Matla a Phahameng a Meaho a Ikhethileng a 6 intshi 8 intshi a Chesang a Phutholohileng Tšepe H Beam
Mokhoa oa Tlhahiso ea Sehlahisoa
Ts'ebetso ea tlhahiso ea tšepe e tloaelehileng ea kantle e bōpehileng joaloka H hangata e kenyelletsa mehato e latelang ea mantlha:
Tokiso ea thepa e tala: Thepa e tala bakeng sa ho hlahisa tšepe e bōpehileng joaloka H hangata ke billet ea tšepe. Billet ea tšepe e hloka ho hloekisoa le ho futhumatsoa bakeng sa ts'ebetso le ho etsoa hamorao.
Ho sebetsana le ho phutholla ka mocheso: Billet ea tšepe e chesitsoeng esale pele e romeloa leloaleng le chesang bakeng sa ho sebetsa. Leloaleng le chesang le phutholla ka mocheso, billet ea tšepe e phuthoa ke lirolo tse ngata 'me butle-butle e thehoa sebopehong sa tšepe e bōpehileng joaloka H.
Ho sebetsa ka serame (ha ho hlokahale): Maemong a mang, e le ho ntlafatsa ho nepahala le boleng ba bokaholimo ba tšepe e bōpehileng joaloka H, tšepe e bōpehileng joaloka H e phutholohileng ka ho chesa le eona e tla sebetsoa ka serame, joalo ka ho phutholla ka serame, ho hula, jj.
Ho seha le ho qeta: Kamora ho phutholla le ho sebetsa ka serame, tšepe e bōpehileng joaloka H e hloka ho sehoa le ho phethoa ho latela litlhoko tsa moreki ho fihlela litlhoko tse itseng tsa boholo le bolelele.
Kalafo ea bokaholimo: Kalafo e hloekileng le e thibelang mafome ea tšepe e bōpehileng joaloka H ho netefatsa boleng ba bokaholimo le ho hanyetsa mafome ha sehlahisoa.
Tlhahlobo le sephutheloana: Etsa tlhahlobo ea boleng holim'a tšepe e hlahisitsoeng e bōpehileng joaloka H, ho kenyeletsoa le tlhahlobo ea boleng ba ponahalo, ho nepahala ha litekanyo, thepa ea mechini, jj. Kamora ho pasa teko, e tla pakoa 'me e loketse ho romelloa ho moreki.
BOHOLO BA SEHLAHISOA
| Tlhophiso | Unt Boima ba 'mele kg/m) | Karolo e Tloaelehileng ho ikemela mm | Karolo Ama (cm² | |||||
| W | H | B | 1 | 2 | r | A | ||
| HE28 | AA | 61.3 | 264.0 | 280.0 | 7.0 | 10.0 | 24.0 | 78.02 |
| A | 76.4 | 270.0 | 280.0 | 80 | 13.0 | 24.0 | 97.26 | |
| B | 103 | 280.0 | 280.0 | 10.5 | 18.0 | 24.0 | 131.4 | |
| M | 189 | 310.0 | 288.0 | 18.5 | 33.0 | 24.0 | 240.2 | |
| HE300 | AA | 69.8 | 283.0 | 300.0 | 7.5 | 10.5 | 27.0 | 88.91 |
| A | 88.3 | 200.0 | 300.0 | 85 | 14.0 | 27.0 | 112.5 | |
| B | 117 | 300.0 | 300.0 | 11.0 | 19.0 | 27.0 | 149.1 | |
| M | 238 | 340.0 | 310.0 | 21.0 | 39.0 | 27.0 | 303.1 | |
| HE320 | AA | 74.3 | 301.0 | 300.0 | 80 | 11.0 | 27.0 | 94.58 |
| A | 97.7 | 310.0 | 300.0 | 9.0 | 15.5 | 27.0 | 124.4 | |
| B | 127 | 320.0 | 300.0 | 11.5 | 20.5 | 27.0 | 161.3 | |
| M | 245 | 359.0 | 309.0 | 21.0 | 40.0 | 27.0 | 312.0 | |
| HE340 | AA | 78.9 | 320.0 | 300.0 | 85 | 11.5 | 27.0 | 100.5 |
| A | 105 | 330.0 | 300.0 | 9.5 | 16.5 | 27.0 | 133.5 | |
| B | 134 | 340.0 | 300.0 | 12.0 | 21.5 | 27.0 | 170.9 | |
| M | 248 | 377.0 | 309.0 | 21.0 | 40.0 | 27.0 | 315.8 | |
| HE360 | AA | 83.7 | 339.0 | 300.0 | 9.0 | t2.0 | 27.0 | 106.6 |
| A | 112 | 350.0 | 300.0 | 10.0 | 17.5 | 27.0 | 142.8 | |
| B | 142 | 360.0 | 300.0 | 12.5 | 22.5 | 27.0 | 180.6 | |
| M | 250 | 395.0 | 308.0 | 21.0 | 40.0 | 27.0 | 318.8 | |
| HE400 | AA | 92.4 | 3780 | 300.0 | 9.5 | 13.0 | 27.0 | 117.7 |
| A | 125 | 390.0 | 300.0 | 11.0 | 19.0 | 27.0 | 159.0 | |
| B | 155 | 400.0 | 300.0 | 13.5 | 24.0 | 27.0 | 197.8 | |
| M | 256 | 4320 | 307.0 | 21.0 | 40.0 | 27.0 | 325.8 | |
| HE450 | AA | 99.8 | 425.0 | 300.0 | 10.0 | 13.5 | 27.0 | 127.1 |
| A | 140 | 440.0 | 300.0 | 11.5 | 21.0 | 27.0 | 178.0 | |
| B | 171 | 450.0 | 300.0 | 14.0 | 26.0 | 27.0 | 218.0 | |
| M | 263 | 4780 | 307.0 | 21.0 | 40.0 | 27.0 | 335.4 | |
| Tlhophiso | Yuniti Boima ba 'mele kg/m) | Karolo e Tloaelehileng Ho teba (mm) | Karolo Sebaka (cm²) | |||||
| W | H | B | 1 | 2 | r | A | ||
| HE50 | AA | 107 | 472.0 | 300.0 | 10.5 | 14.0 | 27.0 | 136.9 |
| A | 155 | 490.0 | 300.0 | t2.0 | 23.0 | 27.0 | 197.5 | |
| B | 187 | 500.0 | 300.0 | 14.5 | 28.0 | 27.0 | 238.6 | |
| M | 270 | 524.0 | 306.0 | 21.0 | 40.0 | 27.0 | 344.3 | |
| HE550 | AA | t20 | 522.0 | 300.0 | 11.5 | 15.0 | 27.0 | 152.8 |
| A | 166 | 540.0 | 300.0 | t2.5 | 24.0 | 27.0 | 211.8 | |
| B | 199 | 550.0 | 300.0 | 15.0 | 29.0 | 27.0 | 254.1 | |
| M | 278 | 572.0 | 306.0 | 21.0 | 40.0 | 27.0 | 354.4 | |
| HE60 | AA | t29 | 571.0 | 300.0 | t2.0 | 15.5 | 27.0 | 164.1 |
| A | 178 | 500.0 | 300.0 | 13.0 | 25.0 | 27.0 | 226.5 | |
| B | 212 | 600.0 | 300.0 | 15.5 | 30.0 | 27.0 | 270.0 | |
| M | 286 | 620.0 | 305.0 | 21.0 | 40.0 | 27.0 | 363.7 | |
| HE650 | AA | 138 | 620.0 | 300.0 | t2.5 | 16.0 | 27.0 | 175.8 |
| A | 190 | 640.0 | 300.0 | t3.5 | 26.0 | 27.0 | 241.6 | |
| B | 225 | 660.0 | 300.0 | 16.0 | 31.0 | 27.0 | 286.3 | |
| M | 293 | 668.0 | 305.0 | 21.0 | 40.0 | 27.0 | 373.7 | |
| HE700 | AA | 150 | 670.0 | 300.0 | 13.0 | 17.0 | 27.0 | 190.9 |
| A | 204 | 600.0 | 300.0 | 14.5 | 27.0 | 27.0 | 260.5 | |
| B | 241 | 700.0 | 300.0 | 17.0 | 32.0 | 27.0 | 306.4 | |
| M | 301 | 716.0 | 304.0 | 21.0 | 40.0 | 27.0 | 383.0 | |
| HE800 | AA | 172 | 770.0 | 300.0 | 14.0 | 18.0 | 30.0 | 218.5 |
| A | 224 | 790.0 | 300.0 | 15.0 | 28.0 | 30.0 | 285.8 | |
| B | 262 | 800.0 | 300.0 | 17.5 | 33.0 | 30.0 | 334.2 | |
| M | 317 | 814.0 | 303.0 | 21.0 | 40.0 | 30.0 | 404.3 | |
| HE800 | AA | 198 | 870.0 | 300.0 | 15.0 | 20.0 | 30.0 | 252.2 |
| A | 252 | 800.0 | 300.0 | 16.0 | 30.0 | 30.0 | 320.5 | |
| B | 291 | 900.0 | 300.0 | 18.5 | 35.0 | 30.0 | 371.3 | |
| M | 333 | 910.0 | 302.0 | 21.0 | 40.0 | 30.0 | 423.6 | |
| HEB1000 | AA | 222 | 970.0 | 300.0 | 16.0 | 21.0 | 30.0 | 282.2 |
| A | 272 | 0.0 | 300.0 | 16.5 | 31.0 | 30.0 | 346.8 | |
| B | 314 | 1000.0 | 300.0 | 19.0 | 36.0 | 30.0 | 400.0 | |
| M | 349 | 1008 | 302.0 | 21.0 | 40.0 | 30.0 | 444.2 | |
ENHTšepe e bōpehileng joaloka eona
Sehlopha: EN10034:1997 EN10163-3：2004
Tlhaloso: HEA HEB le HEM
Tekanyetso: EN
LIKAROLOANA
1. Thepa e Hloahloa ea Mechini
Ho Hanela ho Kobeha ho Matla: Li-flange tse sephara le tse teteaneng tse nang le motsotso o moholo oa inertia (Ix) li sebetsa hantle ho feta li-I-beams (30%-50% e phahameng ka boima bo tšoanang).
Ho Tsitsisa ho Matlafatsang ka Botle: Li-flange li otlolohile ho web, e leng se etsang hore li be le khatello e phahameng ea bohlokoa ea ho khomarela sebakeng seo, e leng se etsang hore li lokele tšehetso ea kholomo.
Ho Tiea ha Biaxial ho Lekaneng: Metsotso ea ho se sebetse hantle ha X le Y-axis e tšoana (mohlala, mofuta oa HM), e leng se fellang ka khanyetso e ntle ea matla a lehlakoreng.
2. E bobebe ebile e theko e tlase
Karolelano e Phahameng ea Matla ho ea ho Boima: 15%-20% e bobebe ho feta li-I-beam tse tloaelehileng bakeng sa bokhoni bo tšoanang ba ho jara mojaro (ho fokotsa meroalo ea meaho le litšenyehelo tsa motheo).
Poloko ea Thepa: Bokhoni bo phahameng ba ho tšela likarolo bo fokotsa tšebeliso ea tšepe (mohlala, bakeng sa moaho oa fektheri oa bolelele ba limithara tse 30, libalaka tsa H li sebelisa tšepe e tlase ka 40% ho feta libalaka tsa konkreite).
3. Kaho e Bonolo le e Sebetsang Hantle
Ho Bola habonolo: Bokaholimo ba flange bo bataletseng bo nolofatsa ho bola bo matla haholo.
Ho Welding ho Fokoditsweng: Dikarolo tse tloaelehileng di etswa fekthering esale pele, e leng se nolofalletsang kopano e potlakileng sebakeng seo (e fokotsang nako ya kaho ka 30%).
4. Litlhaloso tse Tloaelehileng ka ho Fetisisa tsa Karolo e Tšekaletseng
Maemo a Naha (GB/T 11263): Letoto la HW (flange e pharaletseng), HM (flange e mahareng), le HN (flange e moqotetsane), tse akaretsang boholo ba 100×100 ho isa ho 1000×300 mm.
American Standard (ASTM A36): Letoto la W (mohlala, W12×30) le amoheloa ke bohle.
TLHAHLOBO EA SEHLAHISOA
Litlhoko tsa tlhahlobo ea tšepe e bōpehileng joaloka H li kenyelletsa lintlha tse latelang haholo-holo:
Liphoso tsa Bokaholimo
Ha ea lumelloa:
Mapetso, maqeba, kapa mameno a fetang botebo ba 0.3mm;
Likoti tsa mafome tse amang matla (botebo bo fetang 5% ea botenya ba lebota);
Ho aroloa ha lesela la zinki (bakeng sa mehlala e hanyetsanang le mafome).
Liphoso tse nyane lia lumelloa:
Mengoapo ea sebakeng seo ≤ botebo ba 0.2mm;
Sebaka sa Pockmark ≤ 1cm²/m².
KOPO EA SEHLAHISOA
Li-H-beam tse tloaelehileng tsa kantle li sebelisoa haholo masimong a kaho le boenjiniere, ho kenyeletsoa empa ho sa felle feela likarolong tse latelang:
Boenjiniere ba meaho, boenjiniere ba borokho, tlhahiso ea mechini, kaho ea likepe, kaho ea meaho ea tšepe,
HO PHAKISA LE HO ROMELA
Ho paka le ho tsamaisa mahlakore a tloaelehileng a H a kantle hangata ho hloka ho latela mehato e latelang:
Sephutheloana: Tšepe e bōpehileng joaloka H hangata e phutheloa ho latela litlhoko tsa bareki ho sireletsa bokaholimo ba eona hore bo se ke ba senyeha. Mekhoa e tloaelehileng ea ho paka e kenyelletsa ho paka feela, ho paka ka pallet ea lepolanka, ho paka ka polasetiki, jj. Ha ho phutheloa, hoa hlokahala ho netefatsa hore bokaholimo ba tšepe e bōpehileng joaloka H ha bo ngoape kapa ha bo senyehe.
Ho ngola mabitso: Tšoaea tlhahisoleseding e hlakileng ea sehlahisoa sephuthelong, joalo ka mohlala, litlhaloso, bongata, jj., ho nolofatsa ho tsebahatsa le ho laola.
Ho kenya: Ha ho kenya le ho tsamaisa tšepe e phuthetsoeng e bōpehileng joaloka H, hoa hlokahala ho netefatsa hore ho ke ke ha e-ba le ho thulana kapa ho tsoa ha thepa nakong ea ts'ebetso ea ho kenya ho qoba tšenyo ea sehlahisoa.
Lipalangoang: Khetha lisebelisoa tse loketseng tsa lipalangoang, tse kang literaka, lipalangoang tsa terene, jj., 'me u khethe mokhoa o loketseng oa lipalangoang ho latela litlhoko tsa bareki le sebaka sa lipalangoang.
Ho Laolla: Kamora ho fihla moo o yang teng, tshebetso ya ho laolla e hloka ho etswa ka hloko ho qoba tshenyo tshepe e bōpehileng jwalo ka H.
Polokelo: Boloka tšepe e bōpehileng joaloka H ka tlung e omileng le e nang le moea o kenang ho qoba mongobo kapa liphello tse ling tse mpe.
MATLA A K'hamphani
LBH
1. Nka fumana khotheishene joang ho tsoa ho uena?
O ka re siela molaetsa, 'me re tla araba molaetsa o mong le o mong ka nako.
2. Na o tla isa thepa ka nako?
E, re tšepisa ho fana ka lihlahisoa tsa boleng bo holimo le ho li tlisa ka nako. Botšepehi ke molao-motheo oa k'hamphani ea rona.
3.Na nka fumana disampole pele ke odara?
E, ehlile. Hangata disampole tsa rona ha di lefellwe, re ka di hlahisa ka disampole tsa hao kapa ka ditshwantsho tsa botekgeniki.
4. Lipehelo tsa hau tsa tefo ke life?
Nako ea rona ea tefo e tloaelehileng ke depositi ea 30%, 'me karolo e setseng khahlanong le B/L. EXW, FOB, CFR, CIF.
5. Na o amohela tlhahlobo ea motho oa boraro?
E, ruri rea amohela.
6. Re tšepa khamphani ea hau joang?
Re ikhethile khoebong ea tšepe ka lilemo tse ngata re le mofani oa khauta, ntlo-kholo e profinseng ea Tianjin, re amohelehile ho etsa lipatlisiso ka litsela life kapa life, ka mekhoa eohle.
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