ahilela ukufakwa kwezinsimbi eziphakamisayo noma amashumi emicabango emigudwini elakulezi zikhala ezithambile noma ezingabheki kahle ukuze kudalwe umthombo ophakeme ophakeme. Ukumiswa kwezikebhe ezihambisana nezinsiza kunikeza ukuhamba okuhle ezindaweni ezinzima ngenkathi kugcinwa ukusimama kwesakhiwo namakhono okumba ngokunembile adingekayo ukuze kufakwe iziphakeli ezikuleso sikhala esifanele. Imodi yokusebenza yezinsiza ezihambisana nezikebhe igxile kwi-rotary drilling techniques exhunywe process yokufaka iziphakeli nezinhlelo zokukhanda. Lezi zinsiza zisebenzisa amasu okulwa okuphathelene noma i-auger system yokuhamba uqhubeke ukwenza imijondolo ezindaweni zomhlaba, ivumela abanjiniyela ukuba bafake izakhi ezihlaza eziwudinga ukuthwala umthwalo kusuka emhlabathini okubuhlungu kuya kumazinga ajulile, aqukethwe kahle. Ukuklanywa okuncane kuvumela ukufakwa ezindaweni zokwakha ezisemadolobheni, ezinhlelweni zokulawulwa kwemigwaqo, nasemaphrojekthini okuvikela izintaba lapho izinsiza ezinkulu zendabuko zingakwazi ukusebenza kahle. Ukuhlanganiswa kwazo nezinsiza zokuhamba ezingasebenzisa umoya noma ugesi nezinhlelo zokukhanda kudala isixazululo esiphelele sokufaka iziphakeli zomhlaba esiqinisekisa ukuthuthukiswa kokuqiniswa okufanele namakhono okuthwala umthwalo. Izinsiza ezihambisana nezikebhe zihlomula ezimweni ezahlukene zomhlaba, kusukela ku-silt ne-clay eziqhubekayo kuya kumathafa kanye nezindonga ezihlukanisiwe. Zisetyenziswa ezinhlelweni zokusekela ukuveza, ukugcina izintaba okwakuyizinsiza, ukwakhiwa kwezindonga zokugcina, kanye nokulungiswa kwezindawo ezibuhlungu emhlabeni. Izicelo ezivamile zifaka ukwakha izindlela nezitimela eduze kwezintaba, ukweseka ukwakhiwa kwezinsiza ezisogwini lwezintaba, ukugcina izinto zokwakha zisele, kanye nokuthuthukiswa komhlaba ezindaweni ezinkulu. Abanjiniyela bakhetha lezi zinhlelo lapho imikhawulo yendawo yokusebenza—indawo yokusebenza encane, izindlela zokufinyelela ezikhawulelwe, noma imvelo eyingozi—kudala ukuthi izinsiza ezimbanqoi zendabuko zingasebenzi noma zingabonakali ukwenza. Izinsiza ezihambisana nezikebhe zamuva zifaka phakathi kwezilawuli ezithuthukile, ukuphathwa kokuphenduka kokumba okutholakala kwi-computer, kanye nokuhlola kwepharamitha ye drilling ngesikhathi sangempela ukuqinisekisa ukulethwa kwezimfuneko zokwakha ezithile zokuhweba. Izincazelo ezisemqoka zomkhiqizo zifaka phakathi ukuphakama kokumba, ukumiswa kwe-torque, ukuhamba kokunyathelisa kwesikhumba, kanye nezinhlelo zokuphakela ezihlanganisiwe. Ukuthengiselwa kwazo emkhakheni wokwakhiwa kwezinsiza, ukuqiniswa kwendlela, kanye nokuthuthukiswa komhlaba emikhakheni ye-civil infrastructure, ukumba, kanye nezokuthuthukiswa kwezokuphepha kudinga ukuhambisana okuqinile nezindinganiso zokuphepha nezidingo zokusebenza ezithile izinhlelo ezikhethekile ezincane zokumba ezifaneleka kahle kuphela.
Izinsiza zokwakha ezincintisana ezibhalwa kwi-excavator zimelela intuthuko ebalulekile emisebenzini yokukhonkolo komhlabathi, ivumela ukufakwa okuphumelelayo kwezinsika zomhlabathi ezimweni ezinzima zomhlaba kumasiko amaningi wezobunjiniyela bokwakha. Lezi zifaka zokubhoboza ezikhethekile zifakwa ngqo kwi-excavator carriers, zihlanganisa ukuhamba nokusebenza kokwakha okuyimfihlo nohwebo lokubhoboza elibalulekile emisebenzini yokuzinza komhlaba nezakhiwo zokugcina umhlabathi. Ukuhlanganiswa kobuchwepheshe be-drifter namapulatifomu ajwayelekile e-excavator kwenza ukusebenza kokufaka izinsika zomhlabathi kube nekhono elikhulu futhi kube nezezimali ezikhangayo kubakhi abaphatha ukuvuna kwezinsiza, ukusungulwa kwezindonga zokugcina, kanye nemizamo yokuthuthukisa umhlaba. Isimo se-excavator esiqondiswe ngalesi sikhulumi sivumela abasebenzi ukufinyelela ezindawo ezinzima, ezindaweni zokusebenza ezivimboziwe, kanye nezindawo ezifakwe ngaphambili ngokuhambisana nokuguquguquka okuhlangene uma kuqhathaniswa nezikhulumi ezivamile ezakhelwe kumatruck noma ama-drilling rigs azimele, okwenza lezi zinsiza zibaluleke kakhulu ezindaweni zokwakha ezisemadolobheni nezindaweni ezinesithakazelo esilinganiselwe. Imisebenzi yokubhoboza izinsika zomhlabathi usebenzisa ama-drifiers afakwe kwi-excavator ibhekana nezinselelo eziyinkimbinkimbi kwezobunjiniyela bokwakha ezakhiweni ezihlanganisiwe, izintaba eziyinkimbinkimbi, umhlaba owashisiwe, kanye ne-clay ehlanjululwe. I-drifter mechanism isebenza ngezindlela ezisheshayo ze-hammer ezihlanganiswe namandla okuzungezisa, iphumeza ukufaka kahle kumkhiqizo ophakeme ngenkathi ifaka phezulu i-hollow drilling rod ezobe ithola ukufakwa kwezinsika zomhlabathi. Le ndlela yokubhoboza iyaphumelela kakhulu kumalaterite, igranite elashiyeka, isiltstone, kanye nezinye izinto eziqinile lapho ukubhoboza okukhanyi kuvamise ukubangelwa ubude obuphansi noma ungathandeki. Le teknikhi ikhiqiza ukungaphazanyiswa komhlaba okuncane, okuyinsiza enkulu uma usebenza eduze kwezithako ezikhona, izinsiza, noma ezindaweni ezisemvelweni ezithintekayo. Iphrojekthi yokufaka izinsika zomhlabathi esebenzisa ama-drifiers afakwe kwi-excavator ivame ukufaka izinkinobho eziningi ngezingxenye ezifanele nezindizayo eziphakathi kwezindawo eziphuma, ukukhonkolo, kanye nezakhiwo zokugcina umhlaba ezinzima noma ezithuthuke, ngezikhala ezingama-5 kuya kuma-20 meters kuye ngezidingo zokwakha zomhlaba ezithile nezikhombisi zokwakha. Uhlelo lwe-excavator oluhambisana ne-drifter luphucula kakhulu ukusebenza kahle ngempela ngezinto ezihlanganisiwe, amandla ahambayo, kanye nekhono lokudlulela phakathi kwemisebenzi yokubhoboza, yokukhonkolo, kanye nokusingatha izinto endaweni yokusebenza eyodwa. Abasebenzi bezinsiza benza kahle ngokubopha kakhulu, ukulandelela ngokushesha izikhala, kanye nokukwazi ukulungisa izilungiselelo zokubhoboza ngesikhathi sokubhoboza ukuze baphendule ezimeni zomhlaba ezishintshayo phakathi nenqubo yokubhoboza. Ukufakwa kwezinsika zomhlabathi ngokusebenzisa izikhala ezibunjiwe nilo leli qophelo kulindeleke ukuba kube nezezimali ezinomkhawulo, ukuhamba kahle kolwazi lokubhoboza ukuphathwa kwezicaba nokugcina ukuqina kwesikhala, nokuhlaziya okufanele okuku-geometry ukwakha izibalo zomhlaba ezicacile. Izicelo zihlanganisa ukuvuselelwa kwemathiriyeli yethu ngesikhathi sokwakha izikhanyiso zomgwaqo nezikulufu, ukuvikelwa okujwayelekile komhlaba ezindaweni ezintabeni, ukwesekwa kokukhonkolo okujulile emaphaketheni amadolobha, kanye nezinhlelo zokuthuthukisa umhlaba kwezentengiso. Le teknolojia ikwazi ukumelana nezimo zomhlaba ezithile kusuka kumakhanda omhlaba aphukile kuya kubasiyahlanganisi, inciphisa izinsuku zokuqopha nezidingo zabasebenzi ngenkathi isebenza njengezici ezidingekayo zokwakhiwa kwezinhlelo ezikhanyayo zanamuhla ezimfasti ezihamba phambili neziyinkimbinkimbi.
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