Ngokuphathwa kwamalahle ezindaweni zikagesi kanye nempahla eyinqwaba edluliswa ezimbonini zikasimende, kufanele ubekwe kanjani umzila wokuthutha ohlanganisa amakhulu amamitha: i-overhead steel conveyor trestle noma igalari yokuthutha engaphansi komhlaba?
Amathimba amaningi ephrojekthi ekuqaleni athanda umzila ongaphansi komhlaba ngoba ugcina isayithi libonakala licacile futhi libonakala lilula. Kodwa lapho imisebenzi yomphakathi, ukufinyelela ekunakekeleni, kanye nokusetshenziswa komhlaba kucatshangelwa ndawonye, isiphetho ngokuvamile siyashintsha. Uma ubude bendawo buba bude futhi buyinkimbinkimbi ngokwengeziwe, kulapho izinzuzo ze-conveyor structure yensimbi ziba sobala.
Lo mhlahlandlela uhlinzeka ngohlaka olusebenzayo lokukhetha umzila, kusetshenziswa izakhiwo zensimbi ezilethiwe ezinhlelweni zokubamba amalahle njengezinkomba zephrojekthi.
Izindleko Ezintathu Ezifihliwe Zegalari Yokuhamba Ngaphansi Komhlaba
Imisebenzi Yomhlaba kanye Nokwakha Ngaphansi Komhlaba
Igalari ye-conveyor engaphansi komhlaba idinga ukumbiwa, ukugezwa, nokugcwaliswa ngemuva. Lapho amanzi angaphansi komhlaba ekhona, izindlela zokususa amanzi kanye nokuvinjelwa kwamanzi nazo ziyadingeka. Ezitshalweni ezinezimo zomhlaba eziyinkimbinkimbi, amashejuli omsebenzi womphakathi kanye nezindleko kungaba nzima ukuzilawula. Inkathi yemvula iphinde ikhawulele iwindi lokwakha elitholakalayo.
Isondlo kanye nokusebenza
Uma isithumeli sebhande sifakwe ngaphansi komhlaba, izikhala zokungena zilinganiselwe, futhi ukushintshwa kwabantu abangenzi lutho nokuhlolwa okuvamile kudinga umsebenzi ongaphansi komhlaba. Izindleko zokuphepha eziwumphumela kanye nokulahlekelwa ukusebenza kahle kokunakekelwa esikhathini sesevisi yesistimu ngokuvamile zibukelwa phansi ngesikhathi sesigaba sokukhetha.
Ukusetshenziswa Unomphela Kwendawo Yokuphezulu
Indawo engaphezulu kwegalari engaphansi komhlaba ayikwazi ukulayishwa ngokukhululekile, ukwakheka kwezwe, noma ukuthuthukiswa. Empeleni, lesi siqeshana somhlaba sizinikele unomphela ohlelweni lokudlulisa, kunciphisa ukuguquguquka kwesikhathi esizayo ekuhlelweni kwezitshalo.
I-Structural Logic ye-Overhead Steel Conveyor Trestle
Kungani Izakhiwo Zensimbi Zifanele Imizila Yezokuthutha Ephakeme
Izakhiwo zensimbi zihlanganisa isisindo esiphansi uma uqhathaniswa namandla aphezulu. I-overhead conveyor trestle isekelwa ezinyathelweni ngazinye, ukugwema isidingo somsele ombiwa ngokuqhubekayo. Ama-trusses ensimbi kanye nezakhiwo zohlaka lwesikhala yizinhlobo ezimbili ezivamile ezingafinyelela ubude obude ngokusekela okumbalwa:
| Ifomu lesakhiwo | Ibanga le-span elijwayelekile | Izici ezibalulekile |
| I-Steel truss (i-planar noma i-space truss) | Cishe. 30-100 m | Ukuqina okuphezulu; ifanele imithwalo esindayo kanye nemizila ende, eqhubekayo |
| Uhlaka lwesikhala / igobolondo le-lattice | 100 m nangaphezulu | Ikhono elihle kakhulu lokuhlukanisa; amalungu ajwayelekile |
Isikhala sokusekela sezintambo ezithwala izinsimbi ezilula ngokuvamile singu-6-10 m. Amalungu aklanywe kusetshenziswa amamojula ajwayelekile, akhiwe kuqala endaweni yokusebenzela, abese ehlanganiswa futhi aphakanyiswe endaweni yawo esizeni.
Amashejuli amafushane Ngokusebenza Kwefekthri
Amalungu ensimbi ashiselwe futhi ambozwe endaweni yokusebenzela, ashiye ukuphakamisa nokuxhumana njengemisebenzi eyinhloko esizeni. Lokhu kunciphisa ukuchayeka ekubambezelekeni kwenkathi yemvula ehambisana nomsebenzi womhlaba, futhi ukufakwa kungaqedwa ngokushesha kakhulu kunesixazululo somsebenzi ongaphansi komhlaba. Ireferensi yephrojekthi ye-ZM-Besta: ukwakheka kwegobolondo le-lattice legceke lamalahle eliyindilinga elinobubanzi obungu-90 m laqedwa ezinyangeni ezi-3.
Ukuvikelwa Kokugqwala kanye Nezindleko Zomjikelezo Wokuphila
Amaconveyor ensimbi angaphezulu angavikelwa ngamasistimu okunamathela asetshenziswa esitolo noma ama-hot-dip galvanizing. Ezimweni zomkhathi wezimboni, isistimu yokumboza ingaba nempilo yesevisi yokuklama yeminyaka eyi-15-25, ngokulungiswa okukodwa kuphinde kuhlanganiswe ngaleso sikhathi. Nakuba isakhiwo sikakhonkolo segalari engaphansi komhlaba singagqwali, ukuwohloka kokuvimbela amanzi kanye nezindleko zokulungisa ukungena kwamanzi kusadingeka kucatshangelwe.
Uhlaka Lokukhetha: Ungakhetha Nini I-Overhead Steel Conveyor Trestle
Buyekeza izimo zephrojekthi usebenzisa le mibandela elandelayo:
| Isimo sephrojekthi | Inketho enconyiwe | Isizathu |
| Umzila uwela imigwaqo, ujantshi, imifula, noma amapayipi akhona | I-overhead steel conveyor trestle | Ngokuvamile okuwukuphela kwenketho esebenzayo; Ikhono le-span libalulekile |
| Indawo ephansi elinganiselwe; imizila yezokuthutha kumele ihlale ikhona | I-overhead steel conveyor trestle | Igcina izindlela zokujikeleza ezisezingeni eliphansi zitholakala |
| Itafula lamanzi angaphansi komhlaba, i-geology eyinkimbinkimbi, noma inkathi yemvula ende | I-overhead steel conveyor trestle | Igwema izindleko eziningi zokumba, ukususa amanzi, kanye nokudonsa amanzi |
| Izidingo zemvelo zibiza ukuthuthwa okuvalekile, okulawulwa uthuli | I-Ourhead trestle + igalari evaliwe | Igalari yozimele wesikhala yensimbi evalekile ihlanganisa ukuwela ubude besikhathi nesiqukathi |
| Indawo eyisicaba, akukho ukuwela, futhi akukho ukusetshenziswa okuhleliwe kwendawo engaphezulu | Qhathanisa negalari engaphansi komhlaba | Inketho engaphansi komhlaba ingase ibe nokuncintisana ezindlekweni zomsebenzi womphakathi kulesi simo |
Umgomo owodwa oyisiqondiso: lapho umzila uba nezindawo zokuwela eziningi futhi ubude bawo buba bude, kulapho inzuzo yezindleko eziphelele ye-steel conveyor trestle ivame ukuba namandla. Izindleko eziqondile imitha ngayinye yegalari engaphansi komhlaba zingase zibe phansi, kodwa uma imisebenzi yomphakathi, ishejuli, ukunakekelwa, kanye nokusetshenziswa komhlaba sekufakiwe, isisombululo esiphezulu sivame ukuncintisana kakhulu emizileni yesikhathi eside.
Izinkomba ezivela kumaProjekthi Athunyelwe
Ama-conveyor trestles esikhathi eside nezakhiwo zensimbi zezinhlelo zokubamba amalahle ziwumugqa womkhiqizo okhethekile we-Xuzhou ZM-Besta, omboza iketango eligcwele kusukela ekuklanyweni nasekukhiqizeni kuye ekuhlinzekeni nasekufakweni. Amaphrojekthi alethiwe afaka:
| Iphrojekthi | Imingcele yesakhiwo | Ububanzi bokulethwa |
| Uhlelo lokuphatha amalahle lwephrojekthi engu-2 × 350 MW ehlanganisiwe yokushisa namandla e-Turpan | Ubude obuphelele: 145 m; ububanzi: 107 m | I-EPC: ukwakheka kohlaka lwesikhala, ukuthengwa kwempahla, ukwenziwa, kanye nokufakwa |
| Uhlaka lwesikhala sokuphatha amalahle sesikhungo sikagesi esinamayunithi angu-2 × 1,000 MW | Ubude: 121.8 m; ubude: 388 m | Ukuklama, ukwenziwa, ukuhlinzeka, nokufaka |
| Uhlaka lwesikhala segceke lamalahle endaweni yokuphehla amandla ashisayo | Ubude begceke lamalahle: 214 m; ububanzi: 107 m | Ukulethwa kwe-EPC; Isheduli yezinyanga ezi-5 |
| Iphrojekthi ebanzi yokusebenzisa igesi yamalahle endaweni yokupheka | Ama-conveyor trestles, ama-pipe racks, nezakhiwo zensimbi | Ukwenziwa |
Yasungulwa ngo-2006, i-Xuzhou ZM-Besta isohlwini lwe-Beijing Stock Exchange (ikhodi yesitoko: 920057) futhi ibalwa phakathi kwezinkampani eziqhudelana eziphezulu zaseChina ezingama-50 embonini yesakhiwo sensimbi. Le nkampani isebenzisa izisekelo ezinhlanu zokukhiqiza ezinendawo yefekthri engu-300,000 m², iphethe ukufaneleka kwekilasi A elikhethekile lokuklama ubunjiniyela besakhiwo sensimbi elula, ukufaneleka kwebanga elikhethekile lokukhiqiza isakhiwo sensimbi, kanye neziqu zeBanga I zenkontileka evamile yemisebenzi yokwakha. Iphinde inikeze amaklayenti aphesheya ngezinsizakalo zokuklama ngokuhambisana namazinga aseYurophu, okuhlanganisa i-EN 1090, namanye amakhodi kazwelonke.
Imibuzo Evame Ukubuzwa
I-Q1: Ingakanani i-span ephezulu ye-conveyor trestle yensimbi?
Amapayipi amapayipi avamise ukuvala izikhala kububanzi obungu-30–100 m, kuyilapho uhlaka lwesikhala kanye nezakhiwo zamagobolondo e-lattice zingadonsa ngaphezu kwamamitha ayi-100. Ubude bangempela buncike emithwalweni, ukudlidliza okubangelwa umoya, nokuhlelwa kosekelo, futhi kufanele kuqinisekiswe ngezibalo zobunjiniyela eziqondene nephrojekthi.
Q2: Ibiza malini i-steel trestle uma iqhathaniswa negalari ye-conveyor engaphansi komhlaba?
Asikho inani eliphelele lezindleko eziqondile imitha ngayinye ngoba ziyahlukahluka ngendawo kanye nezimo zephrojekthi. Ngesikhathi sokukhetha, qhathanisa izindleko zomjikelezo wokuphila ngokufaka ukwakhiwa komhlaba kanye nokwakhiwa ngaphansi komhlaba, izindleko zeshejuli, ukunakekelwa kanye nokusebenza, kanye nomhlaba ohlala kuwo. Izisombululo ezihamba phezulu zivame ukuba nenzuzo emizileni enezindawo eziningi zokuwela kanye nezibambo ezinde.
Q3: I-steel trestle ivikelwa kanjani ekugqwaleni, futhi idinga kangaki ukunakekelwa?
Izinketho ezijwayelekile zifaka amasistimu okunamathela asetshenziswa esitolo afanele izindawo zomkhathi wezimboni ze-C2–C4 noma ama-galvanizing wediphu eshisayo. Impilo yesevisi yokuklama ye-coating ingaba iminyaka engu-15-25, ngokulungiswa okukodwa kokulungisa phakathi naleso sikhathi. Kumaphrojekthi asogwini, izinga eliphezulu lokuvikela ukugqwala kanye nezikhathi zokuhlola ezimfushane ziyanconywa.
Q4: Yiziphi izindinganiso zokuklama ezingasetshenziswa kumaphrojekthi aphesheya?
Amaphrojekthi angaklanywa ngokuhambisana ne-Eurocodes efanele kanye nezidingo ze-EN 1090, noma ahlanganiswe namakhodi asebenza ezweni okuyiwa kulo. Isofthiwe yokuklama etholakalayo ihlanganisa i-PKPM, i-3D3S, i-MIDAS, ne-STAAD.Pro.
Ukuhlola indawo yokuphehla amandla, imboni kasimende, noma iphrojekthi yemboni yamakhemikhali? Sithumelele amapharamitha womzila wakho wokuthutha ukuze siwuhlole okokuqala. I-imeyili: info@xzbesta.com
