ndi China Angapo Box Girder Bridge ndi khalidwe ndi kuchuluka fakitale ndi opanga |Great Wall
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Multiple Box Girder Bridge yokhala ndi mtundu komanso kuchuluka kwake

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Tsatanetsatane wa Zamalonda

Zogulitsa Tags

chiyambi cha mankhwala

Steel box girder imapangidwa ndi mbale yapamwamba, mbale yapansi, ukonde, magawo odutsa ndi zolimba zotalika komanso zopingasa.Mawonekedwe ake ophatikizika omwe amagwiritsidwa ntchito kwambiri amaphatikiza chipinda chimodzi, chipinda chimodzi, chipinda chachitatu, chipinda chachiwiri, chipinda chimodzi chokhala ndi bokosi limodzi, chipinda chokhalamo, Multi-box single-chamber, trapezoid inverted with inclined webs, single-box multi-chamber yokhala ndi zoposa. 3 webs, lathyathyathya zitsulo bokosi girder, etc. Pakati pawo, kwambiri ntchito zitsulo bokosi girder gawo ndi awiri bokosi single-chipinda, ndi Mipikisano bokosi limodzi chipinda ntchito milatho ndi lalikulu mlatho m'lifupi.Flat steel box girder ali ndi chiŵerengero chaching'ono cha kutalika kwa mtengo mpaka kutalika kwa mtengo, ndipo amagwiritsidwa ntchito makamaka pazitsulo zokhala ndi nthiti monga milatho yoyimitsidwa, milatho yokhala ndi chingwe, ndi milatho ya arch.Simagwiritsidwa ntchito kawirikawiri m'milatho yamitengo.Single-box multi-chamber steel box girder yokhala ndi ma webs opitilira 3 sizovuta kupanga ndikuyika, chifukwa chake imagwiritsidwa ntchito kawirikawiri.

Multiple Box Girder Bridge (2)
Multiple Box Girder Bridge (1)

Imagawidwa m'magawo angapo a mtengo wopangira ndi kukhazikitsa, ndipo gawo lake la mtanda limakhala ndi mawonekedwe amtundu wamba komanso lathyathyathya, ndipo chiŵerengero chake chimafika pafupifupi 1:10.Chitsulo cha bokosi lachitsulo nthawi zambiri chimapangidwa ndikuwotcherera mbale yapamwamba, mbale yapansi, ukonde, ndi magawo odutsa, magawo aatali ndi zouma.Chipinda chapamwamba ndi chotengera cha orthotropic cha mlatho chomwe chimapangidwa ndi mbale yophimba ndi zolimba zotalikirapo.The makulidwe a mbale lililonse zitsulo bokosi girder akhoza kukhala: chivundikiro makulidwe 14mm, kotalika U-woboola pakati nthiti makulidwe 6mm, chapamwamba m'kamwa m'lifupi 320mm, m'munsi m'kamwa m'lifupi 170mm, kutalika 260mm, katayanitsidwe 620mm;pansi mbale makulidwe 10mm, longitudinal U woboola pakati stiffeners;Makulidwe a ukonde wopendekera ndi 14mm, makulidwe a ukonde wapakati ndi 9mm;kutalika kwa magawo odutsa ndi 4.0m, ndipo makulidwe ake ndi 12mm;kutalika kwa mtengo ndi 2 ~ 3.5m.

Ubwino wa mankhwala

1. Kulemera kopepuka komanso kupulumutsa zinthu
2. Kupindika ndi torsional rigidity ndi yaikulu
3. Kuyika kosavuta, mtengo wotsika, mkombero waufupi
4. Ubwino wotsimikizika ndi kuchuluka kwake, komanso kudalirika kwakukulu.
5. Kumanga kwakukulu ndi chitetezo chapamwamba
6. Zogwiritsidwa ntchito kwambiri

Ntchito zamalonda

Chifukwa cha mawonekedwe ake, chotchinga chachitsulo chimagwiritsidwa ntchito ngati chotchingira chachitsulo chokwera komanso chokwera;nthawi yomanga magalimoto gulu yaitali chingwe-anakhala mlatho, kuyimitsidwa mlatho, Arch mlatho stiffening girder ndi oyenda mlatho zitsulo bokosi girder.


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