HoygaDhismaha

Si aad u caawiso dhismaha: miisaanka iyo baaxadda I-beam

Mid ka mid ah noocyada caanka ah ee biraha la duubay waa shinbir, qaybta oo la mid ah warqada laba-dhinac ah T. Cabbirka I-beamku wuxuu ku xiran yahay ujeedadiisa wuxuuna kala duwan yahay afar ilaa 12 mitir.

I-beam: noocyada

Noocyada nuucyada ayaa loo qaybiyaa caadiga ah oo gaar ah, loogu talagalay in ay ka shaqeeyaan xaalado gaar ah (loogu talagalay rakibida monorail, xoojinta shinnirrada miinooyinka). Iyada oo ku xiran nooca, dhererka profofilku wuxuu noqon karaa mid cabbir ah, cabbir badan, cabbir ama wax la mid ah inta ka dhiman (illaa 5% miisaanka qaybinta), iyo sidoo kale aan la qiyaasi karin. Cadadka tooska ah ee I-beamku wuxuu u dhigmaa masaafada u dhaxaysa hal dhinac oo kale ah shafka ilaa kan kale.

I-beams, waxay kuxirantahay noocyada, waxay leedahay kala duwanaansho weyn ee size. Tusaale ahaan, dhumucda shelf waa variable, sababtoo ah waxay si toos ah ula xidhiidha qaabkeeda (wajiyada wajiga ama barbaraha). Sidoo kale waxaan kala saaraa I-beamooyinka wax laga sameeyey, taas oo tanina saameyn ku yeelato isticmaalkooda shey gaar ah (laga soo bilaabo biraha qaaska ah, ka soo galmoodka ama birta yar ee alwaaxda, saqafyada kulul ee kulul ayaa si gooni gooni ah u tagaya).

Heerarka loo yaqaan 'I-beams'

Waxaa jira dhowr heer oo guud guud ahaan la aqbaley oo isku mid ah xajmiga I-beam ku xiran sida loo sameeyo iyo loo isticmaalo. Tusaale ahaan, in steel kulul giringiriyey I-alwaaxdii saqafka haysay kormeerayaasha Heerka eeg macmalay by xuduudaha weyn - dhinacyada dhabta ah ee qaybta cross, saamiga of 1 m qiimaha tixraaca xamuulka badnaan on faasas.

Iyada oo saxnaanta iskuxirta kala-soocida caadiga ah (oo leh calaamadda B) ama saxnaansho kordhin (calaamadaynta B).

Qeybaha kala duwan ayaa xakameynaya cabbirka kala duwan ee I-beams, kaas oo dhinacyadu isugu jiraan rashiinka isku midka ah, birta qashinka lagu duubo, birta gaarka ah, noocyo kale oo ah qashin khaas ah I-beams, iyo I-beams ayaa la soo saaraa iyadoo la raacayo qeexidda dhirta wax soo saarka.

Mid kasta oo ka mid ah martida hadda jira, qiyaasta xakamaynta I-beam (dhererka, dhererka iyo dhumucda celceliska qoryaha, dhumucda derbiga, raadinta curvature ee gudaha gudaha iyo rahamka), qiyaasta mitirka qiyaasta ah (kg) iyo tirade mitir ee tin ah I-beams ayaa lagu muujiyay.

Shuruudaha GOST ee I-beam 36

Tusaale ahaan, waxaan ku mashquulsan yihiin tirada double-T-dogob halkaas oo guests 8239-89 waxaa lagu go'aamiyey. Sawirada noocyada noocan oo kale ah ayaa sida caadiga ah lagu bixiyaa heerarka iyo macluumaad faahfaahsan oo faahfaahsan, oo lagu dhisay qiyaasaha geometric ee beam. Waxay, marka hore, u dhigmaan sifooyinka jirka ee profile, taas oo muhiim u ah codsigeeda.

Jaangooyuhu wuxuu qeexayaa xuduudaha ku jira noocyadan, kuwaas oo ah tixraaca labada soo saarayaasha iyo iibsadaha. Sidaa daraadeed, I-beam 36. Cabbirada: 36 cm ee dhererka, 14.5 cm ee ballaaran ee shelf, 0.75 cm ee dhumucdida derbiga, 12.3 mm dhexdhexaad ah qaro shelf, iyada oo wareegga gudaha ah oo leh raadin aan ka badneyn 1.4 cm, curvature of shelf - ilaa 0.6 cm.

Nooca gaarka ah ee I-type double-T-bar ayaa loo adeegsadaa hagista xargaha iyo ganaaxa, sababtoo ah dhumucda roogga ayaa kordhay marka la barbardhigo kuwa caadiga ah.

Sidoo kale eegaya jadwalka tixraaca ee heerka, waxaad si sax ah u go'aamin kartaa miisaanka mitirka socodka (culeyska gaarka ah) ee I-36, oo had iyo jeer isku mid ah, waana 48.6 kg.

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