Kushandiswa kweTRD nzira yekuvaka mu Xiongxin High-speed Railway Project

Mumakore achangopfuura, nzira yekuvaka yeTRD yave ichishandiswa zvakanyanya muChina, uye kushandiswa kwayo munhandare dzendege, kuchengetedza mvura, njanji uye zvimwe zvirongwa zvezvivakwa zviri kuwedzera zvakare. Pano, isu tichakurukura mapoinzi akakosha eTRD yekuvaka tekinoroji tichishandisa Xiongan Tunnel muchikamu chepasi peXiongan New Area yeXiongan Xin High-speed Railway sekumashure. Uye kushanda kwayo munharaunda yekuchamhembe. Mhedzisiro yekuedza inoratidza kuti nzira yekuvaka yeTRD ine kunaka kwemadziro uye nepamusoro pekuvaka kugona, iyo inogona kuzadzisa zvizere zvinodiwa zvekuvaka. Kushandiswa kukuru kwenzira yekuvaka yeTRD muchirongwa ichi kunoratidzawo kushanda kwenzira yekuvaka yeTRD mudunhu rekuchamhembe. , ichipa mamwe mareferensi ekuvaka kweTRD mudunhu rekuchamhembe.

1. Project Overview

Xiongan-Xinjiang High-speed Railway iri pakati peNorth China, ichimhanya mumatunhu eHebei neShanxi. Inomhanya ichienda kumabvazuva-kumadokero. Mutsetse unotanga kubva kuXiongan Station muXiongan New District kumabvazuva uye unoperera paXinzhou West Station yeDaxi Railway kumadokero. Iyo inopfuura nemuXiongan Idzva Dunhu, Baoding Guta, uye Xinzhou Guta. , uye yakabatana neTaiyuan, guta guru rePurovhinzi yeShanxi, kuburikidza neDaxi Passenger Express. Hurefu hwemutsara uchangobva kuvakwa ndeye 342.661km. Iyo yakakosha yakatwasuka chiteshi cheyakakwira-kumhanya njanji yekufambisa network munzvimbo "ina dzakatwasuka uye mbiri dzakachinjika" nzvimbo dzeXiongan New Area, uye zvakare iri "Medium uye Yakareba-Nguva Yakareba Railway Network Plan" Iyo "Eight Vertical uye Eight Horizontal. "Chitima chikuru chinomhanya chikamu chakakosha cheBeijing-Kunming Corridor, uye kuvakwa kwayo kwakakosha zvikuru mukuvandudza network yemigwagwa.

Kune akawanda madhizaini edhizaini zvikamu muchirongwa ichi. Pano tinotora chikamu chebhidhiyo 1 semuenzaniso wekukurukura mashandisirwo ekuvaka kweTRD. Iyo yekuvaka chiyero cheichi chikamu chebhidhiri mukova weXiongan Tunnel itsva (Chikamu 1) iri muGaoxiaowang Village, Rongcheng County, Baoding City. Mutsara unotangira kubva Unopfuura nepakati pemusha. Mushure mekusiya musha, inodzika neBaigou kutungamirira rwizi, uye yobva yawedzera kubva kumaodzanyemba kweGuocun kumadokero. Magumo ekumadokero akabatana neXiongan Intercity Station. Iyo yekutanga uye yekupedzisira mamaira emugero ndeye Xiongbao DK119+800 ~ Xiongbao DK123+050. Mugero uri muBaoding Guta iri 3160m muRongcheng County uye 4340m muAnxin County.

2. Mhedziso yeTRD dhizaini

Muchirongwa ichi, simende-ivhu rekusanganisa madziro eukobvu hwakaenzana ane madziro akadzika 26m ~ 44m, kukora kwemadziro 800mm, uye yakazara sikweya mita vhoriyamu inosvika 650,000 square metres.

Simende-ivhu rinosanganisa madziro ehukobvu hwakaenzana inogadzirwa nePO42.5 yakajairwa Portland simende, simende irimo haisi pasi pe25%, uye mvura-simende reshiyo i1.0 ~ 1.5.

The wall verticality kutsauswa kwesement-ivhu rekusanganisa madziro ehukobvu hwakaenzana haifanire kunge yakakura kupfuura 1/300, kutsauka kwemadziro hakuzove kwakakura kupfuura +20mm~-50mm (kutsaudzira mugomba kwakanaka), kudzika kwemadziro. kutsauka hakuzove kwakakura kupfuura 50mm, uye kukora kwemadziro hakuzove kushoma pane akagadzirwa Wall ukobvu, kutsauka kunodzorwa pa 0 ~ -20mm (kudzora saizi kutsauka kwekucheka bhokisi blade).

Iko kukosha kweiyo isina kuvharirwa simba rekumanikidza resimende-ivhu rekusanganisa madziro ehukobvu hwakaenzana mushure memazuva makumi maviri nemasere ekuchera kwepakati hakusi pasi pe0.8MPa, uye madziro permeability coefficient haisi yakakura kupfuura 10-7cm / s.

Iyo yakaenzana-yakaenzana-yakaenzana simende-ivhu rekusanganisa madziro rinotora nhanho-nhatu yekuvaka madziro maitiro (kureva, kuchera kwekutanga, kucherwa kwekudzokera, uye kuumba madziro). Mushure mekunge stratum yacherwa uye yakasunungurwa, kupfapfaidza uye kusanganiswa kunobva kwaitwa kusimbisa rusvingo.

Mushure mekusanganiswa kwesemende-ivhu rekusanganisa madziro ehupamhi hwakaenzana hwapedzwa, huwandu hwebhokisi rekucheka hunopfapfaidzwa uye hwakasanganiswa panguva yekusimudza bhokisi rekucheka kuti ive nechokwadi chekuti nzvimbo inobatwa nebhokisi rekucheka yakazadzwa zvakanyanya uye inosimbiswa zvinobudirira. kudzivirira kukanganisa kwakashata pamadziro ekuedzwa. .

3. Geological mamiriro

Geological mamiriro

Iyo yakafumurwa strata pamusoro peiyo Xiongan New Area uye dzimwe nzvimbo dzakatenderedza iQuaternary loose layers. Ukobvu hweQuaternary sediments kazhinji hunosvika mazana matatu emamita, uye rudzi rwemaumbirwo rwunonyanya kuve nealluvial.

(1) Brand new system (Q₄)

Iyo Holocene pasi kazhinji inovigwa 7 kusvika 12 metres kudzika uye inonyanya kuve alluvial deposits. Iyo yepamusoro 0.4 ~ 8m ichangobva kuiswa ivhu remarara, silt, uye ivhu, kazhinji grey kusvika kune grey-brown uye yero-brown; the lithology of the lower stratum is general sedimentary silty ivhu, silt, uye ivhu, ine zvimwe zvikamu zvine jecha rakanaka uye pakati nepakati. Iyo jecha layer inonyanya kuvepo muchimiro chelenzi, uye ruvara rweivhu runyoro kazhinji rweyero-ruvara rwebrown-yero.

(2) Gadzirisa sisitimu (Q₃)

Kudzika kwekuvigwa kweUpper Pleistocene pasi kunowanzoita 50 kusvika 60 metres. Izvo zvakanyanya alluvial deposits. The lithology kunyanya ivhu marara, silt, ivhu, silty yakanaka jecha uye pakati jecha. Ivhu revhu rakaoma kupurasitiki. , ivhu rejecha rinenge riri pakati nepakati kusvika kune dende, uye ivhu rakaturikidzana rine grey-yellow-brown.

(3) Mid-Pleistocene system (Q₂)

Kudzika kwekuvigwa kwepakati-Pleistocene pasi kunowanzoita 70 kusvika 100 metres. Inonyanya kuumbwa nevhu remarara, ivhu, ivhu revhu, jecha rakanaka, uye jecha riri pakati nepakati. Ivhu revhu rakaoma kupurasitiki, uye ivhu rejecha riri In dense form. Ivhu rakatsetseka rinowanzoita yero-ruvara, brown-yellow, brown-tsvuku, uye tani.

(4) Hudzamu hwekumabvazuva kwepfundo kudzika kwevhu pamwe nemutsara i0.6m.

(5) Pasi peChikamu II mamiriro enzvimbo, iyo yekutanga kudengenyeka kwepasi peak acceleration partition value yenzvimbo yakarongwa ndeye 0.20g (degree); kukosha kwekudengenyeka kwepasi kunowedzera mhinduro spectrum maitiro ekuparadzanisa kukosha ndeye 0.40s.

2. Hydrogeological mamiriro

Mhando dzemvura yepasi inosanganisirwa mukudzika kwekuongorora kwenzvimbo ino kunyanya inosanganisira mvura ine phreatic muvhu risina kudzika, mvura yakavharirwa zvishoma pakati pevhu ine silt yevhu, uye yakavharirwa mvura muvhu rakadzika jecha. Zvinoenderana nemishumo ye geological, kugovera maitiro emhando dzakasiyana dzeaquifers ndeaya anotevera:

(1) Mvura yepamusoro

Mvura yepasi inonyanya kubva kuBaigou diversion river (chikamu cherwizi chiri padyo nemugero chinozadzwa nemarara, mapurazi uye bhandi regirini), uye hapana mvura muRwizi rwePinghe panguva yeongororo.

(2) Diving

Xiongan Tunnel (Chikamu 1): Yakagoverwa padhuze nepamusoro, inonyanya kuwanikwa mune isina kudzika ②51 layer, ②511 layer, ④21 clay silt layer, ②7 layer, ⑤1 layer ye silty yakanaka jecha, uye ⑤2 yepakati jecha layer. ②7. Iyo silt yakanaka jecha layer mu ⑤1 uye yepakati jecha layer mu ⑤2 ine zvirinani kubereka mvura uye kupindirana, kukora hombe, kunyanya kugovera, uye kupfuma kwemvura. Iwo ari pakati nepakati kusvika kune akasimba-anopindika mvura akaturikidzana. Iyo yekumusoro ndiro yeiyi layer ndeye 1.9 ~ 15.5m kudzika (kukwira kuri 6.96m~-8.25m), uye pasi ndiro 7.7 ~ 21.6m (kukwirisa ndiko 1.00m~-14.54m). Iyo phreatic aquifer yakakura uye yakagovaniswa zvakaenzana, izvo zvakakosha pachirongwa ichi. Kuvaka kune simba guru. Chiyero chemvura yepasi chinodzikira zvishoma nezvishoma kubva kumabvazuva kuenda kumadokero, nekusiyana kwemwaka we 2.0 ~ 4.0m. Mvura yakagadzikana yemvura yekunyura ndeye 3.1 ~ 16.3m kudzika (kukwira 3.6~-8.8m). Yakakanganiswa nekupinzwa kwemvura yepamusoro kubva kuRwizi rweBaigou Diversion, mvura yepamusoro inochajazve mvura yepasi. Nzvimbo yemvura yepasi ndiyo yepamusoro-soro paBaigou Diversion Rwizi nenzvimbo iri pedyo DK116+000 ~ Xiongbao DK117+600.

(3) Mvura yakamanikidzwa

Xiongan Tunnel (Chikamu 1): Maererano nemigumisiro yeongororo, mvura inotakura mvura inokamurwa kuita zvidimbu zvina.

Chikamu chekutanga cheaquifer yemvura yakavharwa chine ⑦1 jecha rakanaka rine silty, ⑦2 jecha riri pakati nepakati, uye rinogoverwa munharaunda ⑦51 clayey silt. Zvichienderana nemaitiro ekugovera kweaquifer muchikamu chepasi pepurojekiti, mvura yakavharwa mumutsara uyu inoverengwa seNo. 1 inovharirwa aquifer.

Yechipiri yakavharirwa aquifer yemvura ine ⑧4 yakanaka silty jecha, ⑧5 yepakati jecha, uye inogovaniswa munharaunda ⑧21 clayey silt. Mvura yakavharirwa iri mudumba iri inonyanya kugoverwa muXiongbao DK122+720~Xiongbao DK123+360 uye Xiongbao DK123+980~Xiongbao DK127+360. Sezvo nhamba ye8 yejecha muchikamu ichi ichienderera mberi uye yakadzikama yakagoverwa, nhamba ye84 yejecha muchikamu chino inoparadzaniswa zvakanaka. Jecha, ⑧5 yepakati jecha, uye ⑧21 clayey silt aquifers zvakakamurwa zvakakamurwa kuita yechipiri yakavharirwa aquifer. Zvichienderana nemaitiro ekugovera kweaquifer muchikamu chepasi pepurojekiti, mvura yakavharidzirwa mumutsara uyu inoverengwa seNo. 2 inovharirwa aquifer.

Chikamu chechitatu cheaquifer chinoumbwa zvikuru nejecha ⑨1 rine silty yakanaka, ⑨2 jecha riri pakati nepakati, ⑩4 jecha rakatsetseka ⑩4, uye ⑩5 jecha riri pakati nepakati, iro rinogoverwa munharaunda ⑨51.⑨52 uye (1021.⑩22 silt. Kugoverwa kubva pasi pevhu. engineering aquifer Hunhu, iyi layer yemvura yakavharirwa inoverengwa seNo. ③ inovharirwa aquifer.

Chikamu chechina chemvura yakavharirwa inonyanya kuumbwa ne ①3 jecha rakanaka, ①4 jecha riri pakati, ⑫ 1 jecha rakanaka, ⑫2 jecha riri pakati nepakati, ⑬ 3 jecha rakanaka, uye ⑬4 jecha riri pakati nepakati, iro rakagoverwa munharaunda ①21.⑫512.⑫ 512. .⑬21.⑬22 Muvhu rehupfu. Zvichienderana nemaitiro ekugovera kweaquifer muchikamu chepasi pepurojekiti, mvura yakavharwa mumutsara uyu inoverengwa seNo. 4 inovharirwa aquifer.

Xiongan Tunnel (Chikamu 1): Kukwirira kwakagadzikana kwemvura yemvura yakavharwa mu Xiongbao DK117+200~Xiongbao DK118+300 chikamu i0m; iyo yakagadzikana yakavharirwa mwero wemvura muXiongbao DK118+300~Xiongbao DK119+500 chikamu -2m; Kukwirira kwakagadzikana kwemvura kwechikamu chemvura yakamanikidzwa kubva Xiongbao DK119+500 kusvika Xiongbao DK123+050 is -4m.

4. Kuedza rusvingo bvunzo

Mvura-stop longitudinal silos yepurojekiti iyi inodzorwa maererano nezvikamu zve 300-metres. Chimiro chejira rekuvhara mvura chakafanana nejira rekuvhara mvura kumativi ose maviri egomba renheyo riri pedyo. Nzvimbo yekuvaka ine makona akawanda uye zvikamu zvishoma nezvishoma, zvichiita kuti kuvaka kuve kwakaoma. Inguva yekutanga zvakare kuti nzira yekuvaka yeTRD yakashandiswa pamwero mukuru zvakadaro kuchamhembe. Kushandiswa kwedunhu kuitira kuti uone kugona kwekuvaka kweiyo TRD yekuvaka nzira uye zvishandiso pasi pemamiriro ekunze, kunaka kwemadziro emadziro akaenzana-kukora simende-ivhu rekusanganisa madziro, simende yekusanganisa kufanana, simba uye kumisa-mvura kuita, nezvimwewo, inovandudza. akasiyana ekuvaka paramita, uye kuvaka zviri pamutemo Ita muyedzo wemadziro ebvunzo zvisati zvaitika.

Muedzo wall design zvinodiwa:

Ukobvu hwemadziro ndeye 800mm, kudzika kuri 29m, uye kureba kwendege hakusi pasi pe22m;

The wall verticality deviation haifaniri kunge yakakura kudarika 1/300, kutsauka kwemadziro hakuzove kwakakura kudarika +20mm~-50mm (kutsauka kupinda mugomba kwakanaka), kutsauka kwakadzika kwemadziro hakuzove kwakakura kudarika 50mm, madziro. Ukobvu hahungave hushoma pane hwakagadzirwa madziro ukobvu, uye kutsauka kuchadzorwa pakati pe0 ~ -20mm (kudzora saizi kutsauka kwemusoro webhokisi rekucheka);

Iko kukosha kweiyo isina kuvharirwa simba rekumanikidza resimende-ivhu rekusanganisa madziro ehukobvu hwakaenzana mushure memazuva makumi maviri nemasere ekuchera musimboti haisi pasi pe0.8MPa, uye madziro ekudzivirira kwemadziro haafanire kunge akakura kupfuura 10-7cm / sec;

Maitiro ekuvaka:

Iyo yakaenzana-yakaenzana-yakaenzana simende-ivhu rekusanganisa madziro rinotora nhanho-nhatu-kuumba madziro ekugadzira maitiro (kureva, kuchera mberi, kucherwa kwekudzokera, uye kuumba madziro).

Ukobvu hwemadziro emadziro ekuedzwa ndeye 800mm uye hudzamu hwepamusoro ndeye 29m. Iyo inovakwa uchishandisa iyo TRD-70E yekuvaka nzira muchina. Munguva yekuedzwa kwemadziro maitiro, kushanda kwemidziyo kwaive kwakajairika, uye avhareji yekufambira mberi kwemadziro kumhanya yaive 2.4m/h.

Miedzo mhinduro:

Kuyedza zvinodiwa pamadziro ekuyedzwa: Sezvo madziro ekuyedzwa akadzika zvakanyanya, slurry test block simba bvunzo, musimboti sampuli simba bvunzo uye permeability bvunzo dzinofanirwa kuitwa nekukasira mushure mekunge simende-ivhu rekusanganisa madziro eukobvu hwakaenzana wapera.

Slurry test block bvunzo:

Miyedzo yesimba rekumanikidza isina kuvharwa yakaitwa pamasampuli epakati esimende-ivhu rekusanganisa madziro ehukobvu hwakaenzana mukati memazuva makumi maviri nemasere nemazuva makumi mana nemashanu ekurapa. Migumisiro yacho ndeiyi:

Zvinoenderana nedatha yekuyedza, iyo isina kuvharwa yekumanikidza simba resimende-ivhu rekusanganisa madziro epakati masampula ehukobvu hwakaenzana yakakura kupfuura 0.8MPa, inosangana nezvinodiwa zvekugadzira;

Penetration test:

Ita bvunzo dzekupinda mukati mepakati pemasamples esimende-ivhu rekusanganisa madziro ehukobvu hwakaenzana mukati memazuva makumi maviri nemasere nemazuva makumi mana nemashanu ekurapa. Migumisiro yacho ndeiyi:

Zvinoenderana nedata rekuyedza, iyo permeability coefficient mhinduro iri pakati pe5.2 × 10-8-9.6 × 10-8cm/sec, inosangana nezvinodiwa zvekugadzira;

Yakagadzirwa simende ivhu compressive simba bvunzo:

Muedzo wemazuva makumi maviri nemasere wekumanikidza simba wakaitwa pamadziro ebvunzo slurry test block. Mhedzisiro yebvunzo yaive pakati pe1.2MPa-1.6MPa, iyo yakasangana nezvinodiwa zvekugadzira;

Yemazuva makumi mana neshanu yekumisikidza simba bvunzo yakaitwa pamadziro ebvunzo slurry test block. Mhedzisiro yebvunzo yaive pakati pe1.2MPa-1.6MPa, iyo yakasangana nezvinodiwa zvekugadzira.

5. Zvivakwa zvekuvaka uye matanho ehunyanzvi

1. Kuvaka parameters

(1) Kudzika kwekuvaka kweTRD nzira yekuvaka ndeye 26m ~ 44m, uye ukobvu hwemadziro i800mm.

(2) Mvura yekuchera inosanganiswa ne sodium bentonite, uye mvura-samende chiyero W / B ndeye 20. Iyo slurry inosanganiswa panzvimbo ne 1000kg yemvura uye 50-200kg ye bentonite. Munguva yekuvaka, chiyero chemvura-simende yemvura yekuchera inogona kugadziridzwa zvinoenderana nezvinodiwa nemaitiro uye maitiro ekugadzira.

(3) Kuyerera kwemvura yekuchera yakasanganiswa ivhu kunofanirwa kudzorwa pakati pe150mm ne280mm.

(4) Mvura yekuchera inoshandiswa mukuzvifambisa kwebhokisi rekucheka uye danho rekuchera mberi. Munhanho yekuchera yekudzosa, mvura yekuchera inobaiwa zvakakodzera zvichienderana nekuyerera kwedhaka rakasanganiswa.

(5) Mushonga unorapa unosanganiswa ne P.O42.5 giredhi yakajairika yePortland simende, ine simende inokwana 25% uye mvura-simende reshiyo ye1.5. Chiyero chemvura-samende inofanira kudzorwa kusvika padiki pasina kuderedza kuwanda kwesamende. ; Panguva yekuvaka, 1500kg yega yega yemvura uye 1000kg yesimende zvinosanganiswa muslurry. Iyo inorapa mvura inoshandiswa mumadziro-ekugadzira kusanganisa nhanho uye yekucheka bhokisi rekusimudza nhanho.

2. Pfungwa huru dzekutonga kwehunyanzvi

(1) Isati yavakwa, nyatso verenga makona emakona epakati mutsara wevhavha yekumisa-mvura zvichienderana nedhizaini yedhizaini uye kurongeka kwereferenzi mapoinzi akapihwa nemuridzi, uye ongorora data rekubatanidza; shandisa midziyo yekuyeresa kumisa, uye panguva imwe chete gadzirai kudzivirira kwemurwi uye zivisai mayuniti akakodzera Ita wongororo yewaya.

(2) Pamberi pekuvaka, shandisa mwero kuyera kukwirira kwenzvimbo, uye shandisa chinochera kuenzanisa nzvimbo yacho; geology yakaipa uye zvipingamupinyi zvepasi pevhu zvinokanganisa kunaka kwemadziro akaumbwa neTRD nzira yekuvaka inofanira kugadziriswa mberi isati yaenderera mberi neTRD yekuvaka nzira yekugadzira mvura-kumisa keteni kuvaka; panguva imwe chete, matanho akakodzera anofanira kutorwa Kuwedzera simiti.

(3) Nzvimbo dzakapfava uye dzakadzika-dzika dzinofanirwa kuzadzwa kumashure nevhu rakapfava nenguva uye kubatanidza dhizaini nedhiza neanochera. Pamberi pekuvaka, maererano nehuremu hweTRD nzira yekuvaka nzira, matanho ekusimbisa akadai sekuisa mahwendefa esimbi anofanira kuitwa panzvimbo yekuvaka. Kuiswa kwesimbi mahwendefa hakufanirwe kunge kuri pasi pe2 Iwo akaturikidzana akaiswa parallel uye perpendicular kune kutungamira kwegoronga zvichiteerana kuti ive nechokwadi chekuti nzvimbo yekuvaka inosangana nezvinodiwa zvekutakura kugona kweiyo mechanical equipment nheyo; kuve nechokwadi chekumira kwemutyairi wemurwi uye bhokisi rekucheka.

(4) Kuvakwa kwesemende-ivhu kusanganisa madziro ehukobvu hwakaenzana kunotora nhanho nhatu-yekugadzira madziro nzira (kureva, kuchera kutanga, kucherwa kwekudzokera shure, uye kuumba madziro). Ivhu renheyo rakasanganiswa zvakakwana, rinokurudzirwa kuti risunungurwe, uye rinobva rasimbiswa uye rinosanganiswa mumadziro.

(5) Panguva yekuvaka, chassis yemutyairi wemurwi weTRD inofanirwa kuchengetedzwa yakatwasuka uye gwara rakamira rakamira. Isati yavakwa, chiridzwa chekuyeresa chinofanirwa kushandiswa kuitisa axis bvunzo kuti ive nechokwadi chekuti mutyairi weTRD murwi wakamira zvakanaka uye kutsauka kwakamira kwemurwi wemutyairi wegwara regwara kunofanirwa kusimbiswa. isingasviki 1/300.

(6) Gadzirira nhamba yemabhokisi ekucheka maererano neyakagadzirirwa rusvingo kudzika kwe simenti-ivhu rinosanganiswa rusvingo rwehupamhi hwakaenzana, uye chera mabhokisi ekucheka muzvikamu kuti udzityaire kusvika pakadzika yakagadzirirwa.

(7) Kana bhokisi rekucheka richifambiswa mukati maro, shandisa midziyo yekuyeresa kugadzirisa verticality yemurwi wemutyairi wegwara munguva chaiyo; paunenge uchiona vertical accuracy, dzora huwandu hwejekiseni hwemvura yekuchera kusvika padiki kuitira kuti dhaka rakavhenganiswa rive mumamiriro ekugadzirisa uye high viscosity. kuitira kurarama nekuchinja kukuru kwe stratigraphic.

(8) Munguva yekuvaka, kurongeka kwemadziro kunogona kutarisirwa kuburikidza ne inclinometer yakaiswa mukati mebhokisi rekucheka. Kumira kwemadziro hakufanirwe kuve kwakakura kupfuura 1/300.

(9) Mushure mekugadzwa kwe inclinometer, enderera mberi nekuvakwa kwesemende-ivhu rekusanganisa rusvingo rwehupamhi hwakaenzana. Rusvingo rwakaumbwa pazuva rimwe chete runofanira kupindirana nemadziro akaumbwa neasingasviki 30cm ~ 50cm; chikamu chinopindirana chinofanira kuona kuti bhokisi rekucheka rakamira uye harina kutenderera. Kanda zvishoma nezvishoma panguva yekuvaka kuti unyatso sanganisa uye kurunga mvura inorapa uye madhaka akasanganiswa kuti ave nechokwadi chekupindirana. quality. Iyo schematic dhayagiramu yekupindirana kwekuvaka ndeiyi inotevera:

(11) Mushure mekuvakwa kwechikamu chechiso chekushanda kwapera, bhokisi rekucheka rinobudiswa kunze uye rinoparara. Iyo TRD host inoshandiswa pamwe chete neye crawler crane kuburitsa bhokisi rekucheka mukutevedzana. Nguva yacho inofanira kudzorwa mukati memaawa mana. Panguva imwecheteyo, huwandu hwakaenzana hwematope akavhenganiswa hunoiswa pasi pebhokisi rekucheka.

(12) Paunenge uchidhonza kunze kwebhokisi rekucheka, kudzvinyirira kwakashata hakufanirwe kugadzirwa mugomba kukonzeresa kugadzika kwehwaro hwakapoteredza. Kuyerera kwekushanda kwepombi yegrouting kunofanira kugadziriswa maererano nekumhanya kwekudhonza kunze kwebhokisi rekucheka.

(13) Simbisa kuchengetedzwa kwemidziyo. Kuchinja kwega kwega kunotarisisa kutarisa sisitimu yemagetsi, cheni, uye maturusi ekucheka. Panguva imwecheteyo, seti yekuchengetedza jenareta ichagadziriswa. Kana magetsi emagetsi asina kujairika, kupihwa kwepulp, kudzvanywa kwemhepo, uye zvakajairwa kusanganisa mashandiro anogona kutangwa zvakare nenguva yakakodzera kana magetsi adzima. , kudzivirira kunonoka kukonzera tsaona dzekuchera.

(14) Simbisa kutariswa kwemaitiro ekuvaka eTRD uye kuongororwa kwemhando yemadziro akaumbwa. Kana matambudziko emhando awanikwa, iwe unofanirwa kubata nemuridzi, maneja uye dhizaini unit kuitira kuti matanho ekugadzirisa atorwe panguva yakakodzera kudzivirira kurasikirwa kusingakoshi.

6. Mhedziso

Huwandu hwemakona emadziro echirongwa ichi akaenzana-ukobvu simende-ivhu rekusanganisa madziro angangoita 650,000 square metres. Parizvino ndiyo purojekiti ine yakakura kwazvo TRD yekuvaka uye dhizaini vhoriyamu pakati pedzimba dzekumhanya-mhanya njanji mapurojekiti. Huwandu hwemakumi matatu nembiri emidziyo yeTRD yakaiswa, iyo Shanggong Machina's TRD akatevedzana zvigadzirwa account ye50%. ; Kushandiswa kukuru kwenzira yekuvaka yeTRD muchirongwa ichi kunoratidza kuti kana nzira yekuvaka yeTRD ichishandiswa sechidzitiro chekumisa mvura mupurojekiti yenjanji inomhanya-mhanya, kusimba kwemadziro uye kunaka kwemadziro akapedzwa. yakavimbiswa, uye kugona kwemidziyo uye kushanda zvakanaka kunogona kusangana nezvinodiwa. Inoratidzawo kuti nzira yekuvaka yeTRD inoshanda muKushandiswa munharaunda yekuchamhembe kune imwe nzvimbo inokosha yenzira yekuvaka yeTRD mune high-speed rail tunnel engineering uye kuvaka munharaunda yekuchamhembe.

Nguva yekutumira: Oct-12-2023