Na u batla ho tseba haholoanyane ka litlhaloso le boholo ba liqubu tsa tšepe?
Li-Pil tsa tšepe tsa GB/T 20933 tse Chesitsoeng ka ho Fetisisa tsa Q235B Q355B tsa U-Type le Z-Type
Qaqiso ea Sehlahisoa
| Tšobotsi | Tlhaloso |
|---|---|
| E tloaelehileng | GB/T 20933 |
| Sehlopha | Q235B / Q355B |
| Mofuta | Liqubu tsa Lipampiri tsa Tšepe tsa Mofuta oa U / Mofuta oa Z / Larssen |
| Tlhahiso | Qubu ea Lipampiri tsa Tšepe e Metsuoang e Chesang |
| Bolelele | 6m – 18m (Liqubu tsa Maqephe a Bolelele bo Ikhethileng) |
| Bophara | 400mm – 900mm (Ho latela boemo ba profaele) |
| Botenya | 6mm – 25mm |
| Bokaholimo | Qetello ea Mill / Galvanized / E koahetsoeng |
| Setoko se Loketse | Lithane tse 1000+ lia fumaneha |
| E rometsoe ho | Asia Boroa-bochabela / Bochabela bo Hare / Amerika |
| Thomello | Theko e tobileng ea fektheri, Matsatsi a 7–15 |
Sebopeho sa lik'hemik'hale sa Q235B Q355B ea tšepe e chesang e phutholohileng ea GB/T 20933
| Kereiti ea Tšepe | C | Mn | P | S | Si |
|---|---|---|---|---|---|
| Q235B | ≤0.22% | 0.30–0.70% | ≤0.045% | ≤0.045% | ≤0.35% |
| Q355B | ≤0.20% | 1.00–1.60% | ≤0.035% | ≤0.035% | ≤0.55% |
GB/T 20933 Hot Rolled Q235B Q355B Steel Sheet Pile Thepa ea Mechanical
| Kereiti ea Tšepe | Matla a Tekanyo | Matla a tšepe | Ho lelefatsa | Matla a Tšusumetso |
|---|---|---|---|---|
| Q235B | ≥235 MPa | 370–500 MPa | ≥26% | ≥27 J |
| Q355B | ≥355 MPa | 470–630 MPa | ≥22% | ≥27 J |
Tlhaloso:
Matla a Tlhahiso (ReH): Matla a tlhahiso, khatello eo tšepe e qalang ho fetoha ha polasetiki ho eona.
Matla a ho Tenyetseha (Rm): Matla a ho thapolla, khatello e phahameng ka ho fetisisa pele tšepe e robeha.
Ho Lelefatsa (A%): Ho lelefatsa, peresente ea thepa e lelefalitsoeng pele ho robeha, e bonts'a ho tiea.
Matla a Tšusumetso (J): Ho tiea ha tshusumetso (Charpy V-notch), boleng bo sebediswang hangata ho 20°C, bo loketse ditlhoko tsa tikoloho ya kaho.
GB/T 20933 Hot Rolled Q235B Q355B Steel Sheet Pile Size
| Karolo | Bophara | Bolelele | Botenya | Sebaka se Tšeletseng | Boima ba 'mele | Modulus ea Karolo e Tenyetsehang | Motsotso oa Bofokoli | Sebaka sa ho Koahela (mahlakore ka bobeli ka qubu) | ||
|---|---|---|---|---|---|---|---|---|---|---|
| (w) | (h) | Sekoahelo (tf) | Web (tw) | Ka Phae | Ka Lebota | |||||
| mm | mm | mm | mm | cm2/m | kg/m | kg/m2 | cm3/m | cm4/m | m2/m | |
| Mofuta oa II | 400 | 200 | 10.5 | - | 152.9 | 48 | 120 | 874 | 8,740 | 1.33 |
| Mofuta oa III | 400 | 250 | 13 | - | 191.1 | 60 | 150 | 1,340 | 16,800 | 1.44 |
| Mofuta oa IIIA | 400 | 300 | 13.1 | - | 186 | 58.4 | 146 | 1,520 | 22,800 | 1.44 |
| Mofuta oa IV | 400 | 340 | 15.5 | - | 242 | 76.1 | 190 | 2,270 | 38,600 | 1.61 |
| Mofuta oa VL | 500 | 400 | 24.3 | - | 267.5 | 105 | 210 | 3,150 | 63,000 | 1.75 |
| Mofuta oa IIw | 600 | 260 | 10.3 | - | 131.2 | 61.8 | 103 | 1,000 | 13,000 | 1.77 |
| Mofuta oa IIIw | 600 | 360 | 13.4 | - | 173.2 | 81.6 | 136 | 1,800 | 32,400 | 1.9 |
| Mofuta oa IVw | 600 | 420 | 18 | - | 225.5 | 106 | 177 | 2,700 | 56,700 | 1.99 |
| Mofuta oa VIL | 500 | 450 | 27.6 | - | 305.7 | 120 | 240 | 3,820 | 86,000 | 1.82 |
GB/T 20933 Hot Rolled Q235B Q355B Steel Sheet Pile Locking le tshebetso e sa keneleng metsi
Moralo: Qubu ea Leqephe la Tšepe le Kopanetsoeng, ho kenella ha metsi ≤1×10⁻⁷ cm/s
Linaha tsa Amerika: E fihlela Tekanyetso ea ASTM D5887 bakeng sa Liner ho Fokotsa ho Dutla ha Meropa
Asia Boroa-bochabela: Metsi a ka tlas'a lefatše a ke ke a kena ka lebaka la linako tsa pula tsa tropike
Mokhoa oa tlhahiso ea GB/T 20933 Hot Rolled Q235B Q355B Steel Sheet Pile
1. Khetho ea Lisebelisoa tse Tala
Li-billet tsa tšepe tsa sebopeho sa khabone tsa boleng bo holimo (Q235B / Q355B) li khethoa ka hloko le ho lekoa ho netefatsa hore motsoako oa lik'hemik'hale o fihlela litekanyetso tsa GB/T 20933.
2. Ho Futhumatsa ha Li-billet
Li-billet tsa tšepe li futhumatsoa ka sebōping se futhumatsang se tsoelang pele ho fihlela hoo e ka bang1150–1250°C, ho netefatsa mocheso o ts'oanang bakeng sa ts'ebetso e ntle ea ho phutholla.
3. Ho Rola ho Qalang (Ho Rola ho sa Lokang)
Li-billet tse futhumetseng li fetisoa ka har'a li-mill tse phutholohileng ho fokotsa botenya le ho theha libopeho tsa pele.
4. Qetella ho Phetha
Tšepe e sebetsoa hape ka ho qeta limilo ho fihlela litekanyo tse nepahetseng, botenya le thepa ea mechini e hlokahalang bakeng sa liqubu tsa maqephe.
5. Ho theha Profaele
Ka ho sebelisa lisebelisoa tse khethehileng tsa ho phutholla, tšepe e bōptjoa kaLiqubu tsa maqephe a mofuta oa U kapa mofuta oa Z, ho netefatsa hore mathoko a hokelana a nepahetse bakeng sa ts'ebeliso ea kaho.
6.Ho Pholisa ho Laoloang
Liqubu tsa maqephe li pholisoa ke moea o laoloang kapa li pholisoa ka potlako ho ntlafatsa sebopeho sa lijo-thollo le ho fihlela matla le ho tiea ho hlokahalang.
7. Ho otlolla le ho hokahanya
Liqubu tsa maqephe tse felileng li otlolloa ka ho sebelisa mechine ea ho lekalekanya ho netefatsa ho nepahala ha litekanyo le ho lekalekana hantle.
8. Ho itšeha le ho iketsetsa bolelele
Liqubu tsa tšepe li khaoloa ka bolelele bo hlokahalang (hangata6m–18m) ka ho qeta kapa ho bevel ka boikhethelo.
Sebaka sa Q235B Q355B sa tšepe se phutholohileng ka ho Fetisisa sa GB/T 20933
Linaha tsa Amerika:HDG e le ASTM A123 (seaparo sa zinki sa bonyane ≥ 85 µm); Seaparo sa 3PE ke sa boikhethelo; liphetho tsohle li latela RoHS.
Asia Boroa-bochabela:Botebo ba galvanized e chesang ke hollyh (e fetang 100μm), mme ho sebediswa dikarolo tse pedi tsa sekontiri sa epoxy mashala, e ka fafatswa ka letsoai mme ya lekoa ka dihora tse 5000 ntle le mafome, ke yona e molemohali bakeng sa tshebediso ya tikoloho ya lewatle ya tropike.
KOPO
1. Qhobosheane ea Tšepe ea Kaho ea Kou:E sebelisetsoa ho haha likou, libaka tsa ho koalla likepe le mabota a koung, e fana ka tšehetso e matla ea sebopeho le ho tšoarella nako e telele libakeng tsa leoatle.
2. Qhobosheane ea Tšepe ea Tšireletso ea Riverbank:E etselitsoe ho tsitsisa mabopo a noka, ho thibela khoholeho ea mobu, le ho sireletsa khahlanong le tšusumetso ea phallo ea metsi le likhohola.
3. Qhobosheane ea Tšepe ea Motheo oa Borokho:E sebelisoa kahong ea borokho ho fana ka tšehetso e tebileng ea motheo le ho netefatsa botsitso ba sebopeho tlas'a meroalo e boima.
4. Sebopeho sa Ka tlas'a Lefatše sa Tšepe Qhobosheane:E sebelisoa ka har'a likamore tse ka tlas'a lefatše, lithaneleng le lits'ebeletsong tse ka tlas'a lefatše ho fana ka ts'ehetso e tšepahalang ea ho boloka mobu le ho cheka.
Hobaneng o ka Khetha China Royal Steel bakeng sa Liqubu tsa Lipampiri tsa Lipampiri tsa Tšepe
1. Matla a Phahameng le ho Tšoarella
Mekhahlelo ea Tšepe ea Q235B le Q355B e Fana ka Tlhahiso e Ntle le Matla a ho Tenyetseha, Bokhoni bo Botle ba ho Jara Mojaro le Botsitso ba Sebopeho ka Nako e Telele Tikolohong e Matla ea Kaho joalo ka Ts'ebeliso ea Metsing le Motheong.
2. Liprofaele tse ngata lia fumaneha
Re fana kaLiqubu tsa maqephe a mofuta oa U le mofuta oa Zka litsamaiso tse nepahetseng tsa ho notlela, tse fang mohahi letoto la likhetho tse tenyetsehang tsa moralo ho fihlela litlhoko tse fapaneng tsa boenjiniere ho kenyeletsoa mabota a ho boloka, li-cofferdams le metheo e tebileng.
3. Likhetho tsa ho Hanela ho Silafala
Qetello ea bokaholimo Phekolo ea galvanizing e chesang le e thibelang mafome. Tšebeletso ea ho tšoarella e ntlafetse haholo, lihlahisoa tsena li ka sebelisoa bakeng sa tikoloho e feteletseng joalo ka metsi a leoatle, lebopong la noka, sebaka se mongobo o phahameng jj.
4. Ho feto-fetoha ha maemo ho tenyetsehang
Re tšehetsa ho iketsetsa bolelele ka botlalo (6m–18m), botenya, bophara, le ts'ebetso e khethehileng (ho seha, ho phunya, kalafo ea mathoko) ho fihlela litlhoko tse ikhethileng tsa moralo oa projeke le boenjiniere.
5. Thepa e Kholo le ho Fumaneha ka Potlako
Ka lithane tse fetang 1000+ tsa thepa e seng e loketse, re netefatsa hore ho sebetsoa ka potlako ha odara le phepelo e tsitsitseng, re thusa bareki ho fokotsa tieho ea projeke le khatello ea thepa.
6. Litheko tse tobileng tsa fektheri
Re fana ka thepa ka kotloloho ho tsoa fekthering ea rona 'me ha ho na motho ea mahareng, e leng se re lumellang ho u fa theko e ntle ka ho fetisisa, boleng bo tsitsitseng le tšebeletso e theko e tlaase bakeng sa liodara tse ngata le merero ea nako e telele.
HO PHAKISA LE HO ROMELA
Ea ronaliqubu tsa tšepeli pakiloe ka thata ka marapo a tšepe a nang le protheine e ngata a tsamaeang le likhutlo tse sireletsang ho qoba ho kobeha kapa ho taboha nakong ea ho sebetsana le tsona. Bakeng sa liqubu tse pentiloeng ka galvanized kapa tse pentiloeng, ho phuthela ka ho nyenyefatsa kapa ho koahela ka lesela ho ka fanoa e le khetho ea ho sireletsa khahlanong le mafome nakong ea ho romelloa ha likepe nako e telele kapa likepeng. Liqubu li ka romelloa ka lijana, liraka tse bataletseng, thepa e ngata 'me ho tsamaisoa hohle ho etsoa ka maemo a tšireletso a tiileng ho netefatsa hore u fumana liqubu li le boemong bo botle sebakeng sa hau matsatsing a 7 - 15.
LBH
P1: Ke dikereiti dife tsa tshepe tseo o di fanang bakeng sa diqubu tsa masela?
A: Re fana ka likereiti tsa GB/T 20933 Q235B le Q355B, tse loketseng liqubu tsa maqephe a mofuta oa U le mofuta oa Z.
P2: Na nka fetola bolelele, bophara, kapa botenya ba liqubu tsa maqephe?
K: E, re fana ka tlhophiso e felletseng ea litekanyo (bolelele ba 6–18m, botenya ba 6–25mm, bophara ho latela profil) ho fihlela litlhoko tsa projeke.
P3: Nako e tloaelehileng ea ho pepa ke efe?
K: Thomello e tobileng fekthering hangata e nka matsatsi a 7-15, ho latela bongata ba odara le moo e yang teng.
P4: Na le fana ka mangolo a tlhahlobo?
K: E, re fana ka litlaleho tse felletseng tsa liteko tsa mochini oa GB/T 20933, litifikeiti tsa liteko tsa mechini le tsa lik'hemik'hale, le litokomane tse ling tsa tlhahlobo ha li kopuoa.
P5: Li-sheet pile tsa hao li loketse lits'ebetso life?
K: Ditshebediso tse tlwaelehileng di kenyeletsa taolo ya dikgohola, kaho ya lewatle, mabota a sireletsang, di-cofferdam, tshehetso ya motheo, kaho ya boemakepe le tshireletso ya lebopong la noka.
Ngola molaetsa oa hau mona 'me u o romelle ho rona
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