貝雷橋以高強鋼材制成輕便的標準化桁架單元構件及橫梁、縱梁、橋面板、橋座及連接件等組成,用專用的安裝設備可就地迅速拼裝成適用于各種跨徑、荷載的桁架梁橋。那么貝雷橋的構成是怎樣的呢?下面杭州貝雷片出租公司(si)帶大家了(le)解一(yi)下(xia):
桁(heng)(heng)架(jia)由上(shang)(shang)(shang)、下(xia)(xia)弦(xian)(xian)桿(gan)(gan)、豎桿(gan)(gan)及(ji)斜桿(gan)(gan)焊(han)接而成,上(shang)(shang)(shang)下(xia)(xia)弦(xian)(xian)桿(gan)(gan)的(de)端部(bu)有(you)(you)陰陽接頭(tou),接頭(tou)上(shang)(shang)(shang)有(you)(you)桁(heng)(heng)架(jia)連(lian)(lian)接銷孔(kong)(kong)。桁(heng)(heng)架(jia)的(de)弦(xian)(xian)桿(gan)(gan)由兩根10號槽鋼(gang)(背靠(kao)背)組合而成,在下(xia)(xia)弦(xian)(xian)桿(gan)(gan)上(shang)(shang)(shang),焊(han)有(you)(you)多(duo)塊帶(dai)圓孔(kong)(kong)的(de)鋼(gang)板,在上(shang)(shang)(shang)、下(xia)(xia)弦(xian)(xian)桿(gan)(gan)內有(you)(you)供與(yu)加強弦(xian)(xian)桿(gan)(gan)和雙層(ceng)桁(heng)(heng)架(jia)連(lian)(lian)接的(de)螺(luo)栓孔(kong)(kong),在上(shang)(shang)(shang)弦(xian)(xian)桿(gan)(gan)內還有(you)(you)供連(lian)(lian)接支撐架(jia)用(yong)(yong)(yong)的(de)四個螺(luo)栓孔(kong)(kong),其中間(jian)的(de)兩個孔(kong)(kong)是供雙排或多(duo)排桁(heng)(heng)架(jia)同節(jie)間(jian)連(lian)(lian)接用(yong)(yong)(yong)的(de),靠(kao)兩端的(de)兩個孔(kong)(kong)是跨(kua)節(jie)間(jian)連(lian)(lian)接用(yong)(yong)(yong)的(de)。多(duo)排桁(heng)(heng)架(jia)作(zuo)梁(liang)或柱使(shi)用(yong)(yong)(yong)時,必須(xu)用(yong)(yong)(yong)支撐架(jia)加固上(shang)(shang)(shang)下(xia)(xia)兩節(jie)桁(heng)(heng)架(jia)的(de)接合部(bu)。在下(xia)(xia)弦(xian)(xian)桿(gan)(gan)上(shang)(shang)(shang),設(she)有(you)(you)4塊橫梁(liang)墊板,其上(shang)(shang)(shang)方有(you)(you)凸榫,用(yong)(yong)(yong)以固定橫梁(liang)在平面上(shang)(shang)(shang)的(de)位置:在下(xia)(xia)弦(xian)(xian)桿(gan)(gan)的(de)端部(bu)槽鋼(gang)的(de)腹板上(shang)(shang)(shang)還設(she)有(you)(you)兩個橢圓孔(kong)(kong),供連(lian)(lian)接抗風拉桿(gan)(gan)使(shi)用(yong)(yong)(yong)。桁(heng)(heng)架(jia)豎桿(gan)(gan)均用(yong)(yong)(yong)8#工寧鋼(gang)制成,在豎桿(gan)(gan)靠(kao)下(xia)(xia)弦(xian)(xian)桿(gan)(gan)一側開有(you)(you)一個方孔(kong)(kong),它(ta)是供橫梁(liang)夾具固定橫梁(liang)時使(shi)用(yong)(yong)(yong)的(de)。桁(heng)(heng)架(jia)構件的(de)材料為16Mn,每片桁(heng)(heng)重270kg。
加強弦桿
主要(yao)用來加強(qiang)桁架(jia)弦(xian)桿的承(cheng)載(zai)能力材料、斷面(mian)與(yu)桁架(jia)上(shang)弦(xian)桿相同構造(zao)與(yu)桁架(jia)上(shang)弦(xian)桿比(bi)弦(xian)桿螺栓孔座板(ban)與(yu)桁架(jia)弦(xian)桿上(shang)孔的座板(ban)高低位置不(bu)同外余均
桁(heng)架連接銷(xiao)(xiao)及保險銷(xiao)(xiao)
桁架連接銷供連接相鄰兩桁架用,形狀如圖所示。重量為3kg,在錐度(du)一(yi)端有一(yi)個插(cha)保險(xian)銷用的小孔。
一根(gen)加強弦(xian)桿(gan)(gan)重兩根(gen)弦(xian)桿(gan)(gan)螺(luo)栓與(yu)桁架弦(xian)桿(gan)(gan)相(xiang)連。
桁架螺栓
用以上下(xia)層桁架的連(lian)接,比弦桿螺(luo)栓(shuan)長,它(ta)的構造均與弦桿螺(luo)栓(shuan)相同。
弦桿螺桿
用以加強弦桿(gan)與桁架間的連接栓規格桿(gan)螺栓M36×18,材質為16Mn,抗(kang)剪力為150KN,拉力為80KN。