Muva nje, umshini wokumba we-Tyhen Foundation ophansi we-KR300ES ubambe iqhaza ekwakhiweni kwephrojekthi ye-Guangzhou-Baiyun District Jingguang High-Speed Rail Line 5.
Njengesizinda sezokuthutha abagibeli sohlelo lwesitimela sasemadolobheni e-Guangzhou, i-Baiyun Station iyihabhu yokuqala enkulu eyakhiwe ngokuhambisana nemiqondo yesimanje yokuhlela ihabhu lezokuthutha elihlanganisiwe e-Guangzhou. Lo msebenzi ngokuyinhloko uhilela ukwakhiwa kweSiteshi esisha sase-Guangzhou Baiyun, kanye nokuthuthukiswa kwezindawo ezihlobene njengeDepho Yokulungisa Amabhasi YaseDalang kanye nolayini besitimela abaxhumayo. Le phrojekthi ihlelelwe ukuqedwa ngo-2023.
I-KR300ES Indawo ephansi yokumba i-Rotary drilling esakhiweni sephrojekthi kaloliwe wesivinini esikhulu i-Guangzhou ububanzi obuyi-1000mm, ukujula kwenqwaba phakathi kwamamitha angama-28~33, izimo zegeological ziyinkimbinkimbi: ikakhulukazi ukugcwalisa (ikakhulukazi ukwakheka kokubuyisela emuva, izinhlayiya zemfucuza yokwakha zibe zinkulu), ubumba olunodaka. , inhlabathi (amamitha angu-3-6, imbobo egoqeka kalula), amatshe amatshe, i-siltstone enamandla kakhulu, i-siltstone enesimo sezulu. Inhlabathi engaphezulu yokugcwalisa i-backfill enembobo yebhakede lesihlabathi bese iba ngamamitha ayi-5 ngaphansi kweshubhu. Ngemva kokushaya ungqimba lwesihlabathi, udaka oluwugqinsi luyalungiswa ukuze kuvinjelwe ukugeleza kwamanzi. Faka idwala elitshekile, ubhoboze ujule bese ulidoba ngebhakede lesihlabathi. Uma kwenzeka ukuvuza kwe-slurry emgedeni omncane we-karst, lokho kungusimende wokugcwalisa emuva, futhi uqhubeke nokubhola ngemuva kokuthi usimende uqina. I-KR300ES Umshini wokumba we-headroom ophansi (ubude obungamamitha angu-10.9) ubude bokwakha obungamamitha angu-11, ifakwe u-300 kN. Inhloko yamandla etorque enkulu ye-m inika isilinganiso esifanele sodaka ukuze kuvikelwe udonga ukuze kuxazululwe ukwakhiwa kokwakheka kwesihlabathi esisheshayo namandla anamandla okuthuthukisa ukusebenza kahle kokwakhiwa kokungena kwamadwala. Ixazulula ngokuphelele izinkinga ezihlangene endaweni encane, ububanzi benqwaba enkulu, ukujula okujulile kanye nedwala elinzima. Amakhasimende wokwakha ashesha futhi asebenza kahle kakhulu enza imali, awine udumo lwabasebenzi bendawo yokwakha.
I-KR300ES low headroom rotary drilling rig isetshenziswa endaweni yokwakha yephrojekthi yesitimela esinesivinini esikhulu sase-Guangzhou, lapho ububanzi benqwaba bungu-1000mm, futhi ukujula kwenqwaba kusuka kumamitha angu-28 kuya kwangu-33. Izimo ze-geological ziyinkimbinkimbi futhi zihlanganisa izici ezihlukahlukene ezifana nenhlabathi yokugcwaliswa kwengxubevange (ikakhulukazi izendlalelo ezigcwaliswe ngemuva ezinezinhlayiya ezinkulu zemfucumfucu yokwakha), udaka oluwudaka, isihlabathi esinodaka (okusuka ku-3 kuya ku-6 wamamitha, esivame ukuwa), izendlalelo zamatshe eziyindilinga, udaka olunesimo sezulu esishisayo. i-sandstone, kanye ne-sandstone enodaka ehambisana nesimo sezulu esimaphakathi. Emhlabathini ongaphezulu, ibhakede eligoqa isihlabathi lisetshenziselwa ukwakha ikesi elingamamitha angu-5 ngaphansi komhlaba.
Ngemva kokufinyelela ungqimba lwesihlabathi, udaka oluqinile lusetshenziselwa ukuvimbela ukungena kwamanzi. Lapho uhlangabezana nezingqimba zamadwala, umphongolo oyinhloko usetshenziselwa ukungena, kulandelwa ukusetshenziswa kwebhakede elikhipha isihlabathi ukuze kukhishwe impahla. Uma kunemigodi emincane noma i-seepage, usimende uyajovwa, futhi ukumba kuyaqhubeka ngemva kokuba usimende usuqinile.
I-KR300ES low headroom rotary drilling rig, enobude obungamamitha angu-10.9, isebenza endaweni ephakeme ngamamitha angu-11 futhi ifakwe ikhanda lamandla etorque engu-300kN.m enamandla. Isetshenziswa ngesilinganiso esifanele sodaka oludaka ukuvikela udonga, ukubhekana nezinselele zokusebenza ekubunjweni kwesihlabathi esigelezayo nokwandisa ukusebenza kahle kokwakhiwa lapho kungena izingqimba zamadwala. Le rigi ixazulula kahle izinkinga okuhlangatshezwane nazo ekwakhiweni, okuhlanganisa indawo elinganiselwe, ububanzi benqwaba enkulu, ukujula okubalulekile, kanye nokungena kwamadwala okuyinselele. Ijubane layo eliphezulu lokwakha nokusebenza kahle kuzuze ukunconywa ngazwi linye kubasebenzi bendawo yokwakha, okugcine kuzuzise ikhasimende.
Isikhathi sokuthumela: Oct-25-2023