He mea nui ngā ngongo maitai tui me te whakarewa hei wāhanga matua o te ahumahi hou.
Ko ngā whakaritenga o ēnei ngongo e tautuhia ana e te diameter o waho (OD), te matotoru o te pakitara (WT) me te roa (L), ko te tatau i te taumaha o te ngongo maitai e ahu mai ana i ēnei tawhā ā-ahu me te mātotoru (ρ) o te rauemi. Mō te whakamahere kaupapa, te whakahaere utu me te whakahaere mahi, he mea nui te tatau tika i te taumaha o te paipa maitai. E whakaatu ana tēnei tuhinga i ngā tikanga e toru mō te tatau i te taumaha o ngā ngongo maitai, ā, e whakaatu ana me pēhea te whakamahi me ngā tauira mahi.
Tātaitanga Taketake o te Taumaha Paipa
Ka taea te whakatau tata i te taumaha o tētahi paipa maitai mā te tatau i tōna rōrahi whakareatia ki te mātotoru o te maitai.
Mō ngā paipa maitai porowhita (tae atu ki ngā paipa tuitui me ngāngā paipa maitai kua whakarewaina), ka tatauhia te taumaha penei:
Taumaha(kg)=×(OD2-(OD-2×WT)2)×L×ρ
ODko te diameter o waho o te paipa maitai i roto i ngā mita (m);
WTko te matotoru o te pakitara o te paipa maitai i roto i ngā mita (m);
Lko te roa o te paipa maitai i roto i ngā mita (m);
ρko te mātotoru o te maitai, mō te maitai waro noa, tata ki te 7850kg/m3.
Te raupaparorohiko māmā: ngā waeine emepaea
Taumaha（lb/ft)=(OD (in)−WT (in))×WT (in)×10.69
ko te 10.69 he tauwehe i tatauhia mai i te kiato o te maitai me te huringa waeine i whakamahia hei huri i ngā ine mai i te inihi ki te pauna mō ia putu o te roa.
Ngā Tātaitanga Tauira
Ki te whakaaro he wāhanga oPaipa maitai ERWme te whānui o waho he 10 inihi, me te matotoru o te pakitara he 0.5 inihi, tātaihia te taumaha mō ia putu o te roa: Taumaha (lb/ft) = (10-0.5) x 0.5 x 10.69
Ko te taumaha mō ia putu o te roa o tēnei paipa rino e tata ana ki te 50.7775 pauna.
Rautaki māmā: ngā waeine ine
Taumaha (kg)=(OD−WT)×WT×L×0.0246615
Ko te OD te diameter o waho o te paipa maitai, i roto i ngā mita (mm);
Ko te WT te matotoru o te pakitara o te paipa maitai i roto i ngā mita (mm);
Ko L te roa o te ngongo i roto i ngā mita (m);
Ko te 0.0246615 e ahu mai ana i te mātotoru o te maitai (tata ki te 7850 kg/m³) me te tauwehenga huringa wae.
Ngā Tātaitanga Tauira
Me kī hepaipa maitai kore-tuituiko te whānui o waho he 114.3 mm, ko te matotoru o te pakitara he 6.35 mm, ā, ko te roa he 12 m. Tātaihia te taumaha o te paipa mā te whakamahi i te tātai māmā i runga ake nei:
1. Tātaihia te rerekētanga i waenga i te diameter me te matotoru o te pakitara: 114.3 - 6.35 = 107.95. 2.
2. Tātaihia te taumaha mā te whakakapi i te tātai: 107.95 × 6.35 × 12 × 0.0246615. 3.
3. Ko te hua ko: 202.86
Nō reira, ko te taumaha katoa o te paipa he tata ki te 202.86 kg.
Ko ngā tauwehenga 10.69 me te 0.0246615 i roto i te tātai e ahu mai ana i te mātotoru toharite o te maitai. Tērā pea he rerekē ngā mātotoru o ngā momo maitai rerekē (hei tauira, te maitai kore waikura, te maitai koranu, me ētahi atu), ā, me whakarerekē ngā tauwehe kia rite ki tēnā.
Mā ēnei tātaitanga ka kitea he whakatau tata mō te taumaha okore honongame ngā ngongo maitai kua whakarewaina. Nā te rerekētanga o ngā mātotoru rauemi, ngā ātete hanga, me ētahi atu āhuatanga, ka rerekē pea ngā taumaha tuturu.
Tērā pea ka rerekē ngā taumaha tuturu i runga i ngā āheinga hanga me te mātotoru o ngā rauemi, nō reira he whakatau tata noa iho tēnei tātai. Mō te tatau tika i te taumaha, e taunakihia ana kia tirohia e koe ngā raraunga i whakaratohia e te kaihanga, kia tangohia rānei e koe ngā ine tuturu.
Mō ngā tataunga hangarau tika, ngā whakatau utu arumoni rānei, e taunakihia ana kia whakamahia he raraunga taipitopito ake, kia whakapā atu rānei ki ngā kaiwhakarato paipa maitai mō ngā mōhiohio taumaha tika.
He wāhanga nui ngā tataunga taumaha paipa o te hoahoa hangarau me te whakahaere utu, ā, he māramatanga tika me te whakamahinga o ēnei tataunga. E tika ana tēnei tikanga tataunga mō ngā paipa rino kore hononga he angiangi te matotoru o te pakitara. Mēnā he tino matotoru te pakitara o ngā ngongo rino kore hononga, me whai whakaaro pea ki ngā tataunga uaua ake.
ngā tohu: taumaha paipa, paipa maitai, tui kore, whakarewahia.
Te wā tuku: 27-Pepuere-2024