鄭(zheng)新(xin)黃(huang)河(he)(he)大橋(qiao)(原鄭(zheng)州黃(huang)河(he)(he)公鐵兩用橋(qiao))是鄭(zheng)州至新(xin)鄉G107復線(xian)工程及京廣鐵路(lu)客運專線(xian)跨越黃(huang)河(he)(he)的(de)共用特大橋(qiao)梁,橋(qiao)位(wei)距(ju)上游鄭(zheng)州黃(huang)河(he)(he)公路(lu)大橋(qiao)約7km。
鄭(zheng)新黃(huang)河(he)(he)(he)(he)大(da)橋(qiao)(qiao)(qiao)(qiao)(原鄭(zheng)州(zhou)黃(huang)河(he)(he)(he)(he)公(gong)(gong)(gong)鐵(tie)(tie)(tie)兩(liang)用橋(qiao)(qiao)(qiao)(qiao))是(shi)鄭(zheng)州(zhou)至新鄉(xiang)G107復線工程及京(jing)廣(guang)鐵(tie)(tie)(tie)路(lu)(lu)客運專線跨越黃(huang)河(he)(he)(he)(he)的共(gong)用特大(da)橋(qiao)(qiao)(qiao)(qiao)梁(liang),橋(qiao)(qiao)(qiao)(qiao)位距上游(you)鄭(zheng)州(zhou)黃(huang)河(he)(he)(he)(he)公(gong)(gong)(gong)路(lu)(lu)大(da)橋(qiao)(qiao)(qiao)(qiao)約7km。公(gong)(gong)(gong)路(lu)(lu)北(bei)(bei)連接線起點(dian)在原陽縣祝樓鄉(xiang)閻莊南同(tong)G107順接,向南經原陽縣原武鎮與鄭(zheng)焦晉高速相(xiang)交(jiao),設(she)互通(tong)立(li)交(jiao)1座,然后以預(yu)應(ying)力砼連續箱梁(liang)跨越黃(huang)河(he)(he)(he)(he)北(bei)(bei)大(da)堤,跨黃(huang)河(he)(he)(he)(he)部(bu)分(fen)為公(gong)(gong)(gong)鐵(tie)(tie)(tie)合(he)(he)建(jian)(jian)大(da)橋(qiao)(qiao)(qiao)(qiao),公(gong)(gong)(gong)鐵(tie)(tie)(tie)合(he)(he)建(jian)(jian)長(chang)9.177km。公(gong)(gong)(gong)路(lu)(lu)經鄭(zheng)州(zhou)市(shi)惠(hui)濟區申莊村(cun)西(xi)側與規劃的北(bei)(bei)四環(huan)相(xiang)交(jiao)設(she)互通(tong)立(li)交(jiao)1座,終點(dian)位于鄭(zheng)州(zhou)市(shi)金水區小賀(he)莊接G107輔(fu)道。公(gong)(gong)(gong)路(lu)(lu)部(bu)分(fen)全長(chang)11.646公(gong)(gong)(gong)里(li)(li),公(gong)(gong)(gong)鐵(tie)(tie)(tie)合(he)(he)建(jian)(jian)長(chang)度為9.177公(gong)(gong)(gong)里(li)(li)。目前是(shi)黃(huang)河(he)(he)(he)(he)上較長(chang),也(ye)是(shi)河(he)(he)(he)(he)南省境內特大(da)型公(gong)(gong)(gong)鐵(tie)(tie)(tie)兩(liang)用橋(qiao)(qiao)(qiao)(qiao),公(gong)(gong)(gong)路(lu)(lu)部(bu)分(fen)設(she)計(ji)荷載標準為標準公(gong)(gong)(gong)路(lu)(lu)一級的1.3倍,設(she)計(ji)時(shi)速為每小時(shi)一百(bai)公(gong)(gong)(gong)里(li)(li)。
鄭(zheng)新(xin)黃(huang)河大(da)橋(qiao)(qiao)按照一(yi)級公(gong)(gong)(gong)(gong)路標準(zhun)設(she)計,雙向六車道布置,采用(yong)瀝青混(hun)凝土(tu)路面。其中,公(gong)(gong)(gong)(gong)鐵(tie)(tie)合建(jian)的(de)(de)鄭(zheng)州(zhou)黃(huang)河公(gong)(gong)(gong)(gong)鐵(tie)(tie)兩(liang)用(yong)橋(qiao)(qiao)是(shi)目(mu)前世界(jie)上(shang)較長的(de)(de)公(gong)(gong)(gong)(gong)鐵(tie)(tie)兩(liang)用(yong)橋(qiao)(qiao),合建(jian)部分長9177米(mi);也(ye)是(shi)世界(jie)上(shang)設(she)計標準(zhun)較高的(de)(de)公(gong)(gong)(gong)(gong)鐵(tie)(tie)兩(liang)用(yong)橋(qiao)(qiao),鐵(tie)(tie)路設(she)計速度350公(gong)(gong)(gong)(gong)里/小時,公(gong)(gong)(gong)(gong)路設(she)計速度100公(gong)(gong)(gong)(gong)里/小時,荷(he)載為(wei)國家標準(zhun)的(de)(de)1.3倍。該橋(qiao)(qiao)結構形式新(xin),三主桁(heng)、斜邊桁(heng)主梁設(she)計為(wei)世界(jie)采用(yong),以(yi)滿足橋(qiao)(qiao)面上(shang)寬下窄的(de)(de)要求;大(da)橋(qiao)(qiao)施(shi)工方法新(xin),主橋(qiao)(qiao)鋼梁采用(yong)多(duo)點(dian)同步拖(tuo)拉(la)架設(she)技(ji)術(shu)。
鄭(zheng)新(xin)黃河大橋項(xiang)目(mu)的建(jian)(jian)設(she),對緩解107國道鄭(zheng)州(zhou)黃河公路大橋交通(tong)瓶(ping)頸,完(wan)善我省交通(tong)運輸網絡,加強鄭(zheng)州(zhou)、新(xin)鄉兩市(shi)合作(zuo)交流,加快以(yi)鄭(zheng)州(zhou)為中(zhong)心(xin)的中(zhong)原城市(shi)群(qun)建(jian)(jian)設(she),實現黃河兩岸城市(shi)資(zi)源共享、產業互補、生態共建(jian)(jian),推(tui)動我省經濟社會(hui)快速(su)全面協(xie)調(diao)發展,促進中(zhong)部地區崛起具有重要(yao)意義。
2010年9月29日上午9:00,鄭新(xin)黃河(he)大橋(qiao)公路橋(qiao)通(tong)車(che)儀(yi)式在(zai)鄭州舉行。
鄭(zheng)新(xin)公鐵兩用(yong)橋的下部分(fen),即(ji)鄭(zheng)州至石家(jia)莊高速鐵路部分(fen)還正(zheng)在加快(kuai)建設中(zhong),預(yu)計(ji)2012年建成通車。