Birta biriijka waxaa si gaar ah loogu isticmaalaa dhisidda buundooyinka tareenada ama wadooyinka weyn. Nangang birta birta leh xawaaraha hal-abuurka warshadaha, diiradda saaraya jihada horumarinta ee cagaarka ah, kaarboon hooseeya, kordhinta maalgashiga birta buundada, jiilka cusub ee cilmi-baarista birta waxqabadka sare iyo horumarinta iyo codsiga, wax soo saarka hagaajinta degdega ah, ayaa hadda la sameeyay Q 345 Q-Q500q, iska caabinta cimilada (oo ay ku jiraan daahan lahayn) taxanaha birta buundada (oo ay ku jiraan xidhiidhka cimilada, birta alxanka), Buundooyinka leh birta duuban ee saxan isku dhafan iyo taxane kale oo dhan, tilmaamo buuxa, qaybo badan oo ka mid ah awoodda sahayda dufcadda. Buundada Nangang iyo mashaariicda birta waxaa ka mid ah Hutong Bridge, Pingtan Strait Bridge, New Bay Bridge ee San Francisco, Mashruuca Buundada Zangmu, Mashruuca Gaarka ah ee Tareenka Meishan, Lianzhen Railway Wushan Yangtze River Highway iyo Mashruuca Buundada Tareenka, Hangzhou-Shao-Tai Railway Jiaojiang Bridge, iwm.
Saxanka birta ee qaab dhismeedka buundada waa la soo saari karaa oo la geyn karaa iyadoo loo eegayo heerarka la xiriira iyo shuruudaha farsamada ee GB / T714, ASTM A709, JIS G3106, TB10002.2; oo leh wareegyo kulul / kontorool rogid, giringijin shil, duubid shid, hagaajinta tayada, TMCP / TMCP + xanaaq. Miisaanka kaliya ee ugu badan wuxuu gaari karaa 4 tan. Alaabtu waxay leedahay wax qabad farsamo oo wanaagsan iyo waxqabadka alxanka, kaas oo buuxin kara dhismaha buundada weyn ee buundada, buundada tareenka iyo buundada tareenka, gaar ahaan ku habboon codsiga injineernimada buundada-sare ee baaxadda weyn.
Guriga
