Khoom taw qhia
Lower chord sib koom ua ke: Thaum siv lub cantilever thawb-tawm txoj kev los tsim ib tug choj, nruab ib lub chord sib koom ua ke ntawm qis chord sib koom ua ke ntawm cov lus qhia beam (lub qhov ntswg thav duab) truss, kom lub pem hauv ntej kawg ntawm tus taw qhia beam yog tilted rau offset lub deflection ntawm tus taw qhia beam thiab qhov siab sib txawv ntawm ob lub tsev txhab nyiaj los ua tus taw qhia beam smooth Catch ib pob zeb nyob rau hauv lub opposite sab.Ib qho qis chord sib koom ua ke tuaj yeem ua rau txhua ntu ntawm truss upturn txog 40 cm.
ZhenJiang Great Phab Ntsa Hnyav Kev Lag Luam Technology Co.ltd (ntawm no thiab tom qab hu ua Great Phab Ntsa) yog nyob rau ntawm lub nroog Zhenjiang, Sab Qab Teb ntawm Yangtze River, koom nrog Yangtze River Delta cheeb tsam kev lag luam, muaj chaw nres tsheb ciav hlau ntawm Shanghai-Nanjing thiab Shanghai-Beijing High-speed railways;30 mais deb ntawm Zhenjiang seaport, 50 mais deb ntawm tshav dav hlau Changzhou, 70 mais deb ntawm tshav dav hlau Nanjing, thiab YangzhouTaizhou tshav dav hlau;Great Wall tau dhau ISO Quality Management System Certificate;nws WPS thiab welders tau dhau daim ntawv pov thawj BV;cov khoom siv raw thiab cov khoom tiav tau txais los ntawm International Thib Testing Institute xws li SGS, CCIC, CNAS thiab lwm yam;Tsis tas li ntawd, Great Wall muaj ob peb txoj kev ywj pheej R & D patents.
321-Type (British Compact-100) prefabricated txoj kev loj steel choj thiab 200-Type prefabricated txoj kev loj steel choj (Bailey choj) yog cov khoom tseem ceeb ntawm Great Wall, uas muaj tag nrho cov txheej txheem ntau lawm kab kom tiav bailey choj teeb.Ntau tshaj li qhov no, Great Wall tau tsim ib hom loj span prefabricated D-Type choj uas nws ib qho span tuaj yeem ncav cuag 91 meters, thiab tau ua tiav qhov kev xeem thauj khoom lawm thiab engineering daim ntawv thov ntawm tag nrho tus choj.
