線(xian)(xian)間(jian)(jian)(jian)距加(jia)寬(kuan)(kuan)，平面線(xian)(xian)型(xing)要(yao)(yao)設(she)置(zhi)從(cong)地下線(xian)(xian)向(xiang)(xiang)高(gao)架(jia)線(xian)(xian)的(de)(de)(de)(de)過渡，平面線(xian)(xian)型(xing)較(jiao)(jiao)(jiao)復(fu)雜。雙(shuang)線(xian)(xian)整體式(shi)預(yu)應(ying)(ying)力混凝(ning)土槽形粱(liang)U粱(liang)的(de)(de)(de)(de)特點(dian)（優缺點(dian)）線(xian)(xian)間(jian)(jian)(jian)距不變化，平面線(xian)(xian)型(xing)簡單；線(xian)(xian)間(jian)(jian)(jian)距可(ke)設(she)置(zhi)為(wei)小(xiao)值，橋(qiao)(qiao)(qiao)面寬(kuan)(kuan)度(du)減小(xiao)，高(gao)架(jia)橋(qiao)(qiao)(qiao)整體體量小(xiao)，并能有(you)效的(de)(de)(de)(de)降低(di)工程造價；可(ke)滿足交(jiao)叉、渡線(xian)(xian)區域的(de)(de)(de)(de)橋(qiao)(qiao)(qiao)梁(liang)(liang)(liang)設(she)計，全線(xian)(xian)梁(liang)(liang)(liang)型(xing)一(yi)致；雙(shuang)線(xian)(xian)槽形梁(liang)(liang)(liang)其(qi)(qi)道床(chuang)板的(de)(de)(de)(de)計算跨度(du)大(da)，道床(chuang)板的(de)(de)(de)(de)受(shou)(shou)力較(jiao)(jiao)(jiao)大(da)，道床(chuang)板厚度(du)較(jiao)(jiao)(jiao)大(da)；主(zhu)(zhu)梁(liang)(liang)(liang)橫(heng)向(xiang)(xiang)間(jian)(jian)(jian)距較(jiao)(jiao)(jiao)大(da)，橫(heng)向(xiang)(xiang)抗(kang)扭剛度(du)較(jiao)(jiao)(jiao)差(cha)；單線(xian)(xian)行(xing)車時對主(zhu)(zhu)梁(liang)(liang)(liang)有(you)偏載(zai)效應(ying)(ying)，主(zhu)(zhu)梁(liang)(liang)(liang)受(shou)(shou)力復(fu)雜；施工較(jiao)(jiao)(jiao)復(fu)雜。槽形梁(liang)(liang)(liang)小(xiao)橋(qiao)(qiao)(qiao)面寬(kuan)(kuan)度(du)脊(ji)(ji)梁(liang)(liang)(liang)式(shi)梁(liang)(liang)(liang)特點(dian)建筑高(gao)度(du)低(di)，脊(ji)(ji)梁(liang)(liang)(liang)、邊梁(liang)(liang)(liang)可(ke)防噪，脊(ji)(ji)梁(liang)(liang)(liang)頂可(ke)用(yong)做檢修通(tong)(tong)道，其(qi)(qi)造型(xing)獨特，具現(xian)代感。其(qi)(qi)與(yu)線(xian)(xian)路(lu)配合較(jiao)(jiao)(jiao)差(cha)，且受(shou)(shou)中間(jian)(jian)(jian)脊(ji)(ji)骨(gu)影響，兩線(xian)(xian)間(jian)(jian)(jian)距較(jiao)(jiao)(jiao)大(da)。鋼(gang)橋(qiao)(qiao)(qiao)鋼(gang)橋(qiao)(qiao)(qiao)概(gai)述鋼(gang)橋(qiao)(qiao)(qiao)所(suo)用(yong)材(cai)料鐵(tie)工業純鐵(tie)：含(han)(han)碳量通(tong)(tong)常(chang)在生鐵(tie)(或鑄鐵(tie))：含(han)(han)碳量通(tong)(tong)常(chang)在，根據碳的(de)(de)(de)(de)存在形式(shi)，生鐵(tie)分為(wei)白口(kou)鐵(tie)（碳化物）和灰口(kou)鐵(tie)（石(shi)墨）鋼(gang)?用(yong)來制(zhi)(zhi)造鋼(gang)橋(qiao)(qiao)(qiao)的(de)(de)(de)(de)鋼(gang)又稱橋(qiao)(qiao)(qiao)梁(liang)(liang)(liang)鋼(gang)，可(ke)視其(qi)(qi)為(wei)結構(gou)鋼(gang)的(de)(de)(de)(de)一(yi)種。所(suo)選用(yong)的(de)(de)(de)(de)鋼(gang)材(cai)，既要(yao)(yao)能適應(ying)(ying)制(zhi)(zhi)造工藝(如可(ke)焊(han)性(xing)、韌性(xing)等）要(yao)(yao)求，又要(yao)(yao)能滿足使用(yong)要(yao)(yao)求。鋼(gang)：含(han)(han)碳量通(tong)(tong)常(chang)在。根據SLZ-30（1.0版）實(shi)際運行(xing)情況，進行(xing)技術升級，增加(jia)焊(han)接抓(zhua)取機(ji)器人；BIM技術的(de)(de)(de)(de)鐵(tie)路(lu)箱梁(liang)(liang)(liang)自(zi)動(dong)生產線(xian)(xian)如何定制(zhi)(zhi)

、通過設(she)計在箱(xiang)梁(liang)(liang)底板(ban)泄水孔(kong)（預留直徑100mmPVC管(guan)(guan)(guan)）處設(she)拉桿將(jiang)內(nei)(nei)模(mo)(mo)(mo)縱向主梁(liang)(liang)與(yu)(yu)(yu)底模(mo)(mo)(mo)連(lian)(lian)接(jie)，有效控(kong)制(zhi)內(nei)(nei)模(mo)(mo)(mo)上浮。，在波紋管(guan)(guan)(guan)內(nei)(nei)穿入尼龍膠管(guan)(guan)(guan)，以保證(zheng)預應力孔(kong)道(dao)完整(zheng)性。、內(nei)(nei)模(mo)(mo)(mo)板(ban)在翼緣板(ban)倒角處設(she)置(zhi)設(she)楔(xie)形口，與(yu)(yu)(yu)內(nei)(nei)模(mo)(mo)(mo)連(lian)(lian)接(jie)螺(luo)旋(xuan)桿件相(xiang)結合(he)，便于拆卸。內(nei)(nei)模(mo)(mo)(mo)采(cai)(cai)用龍門吊(diao)(diao)配合(he)卷揚機的(de)(de)方式整(zheng)體(ti)(ti)拖拉出箱(xiang)，外(wai)模(mo)(mo)(mo)則通過龍門吊(diao)(diao)分節拆除，減少勞動用工(gong)(gong)和減輕(qing)工(gong)(gong)人的(de)(de)勞動強度(du)。注意事項(xiang)：1、梁(liang)(liang)體(ti)(ti)鋼(gang)(gang)(gang)(gang)筋驗收(shou)合(he)格后(hou)安(an)(an)裝(zhuang)(zhuang)(zhuang)(zhuang)模(mo)(mo)(mo)型(xing)(xing)(xing)，先(xian)安(an)(an)裝(zhuang)(zhuang)(zhuang)(zhuang)端模(mo)(mo)(mo)，然(ran)后(hou)按照高邊(bian)與(yu)(yu)(yu)低邊(bian)同時交錯進行(xing)(xing)的(de)(de)順(shun)序(xu)安(an)(an)裝(zhuang)(zhuang)(zhuang)(zhuang)側(ce)模(mo)(mo)(mo)，并由一(yi)端向另一(yi)端順(shun)序(xu)吊(diao)(diao)裝(zhuang)(zhuang)(zhuang)(zhuang)，每一(yi)節相(xiang)對(dui)應的(de)(de)側(ce)模(mo)(mo)(mo)安(an)(an)裝(zhuang)(zhuang)(zhuang)(zhuang)好(hao)后(hou)連(lian)(lian)接(jie)下欄桿緊固件，腹板(ban)鋼(gang)(gang)(gang)(gang)筋安(an)(an)裝(zhuang)(zhuang)(zhuang)(zhuang)就位后(hou)安(an)(an)裝(zhuang)(zhuang)(zhuang)(zhuang)內(nei)(nei)模(mo)(mo)(mo)。2、相(xiang)鄰安(an)(an)裝(zhuang)(zhuang)(zhuang)(zhuang)的(de)(de)兩節模(mo)(mo)(mo)型(xing)(xing)(xing)，必須接(jie)縫密(mi)貼(tie)、表面(mian)(mian)平整(zheng)無錯臺(tai)、連(lian)(lian)接(jie)緊固。3、全(quan)部模(mo)(mo)(mo)型(xing)(xing)(xing)安(an)(an)裝(zhuang)(zhuang)(zhuang)(zhuang)完后(hou)，以端頭模(mo)(mo)(mo)型(xing)(xing)(xing)中心線為(wei)基準，檢查安(an)(an)裝(zhuang)(zhuang)(zhuang)(zhuang)橋梁(liang)(liang)模(mo)(mo)(mo)型(xing)(xing)(xing)全(quan)長和調整(zheng)橋面(mian)(mian)內(nei)(nei)外(wai)側(ce)寬(kuan)度(du)。然(ran)后(hou)逐一(yi)緊固全(quan)部的(de)(de)連(lian)(lian)接(jie)螺(luo)栓(shuan)及拉桿，調整(zheng)好(hao)側(ce)模(mo)(mo)(mo)的(de)(de)垂直狀態（統稱(cheng)“抄平”）在允許范(fan)圍內(nei)(nei)。、預制(zhi)小箱(xiang)梁(liang)(liang)鋼(gang)(gang)(gang)(gang)筋胎架(jia)(jia)(jia)施工(gong)(gong)預制(zhi)小箱(xiang)梁(liang)(liang)預制(zhi)的(de)(de)鋼(gang)(gang)(gang)(gang)筋綁(bang)扎根(gen)據梁(liang)(liang)場布(bu)置(zhi)形式，設(she)置(zhi)鋼(gang)(gang)(gang)(gang)筋綁(bang)扎區(qu)，采(cai)(cai)用胎模(mo)(mo)(mo)定(ding)位，整(zheng)體(ti)(ti)對(dui)底腹板(ban)鋼(gang)(gang)(gang)(gang)筋骨(gu)架(jia)(jia)(jia)和頂板(ban)鋼(gang)(gang)(gang)(gang)筋骨(gu)架(jia)(jia)(jia)進行(xing)(xing)綁(bang)扎，在通過1臺(tai)龍門吊(diao)(diao)進行(xing)(xing)整(zheng)體(ti)(ti)吊(diao)(diao)裝(zhuang)(zhuang)(zhuang)(zhuang)入模(mo)(mo)(mo)安(an)(an)裝(zhuang)(zhuang)(zhuang)(zhuang)。、鋼(gang)(gang)(gang)(gang)筋胎模(mo)(mo)(mo)：鋼(gang)(gang)(gang)(gang)筋胎模(mo)(mo)(mo)采(cai)(cai)用50角鋼(gang)(gang)(gang)(gang)與(yu)(yu)(yu)鋼(gang)(gang)(gang)(gang)管(guan)(guan)(guan)制(zhi)作(zuo)，底板(ban)鋼(gang)(gang)(gang)(gang)筋根(gen)據設(she)計圖(tu)紙。江蘇物聯網(wang)技術的(de)(de)鐵路箱(xiang)梁(liang)(liang)自動生產線機械(xie)設(she)備取代(dai)傳統人工(gong)(gong)下料(liao)、布(bu)料(liao)、裝(zhuang)(zhuang)(zhuang)(zhuang)料(liao)；

摘要(yao)：隨著工(gong)(gong)(gong)(gong)(gong)業科技的(de)(de)(de)發(fa)展，我國建(jian)筑行(xing)業的(de)(de)(de)施(shi)(shi)工(gong)(gong)(gong)(gong)(gong)技術也(ye)在不斷得到(dao)改善(shan)(shan)，產(chan)生了(le)許多新型(xing)施(shi)(shi)工(gong)(gong)(gong)(gong)(gong)手法(fa)。在新技術源源不斷涌現的(de)(de)(de)現在，具有預(yu)(yu)應(ying)力(li)(li)性質的(de)(de)(de)鋼(gang)(gang)(gang)筋(jin)混(hun)(hun)凝(ning)土(tu)材料(liao)(liao)(liao)建(jian)設(she)的(de)(de)(de)連(lian)(lian)(lian)(lian)續箱梁(liang)(liang)(liang)橋(qiao)(qiao)(qiao)得到(dao)guang泛的(de)(de)(de)關(guan)注和(he)使(shi)用，使(shi)工(gong)(gong)(gong)(gong)(gong)程的(de)(de)(de)施(shi)(shi)工(gong)(gong)(gong)(gong)(gong)質量得到(dao)改善(shan)(shan)。本文(wen)對于(yu)預(yu)(yu)應(ying)力(li)(li)鋼(gang)(gang)(gang)筋(jin)混(hun)(hun)凝(ning)土(tu)連(lian)(lian)(lian)(lian)續箱梁(liang)(liang)(liang)橋(qiao)(qiao)(qiao)施(shi)(shi)工(gong)(gong)(gong)(gong)(gong)工(gong)(gong)(gong)(gong)(gong)藝進(jin)行(xing)簡(jian)要(yao)分析總結(jie)，闡述具有預(yu)(yu)應(ying)力(li)(li)性質的(de)(de)(de)鋼(gang)(gang)(gang)筋(jin)混(hun)(hun)凝(ning)土(tu)材料(liao)(liao)(liao)建(jian)設(she)的(de)(de)(de)連(lian)(lian)(lian)(lian)續箱梁(liang)(liang)(liang)橋(qiao)(qiao)(qiao)施(shi)(shi)工(gong)(gong)(gong)(gong)(gong)技術的(de)(de)(de)重(zhong)要(yao)性。關(guan)鍵詞：預(yu)(yu)應(ying)力(li)(li)混(hun)(hun)凝(ning)土(tu)連(lian)(lian)(lian)(lian)續箱梁(liang)(liang)(liang)橋(qiao)(qiao)(qiao)；施(shi)(shi)工(gong)(gong)(gong)(gong)(gong)工(gong)(gong)(gong)(gong)(gong)藝；設(she)計理念近年來，在高(gao)速(su)公(gong)路(lu)(lu)建(jian)設(she)及城市橋(qiao)(qiao)(qiao)梁(liang)(liang)(liang)建(jian)設(she)的(de)(de)(de)過(guo)程中，具有預(yu)(yu)應(ying)力(li)(li)性質的(de)(de)(de)鋼(gang)(gang)(gang)筋(jin)混(hun)(hun)凝(ning)土(tu)材料(liao)(liao)(liao)建(jian)設(she)的(de)(de)(de)連(lian)(lian)(lian)(lian)續箱梁(liang)(liang)(liang)橋(qiao)(qiao)(qiao)施(shi)(shi)工(gong)(gong)(gong)(gong)(gong)技術逐漸成熟并被guang泛使(shi)用。這種施(shi)(shi)工(gong)(gong)(gong)(gong)(gong)工(gong)(gong)(gong)(gong)(gong)藝與傳統(tong)的(de)(de)(de)裝配(pei)結(jie)構式橋(qiao)(qiao)(qiao)梁(liang)(liang)(liang)相比(bi)(bi)有很大的(de)(de)(de)優勢，在外形上(shang)看相對和(he)諧(xie)美觀，在整(zheng)體上(shang)看更加(jia)完整(zheng)統(tong)一(yi)，跨越(yue)幅度(du)(du)大。與普(pu)通的(de)(de)(de)鋼(gang)(gang)(gang)筋(jin)混(hun)(hun)凝(ning)土(tu)材料(liao)(liao)(liao)建(jian)設(she)的(de)(de)(de)連(lian)(lian)(lian)(lian)續箱橋(qiao)(qiao)(qiao)梁(liang)(liang)(liang)相比(bi)(bi)，鋼(gang)(gang)(gang)筋(jin)使(shi)用量同(tong)比(bi)(bi)較少，因此自(zi)重(zhong)輕，極大程度(du)(du)上(shang)減少了(le)橋(qiao)(qiao)(qiao)梁(liang)(liang)(liang)易(yi)產(chan)生裂(lie)縫的(de)(de)(de)可能性，使(shi)用壽命(ming)達到(dao)延(yan)長(chang)。但同(tong)時這種施(shi)(shi)工(gong)(gong)(gong)(gong)(gong)工(gong)(gong)(gong)(gong)(gong)藝較其(qi)他而言，施(shi)(shi)工(gong)(gong)(gong)(gong)(gong)難度(du)(du)更大，對設(she)計建(jian)造的(de)(de)(de)要(yao)求和(he)標準也(ye)更高(gao)。1關(guan)于(yu)預(yu)(yu)應(ying)力(li)(li)混(hun)(hun)凝(ning)土(tu)連(lian)(lian)(lian)(lian)續箱梁(liang)(liang)(liang)橋(qiao)(qiao)(qiao)的(de)(de)(de)設(she)計思路(lu)(lu)適用范圍預(yu)(yu)應(ying)力(li)(li)混(hun)(hun)凝(ning)土(tu)連(lian)(lian)(lian)(lian)續箱梁(liang)(liang)(liang)橋(qiao)(qiao)(qiao)的(de)(de)(de)跨越(yue)范圍是20～120m內(nei)。在橋(qiao)(qiao)(qiao)梁(liang)(liang)(liang)大幅度(du)(du)跨越(yue)結(jie)構中及高(gao)速(su)公(gong)路(lu)(lu)互通區石。

摘要(yao)(yao)：本文(wen)以(yi)公(gong)路橋梁為主簡要(yao)(yao)介紹各(ge)類(lei)鋼(gang)(gang)(gang)(gang)(gang)筋(jin)(jin)(jin)(jin)(jin)(jin)施(shi)(shi)工(gong)(gong)要(yao)(yao)點(dian)，包(bao)括鋼(gang)(gang)(gang)(gang)(gang)筋(jin)(jin)(jin)(jin)(jin)(jin)加(jia)(jia)(jia)工(gong)(gong)、鋼(gang)(gang)(gang)(gang)(gang)筋(jin)(jin)(jin)(jin)(jin)(jin)連接(jie)、鋼(gang)(gang)(gang)(gang)(gang)筋(jin)(jin)(jin)(jin)(jin)(jin)骨架(jia)和(he)(he)鋼(gang)(gang)(gang)(gang)(gang)筋(jin)(jin)(jin)(jin)(jin)(jin)網的(de)(de)組(zu)成(cheng)(cheng)與(yu)(yu)安(an)(an)(an)裝、預(yu)(yu)應(ying)(ying)力筋(jin)(jin)(jin)(jin)(jin)(jin)安(an)(an)(an)裝等(deng)施(shi)(shi)工(gong)(gong)技術。并(bing)從(cong)一些(xie)理論和(he)(he)實(shi)踐上展開(kai)初步探討，不(bu)妥和(he)(he)疏漏之處還請大(da)家指(zhi)出(chu)。關鍵詞：鋼(gang)(gang)(gang)(gang)(gang)筋(jin)(jin)(jin)(jin)(jin)(jin)骨架(jia)；預(yu)(yu)應(ying)(ying)力鋼(gang)(gang)(gang)(gang)(gang)筋(jin)(jin)(jin)(jin)(jin)(jin)；焊接(jie)接(jie)頭；機械連接(jie)；蒸汽養護本文(wen)以(yi)公(gong)路橋梁為主簡要(yao)(yao)介紹各(ge)類(lei)鋼(gang)(gang)(gang)(gang)(gang)筋(jin)(jin)(jin)(jin)(jin)(jin)施(shi)(shi)工(gong)(gong)要(yao)(yao)點(dian)，包(bao)括鋼(gang)(gang)(gang)(gang)(gang)筋(jin)(jin)(jin)(jin)(jin)(jin)加(jia)(jia)(jia)工(gong)(gong)、鋼(gang)(gang)(gang)(gang)(gang)筋(jin)(jin)(jin)(jin)(jin)(jin)連接(jie)、鋼(gang)(gang)(gang)(gang)(gang)筋(jin)(jin)(jin)(jin)(jin)(jin)骨架(jia)和(he)(he)鋼(gang)(gang)(gang)(gang)(gang)筋(jin)(jin)(jin)(jin)(jin)(jin)網的(de)(de)組(zu)成(cheng)(cheng)與(yu)(yu)安(an)(an)(an)裝、預(yu)(yu)應(ying)(ying)力筋(jin)(jin)(jin)(jin)(jin)(jin)安(an)(an)(an)裝等(deng)施(shi)(shi)工(gong)(gong)技術。鋼(gang)(gang)(gang)(gang)(gang)筋(jin)(jin)(jin)(jin)(jin)(jin)施(shi)(shi)工(gong)(gong)：鋼(gang)(gang)(gang)(gang)(gang)筋(jin)(jin)(jin)(jin)(jin)(jin)施(shi)(shi)工(gong)(gong)包(bao)括鋼(gang)(gang)(gang)(gang)(gang)筋(jin)(jin)(jin)(jin)(jin)(jin)加(jia)(jia)(jia)工(gong)(gong)、鋼(gang)(gang)(gang)(gang)(gang)筋(jin)(jin)(jin)(jin)(jin)(jin)連接(jie)、鋼(gang)(gang)(gang)(gang)(gang)筋(jin)(jin)(jin)(jin)(jin)(jin)骨架(jia)和(he)(he)鋼(gang)(gang)(gang)(gang)(gang)筋(jin)(jin)(jin)(jin)(jin)(jin)網的(de)(de)組(zu)成(cheng)(cheng)與(yu)(yu)安(an)(an)(an)裝、預(yu)(yu)應(ying)(ying)力筋(jin)(jin)(jin)(jin)(jin)(jin)安(an)(an)(an)裝等(deng)內容。1.一般規(gui)(gui)定1）鋼(gang)(gang)(gang)(gang)(gang)筋(jin)(jin)(jin)(jin)(jin)(jin)混凝(ning)土(tu)結構所用(yong)鋼(gang)(gang)(gang)(gang)(gang)筋(jin)(jin)(jin)(jin)(jin)(jin)的(de)(de)品種、規(gui)(gui)格、性能等(deng)均應(ying)(ying)符合(he)設計(ji)(ji)(ji)要(yao)(yao)求(qiu)和(he)(he)現行(xing)國家標準的(de)(de)規(gui)(gui)定。2）鋼(gang)(gang)(gang)(gang)(gang)筋(jin)(jin)(jin)(jin)(jin)(jin)應(ying)(ying)按(an)不(bu)同鋼(gang)(gang)(gang)(gang)(gang)種、等(deng)級、牌號、規(gui)(gui)格及(ji)生產廠家分批驗(yan)收(shou)，確(que)認(ren)(ren)合(he)格后(hou)方(fang)可使(shi)用(yong)。3）鋼(gang)(gang)(gang)(gang)(gang)筋(jin)(jin)(jin)(jin)(jin)(jin)在(zai)運輸、儲存、加(jia)(jia)(jia)工(gong)(gong)過(guo)程(cheng)中(zhong)應(ying)(ying)防止銹蝕(shi)、污染和(he)(he)變形。4）鋼(gang)(gang)(gang)(gang)(gang)筋(jin)(jin)(jin)(jin)(jin)(jin)的(de)(de)級別、種類(lei)和(he)(he)直徑應(ying)(ying)按(an)設計(ji)(ji)(ji)要(yao)(yao)求(qiu)采用(yong)。當需要(yao)(yao)代換時，應(ying)(ying)由原設計(ji)(ji)(ji)單位作變更設計(ji)(ji)(ji)。5）預(yu)(yu)制構件的(de)(de)吊(diao)環必須采用(yong)未經冷拉(la)的(de)(de)HPB235熱軋光圓鋼(gang)(gang)(gang)(gang)(gang)筋(jin)(jin)(jin)(jin)(jin)(jin)制作，不(bu)得以(yi)其他鋼(gang)(gang)(gang)(gang)(gang)筋(jin)(jin)(jin)(jin)(jin)(jin)替(ti)代。6）在(zai)澆筑混凝(ning)土(tu)之前(qian)應(ying)(ying)對鋼(gang)(gang)(gang)(gang)(gang)筋(jin)(jin)(jin)(jin)(jin)(jin)進行(xing)隱蔽工(gong)(gong)程(cheng)驗(yan)收(shou)，確(que)認(ren)(ren)符合(he)設計(ji)(ji)(ji)要(yao)(yao)求(qiu)。2.鋼(gang)(gang)(gang)(gang)(gang)筋(jin)(jin)(jin)(jin)(jin)(jin)加(jia)(jia)(jia)工(gong)(gong)1）鋼(gang)(gang)(gang)(gang)(gang)筋(jin)(jin)(jin)(jin)(jin)(jin)彎制前(qian)應(ying)(ying)先調直，鋼(gang)(gang)(gang)(gang)(gang)筋(jin)(jin)(jin)(jin)(jin)(jin)宜優先選(xuan)用(yong)機械方(fang)法調直。當采用(yong)冷拉(la)法進行(xing)調直時。自動化水平明顯(xian)，工(gong)(gong)效提升3倍；

跨(kua)度(du)(du)不(bu)大時適宜(yi)(yi)采用(yong)。為(wei)了(le)(le)(le)(le)減(jian)(jian)(jian)小(xiao)(xiao)(xiao)主(zhu)梁(liang)(liang)(liang)(liang)(liang)間距，減(jian)(jian)(jian)小(xiao)(xiao)(xiao)底(di)(di)板(ban)橫(heng)向跨(kua)度(du)(du)，利(li)用(yong)鐵路(lu)限(xian)界下部(bu)縮小(xiao)(xiao)(xiao)部(bu)分(fen)，把(ba)腹板(ban)做成斜的(de)(de)，就變成斜墻(qiang)式(shi)(shi)Γ形(xing)(xing)(xing)槽型(xing)(xing)(xing)梁(liang)(liang)(liang)(liang)(liang)了(le)(le)(le)(le)，斜墻(qiang)式(shi)(shi)Γ形(xing)(xing)(xing)槽型(xing)(xing)(xing)梁(liang)(liang)(liang)(liang)(liang)由于(yu)梁(liang)(liang)(liang)(liang)(liang)底(di)(di)寬度(du)(du)減(jian)(jian)(jian)小(xiao)(xiao)(xiao)，使(shi)支(zhi)座(zuo)橫(heng)向布置更(geng)容(rong)易，使(shi)下部(bu)橋(qiao)墩橫(heng)向尺寸(cun)減(jian)(jian)(jian)小(xiao)(xiao)(xiao)，節省了(le)(le)(le)(le)工(gong)程量，增(zeng)(zeng)加(jia)(jia)了(le)(le)(le)(le)景(jing)觀(guan)效(xiao)(xiao)果(guo)。箱(xiang)形(xing)(xing)(xing)槽型(xing)(xing)(xing)梁(liang)(liang)(liang)(liang)(liang)抗扭剛(gang)度(du)(du)大，跨(kua)度(du)(du)較大時適宜(yi)(yi)采用(yong)，剛(gang)度(du)(du)增(zeng)(zeng)大同時，截(jie)(jie)面尺寸(cun)也相應(ying)增(zeng)(zeng)大，橋(qiao)面寬度(du)(du)比I形(xing)(xing)(xing)、Γ形(xing)(xing)(xing)都要大，增(zeng)(zeng)加(jia)(jia)了(le)(le)(le)(le)梁(liang)(liang)(liang)(liang)(liang)重，如采用(yong)預制架設(she)更(geng)困難，支(zhi)座(zuo)橫(heng)向布置更(geng)困難、橋(qiao)墩橫(heng)向尺寸(cun)更(geng)大，增(zeng)(zeng)加(jia)(jia)了(le)(le)(le)(le)工(gong)程量，景(jing)觀(guan)效(xiao)(xiao)果(guo)稍差，但箱(xiang)型(xing)(xing)(xing)結(jie)構的(de)(de)箱(xiang)體(ti)內空間也為(wei)附屬(shu)設(she)施和維修(xiu)養護通道(dao)(dao)的(de)(de)設(she)置提(ti)供(gong)了(le)(le)(le)(le)空間。槽形(xing)(xing)(xing)梁(liang)(liang)(liang)(liang)(liang)橋(qiao)面布置形(xing)(xing)(xing)式(shi)(shi)城(cheng)市(shi)軌道(dao)(dao)交通中的(de)(de)槽形(xing)(xing)(xing)梁(liang)(liang)(liang)(liang)(liang)和U形(xing)(xing)(xing)梁(liang)(liang)(liang)(liang)(liang)城(cheng)市(shi)軌道(dao)(dao)交通U形(xing)(xing)(xing)梁(liang)(liang)(liang)(liang)(liang)橋(qiao)道(dao)(dao)板(ban)的(de)(de)受(shou)力(li)(li)高(gao)速鐵路(lu)U形(xing)(xing)(xing)梁(liang)(liang)(liang)(liang)(liang)分(fen)離式(shi)(shi)預應(ying)力(li)(li)混(hun)凝(ning)土槽形(xing)(xing)(xing)粱U粱的(de)(de)特點（優缺點）降低(di)主(zhu)梁(liang)(liang)(liang)(liang)(liang)高(gao)度(du)(du)，減(jian)(jian)(jian)小(xiao)(xiao)(xiao)道(dao)(dao)床(chuang)板(ban)的(de)(de)厚度(du)(du)，結(jie)構體(ti)量可以做得較輕巧；適應(ying)島式(shi)(shi)車站(zhan)線(xian)路(lu)分(fen)離的(de)(de)要求(qiu)，保證站(zhan)內橋(qiao)梁(liang)(liang)(liang)(liang)(liang)與站(zhan)外橋(qiao)梁(liang)(liang)(liang)(liang)(liang)協調一致；道(dao)(dao)床(chuang)板(ban)的(de)(de)寬跨(kua)比較小(xiao)(xiao)(xiao)，剪力(li)(li)滯效(xiao)(xiao)應(ying)小(xiao)(xiao)(xiao)，道(dao)(dao)床(chuang)板(ban)可全截(jie)(jie)面參與主(zhu)梁(liang)(liang)(liang)(liang)(liang)受(shou)力(li)(li)，提(ti)高(gao)了(le)(le)(le)(le)截(jie)(jie)面的(de)(de)利(li)用(yong)率；道(dao)(dao)床(chuang)板(ban)的(de)(de)計算跨(kua)度(du)(du)小(xiao)(xiao)(xiao)，道(dao)(dao)床(chuang)板(ban)的(de)(de)受(shou)力(li)(li)較小(xiao)(xiao)(xiao)；兩主(zhu)梁(liang)(liang)(liang)(liang)(liang)的(de)(de)受(shou)力(li)(li)明確，避(bi)免了(le)(le)(le)(le)單線(xian)加(jia)(jia)載時的(de)(de)偏載效(xiao)(xiao)應(ying)；線(xian)間距須加(jia)(jia)寬，橋(qiao)面寬，高(gao)架橋(qiao)整體(ti)體(ti)量大；無法進行交叉(cha)、渡線(xian)區域的(de)(de)橋(qiao)梁(liang)(liang)(liang)(liang)(liang)設(she)計。箱(xiang)梁(liang)(liang)(liang)(liang)(liang)骨(gu)架加(jia)(jia)工(gong)流水線(xian)達到提(ti)高(gao)生產效(xiao)(xiao)率；BIM技術的(de)(de)鐵路(lu)箱(xiang)梁(liang)(liang)(liang)(liang)(liang)自動生產線(xian)如何定制

其主要功(gong)能是，采用自動(dong)模式完成箱梁(liang)骨架(jia)中頂板部(bu)分加(jia)工(gong)的整個過(guo)程。BIM技術的鐵路箱梁(liang)自動(dong)生產線如何定制

當預(yu)應(ying)(ying)(ying)(ying)力(li)(li)(li)(li)混凝(ning)土連(lian)(lian)續(xu)箱(xiang)梁(liang)(liang)(liang)橋(qiao)(qiao)的(de)(de)(de)(de)跨(kua)越直徑(jing)超過(guo)40m時會(hui)采用(yong)變截面技術(shu)(shu)，這(zhe)樣會(hui)使(shi)(shi)(shi)橋(qiao)(qiao)梁(liang)(liang)(liang)結(jie)(jie)構(gou)更(geng)加(jia)美(mei)觀，減(jian)(jian)少橋(qiao)(qiao)梁(liang)(liang)(liang)自重，增(zeng)(zeng)加(jia)橋(qiao)(qiao)梁(liang)(liang)(liang)耐(nai)久(jiu)(jiu)(jiu)度(du)，增(zeng)(zeng)強(qiang)橋(qiao)(qiao)梁(liang)(liang)(liang)變寬及匝(za)道小的(de)(de)(de)(de)適(shi)應(ying)(ying)(ying)(ying)能(neng)力(li)(li)(li)(li)。因(yin)為預(yu)應(ying)(ying)(ying)(ying)力(li)(li)(li)(li)混凝(ning)土連(lian)(lian)續(xu)箱(xiang)梁(liang)(liang)(liang)橋(qiao)(qiao)的(de)(de)(de)(de)跨(kua)越幅(fu)度(du)大，所以(yi)也一(yi)般適(shi)用(yong)于(yu)航道及深(shen)溝的(de)(de)(de)(de)跨(kua)越，使(shi)(shi)(shi)用(yong)懸臂技術(shu)(shu)施(shi)(shi)工(gong)，提(ti)(ti)高(gao)橋(qiao)(qiao)梁(liang)(liang)(liang)的(de)(de)(de)(de)整(zheng)體(ti)(ti)(ti)跨(kua)越幅(fu)度(du)，節(jie)約工(gong)程整(zheng)體(ti)(ti)(ti)造價。預(yu)期(qi)目標預(yu)應(ying)(ying)(ying)(ying)力(li)(li)(li)(li)混凝(ning)土連(lian)(lian)續(xu)箱(xiang)梁(liang)(liang)(liang)橋(qiao)(qiao)的(de)(de)(de)(de)使(shi)(shi)(shi)用(yong)可以(yi)增(zeng)(zeng)強(qiang)橋(qiao)(qiao)梁(liang)(liang)(liang)整(zheng)體(ti)(ti)(ti)結(jie)(jie)構(gou)的(de)(de)(de)(de)耐(nai)久(jiu)(jiu)(jiu)度(du)，減(jian)(jian)少橋(qiao)(qiao)梁(liang)(liang)(liang)的(de)(de)(de)(de)養護費用(yong)，但(dan)(dan)(dan)橋(qiao)(qiao)梁(liang)(liang)(liang)建設(she)過(guo)程中必(bi)須(xu)達到具體(ti)(ti)(ti)標準。關于(yu)古典的(de)(de)(de)(de)大量增(zeng)(zeng)加(jia)鋼筋(jin)使(shi)(shi)(shi)用(yong)量的(de)(de)(de)(de)建筑施(shi)(shi)工(gong)思維，不(bu)適(shi)用(yong)于(yu)預(yu)應(ying)(ying)(ying)(ying)力(li)(li)(li)(li)操(cao)(cao)作系統(tong)(tong)的(de)(de)(de)(de)使(shi)(shi)(shi)用(yong)中。但(dan)(dan)(dan)由(you)于(yu)這(zhe)種技術(shu)(shu)使(shi)(shi)(shi)用(yong)時間(jian)jin有20幾年(nian)(nian)，在(zai)(zai)設(she)計初始階段技術(shu)(shu)及經驗的(de)(de)(de)(de)不(bu)足，使(shi)(shi)(shi)得(de)現在(zai)(zai)許(xu)多預(yu)應(ying)(ying)(ying)(ying)力(li)(li)(li)(li)混凝(ning)土連(lian)(lian)續(xu)箱(xiang)梁(liang)(liang)(liang)橋(qiao)(qiao)出現問題，不(bu)但(dan)(dan)(dan)沒(mei)有增(zeng)(zeng)加(jia)橋(qiao)(qiao)梁(liang)(liang)(liang)的(de)(de)(de)(de)，反(fan)而(er)減(jian)(jian)少了(le)橋(qiao)(qiao)梁(liang)(liang)(liang)結(jie)(jie)構(gou)的(de)(de)(de)(de)耐(nai)久(jiu)(jiu)(jiu)度(du)。因(yin)此(ci)，必(bi)須(xu)提(ti)(ti)高(gao)施(shi)(shi)工(gong)技術(shu)(shu)，開闊設(she)計思維，采用(yong)先進(jin)技術(shu)(shu)，保證結(jie)(jie)構(gou)，才是(shi)預(yu)應(ying)(ying)(ying)(ying)力(li)(li)(li)(li)混凝(ning)土連(lian)(lian)續(xu)箱(xiang)梁(liang)(liang)(liang)橋(qiao)(qiao)使(shi)(shi)(shi)用(yong)目標。古典的(de)(de)(de)(de)大量增(zeng)(zeng)加(jia)鋼筋(jin)使(shi)(shi)(shi)用(yong)量的(de)(de)(de)(de)建筑施(shi)(shi)工(gong)思維，不(bu)適(shi)用(yong)于(yu)預(yu)應(ying)(ying)(ying)(ying)力(li)(li)(li)(li)操(cao)(cao)作系統(tong)(tong)的(de)(de)(de)(de)使(shi)(shi)(shi)用(yong)中。但(dan)(dan)(dan)由(you)于(yu)這(zhe)種技術(shu)(shu)使(shi)(shi)(shi)用(yong)時間(jian)jin有20幾年(nian)(nian)，在(zai)(zai)設(she)計初始階段技術(shu)(shu)及經驗的(de)(de)(de)(de)不(bu)足，使(shi)(shi)(shi)得(de)現在(zai)(zai)許(xu)多預(yu)應(ying)(ying)(ying)(ying)力(li)(li)(li)(li)混凝(ning)土連(lian)(lian)續(xu)箱(xiang)梁(liang)(liang)(liang)橋(qiao)(qiao)出現問題，不(bu)但(dan)(dan)(dan)沒(mei)有增(zeng)(zeng)加(jia)橋(qiao)(qiao)梁(liang)(liang)(liang)，反(fan)而(er)減(jian)(jian)少了(le)橋(qiao)(qiao)梁(liang)(liang)(liang)結(jie)(jie)構(gou)的(de)(de)(de)(de)耐(nai)久(jiu)(jiu)(jiu)度(du)。因(yin)此(ci)，必(bi)須(xu)提(ti)(ti)高(gao)施(shi)(shi)工(gong)技術(shu)(shu)。BIM技術(shu)(shu)的(de)(de)(de)(de)鐵路箱(xiang)梁(liang)(liang)(liang)自動生(sheng)產線(xian)如何定(ding)制

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