Ngokuqala kokulungiswa kwesixeko esidala, iimfumba zemibhobho entywiliselweyo kunye neengqumba ezenziwe ngaphambili ezazakhiwe ekuqaleni koo-1970 kunye nee-1980 ziya kuba yimiba ebalulekileyo echaphazela inkqubela phambili eqhelekileyo yolwakhiwo. Ukunyangwa kweemfumba zesiseko esele zikhona kuye kwaba sisihloko esibalulekileyo kwinkalo yolwakhiwo lwe-geotechnical. Indlela yokwakhiwa kweSuper Top ibonelela ngendlela entsha nesebenzayo yonyango.
Indlela yokwakhiwa kwe-Super Top (i-roating drilling type iron casing method) yi-casing rotator esebenzisa uxinzelelo olusezantsi kunye ne-torque eveliswa zizixhobo ezijikelezayo ezipheleleyo zokuqhuba i-casing yensimbi ukujikeleza, isebenzisa isenzo sokusika intloko yokusika amandla aphezulu. umbhobho orifice emhlabeni, ubhobhoza i-casing emhlabeni, kwaye emva koko usebenzisa i-grab graw ukususa imiqobo ngaphakathi kwi-casing.
Iindlela eziphambili zokunyanga isiseko esele sikhona ngesi sixhobo zezi zilandelayo:
Indlela yoku-1: Sebenzisa esi sixhobo ukugquma isiseko esele sikhona kumbhobho, emva koko sebenzisa isando esinzima ukuyityumza, kwaye ekugqibeleni usebenzise ukubamba ukuyibamba.
Indlela yesi-2: Sebenzisa esi sixhobo ukugquma isiseko esele sikhona kumbhobho, sebenzisa umpu wamanzi woxinzelelo oluphezulu ukutyumza umhlaba ojikeleze imfumba, emva koko uqhube intsimbi ende yentsimbi enxantathu ukulungisa imfumba ekhoyo, ujikelezise i-casing, ujije imfumba. , kwaye ekugqibeleni sebenzisa i-punch kwaye ubambe ukukhupha icandelo lemfumba de unyango lugqitywe.
Indlela yesi-3: Ukusebenzisa esi sixhobo, isiseko esele sikhona sifakwe kumbhobho, kwaye i-multi-support shoe crusher ifakwe kwi-casing. Uxinzelelo loyilo lwesakhiwo sesihlangu senkxaso eninzi sisetyenziselwa ukukhangisa kwindonga yangaphakathi ye-casing. Emva koko, i-casing rotary ezantsi uxinzelelo isetyenziselwa ukuqhuba i-multi-support crusher yesihlangu ukubhola kunye nokwaphula imfumba.
Umzobo weSchematic woNyango oluLwaphukileyo lweZihlangu zeNkxaso ezininzi zeePiles ezikhoyo.
Le ndlela yokwakha yaziwa ngokuba “yindlela yokwakha yehlabathi lonke” eJapan. Isixhobo sinokufikelela kwi-1/500 verticality kwaye sinokusika ilitye elinamandla aphezulu kunye nekhonkrithi eqinisiweyo, ukunika izisombululo ezitsha kwiingxaki ezintsha ezifunyenwe kulwakhiwo lwe-geotechnical.
Iinkcukacha ezithe kratya kwi-casing rotator, pls nceda uqhagamshelane nathi ngobubele.
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Ixesha lokuposa: Mar-29-2023