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Research exchange | DMP-I dhijitari micro-perturbation ina-axis inosanganisa murwi tekinoroji yekutsvaga nekusimudzira uye kushandisa

Summary

Tichifunga nezvematambudziko aripo mune yakajairwa simende-ivhu rekusanganisa murwi tekinoroji, senge kugovaniswa kwesimba remurwi wemurwi, kukanganisa kukuru kwekuvaka, uye kukanganisa kukuru pamhando yemurwi nezvinhu zvevanhu, tekinoroji nyowani yeDMP yedhijitari micro-perturbation ina- axis mixing pile yakagadzirwa. Mune tekinoroji iyi, zviboore zvina zvinogona kupfapfaidza slurry negasi panguva imwe chete uye kushanda nemateru akawanda ekuchinja-makona ekucheka mablades kucheka ivhu panguva yekuumba mirwi. Inowedzerwa neiyo up-down conversion spraying process, inogadzirisa dambudziko rekusaenzana kwesimba kugovera kwemuviri wemurwi, uye Inogona kunyatso kudzikisa simende kushandiswa. Nekubatsirwa kwegomba rakagadzirwa pakati pepombi yakasarudzika-yakaita drill uye ivhu, slurry inoburitswa yakazvimirira, iyo inowana kukanganiswa kudiki kwevhu rakatenderedza murwi panguva yekuvaka. Iyo dhijitari yekudzora sisitimu inoziva iyo otomatiki yekuvaka yekuumbwa kwemurwi, uye inogona kutarisa, kurekodha uye nekupa yambiro yekutanga yemaitiro ekuumba mirwi munguva chaiyo.

Nhanganyaya

Cement-ivhu kusanganisa mirwi inoshandiswa zvakanyanya mumunda wekuvaka engineering: sekusimbisa ivhu uye machira ekudzivirira mvura mumapurojekiti egomba rekutanga; kusimbiswa kwegomba munhovo tunnels uye pombi jacking matsime; kurapa kwenheyo yezvikamu zvisina simba zvevhu; anti-seepage mumapurojekiti ekuchengetedza mvura madziro pamwe nezvipingamupinyi mumarara emarara nezvimwe. Parizvino, sezvo huwandu hwemapurojekiti huchikura uye hukuru, zvinodikanwa zvekubudirira kwekuvaka uye kuchengetedzwa kwezvakatipoteredza kwemasimende-ivhu kusanganisa mirwi zvave zvichikwira nekukwira. Pamusoro pezvo, kuti zvizadzise zvinoramba zvichinetsa kuchengetedzwa kwezvakatipoteredza zvakatenderedza kuvakwa kweprojekiti, kunaka kwekuvaka kwe simende-ivhu kusanganisa mirwi inofanirwa kudzorwa. Uye kuderedza kukanganiswa kwekuvaka pamhoteredzo yakapoteredza kwave kuri kudiwa kwekukurumidzira.

Kuvakwa kwekuvhenganisa mirwi kunonyanya kushandisa kusanganisa drill bit kusanganisa simende uye ivhu mu situ kuita murwi une rimwe simba uye anti-seepage performance. Inowanzo shandiswa simende uye mirwi yekusanganisa ivhu inosanganisira imwechete-axis, kaviri-axis, matatu-axis uye mashanu-axis simende uye ivhu kusanganisa mirwi. Aya marudzi ekusanganisa mirwi anewo nzira dzakasiyana dzekupfapfaidza nekusanganisa.

Iyo imwe-axis yekusanganisa murwi ine imwe chete yekuchera pombi, pasi inopfapfaidzwa, uye kusanganiswa kunoitwa kuburikidza nenhamba shoma yemashizha. Izvi zvinogumira nehuwandu hwemapombi ekuchera uye kusanganisa mashizha, uye kushanda kwekushanda kwakaderera;

Murwi wekusanganisa webiaxial unosanganisira mapaipi maviri ekubooresa, ane pombi yakaparadzana iri pakati pekuchera. Mapombi maviri ekuboorera haana basa rekuchera nekuti mabhiti epamativi ese ari maviri anoda kudzokororwa kakawanda kuita kuti slurry isayerwe kubva pakati pepombi ine slurry mukati mendege. Kugovera kwakafanana, saka "mapiritsi maviri uye matatu anomutsa" maitiro anodiwa panguva yekuvakwa kwekaviri shaft, iyo inodzivirira kugona kwekuvaka kweiyo shaft mbiri, uye kufanana kwekuumbwa kwemurwi zvakare kwakashata. Hudzamu hwekuvaka hunosvika mamita gumi nemasere [1];

Murwi wekusanganisa matatu-axis une mapaipi matatu ekuboorera, ane grout yakapfapfaidzwa mativi ese uye mweya wakadzvanywa wakapfapfaidzwa nepakati. Urongwa uhwu huchaita kuti simba remurwi wepakati rive diki pane iro remativi maviri, uye murwi wemuviri uchava nezvisungo zvisina simba mundege; kuwedzera, iyo matatu-axis kusanganisa murwi Iyo simenti yemvura inoshandiswa yakakura, iyo inoderedza simba remurwi wemuviri kune imwe nhanho;

Iyo shanu-axis yekusanganisa murwi inobva pane maviri-axis uye matatu-axis, kuwedzera nhamba yekuvhenganisa drill tsvimbo kuti ivandudze kushanda zvakanaka, nekuvandudza kunaka kwemuviri wemurwi nekuwedzera kuwanda kwekusanganisa mablades [2-3] . Nzira yekupfapfaidza nekusanganisa yakasiyana neyekutanga mbiri. Hapana musiyano.

Kuvhiringidzika kune ivhu rakapoteredza panguva yekuvakwa kwemasimende-kusanganiswa kwevhu kunokonzera mirwi inonyanya kukonzerwa nekusvina uye kuputika kwevhu kunokonzerwa nekuputika kwemashizha ekusanganiswa, uye kupinda uye kupatsanurwa kwesamende slurry [4-5]. Nekuda kwekuvhiringidza kukuru kunokonzerwa nekuvakwa kweakajairwa kusanganisa mirwi, pakuvaka munzvimbo dzakasimba dzakadai sepadyo nenzvimbo dzemanisipala uye zvivakwa zvakadzivirirwa, zvinowanzodikanwa kushandisa zvinodhura zvese-kutenderera high-pressure jet grouting (MJS nzira) kana imwe chete. -axis mixing piles (IMS nzira) uye mamwe ma micro-structures. Nzira dzekuvaka dzinovhiringidza.

Mukuwedzera, panguva yekugadzirwa kwemaitiro ekusanganisa mapiru, zvakakosha kuvaka zvigadziro zvakadai sekunyura uye kusimudza kukurumidza kwepombi yekuchera uye chiyero chepfuti chakanyatsoenderana neruzivo rwevashandi. Izvi zvinoitawo kuti zviome kutsvaga nzira yekuvaka yezviputi zvekusanganiswa uye zvinoguma nekusiyana kwehutano hwemirwi.

Kuti vagadzirise matambudziko ezvakajairwa simende-ivhu rekusanganisa mirwi senge kusaenzana kwesimba rekugovera, kuvhiringika kukuru kwekuvaka, uye kupindira kwevanhu kwakawanda, nharaunda yeinjiniya yeShanghai yakagadzira dhijitari diki-perturbation ina-axis yekusanganisa murwi tekinoroji. Ichi chinyorwa chinozivisa zvakadzama maitiro uye engineering yekushandisa mhedzisiro yechina-axis yekusanganisa murwi tekinoroji mushotcrete yekusanganisa tekinoroji, kudzora kukanganisa kwekuvaka uye otomatiki kuvaka.

1, DMP dhijitari micro-perturbation ina-axis inosanganisa murwi michina

Iyo DMP-I yedhijitari micro-perturbation ina-axis inosanganisa murwi mutyairi michina inonyanya kuve neyekusanganisa system, murwi furemu system, gasi rekupa system, otomatiki pulping uye pulp supply system, uye yedhijitari yekudzora sisitimu yekuona otomatiki murwi kuvaka. .

semw

2、Kusanganisa nekupfapfaidza maitiro

Mapombi mana ekuboorera ane mashotcrete pombi uye jet pombi mukati. Sezvinoratidzwa paMufananidzo 2, musoro wekuchera unokwanisa kupfapfaidza slurry uye mweya wakatsikirirwa panguva imwe chete panguva yekugadzira mirwi, kudzivirira matambudziko anokonzerwa nekupfapfaidza mamwe mapaipi ekuchera uye kumwaya mamwe mapaipi ekuchera. Dambudziko rekuparadzirwa kusina kuenzana kwesimba remurwi mundege; nokuti pombi imwe neimwe yekubooresa ine kupindira kwemhepo yakamanikidzwa, kusanganisa kupikisa kunogona kuderedzwa zvizere, izvo zvinobatsira pakuvaka muzvikamu zvevhu zvakaoma uye ivhu rejecha, uye rinogona kuita simenti nevhu kusanganiswa. Mukuwedzera, mhepo yakamanikidzwa inogona kukurumidza kuita carbonation process ye simenti uye ivhu uye kuvandudza simba rekutanga re simenti uye ivhu mumurwi wekusanganiswa.

semw1

Iyo yekusanganisa drill bits yeDMP-I yedhijitari micro-perturbation ina-axis inosanganisa murwi mutyairi ane 7 akaturikidzana ekuchinja-makona ekusanganisa mablades. Nhamba yekusanganiswa kwevhu imwe-yepamusoro inogona kusvika ka50, inopfuura kudarika nguva makumi maviri inokurudzirwa nekutsanangurwa; iyo yekuvhenganisa drill bit Iyo yakashongedzerwa neakasiyana mablades asingatenderere nepombi yekuchera panguva yekuumbwa kwemurwi, iyo inogona kunyatso kudzivirira kuumbwa kwevhu mabhora evhu. Izvi hazvigone kungowedzera huwandu hwenguva yekusanganiswa kwevhu, asiwo kudzivirira kuumbwa kwevhu guru mavhinga panguva yekusanganiswa, nokudaro kuve nechokwadi Kufanana kweslurry muvhu.

semw2

DMP-I digital micro-perturbation four-axis mixing pile inotora up-down conversion shotcrete technology sezvinoratidzwa muFigure 3. Pane zvikamu zviviri zveshotcrete ports pamusoro wekusanganisa drill. Painonyura, chiteshi chezasi che shotcrete chinovhurwa. Iyo yakapfapfaidzwa slurry inosanganiswa zvakakwana nevhu pasi pechiito chepamusoro chekusanganisa blade. Kana ichisimudzwa, iyo yakaderera shotcrete port yakavharwa uye panguva imwechete Vhura iyo yepamusoro gunite port kuitira kuti slurry inobviswa kubva kumusoro kwegunite port inogona kusanganiswa zvakakwana nevhu pasi pechiito chemashizha ezasi. Nenzira iyi, slurry uye ivhu zvinogona kubvongodzwa zvakakwana panguva yese yekunyura uye kubvongodza, izvo zvinowedzera kuwedzera kufanana kwesimende uye ivhu mukati mehupamhi hwepakati pemuviri wemurwi, uye zvinogadzirisa dambudziko remaviri-axis uye matatu. -axis kusanganisa murwi tekinoroji mune yekuboora pombi yekusimudza maitiro. Dambudziko nderekuti slurry yakapfapfaidzwa kubva pazasi jekiseni port haigone kuzungunuswa zvizere nema blades anomutsa.

3, Micro-kukanganisa kuvaka kutonga

Muchinjikwa-chikamu chepombi yekuboorera yeDMP-I dhijitari micro-perturbation ina-axis inosanganisa murwi mutyairi ndeyeovha-yakaita yakakosha-yakaita chimiro. Apo pombi yekuchera inotenderera, inonyura kana kusimudza, slurry discharge uye exhaust channel ichaumbwa yakapoteredza pombi yekuchera. Paunenge uchibvongodza, Kana kudzvinyirirwa kwemukati kwevhu kuchipfuura in-situ kushushikana, slurry ichave yakasununguka pamwe chete ne slurry discharge channel yakapoteredza pombi yekuchera, nokudaro kudzivisa kusvinwa kwevhu kunokonzerwa nekuunganidza slurry gas pressure pedyo. kusanganisa drill bit.

Iyo DMP-I yedhijitari micro-perturbation ina-axis inosanganisa murwi mutyairi inoshongedzerwa nepasi pevhu kudzvanywa kwekutarisa system pane drill bit, iyo inotarisisa shanduko mukudzvanywa kwepasi pevhu munguva chaiyo panguva yese yekugadzira mirwi, uye inova nechokwadi chekuti pasi pevhu kudzvanywa kuri. inodzorwa mukati mechikamu chinonzwisisika nekugadzirisa slurry gasi pressure. Panguva imwecheteyo, mashizha akagadzirirwa akasiyana anogona kudzivirira ivhu kubva pakunamatira pombi yekuchera uye kuumbwa kwemabhora ematope, uyewo zvinobudirira kuderedza kusanganiswa kwekupikisa uye kukanganisa kwevhu.

4, Intelligent kuvaka kutonga

Iyo DMP-I yedhijitari micro-perturbation ina-axis inosanganisa murwi mutyairi michina ine dhijitari yekudzora sisitimu, iyo inogona kuona otomatiki murwi kuvaka, rekodha maitiro ekuvaka maparamendi munguva chaiyo, uye kutarisa uye kupa yambiro yekutanga panguva yekugadzira mirwi.

semw3

Iyo dhijitari yekudzora sisitimu inogona otomatiki kupedzisa kuvaka kwekusanganisa mirwi zvichibva pane yekuvaka paramita yakatemwa nemapikisi ekuedzwa. Iyo inogona kudzora otomatiki kunyura uye kusimudzwa kweiyo yekusanganisa system, slurry kuyerera inoenderana uye murwi wekugadzira kumhanya muzvikamu zvinoenderana nekugoverwa kweiyo yakamira ivhu dhizaini, gadzirisa iyo jet pressure inoenderana neyakaiswa kukosha kwekumanikidza kwepasi, uye kutonga maitiro ekuvaka. sekukwira nekudzika shanduko yespray grouting. Izvi zvinoderedza zvakanyanya kukanganiswa kwezvinhu zvevanhu pahutano hwekuvaka kwemurwi wekusanganiswa panguva yekuvaka, uye inovandudza kuvimbika uye kuwirirana kwehutano hwemurwi wekusanganiswa.

semw4

Nerubatsiro rwemasensa chaiwo akaiswa pamidziyo, iyo dhijitari yekudzora sisitimu inogona kutarisa akakosha ekuvaka paramita senge kusanganisa kumhanya, kupfapfaidza vhoriyamu, slurry kuyerera uye kuyerera, uye pasi pevhu kudzvanywa, uye inogona kupa yambiro yepakutanga yemamiriro ekuvaka asina kujairika, kuwedzera kuchengetedzwa. yekusanganisa mirwi yekuvaka maitiro. Kujeka uye kuenderana nenguva kwekugadzirisa dambudziko. Panguva imwecheteyo, iyo dhijitari yekudzora sisitimu inogona kurekodha maparamendi ezvese maitiro ekuvaka uye kurodha akarekodhwa ekuvaka paramita kune yegore papuratifomu munguva chaiyo kuburikidza netiweki module yekuona nyore uye kuongorora, kuve nechokwadi chechokwadi uye kuchengetedzeka kweiyo data inogadzirwa. panguva yekuvaka.

5, Tekinoroji yekuvaka uye paramita

Iyo DMP dhijitari micro-kuvhiringidza ina-axis inosanganisa murwi yekuvaka maitiro anonyanya kusanganisira kugadzirira kuvaka, kuyedza murwi kuvaka uye kuvakwa kwemurwi. Zvinoenderana nematanho ekuvaka akawanikwa kubva muyedzo murwi kuvaka, iyo dijitari yekuvaka yekudzora system inoziva iyo otomatiki kuvakwa kwemurwi. Yakasanganiswa neruzivo rweinjiniya chaiyo, iwo maparamendi ekuvaka anoratidzwa muTafura 1 anogona kusarudzwa. Yakasiyana neyakajairwa kusanganisa mirwi, chiyero chemvura-kune-simende chinoshandiswa kune ina-axis yekusanganisa murwi yakasiyana kana ichinyura nekusimudza. Chiyero chemvura-kune-simende inoshandiswa pakunyura i1.0 ~ 1.5, nepo mvura-ku-simende reshiyo yekusimudza iri 0.8~1.0. Kana ichinyura uye ichibvongodza, simenti slurry ine chiyero chikuru chemvura-samende, uye slurry ine simba rakakwana rakapfava pavhu, iro rinogona kunyatsodzikisa kupikisa kunokonzera; kana uchisimudza, sezvo ivhu riri mukati memuviri wemurwi rakasanganiswa, chikamu chiduku chemvura-samende chinogona kubudirira Kuwedzera simba remuviri wemurwi.

semw5

Uchishandisa yambotaurwa pamusoro peshotcrete yekusanganisa maitiro, iyo ina-axis yekusanganisa murwi inokwanisa kuita zvakafanana neyakajairwa maitiro ane simende yemukati ye13% kusvika 18%, ichisangana nezvinodiwa zveinjiniya zvekusimba uye kusapinda kwesemende-ivhu rekusanganisa mirwi. , uye panguva imwe chete kuunza shanduko nekuda kwesamende Kubatsira kwekuderedza kuyerwa ndeyekuti inotsiviwa ivhu panguva yekuvaka inoderedzwawo maererano. Iyo inclinometer yakaiswa pa drill pombi inogadzirisa dambudziko rekuomerwa kwekudzora verticality panguva yekuvaka kwakajairika simende-ivhu kusanganisa mirwi. Iyo yakayerwa verticality yeina-axis inosanganisa murwi muviri inogona kusvika 1/300.

6, Engineering Applications

Kuti uwedzere kudzidza simba remuviri wemurwi weDMP digitaalinen micro-perturbation ina-axis yekusanganisa murwi uye kukanganisa kwemurwi-kuumba maitiro paivhu rakapoteredzwa, kuedza kwemunda kwakaitwa mumamiriro akasiyana e stratigraphic. Simba esimende uye ivhu musimboti samples akayerwa pamusoro 21st uye 28th mazuva akaunganidzwa kusanganisa murwi musimboti samples akasvika 0.8 MPa, izvo zvinosangana zvinodiwa simende uye ivhu simba mune kwakajairika pevhu engineering.

Zvichienzaniswa neyakajairwa simende-ivhu rekusanganisa mirwi, iyo inowanzo shandiswa-yakatenderedza yakakwira-kumanikidza jet grouting (MJS nzira) uye micro-disturbance mixing piles (IMS nzira) inogona kuderedza zvakanyanya kuchinjika kwevhu rakatenderedza uye kugadzika kwepasi kunokonzerwa nekuvakwa kwemurwi. . . Mukuita engineering, nzira mbiri dziri pamusoro dzinozivikanwa se micro-disturbance kuvaka tekinoroji uye dzinowanzo shandiswa mumapurojekiti einjiniya ane zvinodiwa zvakanyanya zvekuchengetedzwa kwezvakatipoteredza.

Tafura 2 inofanidza data yekutarisa yevhu rakatenderedza uye deformation yepasi inokonzerwa neDMP digital micro-perturbation ina-axis mixing pile, MJS nzira yekuvaka uye IMS yekuvaka nzira panguva yekuvaka. Munguva yekuvaka kweiyo micro-perturbation ina-axis kusanganisa murwi, kure nemamita maviri kubva pamurwi wemuviri Kuchinjika kwakatwasuka uye kusimudzwa kwevhu kunogona kudzorwa kusvika 5 mm, iyo yakaenzana neMJS nzira yekuvaka. uye nzira yekuvaka yeIMS, uye inogona kuwana kukanganisa kudiki kune ivhu rakatenderedza murwi panguva yekugadzira mirwi.

semw6

Parizvino, DMP dhijitari micro-kuvhiringidza mana-axis kusanganisa mirwi yakabudirira kushandiswa mumhando dzakasiyana dzemapurojekiti akadai sekusimbisa hwaro uye hwaro gomba engineering muJiangsu, Zhejiang, Shanghai nedzimwe nzvimbo. Kubatanidza kutsvagisa nekusimudzira uye kushandiswa kweinjiniya kwechina-axis kusanganisa murwi tekinoroji, iyo "Technical Standard yeMicro-Disturbance Four-axis Mixing Pile" (T/SSCE 0002-2022) (Shanghai Civil Engineering Society Group Standard) yakagadzirwa, iyo zvinosanganisira midziyo, dhizaini, kuvaka uye kuyedzwa, nezvimwewo. Zvakanangana zvinodiwa zvakaiswa pamberi kuenzanisa kushandiswa kweDMP dhijitari micro-perturbation ina-axis yekusanganisa murwi tekinoroji.

semw7

Nguva yekutumira: Sep-22-2023