한국어
中文Kwiminyaka yakutshanje, indlela yokwakha ye-TRD isetyenziswe ngokubanzi kwaye isetyenziswa ngokubanzi e-China, kwaye ukusetyenziswa kwayo kwizikhululo zeenqwelo moya, ukugcinwa kwamanzi, umzila kaloliwe kunye nezinye iiprojekthi zeziseko zophuhliso nazo ziyanda. Apha, siza kuxubusha iingongoma eziphambili zeteknoloji yokwakha ye-TRD usebenzisa iTunnel ye-Xiongan kwicandelo elingaphantsi komhlaba le-Xiongan New Area ye-Xiongan Xin High-speed Railway njengemvelaphi. Kwaye ukusetyenziswa kwayo kummandla ongasentla. Iziphumo zovavanyo zibonisa ukuba indlela yokwakha ye-TRD inomgangatho omhle wodonga kunye nokusebenza kakuhle kokwakhiwa, okunokuhlangabezana ngokupheleleyo neemfuno zokwakha. Ukusetyenziswa komlinganiselo omkhulu wendlela yokwakha ye-TRD kule projekthi ikwangqina ukufaneleka kwendlela yokwakha ye-TRD kummandla osemantla. , ukubonelela ngeembekiselo ezininzi zolwakhiwo lweTRD kummandla osemantla.
1. Isishwankathelo seProjekthi
I-Xiongan-Xinjiang High-speed Railway ibekwe kumbindi woMntla we-China, isebenza kumaphondo e-Hebei nase-Shanxi. Ibaleka kancinci kwicala lempuma-ntshona. Umgca uqala kwisikhululo saseXiongan kwiSithili esitsha saseXiongan empuma kwaye uphele kwisikhululo sikaloliwe saseXinzhou eNtshona seDaxi Railway entshona. Idlula kwiSithili esitsha saseXiongan, kwisiXeko saseBaoding, nakwiSixeko saseXinzhou. , kwaye idibaniswe neTaiyuan, ikomkhulu lePhondo laseShanxi, ngeDaxi Passenger Express. Ubude bomgca ongundoqo osanda kwakhiwa yi-342.661km. Lijelo elibalulekileyo elithe tye kuthungelwano lwezothutho lukaloliwe oluhamba ngesantya esiphezulu “kwindawo ezine ezithe nkqo nezimbini ezithe tye” zeXiongan New Area, kwaye ikwayi “Medium and Long-term Railway Network Plan” “Isibhozo esithe nkqo neSibhozo esiHorizonti. "Umzila kaloliwe ohamba ngesantya esiphezulu uyinxalenye ebalulekileyo ye-Beijing-Kunming Corridor, kwaye ukwakhiwa kwayo kubaluleke kakhulu ekuphuculeni uthungelwano lwendlela.
Maninzi amacandelo ebhidi yoyilo kule projekthi. Apha sithatha icandelo le-bid 1 njengomzekelo wokuxoxa ngokusetyenziswa kokwakhiwa kwe-TRD. Umda wolwakhiwo weli candelo leebhidi kumnyango weTonela entsha yeXiongan (iCandelo loku-1) ekwilali yaseGaoxiaowang, kwiNqila yaseRongcheng, kwisiXeko saseBaoding. Umgca uqala ukusuka Udlula kumbindi welali. Emva kokushiya ilali, yehla ngeBaigou ukukhokela umlambo, kwaye isuka kwicala elingasezantsi leGuocun ukuya ngasentshona. Isiphelo sasentshona siqhagamshelwe kwiSikhululo se-Xiongan Intercity. Ukuqala nokuphela komgama wetonela yi-Xiongbao DK119+800 ~ Xiongbao DK123+050. Itonela ibekwe e-Baoding Isixeko si-3160m e-Rongcheng County kunye ne-4340m kwi-Anxin County.
2. Isishwankathelo soyilo lweTRD
Kule projekthi, udonga oluxutywayo lwesamente nomhlaba olunobungqingqwa obulinganayo bunobunzulu bodonga obuyi-26m~44m, ubukhulu bodonga lwe-800mm, kunye nomthamo wemitha yesikweri iyonke emalunga nama-650,000 eemitha zesikwere.
Udonga lwe-samente-umhlaba wokuxuba ubukhulu obulinganayo lwenziwe nge-P.O42.5 yesamente eqhelekileyo yasePortland, umxholo we-samente awukho ngaphantsi kwe-25%, kunye nomlinganiselo wamanzi-samente yi-1.0 ~ 1.5.
Ukutenxa kodonga oluthe nkqo kudonga oluxutywayo lwesamente-yomhlaba lobukhulu obulinganayo abuyi kuba nkulu kuno 1/300, ukutenxa kwendawo yodonga akuyi kuba nkulu kuno +20mm~-50mm (ukutenxa emhadini kulungile), ubunzulu bodonga. ukuphambuka akuyi kuba mkhulu kune-50mm, kwaye ubukhulu bodonga abuyi kuba ngaphantsi kwe-Wall eyenzelwe ubukhulu, ukuphambuka kulawulwa kwi-0 ~ -20mm (ukulawula ukuphambuka kobukhulu bebhokisi lokusika).
Ixabiso eliqhelekileyo lamandla oxinzelelo olungenasiphelo lwe-samente-umhlaba wokuxuba udonga lobunzima obulinganayo emva kweentsuku ezingama-28 zokugaya okungundoqo akukho ngaphantsi kwe-0.8MPa, kwaye i-coefficient ye-permeability yodonga ayikho ngaphezu kwe-10-7cm / s.
Udonga lokuxutywa kwesamente-yomhlaba olulinganayo luthatha inkqubo yolwakhiwo lwamadonga olunamanyathelo amathathu (oko kukuthi, ukugrumba kokuqala, ukugrumba ukuhlehla, kunye nokudibanisa udonga). Emva kokuba i-stratum ikhutshwe kwaye ikhululwe, ukutshiza kunye nokuxuba kwenziwa ngoko ukuqinisa udonga.
Emva kokuxutywa kodonga lwe-samente-umhlaba wokuxuba ubukhulu obulinganayo bugqityiwe, uluhlu lwebhokisi lokusika lufafazwa kwaye luxutywe ngexesha lokuphakanyiswa kwebhokisi lokusika ukuqinisekisa ukuba indawo ehlala kwibhokisi yokusika igcwele kwaye iqiniswe ngokufanelekileyo. ukuthintela iziphumo ezibi eludongeni lwesilingo. .
3. Iimeko zejoloji
Iimeko zejoloji
I-strata eveziweyo kumphezulu wawo wonke uMmandla oMtsha weXiongan kunye nemimandla ethile ejikelezileyo yiQuaternary loose layers. Ubukhulu bentlenga yeQuaternary ngokuqhelekileyo bumalunga nama-300 eemitha, kwaye uhlobo lokubunjwa luyi-alluvial.
(1) Inkqubo entsha kraca (Q₄)
Umgangatho weHolocene ungcwatywa ngokubanzi kwi-7 ukuya kwi-12 yeemitha ubunzulu kwaye ubukhulu becala yi-alluvial deposits. Umntla we-0.4~8m ludongwe olunentlenga esanda kufakwa, intlenga yentlenga, kunye nodongwe, ubukhulu becala ngwevu ukuya kwengwevu-mdaka kunye nomthubi-mdaka; i-lithology ye-stratum esezantsi ludongwe lwentlenga yentlenga jikelele, intlenga yentlenga, kunye nodongwe, kunye namanye amacandelo aqulethe isanti ecolekileyo kunye nemigangatho ephakathi. Umaleko wesanti ubukhulu becala ukho ngokumila kwelensi, kwaye umbala womaleko womhlaba ubukhulu becala utyheli-mdaka ukuya kumdaka-tyheli.
(2) Hlaziya inkqubo (Q₃)
Ubunzulu bokungcwatywa komgangatho oPhezulu wePleistocene ngokuqhelekileyo yi-50 ukuya kwi-60 yeemitha. Ubukhulu becala yi-alluvial deposits. I-lithology ikakhulu ludongwe oluyintlenga, intlenga, udongwe, isanti ecolekileyo nesanti ephakathi. Umhlaba wodongwe unzima kwiplastiki. , umhlaba oyisanti uphakathi ukuya kuxinene, kwaye umaleko womhlaba ubukhulu becala bungwevu-tyheli-mdaka.
(3) Inkqubo ye-Mid-Pleistocene (Q₂)
Ubunzulu bokungcwatywa komgangatho ophakathi kwePleistocene ngokuqhelekileyo yi-70 ukuya kwi-100 yeemitha. Ubukhulu becala yenziwe ludongwe lwe-alluvial silty, udongwe, intlenga yodongwe, isanti ecolekileyo, kunye nesanti ephakathi. Umhlaba wodongwe unzima kwiplastiki, kwaye umhlaba wesanti ukwimo exineneyo. Umaleko womhlaba ubukhulu becala utyheli-ntsundu, umdaka-mthubi, umdaka-bomvu, kwaye ubentsundu.
(4) Obona bunzulu beqhina lasempuma bomhlaba ecaleni komgca yi-0.6m.
(5) Phantsi kweemeko zesiza soDidi II, ixabiso lesahlulelo sokwahlulwa kwenyikima kwincopho esisiseko yi-0.20g (iqondo); ixabiso lesahlulelo sexesha lenyikima esisiseko yi-0.40s.
2. Iimeko ze-Hydrogeological
Iindidi zamanzi aphantsi komhlaba abandakanyeka kuluhlu lobunzulu bokuphonononga kwesi siza ikakhulu aquka amanzi ane-phreatic kumaleko omhlaba ongekho nzulu, amanzi avaleleke kancinci kumaleko womhlaba onentlenga ephakathi, kunye namanzi avalelekileyo kumaleko onzulu womhlaba oyisanti. Ngokweengxelo zejoloji, iimpawu zokusasazwa kweentlobo ngeentlobo ze-akhwifa zezi zilandelayo:
(1) Amanzi aphezu komhlaba
Amanzi angaphezulu aphuma ikakhulu kumlambo we-Baigou diversion (inxalenye yomlambo okufuphi netonela izaliswe yinkxwaleko, umhlaba weefama kunye nebhanti eluhlaza), kwaye akukho manzi kuMlambo i-Pinghe ngexesha lovavanyo.
(2) Ukuntywila emanzini
Itonela ye-Xiongan (iCandelo loku-1): Isasazwe kufutshane nomphezulu, ikakhulu ifunyenwe kwindawo engekho nzulu ②51 umaleko, ②511 umaleko, ④21 umaleko wentlenga yodongwe, ②7 umaleko, ⑤1 umaleko wesanti ecolekileyo, kunye ⑤2 umaleko wesanti ophakathi. ②7. Umaleko wesanti ecolekileyo ⑤1 kunye nomgangatho wesanti ophakathi kwi-⑤2 unokuthwala amanzi kunye nokungena, ubukhulu obukhulu, ukusabalalisa okulinganayo, kunye nomxholo wamanzi atyebileyo. Ziphakathi ukuya kumaleko anamandla anokungenwa ngamanzi. Ipleyiti ephezulu yalo maleko yi-1.9 ~ 15.5m ubunzulu (ukuphakama yi-6.96m~-8.25m), kwaye i-plate ephantsi yi-7.7 ~ 21.6m (ukuphakama yi-1.00m~-14.54m). I-aquifer ye-phreatic ingqindilili kwaye isasazwe ngokulinganayo, nto leyo ibaluleke kakhulu kule projekthi. Ukwakhiwa kunempembelelo enkulu. Umgangatho wamanzi aphantsi komhlaba wehla ngokuthe ngcembe ukusuka empuma ukuya entshona, ngokutshintsha kwamaxesha onyaka we-2.0 ~ 4.0m. Umgangatho wamanzi ozinzileyo wokuntywila yi-3.1 ~ 16.3m ubunzulu (ukuphakama kwe-3.6~-8.8m). Echatshazelwa kukungena kwamanzi angaphezulu asuka kuMlambo iBaigou Diversion, amanzi angaphezulu ahlaziya amanzi aphantsi komhlaba. Umgangatho wamanzi aphantsi komhlaba ngowona uphezulu eBaigou Diversion River kunye kufuphi neDK116+000 ~ Xiongbao DK117+600.
(3) Amanzi acinezelekileyo
ITuneli yeXiongan (Icandelo 1): Ngokweziphumo zophando, amanzi anoxinzelelo ahlulahlulwe abe ngamacandelo amane.
Umaleko wokuqala we-akhwifa yamanzi evaliweyo iqulathe ⑦ 1 isanti ecolekileyo, ⑦ 2 esanti ephakathi, kwaye isasazwe ekuhlaleni ⑦51 yentlenga yodongwe. Ngokusekelwe kwiimpawu zokusasazwa kwe-aquifer kwicandelo elingaphantsi komhlaba leprojekthi, amanzi avaliweyo kulo maleko abalwa njengeNombolo ye-1 evaliweyo ye-aquifer.
Eyesibini iakhwifa yamanzi evalekileyo iqulathe ⑧4 isanti ecolekileyo, ⑧5 yesanti ephakathi, kwaye isasazwe ekuhlaleni ⑧21 yentlenga yodongwe. Amanzi avaliweyo kulo maleko asasazwa ikakhulu kwi-Xiongbao DK122+720~Xiongbao DK123+360 kunye ne-Xiongbao DK123+980~Xiongbao DK127+360. Ekubeni uluhlu lwesanti lwe-8 kweli candelo luqhubeka kwaye lusasazwa ngokuzinzileyo, i-sand layer ye-84 kweli candelo ihlulwe kakuhle. Isanti, ⑧5 isanti ephakathi, kunye ⑧21 nodongwe olunodongwe olumanzi elityebileyo lwahlulwe ngokwahlukeneyo kwi-akhwifa yesibini evalekileyo. Ngokusekelwe kwiimpawu zokusasazwa kwe-aquifer kwicandelo elingaphantsi komhlaba leprojekthi, amanzi avaliweyo kulo maleko abalwa njengeNombolo ye-2 ye-aquifer evaliweyo.
Umaleko wesithathu we-akhwifa evalekileyo yenziwa ikakhulu ⑨1 yintlabathi ecolekileyo, ⑨2 esanti ephakathi, ⑩4 isanti ecolekileyo, kunye ⑩5 nesanti ephakathi, ezisasazwe ekuhlaleni ⑨51.⑨52 kunye (1021.⑩22 silt. I-akhwifa yobunjineli IiNgcaciso, lo maleko wamanzi avaliweyo ubalwa njengeNombolo ③ evalelekileyo.
Umaleko wesine we-akhwifa evalekileyo yenziwa ikakhulu ①3 yintlabathi ecolekileyo, ①4 isanti ephakathi, ⑫1 isanti ecolekileyo, ⑫2 isanti ephakathi, ⑬3 isanti ecikizekileyo, kunye ⑬4 nesanti ephakathi, ezisasazwe ekuhlaleni kwi-①21.⑫512.⑫22. .⑬21.⑬22 Kumhlaba onomgubo. Ngokusekelwe kwiimpawu zokusasazwa kwe-aquifer kwicandelo elingaphantsi komhlaba leprojekthi, amanzi avaliweyo kulo maleko abalwa njengeNombolo yesi-4 ye-aquifer.
Itonela le-Xiongan (Icandelo 1): Ukuphakama komgangatho wamanzi azinzileyo kumanzi avaliweyo kwi-Xiongbao DK117+200~Xiongbao DK118+300 icandelo yi-0m; umphakamo ozinzileyo wamanzi avalelweyo kwi-Xiongbao DK118+300~Xiongbao DK119+500 icandelo yi -2m ;Umphakamo ozinzileyo wamanzi wecandelo lamanzi anoxinzelelo ukusuka kwi-Xiongbao DK119+500 ukuya kwi-Xiongbao DK123+050 yi -4m.
4. Uvavanyo lwamadonga ovavanyo
I-water-stop longitudinal silos yale projekthi ilawulwa ngokwecandelo leemitha ezingama-300. Ifom yekhethini yokumisa amanzi iyafana nekhethini lokumisa amanzi kumacala omabini omgodi wesiseko osondeleyo. Indawo yokwakha ineekona ezininzi kunye namacandelo ngokuthe ngcembe, nto leyo eyenza ulwakhiwo lube nzima. Ikwakokokuqala ukuba indlela yokwakha yeTRD isetyenziswe kwinqanaba elikhulu kangaka emantla. Isicelo sommandla ukwenzela ukuba kuqinisekiswe ubuchule bokwakha bendlela yokwakha ye-TRD kunye nezixhobo phantsi kweemeko ze-stratum, umgangatho wodonga lwe-samente-yomhlaba wokuxuba udonga olulinganayo, ukudibanisa ukuxubana kwesamente, amandla kunye nokusebenza kokumisa amanzi, njl. iiparamitha ezahlukeneyo zokwakha, kunye nokwakha ngokusesikweni Qhuba uvavanyo lovavanyo lodonga kwangaphambili.
Iimfuno zokuyilwa kodonga lovavanyo:
Ubunzima bodonga buyi-800mm, ubunzulu buyi-29m, kwaye ubude bendiza abukho ngaphantsi kwe-22m;
Ukutenxa kodonga oluthe nkqo akusayi kuba nkulu kuno-1/300, ukutenxa kwindawo yodonga akuyi kuba nkulu kuno-+20mm~-50mm (ukutenxa emhadini kulungile), ukutenxa kobunzulu bodonga akuyi kuba nkulu kuno-50mm, udonga. Ubukhulu abuyi kuba ngaphantsi kobukhulu bodonga oluyiliweyo, kwaye ukutenxa kuya kulawulwa phakathi kwe-0 ~ -20mm (lawula ukutenxa kobungakanani bentloko yebhokisi yokusika);
Ixabiso eliqhelekileyo lamandla oxinzelelo olungathinteliyo lwe-samente-umhlaba wokuxuba udonga lobunzima obulinganayo emva kweentsuku ezingama-28 zokugrumba okungundoqo akukho ngaphantsi kwe-0.8MPa, kwaye i-coefficient yodonga lombane akufanele ibe mkhulu kune-10-7cm / sec;
Inkqubo yokwakha:
Udonga lokuxutywa kwesamente-yomhlaba olulinganayo luthatha amanyathelo amathathu enkqubo yokwakha udonga (oko kukuthi, ukugrumba kwangaphambili, ukugrumba ukuhlehla, kunye nokudibanisa udonga).
Ubukhulu bodonga lodonga lwesilingo yi-800mm kwaye ubunzulu obukhulu yi-29m. Yakhiwe kusetyenziswa umatshini wokwakha we-TRD-70E. Ngethuba lovavanyo lwenkqubo yodonga, ukusebenza kwezixhobo kwakuqhelekileyo, kwaye isantya sokuqhubela phambili udonga sasiyi-2.4m / h.
Iziphumo zovavanyo:
Iimfuno zovavanyo zodonga lovavanyo: Kuba udonga lovavanyo lunzulu kakhulu, uvavanyo lwamandla ebhloko yovavanyo lwe-slurry, uvavanyo lwesampulu engundoqo kunye novavanyo lokungena kufuneka luqhutywe ngokukhawuleza emva kokuba udonga lokuxutywa kwesamente yomhlaba olulinganayo lugqityiwe.
Uvavanyo lwebhloko yovavanyo oluludaka:
Uvavanyo lwamandla oxinzelelo olungathinteliyo lwenziwa kwiisampulu eziphambili zeendonga zokuxuba umhlaba wesamente ezinobunzima obulinganayo ngexesha leentsuku ezingama-28 kunye neentsuku ezingama-45 zokunyanga. Iziphumo zezi zilandelayo:
Ngokutsho kwedatha yokuvavanya, amandla angathinteliyo oxinzelelo lwesamente-yomhlaba odibanisa udonga lweesampulu ezinobunzima obulinganayo bukhulu kune-0.8MPa, ukuhlangabezana neemfuno zoyilo;
Uvavanyo lokungena:
Yenza uvavanyo lwe-coefficient yokungena kwiisampulu eziphambili zeendonga zokuxuba umhlaba we-samente ezinobunzima obulinganayo ngexesha leentsuku ezingama-28 kunye neentsuku ezingama-45 zokunyanga. Iziphumo zezi zilandelayo:
Ngokutsho kwedatha yokuvavanya, iziphumo ze-permeability coefficient ziphakathi kwe-5.2 × 10-8-9.6 × 10-8cm / sec, ehlangabezana neemfuno zoyilo;
Kwenziwe uvavanyo lwamandla oxinzelelo lomhlaba wesamente:
Uvavanyo lwexeshana lweentsuku ezingama-28 lwaqhutywa kwibhloko yovavanyo lwe-slurry eludongeni. Iziphumo zovavanyo zaziphakathi kwe-1.2MPa-1.6MPa, edibene neemfuno zoyilo;
Uvavanyo lwexeshana lweentsuku ezingama-45 lwaqhutywa kwibhloko yovavanyo lwe-slurry test block. Iziphumo zovavanyo zaziphakathi kwe-1.2MPa-1.6MPa, edibene neemfuno zoyilo.
5. Iiparamitha zokwakha kunye namanyathelo obugcisa
1. Iiparamitha zokwakha
(1) Ubunzulu bokwakha bendlela yokwakha ye-TRD yi-26m ~ 44m, kwaye ubukhulu bodonga yi-800mm.
(2) I-liquid yokugaya ixutywe ne-sodium bentonite, kunye nomlinganiselo wamanzi-samente W / B yi-20. I-slurry ixutywe kwisayithi kunye ne-1000kg yamanzi kunye ne-50-200kg ye-bentonite. Ngethuba lenkqubo yokwakha, umlinganiselo wamanzi-samente we-liquid yokugubha unokulungiswa ngokufanelekileyo ngokweemfuno zenkqubo kunye neempawu zokubunjwa.
(3) Ukumanzi kolwelo oluxutyiweyo olugrunjiweyo kufuneka kulawulwe phakathi kwe-150mm kunye ne-280mm.
(4) Ulwelo lokumba lusetyenziswa kwinkqubo yokuziqhuba yebhokisi yokusika kunye nenyathelo lokumba kwangaphambili. Kwinqanaba lokumba lokurhoxa, ulwelo lokumba lutofwa ngokufanelekileyo ngokuhambelana nolwelo oluxutyiweyo lodaka.
5 Umlinganiselo wamanzi-samente kufuneka ulawulwe ubuncinci ngaphandle kokunciphisa inani le-samente. ; Ngexesha lenkqubo yokwakha, yonke i-1500kg yamanzi kunye ne-1000kg yesamente ixutywa kudaka. I-liquid yokunyanga isetyenziswe kwinqanaba lokudibanisa udonga kunye nesinyathelo sokuphakamisa ibhokisi lokusika.
2. Amanqaku aphambili olawulo lobugcisa
(1) Ngaphambi kokwakhiwa, bala ngokuchanekileyo ulungelelwaniso lweendawo zembombo zomgca osembindini womkhusane wokumisa amanzi ngokusekwe kwimizobo yoyilo kunye neendawo zokubhekisa ezilungiselelwe ngumnini, kwaye uphonononge idatha yolungelelwaniso; sebenzisa izixhobo zokulinganisa ukumisa, kwaye kwangaxeshanye ulungise ukhuseleko lwemfumba kwaye wazise iiyunithi ezifanelekileyo Yenza uphononongo lweingcingo.
(2) Ngaphambi kokwakhiwa, sebenzisa umgangatho ukulinganisa ukuphakama kwesiza, kwaye usebenzise i-excavator ukulinganisa isiza; i-geology embi kunye nemiqobo engaphantsi komhlaba echaphazela umgangatho wodonga olwenziwe yindlela yokwakha ye-TRD kufuneka kujongwane nayo kwangaphambili ngaphambi kokuba kuqhutywe indlela yokwakhiwa kwe-TRD yokwakhiwa komkhusane wokumisa amanzi; ngexesha elifanayo, amanyathelo afanelekileyo kufuneka athathwe Ukwandisa umxholo wesamente.
(3) Iindawo ezithambileyo nezisezantsi kufuneka zigcwaliswe ngasemva ngomhlaba ocacileyo kwangexesha kwaye umaleko ugatyanisiwe ngokomaleko nge-excavator. Ngaphambi kokwakhiwa, ngokobunzima bezixhobo zendlela yokwakha ye-TRD, amanyathelo okuqiniswa okufana nokubeka amacwecwe ensimbi kufuneka aqhutywe kwindawo yokwakha. Ukubekwa kwamacwecwe ensimbi akufanele kube ngaphantsi kwe-2 Iingqimba zibekwe ngokuhambelanayo kunye ne-perpendicular ukuya kwisikhokelo somsele ngokulandelelana ukuqinisekisa ukuba indawo yokwakha ihlangabezana neemfuno zokuthwala umthamo wesiseko sesixhobo somatshini; ukuqinisekisa ukunyaniseka komqhubi wemfumba kunye nebhokisi yokusika.
(4) Ukwakhiwa kweendonga zesamente-zomhlaba ezixutywayo ezinobungqingqwa obulinganayo zisebenzisa iindlela ezintathu zokwakha udonga (oko kukuthi, ukugrumba kuqala, ukugrunjwa kokuhlehla, kunye nokudibanisa udonga). Umhlaba wesiseko uxutywe ngokupheleleyo, uxutywe ukuba ukhulule, uze uqiniswe kwaye udibanise eludongeni.
(5) Ngexesha lokwakha, i-chassis yomqhubi we-TRD yemfumba kufuneka igcinwe ngokuthe tye kunye nentonga yesikhokelo ime nkqo. Ngaphambi kokwakhiwa, isixhobo sokulinganisa kufuneka sisetyenziswe ukwenza uvavanyo lwe-axis ukuqinisekisa ukuba umqhubi we-TRD wemfumba ubekwe ngokuchanekileyo kwaye ukutenxa ngokuthe nkqo kwesakhelo sesikhokelo sekholamu yomqhubi kufuneka kuqinisekiswe. Ngaphantsi kwe-1/300.
(6) Lungiselela inani leebhokisi zokusika ngokobunzulu obuyilwe bodonga lwesamente-yomhlaba wokuxuba ubuninzi obulinganayo, kwaye ugrumbe iibhokisi zokusika kumacandelo ukuze uziqhubele kubunzulu obuyiliweyo.
7 ngelixa uqinisekisa ukuchaneka okuthe nkqo, lawula ubungakanani benaliti yolwelo lokumba ukuya kubuncinci ukwenzela ukuba udaka oluxubileyo lukwimeko yoxinzelelo oluphezulu kunye ne-viscosity ephezulu. ukuze umelane notshintsho olumandla lwestratigraphic.
(8) Ngexesha lenkqubo yokwakha, ukuchaneka kodonga kunokulawulwa nge-inclinometer efakwe ngaphakathi kwebhokisi lokusika. Ukuthe tye eludongeni akufuneki kube ngaphezulu kwe-1/300.
(9) Emva kofakelo lwe-inclinometer, qhubela phambili nokwakhiwa kodonga lwesamente-yomhlaba oxutywe nobukhulu obulinganayo. Udonga olwakhiwe kwangolo suku kufuneka ludibanise udonga olubunjiweyo ngokungekho ngaphantsi kwe-30cm ~ 50cm; inxalenye edibeneyo kufuneka iqinisekise ukuba ibhokisi lokusika lithe nkqo kwaye alithambeki. Gxuma kancinane ngexesha lokwakha ukuze udibanise ngokupheleleyo kwaye uvuthulule ulwelo lokunyanga kunye nodaka oluxubileyo ukuqinisekisa ukugqithelana. umgangatho. Umzobo weskim wolwakhiwo oluthe kratya ngolu hlobo lulandelayo:
(11) Emva kokuba ukwakhiwa kwecandelo lobuso obusebenzayo kugqityiwe, ibhokisi yokusika ikhutshwe kwaye iboliswe. Umsingathi we-TRD usetyenziswa ngokubambisana ne-crawler crane ukukhupha ibhokisi lokusika ngokulandelelana. Ixesha kufuneka lilawulwe kwiiyure ezi-4. Ngexesha elifanayo, umthamo olinganayo wodaka oludibeneyo ujojowe phantsi kwebhokisi lokusika.
(12) Xa ukhupha ibhokisi yokusika, uxinzelelo olubi akufanele luveliswe emngxunyeni ukuze kubangele ukuhlaliswa kwesiseko esijikelezileyo. Ukuhamba komsebenzi wepompo ye-grouting kufuneka kulungiswe ngokwesantya sokukhupha ibhokisi yokusika.
(13) Ukomeleza ugcino lwezixhobo. Ishifti nganye iya kugxila ekujongeni inkqubo yamandla, ikhonkco, kunye nezixhobo zokusika. Kwangaxeshanye, iseti yejeneretha yogcino iya kumiselwa. Xa unikezelo lwamandla ombane lungaqhelekanga, unikezelo lwepulp, uxinzelelo lomoya, kunye nemisebenzi yokuxuba eqhelekileyo inokuqaliswa kwakhona ngexesha elifanelekileyo xa umbane uphelile. , ukuphepha ukulibaziseka okubangela iingozi zokomba.
(14) Ukuqinisa ukubekwa esweni kwenkqubo yokwakha ye-TRD kunye nokuhlolwa komgangatho weendonga ezenziweyo. Ukuba iingxaki ezisemgangathweni zifunyenwe, kufuneka uqhagamshelane ngokukhawuleza nomnini, umphathi kunye neyunithi yoyilo ukuze kuthathwe amanyathelo okulungisa ngexesha elifanelekileyo ukuphepha ilahleko engeyomfuneko.
6. Isiphelo
Itotali yeendonga ezisikweri zale projekthi zobunzima obulinganayo bomhlaba oxutywayo wesamente kunye neendonga ezixutywayo zimalunga nama-650,000 square metres. Ngoku yiprojekthi enokwakhiwa kwe-TRD enkulu kunye nomthamo woyilo phakathi kweeprojekthi zetonela kaloliwe enesantya esiphezulu. Iyonke 32 izixhobo TRD ziye zatyalwa, apho Shanggong Machinery kaThixo TRD iimveliso series akhawunti 50%. ; Ukusetyenziswa okukhulu kwendlela yokwakha ye-TRD kule projekthi kubonisa ukuba xa indlela yokwakhiwa kwe-TRD isetyenziswe njengekhethini lokumisa amanzi kwiprojekthi ye-tunnel ye-high-speed-speed, ukuphakama kwodonga kunye nomgangatho wodonga olugqityiweyo. iqinisekisiwe, kunye nomthamo wezixhobo kunye nokusebenza kakuhle kunokuhlangabezana neemfuno. Ikwangqina ukuba indlela yokwakha ye-TRD iyasebenza kwi Ukusetyenziswa kwingingqi esemantla kunentsingiselo ethile yereferensi yendlela yokwakha ye-TRD kwi-high-speed rail tonnel engineering kunye nolwakhiwo kummandla osemantla.
Ixesha lokuposa: Oct-12-2023