Kodi ndi chiyani Bracing System mu Steel Structure?

Nyumba zomangira zitsulo amagwiritsidwa ntchito kwambiri m'mafakitale osiyanasiyana ngati nyumba zosungira ndi zokambirana, chifukwa amapereka mphamvu zamapangidwe abwino kwambiri, kukana kwa seismic, ndi kukana moto.

Dongosolo la bracing ndi gawo lachiwiri pamapangidwe achitsulo, komanso ndi gawo lofunikira.

M'mapangidwe achitsulo a portal frame, bracing system imagwira ntchito yofunika kwambiri. Izi zimawonekera makamaka mu:

  • Kwa mapangidwe omwe ali ndi ndondomeko zovuta zapansi, dongosolo la bracing limathandizanso kusintha kwa kuuma kwa mapangidwe, kupanga mapangidwewo kukhala ofanana ndi omveka bwino, ndikuwongolera kukhulupirika kwake.
  • Kuonetsetsa kukhazikika kwa dongosolo lonse ndi zigawo zaumwini.
  • Kusamutsa mphamvu yopingasa ku maziko ndi ntchito unsembe wothandizira, etc.

Mitundu Yosiyanasiyana ya Bracing Systems mu Steel Structures

Dongosolo la bracing limapangidwa ndi zinthu zosiyanasiyana zothandizira (monga chitsulo chomangika, mapaipi achitsulo, ndi zida zolimba za konkriti) zolumikizidwa ndi mabawuti, kuwotcherera, kapena kulumikizana ndi snap-fit. Itha kugawidwa m'magulu: makina omangira padenga, makina opangira mizati, ndi makina ena othandizira.

Dongosolo Lomangira Padenga

Denga limapangidwa ndi ma purlins, ma trusses a padenga kapena matabwa a padenga, mabulaketi kapena ma joists, ndi mafelemu a skylight. Imanyamula katundu wa padenga ndipo imalumikizidwa lonse ndi zothandizira padenga.

Dongosolo lothandizira padenga limaphatikizapo zothandizira zam'mbali, zochirikiza nthawi yayitali, zothandizira zoyima, ndodo zomangira, ndi zingwe zamakona. Ntchito yake ndikuwongolera kuuma kwathunthu kwa denga, kugwiritsa ntchito mokwanira mawonekedwe a malo, kuwonetsetsa kukhazikika kwa mawonekedwe, kukhazikika kwapambuyo kwa mamembala oponderezedwa, komanso chitetezo pakuyika kwamapangidwe.

Zothandizira padenga ndi zogwirizira pakati-zapakati pamodzi zimapanga dongosolo lothandizira la nyumba ya fakitale. Ntchito yawo ndikulumikiza machitidwe opangira ma planar kukhala gawo lonse la malo. M'dera lodziyimira pawokha la kutentha, limatsimikizira kuuma kofunikira ndi kukhazikika kwa kapangidwe kanyumba ka fakitale ndikunyamula katundu woyima ndi wopingasa.

  • Dongosolo Lomangira Padenga
  • Dongosolo Lomangira Padenga

Column Bracing System

Inter-column bracing ndi gawo lofunikira pamakina achitsulo omwe amagwiritsidwa ntchito kukulitsa kukhazikika kwapangidwe ndikusamutsa katundu wopingasa (monga katundu wamphepo ndi mphamvu zakugwedezeka).

Nthawi zambiri imayikidwa pakati pa mizati yoyandikana nayo. Ntchito yake ndikuwongolera kuuma kwapambuyo ndi kukhulupirika kwathunthu kwa kapangidwe kake, kuchepetsa kutalika kowerengedwa kwa mizati, ndikuletsa kusakhazikika kwapambuyo kapena kusinthika kwamipingo pansi pa kupsinjika.

Ntchito zazikulu za inter-column bracing ndi:

  • Lateral Force resistance: Kukana katundu wopingasa (katundu wamphepo, mphamvu za zivomezi) komanso kuchepetsa kusamuka kwapang'onopang'ono.
  • Chitsimikizo chokhazikika: Kuletsa kusamuka kwa mizati, kuchepetsa kuonda kwa mizati, ndikuwongolera kukhazikika kokhazikika.
  • Kusamutsa katundu: Kusamutsa katundu wopingasa ku maziko kapena mamembala ena oletsa mphamvu (monga makoma ometa ubweya).
  • Kukhazikika kwanthawi yomanga: Kupereka bata kwakanthawi pakukhazikitsa chitsulo.

Kutengera momwe amalowera, kukangana kwapakati pamigawo kungagawidwe m'mitundu iwiri: kulumikiza mopingasa ndi kulumikiza kotalika.

  • Transverse bracing: Perpendicular to longitudinal axis of the house, kukana lateral mphamvu yopingasa (monga katundu mphepo).
  • Kukhazikika kwa nthawi yayitali: Kukonzedwa motsatira njira yotalikirapo ya nyumbayo, kukana mphamvu zopingasa zautali.

Zothandizira zotalika zimagawidwa kukhala zothandizira zitsulo zozungulira, zothandizira zitsulo.

  • Njira yopangira zitsulo - Kutalika kwachitsulo chozungulira
    Njira yopangira zitsulo - Kutalika kwazitsulo zozungulira
  • dongosolo bracing - Longitudinal angle zitsulo bracing
    dongosolo bracing - Longitudinal ngodya zitsulo bracing

Muzochita zogwiritsidwa ntchito, mawonekedwe oyenerera azitsulo ayenera kusankhidwa potengera kapangidwe kanyumba ndi zofunikira. Kuphatikiza apo, ma code ndi miyezo yoyenera iyenera kutsatiridwa panthawi yomanga ndi kumanga kuti zitsimikizire chitetezo ndi kukhazikika kwazitsulo zazitsulo.

Ndi bwino kugwiritsa ntchito mtundu umodzi wazitsulo zomangirira m'nyumba imodzi, ndipo sikoyenera kusakaniza mitundu ingapo yazitsulo zapakati. Ngati chifukwa cha zofunikira zogwirira ntchito monga kutsegula zitseko, mawindo kapena zinthu zina, chithandizo cha chimango cholimba kapena chithandizo cha truss chingagwiritsidwe ntchito. Pamene dongosolo lothandizira liyenera kugwiritsidwa ntchito pamodzi, kulimba kuyenera kukhala kosasinthasintha momwe zingathere. Ngati kukhazikika sikungakwaniritsidwe, mphamvu yopingasa yotalikirapo yotsatiridwa ndi chithandizo chilichonse iyenera kufufuzidwa mwatsatanetsatane kuti zitsimikizire kukhazikika ndi chitetezo cha symmetry yokhazikika.

Angle Brace

Zomangamanga za ngodya ndizosiyana ndi nyumba zolimba za ma portal zolimba zachitsulo. Chomangira chomangira chimakonzedwa pakati pa flange yapansi ya mtengo wokhazikika wokhotakhota ndi purlin kapena pakati pa flange yamkati ya mzati wokhazikika wambali ndi mtengo wakhoma. Imathandizira kukhazikika kwa mizati yokhazikika yokhotakhota komanso mizati yolimba yambali. Ma angle brace ndi membala wothandizira yemwe sakhala dongosolo palokha.

Ntchito ya chimango chokhazikika chokhotakhota chotchingira chotchinga ndikuteteza kusakhazikika kwamitengo yotsatiridwa pomwe phiko lapansi likuphwanyidwa.

Chitsulo chachitsulo nthawi zambiri chimagwiritsidwa ntchito popanga ngodya, ndipo ngodya yapakati pa ngodya ndi purlin kapena mtengo wapakhoma siyenera kuchepera 35 °, ndipo chitsulo chocheperako L40 * 4 chingagwiritsidwe ntchito. Zingwe zomangirira pamakona zimakutidwa ndi mizati kapena mizati yam'mbali ndi ma purlins kapena makhoma.

Nthawi zambiri, cholumikizira ngodya chiyenera kukhazikitsidwa mu nthawi yonse ya mtengo wokhazikika wokhotakhota, makamaka poganizira kuthekera kwa flange ya mtengowo kukanikizidwa ndi mphamvu ya mphepo, imatha kukhazikitsidwa m'dera lomwe lapansi. flange ya mtengo imaponderezedwa pafupi ndi chithandizo.

Bracing System Setting Principles

  • Mwachiwonekere, momveka komanso mophweka kufalitsa katundu wautali, ndikufupikitsa njira yotumizira mphamvu momwe mungathere;
  • Onetsetsani kukhazikika kwa kunja kwa ndege kwa dongosolo lachimake, ndikupereka mfundo zothandizira pambali pa kukhazikika kwadongosolo ndi zigawo zake;
  • Ndi yabwino kukhazikitsa dongosolo;
  • Kukumana ndi zofunikira zamphamvu ndi zowuma komanso kukhala ndi kulumikizana kodalirika.

Lumikizanani nafe >>

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