當桁架(jia)(jia)(jia)用(yong)(yong)作主梁(liang)時(shi),使(shi)用(yong)(yong)中間(jian)兩(liang)(liang)個(ge)孔(kong)(kong)作為橋梁(liang)時(shi),使(shi)用(yong)(yong)端(duan)部兩(liang)(liang)個(ge)孔(kong)(kong),以加強(qiang)兩(liang)(liang)排桁架(jia)(jia)(jia)之(zhi)間(jian)的(de)聯系;風構孔(kong)(kong)用(yong)(yong)于(yu)(yu)(yu)連接抗(kang)風拉(la)桿(gan)(gan);端(duan)豎(shu)上(shang)的(de)支(zhi)撐孔(kong)(kong)用(yong)(yong)于(yu)(yu)(yu)安(an)(an)裝(zhuang)(zhuang)支(zhi)撐、斜(xie)撐和(he)連接板;下(xia)(xia)弦(xian)(xian)(xian)夾(jia)具(ju)(ju)孔(kong)(kong)用(yong)(yong)于(yu)(yu)(yu)安(an)(an)裝(zhuang)(zhuang)安(an)(an)裝(zhuang)(zhuang)橫梁(liang)夾(jia)具(ju)(ju)。下(xia)(xia)弦(xian)(xian)(xian)夾(jia)具(ju)(ju)上(shang)有(you)4塊,用(yong)(yong)于(yu)(yu)(yu)安(an)(an)裝(zhuang)(zhuang)橫梁(liang)夾(jia)具(ju)(ju)具(ju)(ju)。下(xia)(xia)弦(xian)(xian)(xian)夾(jia)具(ju)(ju)上(shang)設有(you)4塊,需要(yao)用(yong)(yong)于(yu)(yu)(yu)提(ti)(ti)升(sheng)(sheng)26千(qian)克(ke);如果(guo)需要(yao)提(ti)(ti)升(sheng)(sheng)26千(qian)克(ke),則需要(yao)提(ti)(ti)升(sheng)(sheng)手(shou)臂(bei)(bei);如果(guo)需要(yao)提(ti)(ti)升(sheng)(sheng)手(shou)臂(bei)(bei)之(zhi)后需要(yao)提(ti)(ti)升(sheng)(sheng)手(shou)臂(bei)(bei)。由桁架(jia)(jia)(jia)單(dan)元、桁架(jia)(jia)(jia)銷、端(duan)柱、強(qiang)化弦(xian)(xian)(xian)桿(gan)(gan)、桁架(jia)(jia)(jia)螺栓(shuan)、弦(xian)(xian)(xian)桿(gan)(gan)螺栓(shuan)等組(zu)成。桁架(jia)(jia)(jia)單(dan)元(白色框架(jia)(jia)(jia))和(he)桁架(jia)(jia)(jia)銷榆架(jia)(jia)(jia)單(dan)元:由上(shang)下(xia)(xia)弦(xian)(xian)(xian)桿(gan)(gan)、豎(shu)桿(gan)(gan)和(he)斜(xie)撐焊接而成。上(shang)下(xia)(xia)弦(xian)(xian)(xian)桿(gan)(gan)的(de)一端(duan)是(shi)陰頭(tou),另一端(duan)是(shi)陽(yang)頭(tou),陰陽(yang)頭(tou)上(shang)有(you)銷孔(kong)(kong)。當兩(liang)(liang)個(ge)桁架(jia)(jia)(jia)拼接時(shi),將一個(ge)陽(yang)頭(tou)插入(ru)另一個(ge)陰頭(tou),對(dui)準銷孔(kong)(kong),插入(ru)銷孔(kong)(kong)。桁架(jia)(jia)(jia)各孔(kong)(kong)用(yong)(yong)于(yu)(yu)(yu)組(zu)裝(zhuang)(zhuang)雙(shuang)(shuang)層或(huo)強(qiang)化橋梁(liang)時(shi),將桁架(jia)(jia)(jia)螺栓(shuan)或(huo)弦(xian)(xian)(xian)梁(liang)時(shi),將桁架(jia)(jia)(jia)螺栓(shuan)或(huo)弦(xian)(xian)(xian)螺栓(shuan)插入(ru)弦(xian)(xian)(xian)螺栓(shuan)孔(kong)(kong)中,使(shi)雙(shuang)(shuang)層榆架(jia)(jia)(jia)或(huo)布架(jia)(jia)(jia)與(yu)強(qiang)化弦(xian)(xian)(xian)連接;支(zhi)撐孔(kong)(kong)用(yong)(yong)于(yu)(yu)(yu)安(an)(an)裝(zhuang)(zhuang)支(zhi)撐架(jia)(jia)(jia)。