Indlela yokugrumba engatshintshiyo kunye nokuqaliswa kwezixhobo

Indlela yokugrumba engagungqiyo kunye nokuncothula iingcambu kukusebenzisa indlela yokutyala i-static yokomba kunye nemfumba yeengcambu ukwenza ukomba, ukuxutywa okunzulu kunye nokuxubana kwe-grouting yokwandisa, kwaye ekugqibeleni kufakwe iimfumba ezenziwe ngaphambili, okuthetha ukuba iimfumba ze-slub zekhonkrithi ezigxininisiweyo zangaphambili (i-PHDC) tensioned Iimpawu ezahlukeneyo kunye neemodeli zeemfumba zemibhobho yekhonkrithi ecinezelekileyo (PHC) kunye neengqumba zemibhobho yekhonkrithi eyomeleziweyo (PRHC) idityaniswe kwiindidi ezahlukeneyo ukuhlangabezana neemfuno zoyilo, kwaye zenziwa ngokokomba, ukwandiswa okuphantsi, ukugrumba, ukufakwa kunye nezinye iinkqubo. .Indlela yokwakha yesiseko semfumba.Ngenxa yeempawu zendlela yokwakha ye-static drilling kunye ne-rooting pile, umzimba wemfumba unokudlula kwii-interlayers ezahlukeneyo ze-geological, kunye ne-diameter ye-500 ~ 1200mm.Okwangoku, ubunzulu obuphezulu bokwakha bunokufikelela malunga neemitha ezingama-85 ngaphantsi komhlaba, kwaye ukucwiliswa kwemfumba yomatshini omnye kunokufikelela ngaphezu kwe-300m ngosuku, kwaye inzuzo yezoqoqosho iphezulu.kwezinye iindidi zeemfumba.

1. Iimpawu zendlela yokwakha

① Akukho kukhutshwa komhlaba, akukho ngcangcazelo, ingxolo ephantsi;ukusombulula iingxaki zokwakha zodaka lwemveli olugcina ukudilika kodonga lomngxuma, ulawulo lwentlenga, kunye nokukhutshelwa kodaka;

② Itekhnoloji yokwandiswa komzantsi ohlukileyo, i-diameter yokwandiswa kwezantsi yi-1 ~ 1.6 amaxesha edayamitha yomngxuma, ukuphakama kokwandisa okungaphantsi kumaxesha ama-3 obubanzi bokomba, umgangatho wemfumba ulungile, umphezulu wemfumba uyalawuleka ngokupheleleyo, kunye nomgangatho wokwakha. kulula ukuyilawula;

③Fakela imfumba esele yenziwe ngaphambili kumngxuma wokutsala, kwaye umhlaba wesamente uqina ukwenza imfumba eqinileyo yesamente esongelwe ngumhlaba, kunye nodaka lwesamente lwangaphandle lunesiphumo esibalulekileyo sokukhusela kumzimba wemfumba;

④Uxinzelelo oluqinileyo oluthe nkqo, ukutsalwa kunye nokumelana nomthwalo othe tye;

Ngokusetyenziswa kweentlobo ezahlukeneyo zeemfumba ezinje ngeemfumba ze-bamboo kunye neemfumba ezidibeneyo eziqinisiweyo, kunye nokwandiswa kwezantsi kunye nobuchule be-grouting, ukunyanzeliswa, ukutsalwa kunye nomthamo wokuthwala othe tye weziseko zemfumba ziphuculwe kakhulu;

⑤ ukonga amandla kunye nokukhuselwa kwendalo;

Xa kuthelekiswa neemfumba ezikruqukileyo phantsi kweemeko ezifanayo: ukonga amanzi okwakha ngama-90%, ukonga amandla angama-40%, ukukhutshwa kodaka kunciphisa i-70%, ukusebenza kakuhle kolwakhiwo kunyuka ngama-50%, ukonga iindleko nge-10% ~ 20%;

⑥ uyilo oluhlukeneyo;

Ngokweempawu zoxinzelelo lweemfumba, iintlobo ezahlukeneyo zeemfumba zinokudityaniswa, ngolu hlobo lulandelayo:

2.Umgaqo wenkqubo

Inkqubo yokwenza umngxuma wokuxuba umbhobho we-drill kunye ne-auger drill pipe kwintsebenzo eyomileyo yamkelwa, umngxuma ubhobhoza ngokuhambelana nobunzulu bokuyila, kwaye isiphelo semfumba siphinda siphindwe ngokuhambelana nobukhulu boyilo (ububanzi kunye nobude).Emva kokuba ukuphinda kugqitywe, ingqumba yodaka lwesamente kunye nodaka lwesamente olujikeleze imfumba luyagrunjwa ngelixa kusenziwa i-grouting.Emva kokuba ukugrumba kugqityiwe, imfumba ifakwe kwinqanaba lokuyila ngokuzilinganisa kwemfumba, kunye nencam yemfumba kunye nodaka lwesamente olujikeleze ingqumba ziqiniswe, ukuze imfumba, incam yemfumba kunye nesamente iludaka ngeenxa zonke. imfumba iyaqina.Yakhani umzimba kwaye niqhube amandla kunye.

3. Inkqubo yokwakha

Indlela yokwakhiwa kwemfumba ye-static yokugaya kunye ne-rooting kukusebenzisa i-sDP ekhethekileyo yokugaya i-drilling rig ukubhoboza imingxuma ngokweemfuno zoyilo.Umphantsi womngxuma uphinda uhlaziywe ngokomlinganiselo owenziweyo kunye nobude.Phakamisa i-drill, kwaye emva kokuba i-grouting igqityiwe, uthembele kubunzima bokuzimela bemfumba ukumilisela imfumba ekuphakameni koyilo, kwaye uqinise i-slurry yesamente kwisiphelo semfumba kunye nokujikeleza imfumba, ukuze imfumba kunye nokuqina. umhlaba udityanisiwe.Umthamo wokuthwala weemfumba ufumaneka ikakhulu ngokukhuhlana kwecala lemfumba kunye nokumelana nencam.Indlela yokwakhiwa kwemfumba engatshintshiyo kunye neengcambu kwandisa amandla okuthwala incam yemfumba ngokwandisa umzantsi wencopho yemfumba, kwaye yonyusa ukuxhathisa kwemfumba yecala ngokutofa uludaka lwesamente kwicala lemfumba, enokunika umdlalo opheleleyo kwimfumba. uncedo lwamandla aphezulu omzimba wemfumba owenziwe kwangaphambili kunye nokuphucula amandla okuthwala imfumba yesiseko.

Amanyathelo okwakha:

Ukugaya: Ukubeka i-Drilling rig positioning, ukukhetha isantya esifanelekileyo sokomba ngokweemeko zejoloji, ngexesha lenkqubo yokugaya, ukujova amanzi okanye umxube we-bentonite ngokweemeko ze-geological, ukunqumla umzimba womngxuma kunye nokukhusela udonga;

Ukwandiswa kwezantsi: Emva kokuba ukucheba kugqityiwe, umzantsi wemfumba uvulwa ukugrumba imingxuma ukwandisa iphiko ngeteknoloji yobuchwephesha obunokulawulwa ngobuchwephesha behydraulic, kwaye ezantsi kwandiswe ngamaqhezu ngokuhambelana nesangqa sephiko lokwandiswa kwesethi.Kwaye ngesixhobo solawulo ukujonga imeko yokwandisa ezantsi ngexesha langempela;

Inaliti yodaka lwesamente yokuphela kwemfumba: Emva kokuba ulwandiso olusezantsi lugqityiwe, i-slurry ye-samente yokuphela kwemfumba iyatofwa, kwaye i-rig yokomba iphakanyiswa ngokuphindaphindiweyo kwaye ithotywe ngexesha lenaliti ukuze kuqinisekiswe ukuba zonke iindawo zokwandisa ezisezantsi ziyatofwa kwaye i-slurry yokuphela kwe-samente ifana. ;

Ukutofwa kodaka lwesamente olujikeleze ingqumba kunye nokukhupha i-drill: Emva kokutofwa kwe-slurry yesamente ekupheleni kwemfumba, qalisa ukukhupha umbhobho wokubhobhoza, utofe udaka lwesamente ujikeleze imfumba kwaye uvuselele ngokuphindaphindiweyo;

Ukutyala iimfumba kunye nokuhanjiswa kweemfumba: Emva kokuba isixhobo sokomba sitsale yonke imibhobho yokomba, qalisa ukutyala iimfumba.Ngexesha lenkqubo yokutyala iimfumba, jonga nangaliphi na ixesha ukuqinisekisa ukuma kwemfumba kwaye uqinisekise ubunzulu obumiselweyo bokutyalwa kweemfumba;

Shift: Yiya kwindawo elandelayo yemfumba kwaye uphinde la manyathelo angasentla;

Okwesine, umda wokusetyenziswa kwendlela yokwakha

①Ifanelekile ukuthwala ucinezelo oluthe nkqo, ukutsala kunye nemithwalo ethe tye;

② Umhlaba odibeneyo, intlenga, umhlaba oyisanti, umhlaba ozaliseyo, umhlaba otyumkileyo (igrabile) umhlaba onamatye, kunye nokwakheka kwamatye aneemeko zejoloji ezintsonkothileyo, i-interlayers ezininzi, imozulu engalinganiyo, kunye notshintsho olukhulu lobulukhuni kunye nokuthamba;

③Xa kukho izakhiwo (izakhiwo) okanye imibhobho engaphantsi komhlaba kunye nezinye izixhobo zobunjineli ezikufutshane nesiza sokwakha, isiphumo sokucudisa umhlaba kufuneka silawulwe;

④ Umgangatho womhlaba onzima kwiimfumba ezikruqukileyo ukwenza imingxunya, efana nesanti engqindilili kunye nezidanga zeengqalutye okanye intlenge yomhlaba onomthamo ophezulu wokufuma (ukulungiswa komhlaba);

⑤ Ubunzulu be-bearing stratum buyahluka kakhulu, kwaye kunzima ukugweba i-stratum;isiseko somhlaba othambileyo, isiseko ngaphandle kwesiqwenga esifanelekileyo sokuthwala;

⑥ Kukho iziseko ezidala zemfumba phantsi komhlaba kunye nomaleko we-slag ongaphezulu kweemitha ezi-3 ezizaliswe ngasemva phezu komhlaba.

5. I-static drilling kunye nezixhobo zendlela ye-rooting

Isixhobo sokugrumba esingatshintshiyo kunye nesixhobo sendlela yeengcambu yeyona ndlela yolwakhiwo yokomba enesakhelo semfumba.Ekuqaleni, yayisetyenziswe ngesakhelo semfumba esisodwa sokwakhiwa, esasifuna ukongezwa kweemibhobho ezininzi, kwaye ukusebenza kakuhle kokwakhiwa kwakuphantsi.Ngoku ixhotyiswe kakhulu ngesakhelo semfumba ephindwe kabini, kwaye iindlela ezimbini zokwakha izixhobo zokomba zixhonywe ngaxeshanye.Ukugrumba ngokutshintshanayo Xa ipali isetyenzisiwe, ubunzulu bungafikelela kwi-85m, nto leyo ephucula kakhulu ukusebenza kakuhle kolwakhiwo.

Isixhobo sokugrumba esingatshintshiyo kunye nesixhobo sokucothula samkela isoftware yolawulo lolwakhiwo olukrelekrele ukujonga inkqubo yokwakha ngexesha lokwenyani ukuqinisekisa umgangatho wokwakha.Iinkcukacha ezahlukeneyo zokwakha zibonakaliswa ngokucacileyo kwisiboniso kwaye zigcinwe ngokuzenzekelayo.

I-drill bit ithatha iteknoloji yokwandisa uxinzelelo lwe-oyile ephantsi, i-diameter yokwandiswa kwezantsi yi-1 ~ 1.6 amaxesha obubanzi bokomba, kunye nokuphakama okusezantsi ngamaxesha angama-3 obubanzi bokomba;ngokweemeko ezahlukeneyo zejoloji, ulwakhiwo lunokukhetha i-drill-njongo eqhelekileyo okanye i-drill ekhethekileyo;

Universal drill bit: ilungele umhlaba onesanti

Uqheliso olulodwa:

Kwiminyaka yakutshanje, indlela yokomba emileyo isetyenziswe ngokubanzi eShanghai, eNingbo, eHangzhou nakwizixeko eziyingqongileyo, ibonelela ngokhetho olongezelelekileyo lolwakhiwo lwesiseko semfumba, kunye neenkcukacha zolwakhiwo ezinxulumeneyo kunye nemigangatho yobugcisa nayo yenziwe emva kwenye.Uhlobo olutsha lwendlela yolwakhiwo lwesiseko semfumba oluluhlaza kwaye lunobuhlobo nokusingqongileyo, lunobuchule obuphezulu bokwakha kunye nesiphumo esihle sokwenza imfumba, kwaye lufanele ukukhuthazwa ngakumbi.

Ixesha lokuposa: Aug-11-2023