Indlela yokumba engashintshi kanye nesingeniso semishini

Indlela yokumba emile kanye nezimpande iwukusebenzisa indlela yokutshala inqwaba yokumba kanye nokugxilisa izimpande ukuze kwenziwe ukubhola, ukuxutshwa okujulile nokuxuba ukunwetshwa kwe-grouting okungaphansi, bese ekugcineni kufakwe izinqwaba ezakhiwe, okusho ukuthi izinqwaba zama-slub zikakhonkolo ezigxilile (PHDC), ngaphambi- Ukucaciswa okuhlukile namamodeli wenqwaba yamapayipi kakhonkolo (PHC) kanye nezinqwaba zamapayipi kakhonkolo aqinisiwe aqinisiwe (PRHC) ahlanganiswe ngezinhlanganisela ezahlukahlukene ukuze ahlangabezane nezidingo zokuklama, futhi zenziwa ngokuya ngokubhoboza, ukunwetshwa okuphansi, ukugxusha, ukufakwa nezinye izinqubo. . Indlela yokwakha ye-pile foundation. Ngenxa yezici zendlela yokwakhiwa kwenqwaba yokumba kanye ne-rooting, umzimba wenqwaba ungadlula kuma-interlayers ahlukahlukene we-geological, futhi ububanzi benqwaba bungu-500 ~ 1200mm. Njengamanje, ukujula okuphezulu kokwakhiwa kungafinyelela kumamitha angaba ngu-85 ngaphansi komhlaba, futhi ukucwiliswa kwenqwaba yomshini owodwa kungafinyelela ngaphezu kwama-300m ngosuku, futhi inzuzo yezomnotho iphezulu. kwezinye izinhlobo zenqwaba.

1. Izici zendlela yokwakha

①Akukho ukukhishwa kwenhlabathi, akukho ukudlidliza, umsindo ophansi; ukuxazulula izinkinga zokwakha zokuwa kodonga lwembobo yodaka oluvamile, ukulawulwa kwenhlabathi, nokuphuma kodaka;

② Ubuchwepheshe obuhlukile bokunwebeka obuphansi, ububanzi obuphansi bokunwebeka izikhathi eziyi-1 ~ 1.6 zobubanzi bembobo, ukuphakama okunwebekayo okuphansi izikhathi ezi-3 zobubanzi bokubhola, izinga lenqwaba lihle, ukuphakama okuphezulu kwenqwaba kuyalawuleka ngokuphelele, kanye nekhwalithi yokwakha. kulula ukuyilawula;

③Faka inqwaba eyakhiwe ngaphambili emgodini, bese inhlabathi kasimende iqina ukuze yenze inqwaba eqinile egoqwe inhlabathi kasimende, futhi udaka lukasimende lwangaphandle lunomphumela obalulekile wokuvikela emzimbeni wenqwaba;

④Ukuminyanisa okuqondile okuqine ngokwedlulele, ukudonsa kanye nokumelana nomthwalo ovundlile;

Ngokusetshenziswa kwezinhlobo ezahlukene zenqwaba ezifana nezinqwaba zoqalo kanye nezinqwaba eziqinisiwe eziyinhlanganisela, kanye namasu okukhulisa phansi kanye ne-grouting, ukucindezelwa, ukudonsa kanye nomthamo wokuthwala ovundlile wezisekelo zenqwaba kwenziwa ngcono kakhulu;

⑤ ukonga amandla nokuvikelwa kwemvelo;

Uma kuqhathaniswa nezinqwaba ezinesithukuthezi ngaphansi kwezimo ezifanayo: ukonga amanzi okwakhiwa ngama-90%, ukonga ukusetshenziswa kwamandla ka-40%, ukukhishwa kodaka kunciphisa ngo-70%, ukusebenza kahle kokwakhiwa kukhuphuka ngo-50%, ukonga izindleko ngo-10% ~ 20%;

⑥idizayini ehlukahlukene;

Ngokuya ngezici zokucindezeleka zezinqwaba, izinhlobo ezahlukene zenqwaba zingahlanganiswa, ngale ndlela elandelayo:

2.Umgomo wenqubo

Inqubo yokwenza imbobo yokuxuba ipayipi lokubhoboza kanye nepayipi lokubhoboza i-auger ekusebenzeni okomile iyamukelwa, imbobo ibhojwa ngokuya ngokujula komklamo, futhi isiphetho senqwaba sivuselelwa kabusha ngokuya ngosayizi wokuklama (ububanzi nobude). Ngemva kokuqedwa kokulungiswa kabusha, inqwaba yodaka lukasimende kanye Nodaka lukasimende oluzungeze inqwaba luyabholwa ngenkathi kufakwa i-grouting. Ngemva kokuba ukubhola sekuqediwe, inqwaba igxiliswa ezingeni lokuklama ngesisindo somuntu siqu senqwaba, futhi ithiphu yenqwaba kanye nodaka lukasimende oluzungeze inqwaba kuqiniswe, ukuze inqwaba, ithiphu yenqwaba kanye nosimende slurry nxazonke. inqwaba iyaqina. Yakhani umzimba futhi nisebenzise amandla okuzala ndawonye.

3. Inqubo yokwakha

Indlela yokwakhiwa kwenqwaba yokumba emile kanye ne-rooting ukusebenzisa i-sDP ekhethekile yokubhoboza imbobo ngokuhambisana nezidingo zokuklama. Iphansi lomgodi livuselelwa kabusha ngokusho kobubanzi obuklanyelwe nobude. Phakamisa i-drill, futhi ngemva kokuqedwa kwe-grouting, thembela ekuzilinganiseni kwenqwaba ukuze ugxilise inqwaba endaweni ephakeme yomklamo, futhi uqinise i-slurry kasimende ekupheleni kwenqwaba futhi nxazonke zenqwaba, ukuze inqwaba kanye nokuqiniswa. inhlabathi ihlanganiswe. Amandla okuthwala ama-piles atholakala ngokuyinhloko ngokungqubuzana kohlangothi lwenqwaba kanye nokumelana nethiphu yenqwaba. Indlela yokwakha inqwaba engashintshi kanye nendlela yokwakha inqwaba yezimpande ikhulisa amandla okuthwala ithiphu lenqwaba ngokunweba indawo engezansi yephuzu lenqwaba, futhi ikhulise ukumelana nokungqubuzana kohlangothi lwenqwaba ngokujova udaka lukasimende ohlangothini lwenqwaba, okunganikeza ukudlala ngokugcwele izinzuzo zamandla aphezulu womzimba wenqwaba owenziwe ngaphambili futhi uthuthukise umthamo wokuthwala wenqwaba yesisekelo.

Izinyathelo zokwakha:

Ukubhoboza: Ukuma kwe-Drilling rig, ukukhetha isivinini esifanele sokumba ngokwezimo ze-geological, ngesikhathi sokumba, ukujova amanzi noma ingxube ye-bentonite ngokwezimo ze-geological, ukuphungula umzimba wembobo nokuvikela udonga;

Ukunwetshwa okungaphansi: Ngemva kokuphothulwa kokunqunywa, phansi kwenqwaba kuyavulwa ukuze kubhojwe izimbobo ukuze kwandiswe iphiko ngobuchwepheshe be-hydraulic obuchwepheshile obulawulekayo, futhi okuphansi kunwetshwa ngamafrakshini ngokuvumelana nobubanzi bephiko lokunwebeka elimisiwe. Futhi ngokusebenzisa idivayisi yokuphatha ukuqapha isimo sokunwebeka phansi ngesikhathi sangempela;

I-Pile end slurry injection: Ngemva kokuqedwa kokunwetshwa okuphansi, inqwaba yodaka lukasimende iyajovwa, futhi umshini wokumba uphakanyiswa ngokuphindaphindiwe futhi wehliswe ngesikhathi sokujova ukuze kuqinisekiswe ukuthi zonke izingxenye ezingezansi zokunwetshwa ziyajovwa futhi inqwaba yodaka lukasimende iyafana. ;

Ukujova udaka lukasimende ezungeze inqwaba bese ukhipha umshini wokubhoboza: Ngemva kokujova udaka lukasimende ekugcineni kwenqwaba, qala ukukhipha ipayipi lokubhoboza, faka udaka lukasimende ezungeze inqwaba bese ugoqa ngokuphindaphindiwe;

Ukutshala inqwaba kanye nokulethwa kwenqwaba: Ngemva kokuba umshini wokumba ukhiphe wonke amapayipi okubhola, qala ukutshala izinqwaba. Ngesikhathi senqubo yokutshala inqwaba, qapha nganoma yisiphi isikhathi ukuze uqinisekise ukuma kwenqwaba futhi uqinisekise ukujula okuhleliwe kokutshala inqwaba;

Shift: Hamba uye endaweni elandelayo yenqwaba bese uphinda izinyathelo ezingenhla;

Okwesine, ububanzi bokusetshenziswa kwendlela yokwakha

①Ifanele ukuthwala ukucindezelwa okuqondile, ukudonsa kanye nemithwalo evundlile;

② Inhlabathi ehlangene, udaka, inhlabathi enesihlabathi, inhlabathi egcwalisayo, inhlabathi echotshoziwe (itshe) enamatshe, nokwakheka kwamadwala anezimo ze-geological eziyinkimbinkimbi, ama-interlayers amaningi, isimo sezulu esingalingani, kanye nezinguquko ezinkulu zokuqina nokuthamba;

③Uma kunezakhiwo (izakhiwo) noma amapayipi angaphansi komhlaba nezinye izinsiza zobunjiniyela eduze kwendawo yokwakha, umphumela wokuminyanisa umhlabathi udinga ukulawulwa;

④ Ikhwalithi yomhlabathi okunzima ukuthi izinqwaba ezibhorekile zenze izimbobo, njengesihlabathi esiwugqinsi neziphambano zamatshe noma inhlabathi enodaka onomswakama ophezulu (ukubuyiselwa komhlaba);

⑤ Ukujula kwe-bearing stratum kuyahluka kakhulu, futhi kunzima ukwahlulela i-stratum; isisekelo senhlabathi ethambile, isisekelo esingenaso i-stratum yokuzala efanelekile;

⑥ Kunezisekelo zenqwaba ezindala ngaphansi komhlaba kanye nongqimba lwe-slag olungaphezu kwamamitha angu-3 olugcwaliswe ngemuva phezulu.

5. Imishini yokumba engaguquki kanye nendlela yokufaka izimpande

Imishini yokumba emile kanye nendlela yokufaka izimpande ngokuyinhloko iyindlela yokwakha insimbi yokumba enohlaka lwenqwaba. Ekuqaleni, yayisetshenziswa ngohlaka lwenqwaba yethrekhi eyodwa yokwakha, eyayidinga ukungezwa okuningi kwamapayipi okubhoboza, futhi ukusebenza kahle kokwakhiwa kwakuphansi. Manje ifakwe kakhulu uhlaka lwenqwaba yethrekhi ephindwe kabili, futhi izindlela zokumba ezimbili zokumba zimisiwe ngesikhathi esisodwa. Ukubhola ngokushintshana Uma isigxobo sesisetshenzisiwe, ukujula kungafinyelela ku-85m, okuthuthukisa kakhulu ukusebenza kahle kokwakha.

Imishini yendlela yokumba emile kanye ne-rooting isebenzisa isofthiwe yokuphatha ukwakhiwa ehlakaniphile ukuze iqaphe inqubo yokwakha ngesikhathi sangempela ukuze kuqinisekiswe ikhwalithi yokwakha. Idatha ehlukahlukene yokwakha ibonakala ngokucacile esibukweni futhi igcinwe ngokuzenzakalelayo.

I-drill bit ithatha ubuchwepheshe obuthuthukisiwe bokunwetshwa komfutho kawoyela ophansi, ububanzi obuphansi bokunwebeka izikhathi eziyi-1 ~ 1.6 zobubanzi bokubhola, futhi ukuphakama okuphansi okunwetshiwe kuyizikhathi ezi-3 zobubanzi bokubhola; ngokwezimo ezihlukahlukene ze-geological, ukwakhiwa kungakhetha umshini wokuzikhandla ojwayelekile noma umshini okhethekile;

I-Universal drill bit: ilungele inhlabathi enesihlabathi

Ukuzivocavoca okukhethekile:

Eminyakeni yamuva nje, indlela yokumba emile isetshenziswe kabanzi e-Shanghai, e-Ningbo, e-Hangzhou nasemadolobheni aseduze kwayo, ihlinzeka ngezinqumo ezengeziwe zokwakhiwa kwesisekelo senqwaba, kanye nokucaciswa okuhlobene nokwakhiwa kanye namazinga obuchwepheshe nakho kuye kwenziwa ngokulandelana. Uhlobo olusha lwendlela yokwakha isisekelo senqwaba eluhlaza futhi oluhambisana nemvelo, lusebenza kahle kakhulu ekwakheni kanye nomphumela omuhle wokwakha inqwaba, futhi olufanele ukukhuthazwa okwengeziwe.

Isikhathi sokuthumela: Aug-11-2023