H Beam ke eng?
Libalaka tsa Hke diprofaele tse theko e tlase, tse sebetsang hantle haholo tse nang le karolo e tshekaletseng e tshwanang le tlhaku "H." Dikarolo tsa tsona tsa mantlha di kenyeletsa kabo e ntlafetseng ya sebaka se tshekaletseng, karolelano e utlwahalang ya matla ho ya boima, le dikarolo tse sekametseng ka ho le letona. Dikarolo tsena di fana ka kganyetso ya ho kobeha ka mahlakoreng a mangata, bonolo ba kaho, kaho e bobebe (15%-30% e bobebe ho feta meaho ya tshepe ya setso), le poloko ya ditjeo. Ha di bapiswa le di-I-beams tse tlwaelehileng (I-beams), di-H-beams di na le di-flanges tse pharaletseng, ho tiya ho hoholo ka lehlakoreng, le kganyetso e ntlafetseng ya ho kobeha ka hoo e ka bang 5%-10%. Moralo wa tsona wa di-flange tse tsamaellanang o nolofatsa kgokelo le ho kenngwa. Di sebediswa haholo ditshebedisong tsa thepa e boima jwalo ka meaho e meholo (jwalo ka difeme le meaho e melelele), marokho, dikepe, le metheo ya ho phahamisa mechine le disebediswa, ho ntlafatsa botsitso ba meaho haholo le ho fokotsa tshebediso ya thepa.
Melemo ea H-beam
1. Thepa e Hloahloa ea Mechini
Bokgoni bo Matla ba ho Kobeha: Di-flange tse sephara le tse teteaneng (tse fetang makgetlo a 1.3 ho feta di-I-beams) di fana ka motsotso o moholo wa ho se sebetse hantle ha karolo e tsheletseng, di ntlafatsa tshebetso ya ho kokobeha ka 10%-30%, e leng se etsang hore e tshwanelehe haholo bakeng sa meaho e telele.
Ho Tsitsisa ho Hatella ha Biaxial: Li-flange li otlolohile ho web, e leng se fellang ka ho tiea ho hoholo ha lehlakore le ho hanyetsa ho phahameng ha torsional le roll hoLi-I-balams.
Kabo e Tšoanang ea Khatello ea Kelello: Liphetoho tse boreleli tsa likarolo tse tšekaletseng li fokotsa ho tsepamisa maikutlo khatellong le ho lelefatsa bophelo ba mokhathala.
2. E bobebe ebile e theko e tlase
Karolelano e Phahameng ea Matla ho ea ho Boima: 15%-30% e bobebe ho feta li-I-beam tsa setso ka bokhoni bo tšoanang ba ho jara mojaro, e leng se fokotsang boima ba sebopeho.
Poloko ea Thepa: Tšebeliso e fokotsehileng ea motheo oa konkreite e fokotsa litšenyehelo tsa kaho ka kakaretso ka 10%-20%.
Litšenyehelo tse Tlase tsa Lipalangoang le tsa ho Kenya: Likarolo tse tloaelehileng li fokotsa ho seha le ho tjheseletsa sebakeng seo.
3. Kaho e Bonolo le e Sebetsang Hantle
Mahlakore a flange a bapileng a nolofatsa kgokelo e tobileng le dikarolo tse ding (dipoleiti tsa tshepe, diboutu), a eketsa lebelo la kaho ka 20%-40%.
Manonyeletso a Nolofalitsoeng: Fokotsa manonyeletso a rarahaneng, matlafatsa sebopeho, 'me u khutsufatse nako ea kaho.
Litlhaloso tse Tloaelehileng: Litekanyetso tse amoheloang lefatšeng ka bophara tse kang Chinese National Standard (GB/T 11263), Japanese Standard (JIS), le American Standard (ASTM A6) li netefatsa theko e bonolo le ho ikamahanya le maemo.
4. Mefuta e mengata ea Likopo
Kaho e Boima: Lifeme, mehaho e meholomehaho ea tšepe(jwalo ka setsi sa Tora ya Shanghai), le dibaka tse kgolo (jwalo ka tshehetso ya truss ya Bird's Nest).
Marokho le Lipalangoang: Marokho a terene le litsela tse kholo (tse nang le litšehetso tsa lebokose la girder tse bolelele bo bolelele).
Lisebelisoa tsa Indasteri: Li-chassis tsa mechini e boima le mabala a tsela a koung.
Meralo ea Motheo ea Matla: Litšiea tsa lifeme tsa motlakase le li-module tsa sethala sa oli.
5. Botsitso ba Tikoloho
E ka sebelisoa hape ka 100%: Litefiso tse phahameng tsa ho sebelisa hape tšepe li fokotsa litšila tsa kaho.
Tšebeliso e Fokolitsoeng ea Konkreite: E fokotsa mosi o tsoang ka har'a carbon (tonne e 'ngoe le e 'ngoe ea tšepe e nkeloang sebaka ke konkreite e boloka lithane tse 1.2 tsa CO₂).
Litšebeliso tsa H Beam
Tšebeliso e tloaelehileng haholo eaFeme ea H Beamske tsa liforomo, marokho, kaho ea likepe le boema-kepe. Leha Libalaka tsa I li atisa ho sebelisoa bakeng sa mehaho e tloaelehileng ea khoebo kapa lits'ebetso tse ling tse bobebe.
Ho tloha libakeng tse phahameng haholo ho ea ho meralo ea motheo ea sechaba, ho tloha indastering e boima ho ea ho eneji e tala, mabone a H a fetohile thepa ea kaho e ke keng ea nkeloa sebaka bakeng sa boenjiniere ba sejoale-joale.Likhamphani tsa mahlaseli a H tsa China, litlhaloso li tlameha ho tsamaellana ho latela mojaro, bolelele, le tikoloho ea mafome (mohlala, merero ea lebopong e hloka tšepe ea Q355NH e feto-fetohang) ho eketsa polokeho ea tsona le boleng ba tsona ba moruo.
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Nako ea poso: Phato-07-2025