貝(bei)(bei)(bei)雷(lei)(lei)(lei)片靠兩(liang)邊的2個(ge)孔(kong)(kong)是(shi)跨節(jie)位(wei)聯接用(yong)(yong)(yong)(yong)的。三排貝(bei)(bei)(bei)雷(lei)(lei)(lei)片作梁(liang)(liang)或(huo)柱應(ying)用(yong)(yong)(yong)(yong)時(shi)，務(wu)必用(yong)(yong)(yong)(yong)固定支(zhi)架結(jie)(jie)構(gou)加固左右(you)二節(jie)貝(bei)(bei)(bei)雷(lei)(lei)(lei)片的結(jie)(jie)合部。 在下(xia)弦桿(gan)上，下(xia)設4塊承重梁(liang)(liang)墊塊，其上邊有(you)凸榫(sun)，用(yong)(yong)(yong)(yong)于固定不動承重梁(liang)(liang)在平面圖(tu)上的部位(wei)，在下(xia)弦桿(gan)的頂端圓鋼梁(liang)(liang)端上還(huan)下(xia)設2個(ge)橢圓形(xing)孔(kong)(kong)，供(gong)聯接抗沖擊支(zhi)撐桿(gan)應(ying)用(yong)(yong)(yong)(yong)。貝(bei)(bei)(bei)雷(lei)(lei)(lei)片豎桿(gan)均用(yong)(yong)(yong)(yong)8#工(gong)(gong)型鋼做(zuo)成(cheng)，在豎桿(gan)靠下(xia)弦桿(gan)一(yi)側打有(you)一(yi)個(ge)方通，這(zhe)是(shi)供(gong)承重梁(liang)(liang)工(gong)(gong)裝夾具固定不動承重梁(liang)(liang)應(ying)用(yong)(yong)(yong)(yong)的。貝(bei)(bei)(bei)雷(lei)(lei)(lei)片的原材料為16Mn，一(yi)片架重270kg。 "32：預制(zhi)(zhi)構(gou)件輕便，拆卸便捷(jie)，融入車-20級、鏈軌(gui)-50級、掛(gua)斗-80級等5種荷載。路面機動車道寬度(du)3.7m，可在9m到63m范(fan)圍之內(nei)組(zu)成(cheng)多(duo)種多(duo)樣跨徑簡支(zhi)粱(liang)橋，可結(jie)(jie)構(gou)連(lian)續梁(liang)(liang)橋。 主要(yao)參數(shu) 貝(bei)(bei)(bei)雷(lei)(lei)(lei)梁(liang)(liang)目前(qian)進口(kou)與國(guo)產兩(liang)種規格(ge)，國(guo)產貝(bei)(bei)(bei)雷(lei)(lei)(lei)梁(liang)(liang)其桁(heng)節(jie)用(yong)(yong)(yong)(yong)16錳鋼，銷(xiao)子采用(yong)(yong)(yong)(yong)鉻(ge)錳鈦鋼，插銷(xiao)用(yong)(yong)(yong)(yong)彈(dan)簧鋼制(zhi)(zhi)造，焊條(tiao)用(yong)(yong)(yong)(yong)T505X型，橋面板和護輪木(mu)用(yong)(yong)(yong)(yong)松木(mu)或(huo)杉木(mu)。