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Qinghai Kuo Ma Ri alahaka noho uwea

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Qinghai Kuo Ma Ri alahaka noho uwea

Papahana o Qinghai Kuo Ma Ri alahaka noho uwea (1)mpn
  • Aia ʻo Kuo Mari cable-stayed bridge ma Tongren County Kuo Mari Road ma kēlā ʻaoʻao o ka muliwai ʻo Longwu, ʻo ia ke kalana ma ka ʻākau o ke alanui kumu lua. ʻO ka lōʻihi o 590 mika, aia i ʻelua ʻāpana: ʻo ka hikina a me ke komohana hoʻonui o ke alanui Kuomari a me ke alahaka ma kēlā ʻaoʻao o ka muliwai, ʻo ke alahaka nui he 200 mika ka lōʻihi. ʻO ke alahaka nui he hale kiaʻi hoʻokahi hale kiaʻi pālua ʻelua i hoʻopaʻa ʻia i ke kaulahao me kahi alahaka i hoʻopaʻa ʻia me kahi pylon daimana. ʻO nā alahaka hoʻokokoke ma ka ʻaoʻao hikina a me ke komohana he mau alahaka pahu pahu liʻiliʻi prestressed. Hāʻawi nui kā mākou hui i nā kaula kila prestressed haʻahaʻa a me nā ʻōnaehana noho-kauwela i uhi ʻia epoxy no ke kaʻa alahaka.
    He 14 ka nui o na paipu (ie 28 puolo) o na uwea noho uwea ma ke alahaka holookoa, me ka mamao ma'amau o 6 mika a me ka loihi o ka uwea he 222.34 mika. Hana ʻia ke kaula i hoʻopaʻa ʻia me ka φ15.2mm epoxy coated steel strand, i māhele ʻia i 3 mau kikoʻī, ʻo kēlā me kēia puʻupuʻu o ke kaula i hoʻopaʻa ʻia he 31, 37 a me 43 mau kaula kila, a me ke kino o ke kaula anti-corrosion. o ka pale ʻana o ka HDPE pālua, a ua paʻa ka helix i ka ʻili o nā kaula noho a hoʻohui ʻia ka damping i kūkulu ʻia.
Papahana o Qinghai Kuo Ma Ri alahaka noho uwea (2)okn
  • Hoʻonohonohoʻia ke kaula i hoʻopaʻaʻia ma keʻano o ka peʻahi ākea ma keʻano o ke kāʻei nui a me ka hale kiaʻi. Hoʻonohonoho ʻia ka hopena hoʻopaʻapaʻa ma ka lāʻau nui, a ua hoʻonohonoho ʻia ka noho uwea o ka paipu hoʻokaʻawale uea ma luna o ka hale kiaʻi uwea, a ua hoʻopaʻa ʻia ka noho hoʻokele hoʻokele ma ka paia o ka hale kiaʻi ma ke ʻano o ka heleuma, a ʻo ke kaula i noho ʻia. pili me ke kukuna nui a heleuma ma ka pahu heleuma ma waho o ka kukuna longitudinal.
Papahana o Qinghai Kuo Ma Ri alahaka noho uwea (5)71u
  • ʻO nā mea mechanical o nā kaula kila i hoʻohanaʻia i ka papahana no ka mea i hoʻopaʻaʻia i mua a me ka epoxy steel hinges no nā kaula alahaka e hoʻokō i nā koi o EN10138-3, GB / T5224 a me ASTM A416, a me ka hana anti-corrosion e hoʻokō i nā koi o ISO 14655, GB / T 2583-2010 a me ASTM A 882 / A882M-02a "Monofilament Coated Epoxy Coated Prestressed Steel Strands"; Hoʻokō ka hana o ka heleuma i nā koi maʻamau o GB / T14370-2015 "Anchors, Clamps and Connectors for Prestressed Tendons".
    No ka mea ʻo kēia papahana he hale kiaʻi hoʻokahi hale kiaʻi pālua ʻelua mau kaula i noho ʻia, hoʻohana ka pahu pahu i ka ʻenehana hana o ka ninini ʻana i ka ʻāpana ʻāpana ma ka ʻāpana o ka bracket ʻāpana nui. Nui ka nui o ka hana a paʻa ka manawa hana, i mea e hōʻoia ai i ka holomua o ke kūkulu ʻana a hoʻopau ʻia ma ka papa manawa a i ʻole ma mua o ka papa hana, ua hoʻolālā ʻia e hana nā ʻaoʻao symmetrical ʻelua ma nā ʻaoʻao ʻelua o ka ʻaoʻao transverse o ka ua like ke alahaka i ka manawa like no ke kūkulu ʻana i ʻelua puʻupuʻu o nā kaula i hoʻopaʻa ʻia.
Papahana o Qinghai Kuo Ma Ri alahaka noho uwea (1)i0p
Papahana o Qinghai Kuo Ma Ri alahaka noho uwea (4)fjo
Papahana o Qinghai Kuo Ma Ri alahaka noho uwea (6)jz2