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鄭新黃(huang)河(he)大(da)(da)橋(qiao)(原鄭州(zhou)黃(huang)河(he)公鐵兩用橋(qiao))是鄭州(zhou)至新鄉G107復(fu)線工程(cheng)及京廣鐵路客(ke)運(yun)專線跨越黃(huang)河(he)的共用特大(da)(da)橋(qiao)梁，橋(qiao)位(wei)距(ju)上游鄭州(zhou)黃(huang)河(he)公路大(da)(da)橋(qiao)約7km。

簡介

鄭(zheng)(zheng)(zheng)新(xin)黃河(he)(he)大(da)橋(qiao)(原(yuan)鄭(zheng)(zheng)(zheng)州(zhou)黃河(he)(he)公(gong)(gong)(gong)(gong)鐵兩(liang)用(yong)橋(qiao))是(shi)鄭(zheng)(zheng)(zheng)州(zhou)至新(xin)鄉G107復線工程(cheng)及(ji)京廣鐵路(lu)客運專線跨(kua)越黃河(he)(he)的共用(yong)特(te)大(da)橋(qiao)梁，橋(qiao)位距上游鄭(zheng)(zheng)(zheng)州(zhou)黃河(he)(he)公(gong)(gong)(gong)(gong)路(lu)大(da)橋(qiao)約7km。公(gong)(gong)(gong)(gong)路(lu)北(bei)(bei)連接線起點(dian)在原(yuan)陽縣祝樓鄉閻莊南(nan)同G107順接，向南(nan)經原(yuan)陽縣原(yuan)武鎮與鄭(zheng)(zheng)(zheng)焦晉高速相(xiang)交(jiao)，設互(hu)通(tong)立交(jiao)1座(zuo)(zuo)，然后以預應力砼連續箱梁跨(kua)越黃河(he)(he)北(bei)(bei)大(da)堤，跨(kua)黃河(he)(he)部(bu)(bu)分(fen)為(wei)(wei)公(gong)(gong)(gong)(gong)鐵合(he)建(jian)大(da)橋(qiao)，公(gong)(gong)(gong)(gong)鐵合(he)建(jian)長9.177km。公(gong)(gong)(gong)(gong)路(lu)經鄭(zheng)(zheng)(zheng)州(zhou)市惠濟區申莊村西(xi)側與規劃的北(bei)(bei)四環(huan)相(xiang)交(jiao)設互(hu)通(tong)立交(jiao)1座(zuo)(zuo)，終點(dian)位于鄭(zheng)(zheng)(zheng)州(zhou)市金水區小賀莊接G107輔道。公(gong)(gong)(gong)(gong)路(lu)部(bu)(bu)分(fen)全長11.646公(gong)(gong)(gong)(gong)里(li)，公(gong)(gong)(gong)(gong)鐵合(he)建(jian)長度(du)為(wei)(wei)9.177公(gong)(gong)(gong)(gong)里(li)。目前是(shi)黃河(he)(he)上較長，也是(shi)河(he)(he)南(nan)省(sheng)境內特(te)大(da)型公(gong)(gong)(gong)(gong)鐵兩(liang)用(yong)橋(qiao)，公(gong)(gong)(gong)(gong)路(lu)部(bu)(bu)分(fen)設計荷載標準(zhun)為(wei)(wei)標準(zhun)公(gong)(gong)(gong)(gong)路(lu)一級的1.3倍(bei)，設計時(shi)速為(wei)(wei)每(mei)小時(shi)一百公(gong)(gong)(gong)(gong)里(li)。

結構形式

鄭新黃河(he)大橋(qiao)(qiao)(qiao)按照一級公(gong)(gong)(gong)(gong)路(lu)標準(zhun)設計(ji)，雙向六車道布置，采用(yong)瀝(li)青混凝土(tu)路(lu)面(mian)。其中，公(gong)(gong)(gong)(gong)鐵(tie)合(he)建的(de)(de)鄭州黃河(he)公(gong)(gong)(gong)(gong)鐵(tie)兩用(yong)橋(qiao)(qiao)(qiao)是(shi)目前世(shi)界上(shang)較(jiao)長的(de)(de)公(gong)(gong)(gong)(gong)鐵(tie)兩用(yong)橋(qiao)(qiao)(qiao)，合(he)建部分長9177米；也是(shi)世(shi)界上(shang)設計(ji)標準(zhun)較(jiao)高的(de)(de)公(gong)(gong)(gong)(gong)鐵(tie)兩用(yong)橋(qiao)(qiao)(qiao)，鐵(tie)路(lu)設計(ji)速(su)度350公(gong)(gong)(gong)(gong)里/小(xiao)時(shi)，公(gong)(gong)(gong)(gong)路(lu)設計(ji)速(su)度100公(gong)(gong)(gong)(gong)里/小(xiao)時(shi)，荷載為國家標準(zhun)的(de)(de)1.3倍。該橋(qiao)(qiao)(qiao)結構形式新，三主(zhu)(zhu)桁、斜邊(bian)桁主(zhu)(zhu)梁(liang)設計(ji)為世(shi)界采用(yong)，以滿足橋(qiao)(qiao)(qiao)面(mian)上(shang)寬下窄的(de)(de)要求；大橋(qiao)(qiao)(qiao)施工(gong)方法新，主(zhu)(zhu)橋(qiao)(qiao)(qiao)鋼梁(liang)采用(yong)多點同(tong)步拖(tuo)拉架(jia)設技術。

建設意義

鄭(zheng)新黃河大橋項目(mu)的建(jian)(jian)設，對緩解107國道鄭(zheng)州黃河公(gong)路大橋交通(tong)瓶頸，完善我省交通(tong)運輸網絡(luo)，加(jia)強(qiang)鄭(zheng)州、新鄉兩市合作交流，加(jia)快以(yi)鄭(zheng)州為(wei)中心(xin)的中原城市群建(jian)(jian)設，實現黃河兩岸城市資源共享、產業(ye)互補、生態共建(jian)(jian)，推動我省經濟社會快速(su)全(quan)面協調發(fa)展，促進中部地區崛起(qi)具有重要意義。

相關信息

2010年9月29日上午9:00，鄭新黃河大橋公路橋通車儀式在鄭州舉行。

鄭(zheng)新公鐵(tie)兩用(yong)橋的下部分，即(ji)鄭(zheng)州至石家莊高速鐵(tie)路(lu)部分還正在加快建設中，預計(ji)2012年建成通車(che)。