Ukuqonda izinzuzo ze-ASTM A139 Shicam Steel Pipe ngamaphayiphu wegesi angaphansi komhlaba

Yethula:

Uma kukhulunywa ngokuhamba kwegesi yemvelo, ukubaluleka kwamapayipi angaphansi komhlaba akunakweqiwa. Lawa mapayipi aqinisekisa ukulethwa okuphephile futhi okusebenzayo kwalawa mandla abalulekile emakhaya, amabhizinisi kanye nasembonini. Ukuqinisekisa isikhathi eside, ukuthembeka nokuqina kwalawa mapayipi, ukusetshenziswa kwezinto ezisezingeni eliphakeme kubalulekile. Phakathi kwezinketho eziningi ezitholakalayo,I-ASTM A139I-Spiral Steel Pipe ivelele njengenketho ekhethekile. Kule bhulogi, sizongena kwizici nezinzuzo ezenzaI-ASTM A139impahla yokuzikhethela yamapayipi egesi emvelo engaphansi komhlaba.

Impahla yemishini

Ukwakheka kwamakhemikhali

Ukuhlolwa kweHydrostatic

Ubude bepayipi ngalinye buzovivinywa ngumenzi ngengcindezi ye-hydrostatic ezokhiqiza odongeni lwamapayipi ingcindezi engaphansi kwamandla ka-60% acacisiwe amancane okushisa avumayo ekushiseni kwegumbi. Ingcindezi izonqunywa yi-equation elandelayo:
P = 2st / d

Ukuhlukahluka okuvumelekile ezinsimbi nasezilinganiso

Ubude bepayipi ngalinye buzosindwa ngokwehlukana futhi isisindo salo ngeke bahlukane ngaphezu kwe-10% ngaphezulu noma ngo-5.5% ngaphansi kwesisindo salo sethiyori, kubalwa kusetshenziswa ubude bayo nobude bayo ngeyunithi ngayinye ubude kanye nesisindo sayo ngeyunithi yayo ubude kanye nesisindo sayo ngeyunithi yayo ngayinye ubude.
Ububanzi obungaphandle ngeke buhluka kakhulu kune- ± 1% kusuka kububanzi obucacisiwe bangaphandle.
Ubukhulu bodonga nganoma yisiphi isikhathi ngeke bungabi ngaphezu kwe-12,5% ngaphansi kobukhulu obudongeni obucacisiwe.

Ubude

Ubude obungahleliwe obungahleliwe: 16 kuya ku-25ft (4.88 kuya ku-7.62m)
Ubude obungahleliwe obuphindwe kabili: ngaphezulu kwe-25ft kuya ku-35ft (7.62 kuye ku-10.67m)
Ubude be-Uniform: Ukuhluka okuvumelekile ± 1in

Iphelela

Izinselo zamapayipe zizofakwa iziphetho ezicacile, nemibungu emaphethelweni izosuswa
Lapho ipayipi liphela lichazwe ukuba yi-Bevel Ends, i-angle izoba ngama-30 kuye kwangama-35 degree

I-ASTM A139: Ukukhetha kweNgaphansi komhlaba ipayipi lemvelo lemveloImigqa:

1. Amandla nokuqina:

I-ASTM A139Spiral Steel Pipeyaziwa ngamandla ayo amahle kakhulu we-Tensile. Lezi zimfanelo zibalulekile kumapayipi wemvelo wemvelo engaphansi komhlaba ngoba ahlala evezwa ezinhlobonhlobo zengcindezi yengcindezi yezemvelo naphansi engaphansi komhlaba. Ukuklanywa komoya wepayipi lensimbi kuthuthukisa ubuqotho bayo obuhlelekile, ukuvumela ukumelana nezingcindezi zangaphandle eziphakeme futhi kunciphise ubungozi bokuvuza noma ukubhema.

2. Ukumelana nokugqwala:

Amapayipi angaphansi komhlaba atholakala ekugqwalisweni okubangelwa amanzi, amakhemikhali enhlabathi nezinye izinto. I-ASTM A139 Spiral Steel Pipe ixazulula le nkinga ngokunikeza ukumelana nokuqina okuphezulu. Lokhu kungenxa ye-coating yayo ecebile ye-zinc, enikeza isithiyo esivikelayo ekulweni nezinto eziwonakalayo, kuqinisekiswe isikhathi eside sepayipi futhi kunciphise isidingo sokulungiswa njalo noma okunye.

3. I-WelLaty kanye ne-Provatility:

I-ASTM A139 Spiral Steel Pipe ine-waldatall enhle kakhulu, ivumela amalunga abushelelezi, asebenza kahle ngesikhathi sokufakwa. Lesi sici sizuzisa ikakhulukazingaphansi kwamapayipi egesi yemvelo, njengoba iqinisekisa ubuqotho bohlelo lwepayipi futhi lunciphise ubungozi bokuvuza. Ngokwengeziwe, ukuguquguquka okuhlukahlukene kwepayipi e-Spiral Spiral Kuyavumela ukukhiqizwa kalula ngobude obuhlukahlukene kanye namadayimitha ukuhlangabezana nezidingo ezahlukahlukene zephrojekthi, ngaleyo ndlela kusiza ekusebenzeni kwezindleko nokwenza ngokwezifiso.

4. Ukusebenza KAKHULU:

Enye inzuzo ebalulekile yokusebenzisa i-ASTM A139 Spiral Steel Pipe ngamaphayiphu wemvelo wemvelo angaphansi kwezindleko. Ukuqina kokuqina, ukumelana nokugqwala kanye nokufakwa kalula kwehlisa ukulungiswa kwesikhathi eside nezindleko zokubuyiselwa. Ngokwengeziwe, isilinganiso saso samandla aphezulu-esisindo sinciphisa isidingo sezinhlaka zokusekelwa okubanzi ngesikhathi sokufakwa, okuholela ekugcinweni kwezindleko jikelele.

5. Ukucatshangelwa Kwezemvelo:

I-ASTM A139 Spiral Steel Pipe yenziwa kusetshenziswa izinqubo ezinobungani zemvelo futhi inamathela kumazinga okuphepha aqinile. Izakhiwo zayo zokulwa nokukhulisa zisiza ukuvikela ukuvuza kwegesi, ekugcineni ukunciphisa umthelela wezemvelo. Ngokwengeziwe, ukuhlinzwa kwensimbi kwenza kube inketho enobungani bemvelo, okugcizelela futhi izinzuzo ezizinzile zokusebenzisa ipayipi le-ASTM A139

Ekuphetheni:

Ukukhetha izinto ezifanele zamapayipi emvelo wemvelo wemvelo kubalulekile ekuqinisekiseni ukuthutha okuphephile, okusebenzayo futhi okuthembekile kwalo mthombo wamandla obalulekile. I-ASTM A139 Spiral Steel Pipe iyisinqumo esihle kakhulu ngenxa yamandla ayo, ukuqina, ukumelana nokugqwala, ukufudumala, ukusebenza kwezindleko, nokucatshangelwa kwezemvelo kanye nokucatshangelwa kwemvelo. Izakhiwo zayo ezihlukile zikwenza kube ukukhetha kokuqala konjiniyela kanye nabaphathi bephrojekthi babheke ukwakha amapayipi egesi emvelo azoma esivivinyweni. Ngokutshala imali ngezinto ezisezingeni eliphakeme njenge-ASTM A139 Spiral Steel Pipe, singaqinisekisa ingqalasizinda yemvelo yokusatshalaliswa kwegesi yemvelo eqhubekayo futhi ephephile yezizukulwane ezizayo.