東營至青州高速公路改擴建工程項目小清河特大橋至陽河互通段實現雙向通行

12月(yue)20日，鐵路工(gong)程公(gong)司參(can)建的(de)東營(ying)至青州高速公(gong)路改擴(kuo)建工(gong)程項目小清河特大橋至陽(yang)河互(hu)通段實(shi)現雙向通行，標志著東青高速改擴(kuo)建工(gong)程東營(ying)段正(zheng)式通車。

項目按照“半幅(fu)封閉施(shi)(shi)工(gong)(gong)(gong)、半幅(fu)單向保通(tong)”交通(tong)組織(zhi)方(fang)案，于2024年1月完成(cheng)左幅(fu)拓寬改(gai)造(zao)，東營方(fang)向通(tong)行全面(mian)(mian)轉(zhuan)序至(zhi)新建(jian)半幅(fu)，關鍵性工(gong)(gong)(gong)程節(jie)點大清(qing)(qing)河特(te)大橋(qiao)(qiao)于今年9月1日(ri)順(shun)利合(he)龍。改(gai)擴建(jian)工(gong)(gong)(gong)程舊橋(qiao)(qiao)拆除、橋(qiao)(qiao)梁(liang)(liang)拼(pin)接、路基拼(pin)接為施(shi)(shi)工(gong)(gong)(gong)重、難(nan)點，其中(zhong)小清(qing)(qing)河特(te)大橋(qiao)(qiao)（1427m）施(shi)(shi)工(gong)(gong)(gong)工(gong)(gong)(gong)藝復雜，且施(shi)(shi)工(gong)(gong)(gong)范圍靠近516國道，工(gong)(gong)(gong)期(qi)較長，是制約全線貫通(tong)、影響(xiang)工(gong)(gong)(gong)期(qi)的關鍵點，項目合(he)理規劃、安全施(shi)(shi)工(gong)(gong)(gong)、緊抓工(gong)(gong)(gong)期(qi)、攻堅克難(nan)，解(jie)決了一系列難(nan)題(ti)。在小清(qing)(qing)河特(te)大橋(qiao)(qiao)跨小清(qing)(qing)河航道、引(yin)黃濟青(qing)干渠等水位(wei)較高的位(wei)置(zhi)承臺施(shi)(shi)工(gong)(gong)(gong)采(cai)用(yong)鋼(gang)板樁圍堰，兩聯懸(xuan)澆(jiao)箱梁(liang)(liang)采(cai)用(yong)支架現(xian)澆(jiao)與掛籃懸(xuan)澆(jiao)工(gong)(gong)(gong)藝，并配備4臺帶(dai)有(you)智能(neng)監控(kong)系統的塔吊(diao)輔助施(shi)(shi)工(gong)(gong)(gong)，保證(zheng)施(shi)(shi)工(gong)(gong)(gong)生產(chan)安全與進度。在橋(qiao)(qiao)頭路基和橋(qiao)(qiao)梁(liang)(liang)銜接段采(cai)用(yong)高速液壓夯補強、液態(tai)粉煤灰臺背回(hui)填(tian)等技(ji)術(shu)，有(you)效減少了臺背與橋(qiao)(qiao)臺的不(bu)均勻沉(chen)降的問題(ti)。同時，使用(yong)激光(guang)三維攤(tan)鋪機(ji)攤(tan)鋪，搭配手扶式(shi)抹(mo)光(guang)機(ji)和自(zi)重式(shi)抹(mo)光(guang)機(ji)收(shou)面(mian)(mian)，保證(zheng)橋(qiao)(qiao)面(mian)(mian)平(ping)整度，厚度，坡(po)度，顯著提升通(tong)行舒適度。

項(xiang)(xiang)目(mu)共計推廣(guang)24項(xiang)(xiang)“四新”技術，其中項(xiang)(xiang)目(mu)K69+300-K74+300路段(duan)采用環(huan)保穩定型(xing)橡膠(jiao)瀝(li)青，占公司所建路段(duan)11.7%，與間斷級(ji)配礦料(liao)組成橡膠(jiao)瀝(li)青混(hun)合料(liao)后，能(neng)夠提高路面(mian)抗(kang)(kang)疲勞開(kai)裂、抗(kang)(kang)車轍能(neng)力、低溫抗(kang)(kang)裂性(xing)、抗(kang)(kang)水損害能(neng)力等方面(mian)的(de)性(xing)能(neng)。項(xiang)(xiang)目(mu)積(ji)極開(kai)展數(shu)字(zi)化轉(zhuan)型(xing)，積(ji)極探索塔(ta)吊智能(neng)監(jian)控(kong)數(shu)字(zi)化轉(zhuan)型(xing)，實時觀測(ce)塔(ta)吊運行狀態，提前規避(bi)操作風險，采用“千(qian)里眼”可視(shi)化管理 、安(an)全(quan)(quan)(quan)監(jian)測(ce)與預警模(mo)塊(kuai)在深基(ji)坑中的(de)使用、電子識別監(jian)控(kong)系統、VR安(an)全(quan)(quan)(quan)教育體驗中心等科技手段(duan)加強現(xian)場安(an)全(quan)(quan)(quan)文明施(shi)工管理，全(quan)(quan)(quan)力打造“平安(an)百年(nian)品質工程(cheng)”。

東(dong)(dong)(dong)青高(gao)速公(gong)路(lu)(lu)是國家(jia)高(gao)速公(gong)路(lu)(lu)網(wang)中(zhong)的18條東(dong)(dong)(dong)西(xi)橫(heng)線(xian)(xian)的一(yi)橫(heng)和11條南北(bei)(bei)縱(zong)線(xian)(xian)的一(yi)縱(zong)，是貫(guan)穿東(dong)(dong)(dong)營(ying)(ying)市南北(bei)(bei)和青州(zhou)市的交通(tong)大(da)動(dong)脈(mo)，也是連接膠(jiao)東(dong)(dong)(dong)半島、山東(dong)(dong)(dong)東(dong)(dong)(dong)南部通(tong)往京津(jin)地區的黃金通(tong)道。本次通(tong)車(che)路(lu)(lu)段(duan)全長32.138公(gong)里（外加(jia)長鏈10.898m），采用雙向(xiang)八車(che)道高(gao)速公(gong)路(lu)(lu)標準，全線(xian)(xian)設(she)計速度120公(gong)里/小時，途徑東(dong)(dong)(dong)營(ying)(ying)市農高(gao)區、廣(guang)饒(rao)縣，濰坊(fang)青州(zhou)市，沿(yan)線(xian)(xian)廣(guang)饒(rao)，大(da)王，陽河收費站(zhan)同步恢(hui)復(fu)雙向(xiang)通(tong)行。該(gai)路(lu)(lu)段(duan)通(tong)車(che)后，將有(you)效改善區域交通(tong)條件，進(jin)一(yi)步完善山東(dong)(dong)(dong)省高(gao)速公(gong)路(lu)(lu)網(wang)絡布局，對(dui)促進(jin)區域經濟社會發展具有(you)重要意(yi)義。