Kugwiritsa ntchito njira yomanga ya TRD mu Xiongxin Great-Freey Projekiti Yothamanga

M'zaka zaposachedwa, njira yomanga ya Terrd yakhala yogwiritsidwa ntchito kwambiri ku China, ndipo kugwiritsa ntchito kwake pabwalo la mabwalo, madzi osungirako, njanji ndi ntchito zina zomangamanga zikuwonjezereka. Apa, tikambirana mfundo zazikuluzikulu za ukadaulo wa Terrd zogwiritsira ntchito Xiongan innel gawo la Xionaga atsopano a Xiongan XIN BODY monga maziko. Ndi ntchito yake kumpoto. Zotsatira zoyesera zikuwonetsa kuti njira yomanga ya Terrd ili ndi bwino khoma komanso luso lalikulu la zomangamanga, zomwe zimatha kukwaniritsa zofunikira zomanga. Kugwiritsa ntchito kwakukulu kwa njira yomanga pa ntchitoyi mu ntchitoyi kumatsimikiziranso kugwiritsidwa ntchito kwa njira yomanga kumpoto. , ndikupereka mafotokozedwe ambiri a kapangidwe ka Terd kudera lakumpoto.

1. Project Projectview

Sitima-xinjiang kwambiri sitima yapamwamba kwambiri ili m'chigawo chapakati cha North China, kuthamanga ku Hebei ndi Shanxi. Imayenda motalika kwambiri kulowera chakumadzulo-West. Mzere umayamba kuchokera ku Xionaga Station ku Xional New District kum'mawa ndi kumapeto kwa Xinzhou West Station of Daxi njati kumadzulo. Imadutsa mu Chigawo cha Xiongan New, mzinda wobwerera, ndi Xinzhou City. , ndipo imalumikizidwa ku Taiyuan, likulu la likulu la Shanxi Civince, kudzera pa Daxi Warser Express. Kutalika kwa mzere waukulu womangidwa ndi 342.661km. Ndi njira yofunikira yopingasa ya network yoyendetsa sitima yapamwamba kwambiri mu "madera anayi opingasa ndi awiri opingasa ndi njira yofunika kwambiri pabwalo la Beijing-Propeck.

Pali magawo ambiri opanga makina mu ntchitoyi. Apa tikutenga gawo limodzi ngati chitsanzo chokambirana za kugwiritsa ntchito kapangidwe ka Terrd. Kukula kwa gawo la gawoli ndi polowera Transnel yatsopano ya Xiongan (gawo 1) lomwe lili mudzi wa Gaoxiang, rongcheng County, Bakuman. Mzere umayamba kuchokera kumadutsa pakati pa mudzi. Atachoka mudziwo, kumatsika ndi Baigou kuti uzitsogolera mtsinjewo, kenako ndikukulitsa kumbali yakumwera kwa Guocn kumadzulo. Mapeto a kumadzulo amalumikizidwa ku malo ogwiritsira ntchito xiionagan. Kuyambira ndi kutha kwa mileage kwa msewu ndi Xiongba Dk119 + 800 ~ X XINGMBOO DK123 + 050. Mphepoyo ili pakubweza mzindawu ndi 3160m ku Rongcheng County ndi 4340m mu Dyengo County.

2. Mwachidule za kapangidwe ka TRD

Mu ntchitoyi, nthaka yosakanikirana khoma la makulidwe ofanana 26m ~ 44m, ndi makulidwe a 800mm, ndi lalikulu kukula kwa mamita pafupifupi 650,000.

Kusakaniza khoma la simentame yofanana kumapangidwa ndi p.O42.5 Zambiri za ku Portland, simenti ya simenti si yochepera 25%, ndipo rament-sio ndi 1.0 ~ 1.5.

Kupsompsona kwa khoma la simentame yofanana ndi makulidwe ofanana osaposa 1/300 tsamba).

Mtengo woyenera wa mphamvu yosagwirizana ya simenti yothina khoma lofanana kukula kwa masentimita 28 osakwana 0.8mmka, ndi zokongoletsera kukhoma sizokulirapo kuposa 10-7cm / s.

Ma khoma osakanikirana-makulidwe a dothi amasunga njira yomanga mpanda wachitatu (mwachitsanzo, kufukula koyamba, kufufuzira zakukufukula, ndi kusakaniza kwa khoma). Nthambizo zikafukulidwa ndikumasulidwa, kupopera mbewu mankhwalawa ndi kusakaniza zimachitika kuti zikhazikike khomalo.

Pambuyo kusakaniza khoma la simentameter ndi dothi lofanana limamalizidwa, mtundu wa bokosi lodula limathiridwa ndikusakanizidwa panthawi yonyamula mabokosi omwe adulidwawo ndi okhazikika kuti athetse mavuto olakwika. .

3. Mikhalidwe yazigawo

Mikhalidwe yazikhalidwe

Strata yowonekera pamtunda wa malo onse a Xionagan ndipo madera ena ozungulira ndi omasuka. Kukula kwa chizungulire nthawi zambiri kumakhala pafupifupi 300 metres, ndipo mtundu wa mapangidwe ndiwoperezeka kwambiri.

(1) dongosolo latsopano latsopano (Q₄)

Dokocene pansi nthawi zambiri amabisidwa 7 mpaka 12 metres ndipo makamaka ma depositi. Wam'mwambamwamba 0.4 ~ 8m amangoika dongo losachepera, silika, ndi dongo, makamaka imvi ndi bulaivi ndi chikasu-chofiirira; Lithology ya wotsika ndi malo wamba wopanda zingwe, silika, ndi dongo, ndi mbali zina zomwe zimakhala ndi mchenga wopanda chilekani ndi zigawo. Mchenga wosanjikiza umakhalapo ngati mandala, ndipo mtundu wa dothi umakhala wachikasu wokhala wachikasu.

(2) Sinthani dongosolo (Q q₃)

Maliro akuya a kumtunda wapamwamba nthawi zambiri amakhala 50 mpaka 60 metres. Zimakhala zonyansa kwambiri. Lithogy nthawi zambiri amakhala dongo, silika, dongo, sing'anga yabwino komanso mchenga wang'ambika. Dothi ladongo ndilovuta ku pulasitiki. , dothi lamchenga ndi lakuwala mpaka latansi, ndipo dothi limakhala lofiirira kwambiri.

(3) Middy-Pleistno System (Q₂)

Maliro akuya pakati pa mitationspene mulingo pafupifupi 70 mpaka 100 metres. Zimakhala ndi dongo losaneneka, dongo, bango silika, mchenga wabwino, komanso mchenga wang'ala. Dothi ladongo ndilovuta ku pulasitiki, ndipo dothi lamchenga lili mu mawonekedwe owala. Dothi la dothi limakhala lachikasu kwambiri, lofiirira, lofiirira, lofiirira, ndi tan.

(4) Kuzama kwambiri kwa dothi motsatira mzere ndi 0.6m.

. Kuyankha koyambirira kwa chikondwerero cha chibadwa cha chikondwerero cha nthawi yayitali njira yogawana ndi 0,40s.

2. Mikhalidwe ya hydrogelogicalogicalogicalogicalo

Mitundu ya madzi omwe amatenga nawo mbali pamtunduwu makamaka amaphatikizapo madzi opuma pansi kwambiri, madzi otsekemera pang'ono mu dothi losanjikiza, komanso madzi otsekeka m'madzi amchenga. Malinga ndi malipoti a Geogilogical, mikhalidwe yogawika ya mitundu yosiyanasiyana yam'madzi ili motere:

(1) Madzi

Madzi apadziko lapansi amachokera ku mtsinje wa Baigou wa ku Baigou (gawo la mtsinje wapafupi ndi ngale, minda yobiriwira, ndipo kulibe madzi mumtsinje wa Punge.

(2) Kuchepetsa

Xiongan Trannel (gawo 1): Kugawidwa pafupi ndi mawonekedwe, makamaka opezeka mu ②51 wosanjikiza, №211 wosanjikiza, ②7 wosanjikiza, ⑤1 wosanjikiza wosanjikiza, ndi ⑤2 mchenga wosanjikiza. ②7. Mchenga wabwino wosanjikiza mu ⑤1 ndi mchenga wosanjikiza mu ⑤2 ali ndi madzi abwino komanso ofooka, makulidwe akuluakulu, ngakhale kugawana, ndi kufalikira kwa madzi. Ali ndi sing'anga ku zigawo zolimba m'madzi. Pulogalamu yapamwamba yaseli ndi 1.9 ~ 15.5m Hight (kukweza ndi 6. -8.2m), ndi mbale pansi ndi 7.7 ~ Madzi opuma ndi ogawidwa komanso ogawana nawonso, omwe ndi ofunikira kwambiri pantchitoyi. Ntchito yomanga imakhudza kwambiri. Mulingo wapansi pamadzi amachepetsa kuchokera kummawa mpaka kumadzulo, ndi kusiyanasiyana kwa kanthawi kochepa kwa 2.0 ~ 4.0m. Madzi okhazikika a mavidiyo ndi 3.1 ~ 16.3m kuya (kukweza 3.6 ~ -8.8m). Atakhudzidwa ndi kulowetsedwa kwa madzi oyambira mtsinje wa Baigou ku Mitsinje, madziwo amayambiranso pansi pamadzi apansi. Mtsinje waukulu wapansi panthaka ndi wokwera pamtsinje wa Baigou wa baigou ndi wam'fupi ndi Dk116 + 000 ~ Xioiongbao Dk117 + 600.

(3) Madzi okakamizidwa

Xiongan Trannel (Gawo 1): Malinga ndi kafukufukuyu, madzi ophatikizikawo amagawidwa m'magawo anayi.

Wosanjikiza woyamba wa madzi am'madzi ali ndi mchenga wabwino, mchenga wambiri, ndipo kumagawidwa kwanuko mu ⑦51 Clayeyy silt. Kutengera ndi mawonekedwe a aquifar mu gawo lakunja la polojekitilo, madzi otsekedwa mu izi amawerengedwa ngati No. 1 wotsekedwa.

Madzi achiwiri omwe ali ndi mchenga wokhazikika amakhala ndi mchenga wosalala, №5 mchenga, ndipo amagawidwa kwanuko mu ⑧21 clayey. Madzi otsekedwa mu izi amagawidwa mu Xiongba Dk122 + 720 ~ 320 ndi Xiongbao Dk123 + 980 ~ 360 + 360. Popeza gawo la mchenga uliwonse mu gawo lino lagawidwa mosalekeza, ndikugawidwa mumchenga wa mchenga wa 84 womwe umagawidwa. Mchenga, №5 mchenga wapakati, ndipo ⑧21 clayeyoni milifer ogawika amagawidwa mosiyana ndi am'madzi achiwiri. Kutengera ndi mawonekedwe a aqufar mu gawo lakunja la polojekitilo, madzi otsekedwa mu izi amawerengedwa ngati No. 2 wotsekedwa.

Wosanjikiza wachitatu wa aquifar nthawi zambiri amakhala ndi mchenga wabwino kwambiri ,.

Gawo lachinayi la aquifar limapangidwa ndi mchenga wodekha, №4, mchenga wabwino, mphindi ⑫2 Silika Mchenga wabwino, ndipo №3.⑫1.⑬. Kutengera ndi mawonekedwe a aquifar mu gawo lakunja la ntchitoyi, madzi otsekeka mu izi amawerengedwa ngati No. 4 wotsekedwa.

Xiongan Tynel (gawo 1): Kukweza kwamadzi kokhazikika kwa madzi otsekedwa mu Xiongba do Dk117 + 200 ~ Xioiongbao Dk118 GK118 Gawo 300; Kukweza kwamadzi kokhazikika mu Xiongba Dk118 + 300 ~ Xioni + 500 mpaka -2m + 500 + 050 ndi -4m.

4. Kuyesa kwa khoma

Silika wamtali wamadzi a ntchitoyi amawongoleredwa malinga ndi zigawo za 300-mita. Mtundu wa nsalu yotchinga madzi ndiwofanana ndi nsalu yotchinga yamadzi mbali zonse ziwiri za dzenje loyandikana. Tsambali lili ndi ngodya zambiri komanso zigawo pang'onopang'ono, kupangitsa kuti ntchitoyo ikhale yovuta. Ilinso nthawi yoyamba kuti njira yomanga ya Terrd idagwiritsidwa ntchito pamlingo waukulu kwambiri kumpoto. Kugwiritsa ntchito kwa chigawo kuti mutsimikizire kuthekera kwa njira yomanga ya Terrd ndi zida zosakanikirana, simenti ndi magwiridwe antchito, ndikupanga mayesero oyeserera kale.

Zoyesa kukhoma zopangira:

Khoma makulidwe ndi 800mm, kuya ndi 29m, ndipo kutalika kwa ndege sikochepera 22m;

Kupatuka kwa khoma sikungakhale kwakukulu kuposa 1/300, khoma lakunja silingakhale lalikulu kuposa 50mm (kupatuka kwa khomalo sikungakhale kocheperako).

Mtengo woyenera wa mphamvu yosagwirizana ndi nthaka yosakanikirana khoma la makulidwe ofanana masiku 28 osakwana 0.8MPA, ndi kukomoka kwa khoma sayenera kukhala wamkulu kuposa 10-7cm;

Njira Zomanga:

Makoma ofanana-makulidwe a pulayala amatengera njira yomanga yomanga mpanda wa makhoma atatu (mwachitsanzo, kukumba mwachindunji, zokulereranso zakale, ndi kusakaniza kwa khoma).

Khoma makulidwe a khoma la milandu ndi 800mm ndi kuya kwakukulu kwa 29m. Amapangidwa pogwiritsa ntchito makina omanga a Ter-70E. Pa nthawi ya khoma, zida zamagetsi zinali bwinobwino, ndipo kuthamanga kwapadera kwa khoma inali 2.4m / h.

Zotsatira:

Kuyesa Zofunikira pa khoma loyesa: Popeza khoma loyeserera ndi lakuya kwambiri, kuyesa kokhazikika kwamphamvu, mayeso a chiwonetsero champhamvu kuyenera kuchitika mwachangu

Kuyeserera koyeserera koyeserera:

Kuyesa kosagwirizana komwe kunachitika pa zitsanzo za simentameza nthaka ndikusakanikirana makhoma ofanana kumera m'masiku 28 ndi 4-cy-day. Zotsatira zake ndi izi:

Malinga ndi deta yoyesa, mphamvu yosagwirizana yophatikizika ndi nthaka yosakanikirana ya khoma zitsanzo za makulidwe ofanana ndi 0,8mm, kukwaniritsa zofunikira;

Kuyesa kulowera:

Khazikitso zogwirizana ndi zogwirizana pa zitsanzo za simenti-nthaka yosakanikirana makhoma ofanana mkati mwa masana ndi masana masana. Zotsatira zake ndi izi:

Malinga ndi deta yoyeserera, zotsatira za zogwirizana ndi pakati pa 5.2 × 10-9-9.6 × 10cm / sec, yomwe imakwaniritsa zofunikira;

DZIKO LAPANSI LATE CORRESS TREARESTEL CHINECEL:

Yesani masana 28 mkati mwake adachitidwa pa mayeso oyeserera. Zotsatira zoyesedwa zinali pakati pa 1.2mka-1.6m, zomwe zidakumana ndi zomwe amapanga;

Yesani masana azaka 45 amayesedwa pa mayeso oyeserera. Zotsatira zoyeserera zinali pakati pa 1.2mka-1.6m, zomwe zidakumana ndi zomwe amapanga.

5.. Zomangamanga ndi njira zaukadaulo

1. Zomangamanga

(1) Kuzama kwa njira yomanga ya Terrd ndi 26m ~ 44m, ndi khoma makulidwe ndi 800mm.

. Panthawi yomanga, kuchuluka kwa madzi okumba kumatha kusinthidwa moyenerera malinga ndi zomwe mukufuna ndi zomwe zikupanga.

(4) Madzi okumba amagwiritsidwa ntchito poyendetsa nokha m'bokosi lodula komanso gawo lokumba. Mu gawo lokukumba lolemba, madzi okumba amalowetsedwa moyenera malinga ndi madzimadzi osakanikirana.

. Chiwerengero cha mmadzi chamadzi chizikhala chochepetsedwa popanda kuchepetsa kuchuluka kwa simenti. ; Panthawi yomanga, 1500kg iliyonse ya madzi ndi 1000kg ya simenti imasakanizidwa. Kuchiritsa madzi kumagwiritsidwa ntchito pakhoma losakanikirana ndi kudula kwa bokosi lodula.

2. Mfundo zazikuluzikulu zaukadaulo

. Gwiritsani ntchito zida zoyezera kuti zitheke, ndipo nthawi yomweyo konzekerani chitetezo cha Pile ndikudziwitsa mayunitsi oyenera omwe amawunikiranso ndemanga.

. Matenda oyipa ndi zopinga zonyansa zomwe zimakhudza mtundu wa khoma lopangidwa ndi njira yopanga Terrd iyenera kuchitidwa pasadakhale isanachitike ndi njira yomanga yamadzi otsekera; Nthawi yomweyo, njira zoyenera zimayenera kuwonjezeredwa zowonjezera za simenti.

. Musanayambe kumanga, malinga ndi kulemera kwa zida za Terrd njira ya njira, zinthu zolimbitsa mphamvu monga zitsulo zitsulo ziyenera kuchitika pamalo omanga. Kuyika kwa mbale zachitsulo sikuyenera kuchepera 2 ndi zigawo zomwe zimaphatikizidwa ndikuwongolera kuwongolera kwa ngalande moyenera kuti zitsimikizire kuti malo opangira makina amafunikira kuti akwaniritse zida zamagetsi; kuonetsetsa kuti ngodya ya pile ndi bokosi lodula.

. Dothi la maziko limasakanikirana mokwanira, wolimbikitsidwa kumasula, kenako nkukhazikika ndikusakanikirana kukhoma.

. Kunamanga, zida zoyezera ziyenera kugwiritsidwa ntchito poyesa ma ardis kuti chitsimikizidwe kuti woyendetsa ndegeyo akuikidwa moyenera komanso kupatuka kokhazikika kwa chitsogozo cha ma pile a Pile kuyenera kutsimikiziridwa. Zosakwana 1/300.

. Ngakhale akuwonetsetsa zolondola, sinthani mafuta a jekeseni yokukutira kuti matope osakanizika ali mumkhalidwe wa ndende kwambiri komanso mawonekedwe apamwamba kwambiri. pofuna kuthana ndi kusintha kwapadera.

. Chophimba cha khoma sichiyenera kukhala chachikulu kuposa 1/300.

. Khoma lopangidwa tsiku lomwelo liyenera kupitirira khoma lopangidwa ndi 30cm ~ 50cm; Gawo lowoloka liyenera kuwonetsetsa kuti bokosi lodula ndi lokhazikika ndipo silinapangidwe. Muziyambitsa pang'onopang'ono pakumanga kuti musakanizene ndi kusakaniza madzi ndi matope osakanikirana kuti atsimikizire zochulukirapo. kulibwino. Chithunzi chojambulira chomangira chodutsacho ndi motere:

(11) Ntchito yomanga gawo la nkhope yogwira ntchito imamalizidwa, bokosi lodula latulutsidwa ndikuwola. Wogulitsa wa TRD amagwiritsidwa ntchito molumikizana ndi crawler kuti atulutse bokosi lodula motsatira. Nthawi iyenera kulamulidwa mkati mwa maola 4. Nthawi yomweyo, matope ofanana ophatikizika amalowetsedwa pansi pa bokosi lodula.

. Kuyenda pampu yoyera kuyenera kusinthidwa malinga ndi liwiro lokoka bokosi lodula.

(13) limbikitsani kukonza zida. Kusintha kulikonse kumayang'ana pakuyang'ana dongosolo lamphamvu, unyolo, ndi zida zodula. Nthawi yomweyo, kupatsa kwa genetiup yosunga ndalama kudzakonzedwa. Mphamvu ya magetsi ikakhala yopanda pake, yopaka zamkati, kuponderezana kwa mpweya, komanso maopareshoni osakanikirana akhoza kuyambiranso munthawi yake mukakumana ndi mphamvu yamagetsi. , kuti mupewe kuchedwa kwa ngozi zobowola.

. Ngati mavuto abwino apezeka, muyenera kulumikizana ndi mwini wake, woyang'anira ndi kapangidwe ka kapangidwe kake kuti njira zothetsera njira zitha kutengedwera mu njira yake kuti mupewe kutaya kosafunikira.

6. Kumaliza

Makoma onse a polojekiti yofanana ndi makoma a simenti ya dothi ndi dothi pafupifupi 650,000. Pakadali pano polojekitiyi ndi zomanga zazikulu kwambiri za Terd ndi kuchuluka kwa kapangidwe kake kanyumba kanyumba kanyumba kanyanja. Zida zokwana 32 za 32 zakhazikitsidwa, zomwe shanggong makina a Shanggong Comping Akaunti yazogulitsa 50%. ; Kugwiritsa ntchito kwakukulu kwa njira yomanga pa ntchitoyi ikuwonetsa kuti njira yomanga ya TRD imagwiritsidwa ntchito ngati nsalu yotchinga yamadzi yothamanga, ndipo makhoma amatha kukhala otsimikizika, ndipo kuchuluka kwa ntchito kumatha kukwaniritsa zofunikira. Zimatsimikiziranso kuti njira yomanga ya TRD imagwira ntchito kudera lakumpoto ili ndi tanthauzo linanso la njira yomanga yapamwamba kwambiri ya sitima yapamwamba kwambiri.

Post Nthawi: Oct-12-2023