Yawancin rigunanmu suna nuna kyawawan beads akan hannayen riga

Gabatarwar aikin

• Kamfaninmu yana samar da madaurin ƙarfe da aka riga aka riga aka tsara don keɓance gadoji na kankare da igiyoyi don gajerun hasumiya masu tsayayye na USB a cikin wannan aikin.
  1. The superstructure na babban gada ne a cikin nau'i na prestressed kankare m giciye-section girder, nisa na babban gada ne 33.5 mita. An ƙera gadar kusanci a cikin slats, tare da nisa guda ɗaya na mita 12.5, gadar kusancin ta ɗauki ma'auni mai tsayin mita 30 ƙaramin tsarin girdar akwatin. Akwai jimillar ƴan ƴan akwati guda 96 a cikin gadar Kogin Lile mai tsawon mita 30, kuma nauyin ɗagawa na akwati ɗaya ya kai tan 100.

• 2. An yi amfani da kebul na igiya na 15-91 epoxy fesa madaurin karfe tare da kariyar HDPE biyu-Layer, diamita guda ɗaya φ15.2mm, ƙarfin ƙarfi fpk = 1860MPa. (daidaita darajar)
  3. The inji Properties na duk prestressed karfe strands amfani a cikin aikin bi da tanadi na "Steel Strands for Prestressed Concrete" (GB/T5224-2014) da kuma EN10138-3: 2009, anti-lalata Properties hadu da bukatun na ASTM. A882/A882M-02a da ISO 14655:1999. Juriya na gajiya na kebul na tsayawa ya kamata ya hadu da babban iyaka na danniya σmax = 0.45fptk, girman ƙarfin damuwa na 200MPa, da ƙimar fashewar waya na ≤2% bayan zagayowar miliyan 2.

Samfura masu fa'ida

• 1.Prestressed kankare (PC) igiyoyi ana amfani da su akai-akai a cikin ginin gine-ginen katako don samar da ƙarfi da ƙarfafawa.
  2.Waɗannan igiyoyin suna sau da yawa pre-tensioned ko post-tensioned a cikin kankare don ƙara ƙarfin ɗaukar nauyi da rage raguwa.
  3.A amfani da PC strands taimaka inganta overall tsarin yi da karko na kankare bim. Ana amfani da igiyoyin da aka ƙera (PC) a cikin ginin simintin katako don samar da ƙarfi da ƙarfafawa.