Ukuhwebelana kocwaningo | I-DMP-I yedijithali ye-micro-perturbation ye-four-eksisi exuba inqwaba yocwaningo lobuchwepheshe nokuthuthukiswa kanye nokusetshenziswa

Isifinyezo

Uma kubhekwa izinkinga ezikhona kubuchwepheshe obujwayelekile benqwaba yokuhlanganisa usimende nenhlabathi, njengokusatshalaliswa okungalingani kwamandla omzimba wenqwaba, ukuphazamiseka okukhulu kwezokwakha, kanye nomthelela omkhulu eqophelweni eliphezulu ngenxa yezinto zabantu, ubuchwepheshe obusha be-DMP digital micro-perturbation four- inqwaba yokuxuba i-eksisi yathuthukiswa. Kulobu buchwepheshe, izingcezu ezine zokubhoboza zingafafaza udaka negesi ngesikhathi esisodwa futhi zisebenze ngezendlalelo eziningi zama-variable-angle cutting blades ukusika inhlabathi ngesikhathi senqubo yokubunjwa kwenqwaba. Ilekelelwa inqubo yokufafaza yokuguqula ukuguqula phezulu, ixazulule inkinga yokusabalalisa amandla angalingani enqwaba yomzimba, futhi Inganciphisa ngempumelelo ukusetshenziswa kukasimende. Ngosizo lwegebe elakhiwe phakathi kombhobho wokubhoboza owenziwe ngokukhethekile kanye nomhlabathi, i-slurry ikhishwa ngokuzenzakalelayo, efinyelela ukuphazamiseka okuncane kwenhlabathi ezungeze inqwaba ngesikhathi senqubo yokwakha. Isistimu yokulawula idijithali ibona ukwakhiwa okuzenzakalelayo kokubunjwa kwenqwaba, futhi ingaqapha, irekhode futhi inikeze isexwayiso sangaphambi kwesikhathi senqubo yokubunjwa kwenqwaba ngesikhathi sangempela.

Isingeniso

Izinqwaba zokuxuba inhlabathi ye-cement zisetshenziswa kabanzi emkhakheni wokwakha ubunjiniyela: njengokuqiniswa kwenhlabathi namakhethini angenawo amanzi kumaphrojekthi womgodi wesisekelo; ukuqiniswa kwemigodi emihubheni yesihlangu kanye nemithombo yokugenca amapayipi; ukwelashwa kwesisekelo kwezingqimba zomhlabathi ezibuthakathaka; anti-seepage kumaphrojekthi okonga amanzi ezindongeni kanye nezithiyo ezindaweni zokulahla imfucumfucu nokunye. Njengamanje, njengoba isikali samaphrojekthi siba sikhulu futhi sikhulu, izidingo zokusebenza kahle zokwakha kanye nokuvikelwa kwemvelo kwezinqwaba zokuxuba usimende nomhlabathi ziye zaba phezulu kakhulu. Ukwengeza, ukuze kuhlangatshezwane nezidingo ezikhulayo zokuvikela imvelo ezizungeze ukwakhiwa kwephrojekthi, ikhwalithi yokwakhiwa kwezinqwaba zokuxuba usimende nenhlabathi kufanele ilawulwe. Futhi ukunciphisa umthelela wokwakha endaweni ezungezile sekuyisidingo esiphuthumayo.

Ukwakhiwa kwezinqwaba zokuxuba ngokuyinhloko kusebenzisa i-drill bit yokuxuba ukuze kuhlanganiswe usimende nenhlabathi e-situ ukuze kwakhiwe inqwaba enamandla athile kanye nokusebenza kwe-anti-seepage. Izinqwaba zikasimende nezixube zomhlabathi ezisetshenziswa kakhulu zihlanganisa i-single-eksisi, i-double-eksisi, i-three-eksisi kanye ne-five-axis usimende kanye nezinqwaba zokuxuba inhlabathi. Lezi zinhlobo zokuxuba izinqwaba nazo zinezinqubo ezihlukene zokufafaza nokuxuba.

Inqwaba yokuxuba i-axis eyodwa inepayipi elilodwa kuphela lokubhoboza, phansi kuyafafazwa, futhi ukuxuba kwenziwa ngenani elincane lama-blades. Lokhu kunqunyelwe inani lamapayipi okubhoboza kanye nama-blade okuxuba, futhi ukusebenza kahle komsebenzi kuncane kakhulu;

Inqwaba yokuxuba i-biaxial iqukethe amapayipi okubhoboza ama-2, anepayipi eli-slurry elihlukile phakathi lokugxusha. Amapayipi okubhoboza amabili awanawo umsebenzi wokubhoboza ngenxa yokuthi izinsimbi zokubhoboza nhlangothi zombili zidinga ukunyakaziswa ngokuphindaphindiwe ukwenza udaka lufuthwe lusuka epayipini le-slurry eliphakathi nendawo ebangeni lendiza. Ukusabalalisa kufana, ngakho-ke inqubo "yezifutho ezimbili kanye nezinyakazi ezintathu" iyadingeka ngesikhathi sokwakhiwa kwe-shaft ephindwe kabili, evimbela ukusebenza kahle kokwakhiwa kwe-double shaft, futhi ukufana kokubunjwa kwenqwaba nakho kumpofu kakhulu. Ukujula okukhulu kokwakhiwa kungamamitha ayi-18 [1];

Inqwaba yokuxuba ama-eksisi amathathu iqukethe amapayipi okubhoboza amathathu, ane-grout efuthwe nhlangothi zombili kanye nomoya ocindezelwe ofafazwe phakathi. Lolu hlelo luzokwenza ukuthi amandla enqwaba ephakathi abe mancane kunalawo ezinhlangothi ezimbili, futhi umzimba wenqwaba uzoba nezixhumanisi ezibuthakathaka endizeni; ngaphezu kwalokho, inqwaba yokuxuba ama-axis amathathu I-samente yamanzi esetshenzisiwe inkulu kakhulu, okunciphisa amandla omzimba wenqwaba ngezinga elithile;

Inqwaba yokuxuba i-axis emihlanu isekelwe ku-axis emibili kanye ne-axis emithathu, yengeza inani lezintambo zokubhoboza ukuze kuthuthukiswe ukusebenza kahle komsebenzi, nokuthuthukisa izinga lomzimba wenqwaba ngokwandisa inani lama-blades okuxuba [2-3] . Inqubo yokufafaza nokuxuba ihlukile kwezimbili zokuqala. Awukho umehluko.

Ukuphazamiseka enhlabathini ezungezile ngesikhathi sokwakhiwa kwezinqwaba zokuxuba usimende-zenhlabathi kubangelwa ikakhulukazi ukucindezelwa nokuqhekeka kwenhlabathi okubangelwa ukunyakaziswa kwama-blades okuxuba, nokungena nokuhlukaniswa kwe-slurry ye-cement [4-5]. Ngenxa yokuphazamiseka okukhulu okubangelwa ukwakhiwa kwezinqwaba ezivamile zokuxutshwa, lapho kwakhiwa ezindaweni ezibucayi njengezakhiwo zikamasipala eziseduze nezakhiwo ezivikelwe, ngokuvamile kudingekile ukusebenzisa i-jet grouting ebiza kakhulu yonke eyindilinga ephezulu (indlela ye-MJS) noma eyodwa. -i-axis mixing piles (indlela ye-IMS) nezinye izakhiwo ezincane. Izindlela zokwakha eziphazamisayo.

Ukwengeza, ngesikhathi sokwakhiwa kwezinqwaba ezivamile zokuxuba, imingcele yokwakha ebalulekile njengokucwila nokuphakamisa isivinini sepayipi lokubhoboza kanye nenani le-shotcrete lihlobene eduze nolwazi lwabaqhubi. Lokhu futhi kwenza kube nzima ukulandelela inqubo yokwakhiwa kwezinqwaba zokuxuba futhi kubangele umehluko wekhwalithi yezinqwaba.

Ukuze kuxazululwe izinkinga zezinqwaba ezivamile zokuhlanganisa usimende-zenhlabathi njengokusatshalaliswa kwamandla enqwaba engalingani, ukuphazamiseka okukhulu kwezokwakha, kanye nezici eziningi zokugxambukela komuntu, umphakathi wobunjiniyela baseShanghai usungule ubuchwepheshe obusha be-digital micro-perturbation bokuxuba ama-axis amane. Lesi sihloko sizokwethula ngokuningiliziwe izici kanye nemiphumela yesicelo sobunjiniyela ye-four-axis mixing pile technology ku-shotcrete mixing technology, ukulawulwa kokuphazamiseka kokwakhiwa kanye nokwakhiwa okuzenzakalelayo.

1, i-DMP digital micro-perturbation imishini yenqwaba yokuxuba i-axis emine

Imishini yokushayela yenqwaba ye-DMP-I yedijithali ye-DMP-I ye-four-axis exube inqwaba ikakhulukazi iqukethe uhlelo lokuxutshwa, uhlelo lohlaka lwenqwaba, uhlelo lokuhlinzeka ngegesi, i-automatic pulping kanye ne-pulp supply system, kanye nohlelo lokulawula lwedijithali lokubona ukwakhiwa kwenqwaba okuzenzakalelayo. .

2, Ukuxuba kanye nenqubo yokufafaza

Amapayipi amane okubhoboza afakwe amapayipi e-shotcrete namapayipi ejethi ngaphakathi. Njengoba kubonisiwe kuMfanekiso 2, inhloko yokubhoboza ingafafaza udaka nomoya ocindezelwe ngesikhathi esifanayo ngesikhathi sokwenza inqwaba, igweme izinkinga ezibangelwa ukufafazwa kwamanye amapayipi okubhoboza kanye nokufuthwa kwamanye amapayipi okubhoboza. Inkinga yokusatshalaliswa okungalingani kwamandla enqwaba endizeni; ngoba ipayipi ngalinye lokubhoboza linokungenelela komoya ocindezelweyo, ukumelana nokuxuba kungancishiswa ngokugcwele, okuwusizo ekwakhiweni kwezingqimba zenhlabathi eqinile kanye nenhlabathi enesihlabathi, futhi kungenza usimende nomhlabathi uhlanganise. Ngaphezu kwalokho, umoya ocindezelweyo ungasheshisa inqubo ye-carbonation kasimende nomhlabathi futhi uthuthukise amandla okuqala kasimende nomhlabathi enqwabeni yokuxuba.

Izingcezu zokubhola ezixutshwayo ze-DMP-I digital micro-perturbation umshayeli wenqwaba yokuxuba i-axis amane afakwe izendlalelo ezingu-7 zama-variable-angle mixing blades. Inombolo yokuxutshwa kwenhlabathi enephuzu elilodwa ingafinyelela izikhathi ezingama-50, idlula kude izikhathi ezingama-20 ezituswe ngokucaciswa; i-drill drill bit Ifakwe ama-blades ahlukene angazungezi nepayipi yokubhoboza ngesikhathi senqubo yokubunjwa kwenqwaba, engavimbela ngokuphumelelayo ukwakheka kwamabhola odaka lobumba. Lokhu akukwazi nje ukwandisa inani lezikhathi zokuxuba inhlabathi, kodwa futhi kuvimbele ukwakheka kwamagaqa amakhulu enhlabathi ngesikhathi sokuxuba, ngaleyo ndlela kuqinisekiswe ukufana kwe-slurry emhlabathini.

I-DMP-I digital micro-perturbation micro-perturbation inqwaba yokuxuba i-four-axis isebenzisa ubuchwepheshe be-shotcrete yokuguqula phezulu-phansi njengoba kukhonjisiwe kuMfanekiso 3. Kunezigaba ezimbili zamachweba we-shotcrete ekhanda lokubhoboza okuxutshwayo. Uma licwila, imbobo ye-shotcrete engezansi iyavulwa. I-slurry efuthiwe ixubene ngokugcwele nomhlabathi ngaphansi kwesenzo se-blade yokuxuba ephezulu. Uma iphakanyiswa, imbobo ye-shotcrete ephansi ivaliwe futhi ngesikhathi esifanayo Vula imbobo ye-gunite engaphezulu ukuze i-slurry ekhishwe echwebeni elingaphezulu le-gunite ingahlanganiswa ngokugcwele nenhlabathi ngaphansi kwesenzo sama-blade aphansi. Ngale ndlela, udaka nomhlabathi kungashukunyiswa ngokugcwele phakathi nayo yonke inqubo yokucwila nokunyakazisa, okuthuthukisa ngokwengeziwe ukufana kukasimende nenhlabathi ngaphakathi kobubanzi obujulile bomzimba wenqwaba, futhi kuxazulule ngempumelelo inkinga ye-double-eksisi kanye nezintathu. -i-axis yokuxuba ubuchwepheshe benqwaba kunqubo yokuphakamisa ipayipi lokubhoboza. Inkinga ukuthi i-slurry efuthwe kusukela embotsheni yomjovo ephansi ayikwazi ukunyakaziswa ngokugcwele ama-blades anyakazayo.

3, Ukulawulwa kokwakhiwa kokuphazamiseka okuncane

Ingxenye ephambanayo yepayipi lokubhoboza le-DMP-I digital micro-perturbation umshayeli wenqwaba yokuxuba i-axis iwumumo omise okweqanda okukhethekile. Lapho ipayipi lokubhoboza lizungeza, licwila noma liphakamisa, kuzokwenziwa ukukhishwa kwe-slurry kanye ne-exhaust channel eduze kwepayipi lokubhoboza. Lapho inyakaza, Lapho ukucindezela kwangaphakathi kwenhlabathi kudlula ukucindezeleka kwe-in-situ, udaka luzokhishwa ngokwemvelo eduze kwesiteshi sokukhipha udaka eduze kwepayipi lokubhoboza, ngaleyo ndlela kugwenywe ukuminyanisa kwenhlabathi okubangelwa ukunqwabelana komfutho wegesi enodaka eduze nepayipi lokubhoboza. ukuxuba i-drill bit.

I-DMP-I digital micro-perturbation micro-perturbation umshayeli wenqwaba ye-four-axis ifakwe uhlelo lokuqapha ingcindezi engaphansi ku-drill bit, eqapha izinguquko kungcindezi engaphansi komhlaba ngesikhathi sangempela phakathi nayo yonke inqubo yokwakheka kwenqwaba, futhi iqinisekise ukuthi ingcindezi engaphansi komhlaba kulawulwa ngaphakathi kwebanga elifanele ngokulungisa ingcindezi yegesi enodaka. Ngesikhathi esifanayo, ama-blades amisiwe amisiwe angavimbela ngokuphumelelayo ubumba ekubambeni ipayipi lokubhoboza kanye nokwakhiwa kwamabhola odaka, futhi futhi kunciphise ngempumelelo ukumelana nokuxubana nokuphazamiseka kwenhlabathi.

4, Ukulawula ukwakhiwa okuhlakaniphile

I-DMP-I digital micro-perturbation imishini yokushayela inqwaba ye-four-axis ifakwe isistimu yokulawula idijithali, ekwazi ukubona ukwakhiwa kwenqwaba okuzenzakalelayo, imingcele yenqubo yokwakha irekhodi ngesikhathi sangempela, futhi iqaphe futhi inikeze isexwayiso kusenesikhathi phakathi nenqubo yokubunjwa kwenqwaba.

Uhlelo lokulawula idijithali lungaqedela ngokuzenzakalelayo ukwakhiwa kwezinqwaba zokuxuba ngokusekelwe kumingcele yokwakha enqunywe yinqwaba yesilingo. Ingakwazi ukulawula ngokuzenzakalelayo ukucwila nokuphakanyiswa kwesistimu yokuxuba, ukufanisa ukugeleza kwe-slurry kanye nesivinini sokwakheka kwenqwaba ezingxenyeni ngokusho kokusabalalisa kwesendlalelo senhlabathi eqondile, ukulungisa ukucindezela kwejethi ngokwenani elimisiwe lokucindezela komhlaba, nokulawula izinqubo zokwakha. njengokuguqulwa kwaphezulu naphansi kwe-spray grouting. Lokhu kunciphisa kakhulu umthelela wezici zomuntu kwikhwalithi yokwakhiwa kwenqwaba yokuxuba ngesikhathi sokwakhiwa, futhi kuthuthukisa ukuthembeka nokuvumelana kwekhwalithi yenqwaba yokuxuba.

Ngosizo lwezinzwa ezinembile ezifakwe kumishini, isistimu yokulawula idijithali ingakwazi ukuqapha imingcele yokwakha ebalulekile njengesivinini sokuxuba, ivolumu yokufafaza, ingcindezi ye-slurry nokugeleza, nokucindezela ngaphansi komhlaba, futhi inganikeza isixwayiso sangaphambi kwesikhathi sezimo ezingavamile zokwakha, ukwandisa ukuphepha. yenqubo yokwakha inqwaba yokuxuba. Ukungafihli kanye nesikhathi sokuxazulula izinkinga. Ngesikhathi esifanayo, isistimu yokulawula idijithali ingarekhoda imingcele yayo yonke inqubo yokwakha futhi ilayishe imingcele yokwakha erekhodiwe endaweni yesikhulumi samafu ngesikhathi sangempela ngokusebenzisa imojula yenethiwekhi ukuze ibukwe kalula futhi ihlolwe, iqinisekise ubuqiniso nokuphepha kwedatha eyenziwe. phakathi nenqubo yokwakha.

5, Ubuchwepheshe bokwakha kanye nemingcele

Inqubo yokwakha inqwaba ye-DMP digital micro-disturbance micro-axis four mixing ihlanganisa ukulungiselela ukwakhiwa, ukwakhiwa kwenqwaba yezivivinyo kanye nokwakhiwa kwenqwaba okusemthethweni. Ngokusho kwemingcele yokwakha etholwe ekwakhiweni kwenqwaba yesilingo, uhlelo lokulawula ukwakhiwa kwedijithali lubona ukwakhiwa okuzenzakalelayo kwenqwaba. Kuhlanganiswe nolwazi lwangempela lobunjiniyela, imingcele yokwakha eboniswe kuThebula 1 ingakhethwa. Ngokungafani nezinqwaba zokuxuba ezivamile, isilinganiso samanzi-kuya-kusimende esisetshenziselwa inqwaba yokuxuba ama-axis amane ihlukile lapho icwila futhi iphakamisa. Isilinganiso samanzi-kuya-kusimende esisetshenziselwa ukucwila singu-1.0~1.5, kuyilapho isilinganiso samanzi-kuya-kusimende sokuphakanyiswa singu-0.8~1.0. Lapho ucwilisa futhi uvuselela, i-samente slurry inesilinganiso esikhulu samanzi-samente, futhi i-slurry inomphumela owanele wokuthambisa emhlabathini, onganciphisa ngempumelelo ukumelana okuphazamisayo; lapho uphakamisa, njengoba inhlabathi engaphakathi kwenqwaba yomzimba iye yaxutshwa, isilinganiso esincane samanzi-samente singase ngokuphumelelayo Ukwandisa amandla omzimba wenqwaba.

Ngokusebenzisa inqubo eshiwo ngenhla yokuhlanganisa i-shotcrete, inqwaba yokuxuba ama-eksisi amane ingafinyelela umphumela ofanayo nenqubo evamile enosimende okuqukethwe kuka-13% kuya ku-18%, ihlangabezane nezidingo zobunjiniyela zamandla kanye nokungakwazi ukumanzisa kwezinqwaba zokuxuba usimende. , futhi ngesikhathi esifanayo ukuletha izinguquko ngenxa kasimende Inzuzo yokunciphisa umthamo ukuthi inhlabathi eshintshwayo ngesikhathi sokwakha nayo iyancipha ngokufanele. I-inclinometer efakwe kwipayipi yokubhoboza ixazulula inkinga yokulawula okunzima kokuma ngesikhathi sokwakhiwa kwezinqwaba ezivamile zokuhlanganisa usimende-inhlabathi. Ukuphakama okulinganiselwe kwenqwaba yenqwaba yokuxuba ama-eksisi amane kungafinyelela ku-1/300.

6, Izicelo Zobunjiniyela

Ukuze kuqhutshekwe nokufunda amandla omzimba wenqwaba we-DMP digital micro-perturbation inqwaba yokuxuba ama-eksisi amane kanye nomthelela wenqubo yokwakhiwa kwenqwaba emhlabathini ozungezile, ukuhlolwa kwensimu kwenziwa ezimweni ze-stratigraphic ezihlukene. Amandla osimende namasampula engqikithi yomhlabathi alinganiswa ngezinsuku ezingama-21 nezingama-28 amasampula enqwaba yenqwaba eqoqiwe afinyelela ku-0.8 MPa, ehlangabezana nezidingo zikasimende namandla enhlabathi kubunjiniyela obuvamile obungaphansi komhlaba.

Uma kuqhathaniswa nezinqwaba zokuxubana ezivamile zikasimende, i-jet grouting evame ukusetshenziswa yonke eyindilinga ephezulu (indlela ye-MJS) kanye nezinqwaba zokuxuba iziphazamiso ezincane (indlela ye-IMS) kunganciphisa kakhulu ukugudluzwa okuvundlile kwenhlabathi ezungezile kanye nokuhlaliswa kwendawo okubangelwa ukwakhiwa kwenqwaba. . . Emsebenzini wobunjiniyela, lezi zindlela ezimbili ezingenhla zibonwa njengamasu okwakha ukuphazamiseka okuncane futhi zivame ukusetshenziswa kumaphrojekthi wobunjiniyela anezidingo eziphezulu zokuvikela imvelo ezungezile.

Ithebula lesi-2 liqhathanisa idatha yokuqapha yenhlabathi ezungezile kanye nokuguqulwa komhlaba okubangelwa inqwaba ye-DMP digital micro-perturbation four-axis mixing, indlela yokwakha ye-MJS kanye nendlela yokwakha ye-IMS phakathi nenqubo yokwakha. Ngesikhathi sokwakhiwa kwenqwaba ye-micro-perturbation ye-four-axis mixing pile, ebangeni elingamamitha angu-2 ukusuka emzimbeni wenqwaba Ukufuduka okuvundlile kanye nokuphakanyiswa kwenhlabathi okuqondile kungalawulwa cishe ku-5 mm, okulingana nendlela yokwakha ye-MJS. kanye nendlela yokwakha ye-IMS, futhi ingafinyelela ukuphazamiseka okuncane emhlabathini ozungeze inqwaba ngesikhathi senqubo yokwakhiwa kwenqwaba.

Njengamanje, inqwaba ye-DMP digital micro-disturbance micro-disturbance-four-axis isetshenziswe ngempumelelo ezinhlotsheni ezahlukene zamaphrojekthi afana nokuqinisa isisekelo kanye nobunjiniyela bomgodi wesisekelo eJiangsu, Zhejiang, Shanghai nakwezinye izindawo. Ukuhlanganisa ucwaningo nokuthuthukiswa kanye nokusetshenziswa kobunjiniyela kobuchwepheshe benqwaba yokuxuba ama-eksisi amane, kwahlanganiswa "Izinga Lobuchwepheshe Lenqwaba Yokuxubanisa I-Micro-axis Four-axis" (T/SSCE 0002-2022) (I-Shanghai Civil Engineering Society Group Standard) eyahlanganiswa. kuhlanganisa amathuluzi, idizayini, ukwakhiwa kanye nokuhlola, njll. Izidingo ezithile zibekwe phambili ukuze kumiswe ukusetshenziswa kobuchwepheshe benqwaba ye-DMP digital micro-perturbation ye-four-axis mixing pile.

Isikhathi sokuthumela: Sep-22-2023