Ị na-azụta ụlọ mmepụta ihe nchara nchara n'aka onye na-ebubata ndị China. Ị nwere mmasị na eserese na nkwuputa. Mgbe ahụ, tupu ị bịanye aka n'akwụkwọ, ikike nyocha ihe osise mpaghara na-ekwu otu ihe: agaghị anabata eserese ndị ahụ.
Nke a abụghị ọdịda ogo - ọ bụ ọdịda koodu. Koodu imewe bụ asụsụ mpaghara nke injinia. Chepụta otu ụlọ ahụ ka ọ bụrụ koodu dị iche iche wee nweta nha igwe dị iche iche, nha ndị otu, ịbịaru omimi na ọnụahịa. Họrọ koodu na-ezighi ezi, na ịrụgharị ọrụ na-amalite ọzọ site na nhazi nhazi.
Edemede a na-akọwa ihe anọ: ebe nke ọ bụla n'ime usoro koodu anọ dị mkpa na-emetụta, ka akara ule ihe dị na ibe ya, otu ihe ọrụ oyi na-atụ na-emekarị, na ihe ị ga-ede na RFQ gị.
Sistemụ koodu isi anọ: Lee ebe onye ọ bụla na-etinye na nlele
Koodu imewe site na mpaghara
| Mpaghara/ụdị oru ngo | Usoro koodu imewe | Koodu ibu | Akara akara nchara nkịtị |
| US / Amerika | AISC 360 | ASCE 7 | A36 / A572 Gr.50 / A992 |
| Europe, Middle East na ọtụtụ n'ime Africa | Eurocode 3 (EN 1993) | EN 1991 | S235 / S275 / S355 |
| UK (ọrụ aka ochie) | BS 5950 | BS 6399 | S275 / S355 |
| Ọrụ ndị China na ndị China na-edu na mba ofesi | GB 50017 | GB 50009 | Q235B / Q355B |
| Obodo ndị ọzọ | Na-emekarị Eurocodes ma ọ bụ koodu mpaghara | Dabere na obodo | A ga-akwado ya na ndị injinia mpaghara |
Atụmatụ abụọ:
- BS 5950 ka Eurocodes nọchiri ya ma na-apụta naanị n'ụfọdụ nkọwapụta oru ngo. Ọrụ UK ọhụrụ na-esochi koodu Euro yana mgbakwunye mba UK.
- Ọstrelia/New Zealand na-eji AS 4100, nke ụfọdụ ọrụ agwaetiti Pacific na-ezute. Ọtụtụ ọrụ mba ụwa na-ahọrọ n'etiti koodu Euro na ụkpụrụ US.
Ihe mere otu ụlọ ahụ ji enweta ọnụ ahịa dị iche iche
Usoro ọ bụla dị iche na nchikota ibu, ihe nchekwa na mgbanaka. AISC na-eji ihe nguzogide LRFD; koodu Euro na-eji ihe nchekwa akụkụ γM. N'otu ọkwa ọkwa 355 MPa ahụ, nrụgide ndị a na-anabata na-apụta nso n'akụkụ abụọ, mana akụkụ ndị otu na tonna nchara dị iche n'ihu. Na mpaghara ikuku dị elu, ASCE 7 na EN 1991 na-emeso ọnụọgụ nrụgide ikuku dị iche iche, na ọdịiche nke tonna na-egosi ozugbo na ọnụahịa.
Ya mere, ndị na-ebubata ihe abụọ na-arụ ọrụ na koodu dị iche iche na-ehota ụlọ abụọ dị iche iche. Ngụ ndị atụnyere chọrọ koodu na-agbanwe agbanwe.
Nkewa ọkwa ihe akụrụngwa: Odika adịghị apụta nhata
Nhata Ọkwa Ọkwa
| China GB/T 1591 | Europe EN 10025 | US ASTM | Mpụta ike |
| Q235B | S235JR | A36 | 235/250 MPa |
| Q355B | S355JR | A572 Gr.50 | 355/345 MPa |
| Q355C | S355J0 | - (kwa ihe mgbakwunye chọrọ) | 355 MPa |
| Q355D | S355J2 | - (kwa ihe mgbakwunye chọrọ) | 355 MPa |
Q355B ≈ S355JR ≈ A572 Gr.50. Ike mkpụrụ dị n'otu oke. Mana "ihe dị ka" na-ejide naanị akụkụ ike.
Ihe Ọrụ Oyi-Climate Arụmọrụ Ọtụtụ mgbe: Mmetụta siri ike
Akwụkwọ ozi suffix na-egosi mmetụta okpomọkụ ule:
- B/JR: Nnwale mmetụta 20°C( ihu igwe nkịtị)
- C / J0: Nnwale mmetụta 0°C
- D/J2: -20°C ule mmetụta(oke-latitude, mpaghara oyi-oyi)
N'ime ọrụ ndị dị na Canada, Northern Europe, Russia na akụkụ nke Central Asia, okpomọkụ kacha nta nke mpaghara nwere ike ịda n'okpuru -20 Celsius. N'okwu ndị a, ị ga-azụrịrị Nchara D/J2. Dochie ọkwa B nchara site na ntughari ike na-edozi akaụntụ ike mana ọ bụghị akaụntụ siri ike - yana ihe egwu nke mgbaji obere okpomọkụ na-ebufe onye nwe ya.
Nkwekọrịta ịzụrụ ga-ezipụta ọkwa ule mmetụta nke dabere na okpomọkụ imewe kacha nta na saịtị ọrụ.
Welding na Bolts Soro Usoro
| Ihe | Sistemụ Eurocode | Sistemụ ọkọlọtọ US |
| Ihe owuwu ígwè ogbugbu / ịgbado ọkụ | EN 1090 / EN ISO 15614 / 9606 | AWS D1.1 |
| Ihe mkpuchi dị elu | Ọkwa 10.9 (ISO 898-1) | F3125 A325/A490 |
| Asambodo ihe | EN 10204 Ụdị 3.1 / 3.2 | Akụkọ Ule Mill |
Enweghị ike ịgbanwe bolts naanị site n'ịgbanwe sentimita na millimita. US-ọkọlọtọ A490 chọrọ nrụnye nrụnye dị elu karịa ihe mgbawa nke China 10.9S. N'ihi na mwepu ọnụọgụ nke esemokwu n'elu: sandblasting gbakwunyere inorganic zinc-ọgaranya agba kwa Chinese omume na-enye ihe 0.45-0.5, ebe US ụkpụrụ na-eji Class A (0.30)/Class B (0.50). Enweghị nkwenye njikọ megide sistemụ kwekọrọ, a ga-edobe gị na nnabata.
Ihe anọ ị ga-ede na ọkwa RFQ
- Koodu imewe: koodu ghọtara site na oru ngo obodo - tinye ya na RFQ
- Ibu ibu parameters: nrụgide ikuku mpaghara, ibu snow na ụdị seismic (dịka ọmụmaatụ, ASCE 7 ọsọ ikuku)
- Ọkwa mmetụta ígwè: dabere na okpomọkụ kacha nta nke mpaghara, steeti B/C/D ma ọ bụ JR/J0/J2
- Ụkpụrụ mmezu & nnabataTS EN 1090 klaasị mmebe (EXC), sistemu ịgbado ọkụ, chọrọ nlekọta nke ndị ọzọ
Inweta koodu ahụ ziri ezi na ọkwa ajụjụ anaghị efu ihe ọ bụla; inweta ya na-ezighi ezi na nnabata na-akwụ ụgwọ ọrụ ọzọ.
Gịnị mere Họrọ ZM-Besta
Tọrọ ntọala na 2006, ZM-Besta bụ ụlọ ọrụ edepụtara aha n'ahịa ahịa Beijing yana ọkwa n'etiti ndị kacha 50 na ụlọ ọrụ nrụpụta nchara nke China, nwere ntọala nrụpụta ise yana 300,000 m² nke mpaghara ụlọ nrụpụta.
Ikike imepụta koodu ọtụtụ
- Otutu ngwugwu ngwanrọ imewe na-agba ọsọ n'otu oge - PKPM, 3D3S, MIDAS, STAADPRO, wdg.
- Chepụta na ndụmọdụ ọrụ maka ndị ahịa esenidụt n'okpuru otutu koodu mba ofesi
- Ahụmịhe tozuru oke na nkewa ọkwa ihe (dịka, Q355B vs S355JR)
Sistemụ asambodo
- EN 1090 European Asambodo
- Asambodo usoro atọ: ISO 9001 / ISO 14001 / ISO 45001
- Klas-A ntozu ọpụrụiche maka imewe ihe owuwu nchara ọkụ; Ọkwa-1 ntozu maka nkwekọrịta injinia nhazi nchara
Nhazi-mmepụta-nwụnye n'okpuru otu ụlọ ọrụ ga-aza ajụjụ. Koodu, ngwa, ịgbado ọkụ na nnabata na-emechi akaghị n'ime otu usoro, na kacha nta interface.
FAQ
Q1: Enwere ike ịgwakọta koodu nhazi nhazi ígwè?
A: A naghị atụ aro ya. Ngwakọta ibu, nkọwa ihe, ụzọ nhazi njikọ na oke mgbagha ga-esirịrị n'otu sistemụ pụta. Koodu agwakọta nwere ike bute ọdịda njikọ ma ọ bụ jide na nnabata. Ọ bụrụ na ntugharị aka dị mkpa n'ezie maka otu oru ngo, steeti niile nwere oke ga-enwerịrị ike iji ezigbo ihe eji eme ihe.
Q2: Nwere ike Q355B dochie S355JR ozugbo?
A: N'ọnọdụ ihu igwe nkịtị, ike na ọkwa mmetụta (20 Celsius) bụ ihe atụnyere, ya mere ngbanwe a na-anabatakarị. Mana maka ọrụ ihu igwe oyi (-klaasị-20 Celsius C), ị ga-achọ Q355D/S355J2, na usoro carbon na ịgbado ọkụ ga-enyocharịrị megide koodu oru ngo. Ekwesịrị ịkwado mkpebi ngbanwe ahụ na ederede site n'aka ndị otu imewe.
Q3: Asambodo EN 1090 dị ka imewe Eurocode?
A: Mba EN 1090 na-achịkwa mmebe nrụpụta na njikwa mmepụta ụlọ ọrụ (ihe achọrọ maka akara CE); Koodu imewe bụ EN 1993 Eurocode 3. Ha nọọrọ onwe ha, yana ọrụ Eurocode na-achọkarị ha abụọ.
Q4: Kedu nlekọta pụrụ iche dị mkpa mgbe ị na-ahọrọ ígwè maka ọrụ dị elu?
A: Isi ihe abụọ: họrọ D / J2 mmetụta akara ule dabere na mpaghara okpomọkụ kacha nta; ma weta akara ule weld siri ike yana njikwa nhata carbon ka ịzenarị mgbaji na-enwe obere okpomọkụ. Anyị na-akpọchi mmetụta ule chọrọ n'ime nkwekọrịta ịzụta dabere na ọnọdụ okpomọkụ nke ọrụ ahụ.
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