Imibhobho yoLwakhiwo lweCandelo elingenanto yoMgca woMjelo woGutyulo lweNkunkuma

Inkcazo emfutshane:

Le ngcaciso ibonelela ngemigangatho yokuvelisa inkqubo yemibhobho yokuhambisa amanzi, igesi kunye neoyile kwimizi-mveliso yeoyile kunye negesi yendalo.

Kukho amanqanaba amabini eenkcukacha zemveliso, i-PSL 1 kunye ne-PSL 2, i-PSL 2 ineemfuno eziyimfuneko zokulingana kwekhabhoni, ubulukhuni be-notch, amandla aphezulu okuvelisa kunye namandla okutsalwa.


Iinkcukacha zeMveliso

Iithegi zeMveliso

Yazisa

Ukusetyenziswa kweetyhubhu zokwakha ezineenxalenye ezingenanto kuye kwaguqula ishishini lokwakha, kubonelela ngeenzuzo ezahlukeneyo ngokubhekiselele ekugqibeleleni kwesakhiwo, ukuguquguquka kunye nokusebenza kakuhle kweendleko. Ezi payipi zineendawo ezingaphakathi ezineemilo ezahlukeneyo, ziqinisekisa amandla kunye nozinzo lwesakhiwo ngelixa zinciphisa ubunzima kwaye ziphucula ukuguquguquka koyilo. Le blogi iza kujonga kwiingenelo ezininzi zeetyhubhu zokwakha ezineenxalenye ezingenanto, igxininisa ukubaluleka kwazo kwiiprojekthi zokwakha zanamhlanje.

Ukuphucula ukuthembeka kwesakhiwo

 Imibhobho yesakhiwo enecandelo elingenantozaziwa ngomlinganiselo wazo ogqwesileyo wokuqina nobunzima. Le propati ivela kwimo yayo eyahlukileyo yecandelo elinqamlezileyo, exhathisa amandla okuxinwa nokugoba. Ngokusasaza imithwalo ngokulinganayo, le mibhobho inciphisa umngcipheko wokuguquka okanye ukudilika kwiimeko ezinzima, nto leyo eyenza ukuba ifaneleke kwiiprojekthi ezibalulekileyo zeziseko zophuhliso ezifana neebhulorho, izakhiwo eziphakamileyo kunye neendawo zemidlalo.

Amandla endalo emibhobho yesakhiwo engenamiqolo avumela abayili kunye nabayili bezakhiwo ukuba benze izakhiwo ezinexesha elide kunye namandla aphezulu okuthwala umthwalo, nto leyo ebangela izakhiwo ezibukekayo, eziphilileyo ngokwesakhiwo, nezikwaziyo ukumelana novavanyo lwexesha. Ukongeza, uzinzo lwayo oluhle kakhulu lwenza ukuba ibe lukhetho olufanelekileyo kwiindawo ezisengozini yokunyikima, okuqinisekisa ukhuseleko lwabemi kwiindawo ezisengozini yokunyikima.

Iimpawu zoomatshini zePipe ye-SSAW

inqanaba lesinyithi

amandla amancinci okuvelisa
I-Mpa

ubuncinci bokuqina koxinzelelo
I-Mpa

Ubuncinane bobude
%

B

245

415

23

X42

290

415

23

X46

320

435

22

X52

360

460

21

X56

390

490

19

X60

415

520

18

X65

450

535

18

X70

485

570

17

Ukwakhiwa kweekhemikhali zemibhobho ye-SSAW

inqanaba lesinyithi

C

Mn

P

S

V+Nb+Ti

 

Ubuninzi %

Ubuninzi %

Ubuninzi %

Ubuninzi %

Ubuninzi %

B

0.26

1.2

0.03

0.03

0.15

X42

0.26

1.3

0.03

0.03

0.15

X46

0.26

1.4

0.03

0.03

0.15

X52

0.26

1.4

0.03

0.03

0.15

X56

0.26

1.4

0.03

0.03

0.15

X60

0.26

1.4

0.03

0.03

0.15

X65

0.26

1.45

0.03

0.03

0.15

X70

0.26

1.65

0.03

0.03

0.15

Ukunyamezelana kweJiyometri kweeMibhobho zeSSAW

Ukunyamezelana kwejometri

ububanzi obungaphandle

Ubukhulu bodonga

ukuthe tye

ukungaguquguquki

ubunzima

Ukuphakama okuphezulu kwe-weld bead

D

T

             

≤1422mm

>1422mm

<15mm

≥15mm

isiphelo sombhobho 1.5m

ubude obuphelele

umzimba wombhobho

isiphelo sombhobho

 

T≤13mm

T >13mm

± 0.5%
≤4mm

njengoko kuvunyelwene

± 10%

± 1.5mm

3.2mm

0.2% L

0.020D

0.015D

'+10%
-3.5%

3.5mm

4.8mm

Uvavanyo lwe-Hydrostatic

inkcazo yemveliso1

Ukuguquguquka koyilo

Enye yezona nzuzo ziphambili zeepayipi zesakhiwo ezineendawo ezingenanto kukuguquguquka koyilo lwazo. Iindidi ngeendidi zeemilo ezikhoyo, ezifana noxande, ungqukuva kunye nosikwere, zivumela abakhi bezakhiwo kunye neenjineli ukuba benze izakhiwo ezibonakala zintle ezidibana kakuhle neendawo ezibangqongileyo. Ukukwazi ukudibanisa iimilo ezahlukeneyo kunye nobukhulu kuphucula ngakumbi ukuguquguquka koyilo ukuhlangabezana neemfuno ezahlukeneyo zalo naliphi na iprojekthi.

Iipayipi ezakhiweyo ezinemiqolomba zidlala indima ebalulekileyo kwizenzo zokwakha ezizinzileyo. Ubunzima bazo bunciphisa ubungakanani bezinto ezifunekayo ukwakha isakhiwo, ngaloo ndlela zinciphisa impembelelo yokusingqongileyo. Ukongeza, ukuguquguquka kwazo kuvumela ukuhlanganiswa nokuqhekeka lula, nto leyo eyenza ukuba zisetyenziswe kwakhona kwaye kuncitshiswe ukuveliswa kwenkunkuma ngexesha lokwakha nokudilizwa.

Ukubalwa kobude beWelding yePipe ejikelezayo

Ukusebenza kakuhle kweendleko

Ukongeza kwiingenelo zesakhiwo kunye noyilo, iityhubhu zesakhiwo ezingenanto zibonelela ngeengenelo ezibalulekileyo zokonga iindleko. Imfuneko yezinto ezixhasayo iyancitshiswa, nto leyo esusa isidingo sokuqinisa kakhulu, nto leyo ebangela ukonga iindleko ngokubanzi. Ubunzima bazo bukwanciphisa iindleko zokuthumela, nto leyo ebenza babe lukhetho olungabizi kakhulu kwiiprojekthi ezinebhajethi encinci.

Ezi mbhobho zibonelela ngokonga iindleko ixesha elide ngenxa yokuqina kwazo okuphezulu kunye neemfuno eziphantsi zokugcinwa. Ukuxhathisa kwazo ukugqwala kunye neemeko zokusingqongileyo kunokunciphisa iindleko zokulungisa kunye nokutshintsha ubomi besakhiwo. Ukongeza, kulula ukuzifaka, nto leyo enciphisa iindleko zomsebenzi, nto leyo evumela ukwakhiwa ukuba kugqitywe ngexesha elifanelekileyo.

Ukuququmbela

Ukufakelwa kwemibhobho yesakhiwo esineenxalenye ezingenanto ngokungathandabuzekiyo kutshintshe ishishini lokwakha, kubonelela ngomgangatho ophuculweyo wesakhiwo, ukuguquguquka koyilo kunye nokusebenza kakuhle kweendleko. Ngokufezekisa ulungelelwaniso olugqibeleleyo phakathi kwamandla kunye nobunzima, le mibhobho ibonelela ngozinzo olungenakuthelekiswa nanto ngelixa ivumela abakhi bezakhiwo kunye neenjineli ukuba baveze ubuchule babo. Ukongeza, iipropati zabo ezizinzileyo zinegalelo kwizenzo zokwakha ezinobuhlobo nokusingqongileyo. Njengoko ishishini lokwakha lehlabathi liphela liqhubeka nokukhula, iityhubhu zesakhiwo esineenxalenye ezingenanto ziya kuqhubeka nokuba yimpahla ebalulekileyo ekwakheni izakhiwo ezibalaseleyo nezihlala ixesha elide eziya kuma uvavanyo lwexesha.


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