鴨(ya)池(chi)河大橋(qiao)(qiao)2016年5月(yue)20日(ri)，貴陽至黔(qian)(qian)西(xi)高(gao)(gao)速公路鴨(ya)池(chi)河大橋(qiao)(qiao)順利合龍(long)。這座主跨長達800米(mi)(mi)、全(quan)長1450米(mi)(mi)的大橋(qiao)(qiao)是世界(jie)上較大跨徑的鋼桁梁斜拉橋(qiao)(qiao)，也是世界(jie)山(shan)區斜拉橋(qiao)(qiao)之(zhi)最。鴨(ya)池(chi)河大橋(qiao)(qiao)是貴黔(qian)(qian)高(gao)(gao)速的控制性工(gong)程，位于烏江源百(bai)里畫廊(lang)，跨越鴨(ya)池(chi)河，距貴陽觀山(shan)湖(hu)區45千米(mi)(mi)，距畢節市黔(qian)(qian)西(xi)縣25千米(mi)(mi)。大橋(qiao)(qiao)橋(qiao)(qiao)面寬(kuan)28米(mi)(mi)，全(quan)長1450米(mi)(mi)，主塔采(cai)用(yong)H型索塔，貴陽岸塔高(gao)(gao)243.2米(mi)(mi)、黔(qian)(qian)西(xi)岸塔高(gao)(gao)258.2米(mi)(mi)。總投資達到(dao)7.8億元。
大橋位于貴黔(qian)高(gao)速上，貴陽(yang)清鎮市(shi)和畢節黔(qian)西縣交界處。
鴨池河特大(da)橋是(shi)一(yi)座(zuo)雙塔雙索面(mian)(mian)半漂浮(fu)體(ti)系的(de)混合梁(liang)斜(xie)拉(la)橋，中跨為(wei)鋼桁梁(liang)結(jie)構(gou)，邊(bian)跨為(wei)220米(mi)預應力(li)混凝土雙邊(bian)箱PC箱梁(liang)結(jie)構(gou)，是(shi)目前(qian)(qian)采用鋼絞線斜(xie)拉(la)索的(de)較(jiao)大(da)跨徑斜(xie)拉(la)橋，橋址(zhi)深切“U”型峽谷(gu)之(zhi)中，橋面(mian)(mian)至(zhi)水面(mian)(mian)高(gao)差360m，地(di)(di)質條件復(fu)雜，河谷(gu)之(zhi)間(jian)的(de)通風(feng)(feng)口上較(jiao)大(da)風(feng)(feng)力(li)可達到8級，典(dian)型的(de)山(shan)區(qu)大(da)跨徑橋梁(liang)施(shi)工(gong)(gong)(gong)(gong)，具有“高(gao)、特、難(nan)、新”等(deng)特點(dian)。項(xiang)目位(wei)于貴州偏西北的(de)崇(chong)山(shan)峻嶺之(zhi)中，交通不便，惡劣(lie)天氣出行極(ji)為(wei)困(kun)難(nan)，且施(shi)工(gong)(gong)(gong)(gong)場(chang)地(di)(di)極(ji)其狹窄，自然地(di)(di)面(mian)(mian)坡度(du)大(da)、陡傾，施(shi)工(gong)(gong)(gong)(gong)便道(dao)彎(wan)多路窄，最(zui)小轉彎(wan)半徑不到10m，臨(lin)邊(bian)則(ze)多是(shi)高(gao)山(shan)深崖，雨雪、大(da)風(feng)(feng)、大(da)霧、凝凍等(deng)天氣占全(quan)年總天數(shu)的(de)57.2%。面(mian)(mian)對眾多結(jie)構(gou)型式、地(di)(di)質、自然環境(jing)、地(di)(di)理環境(jing)、高(gao)塔施(shi)工(gong)(gong)(gong)(gong)作(zuo)業、構(gou)件吊裝、交叉作(zuo)業等(deng)方(fang)面(mian)(mian)的(de)工(gong)(gong)(gong)(gong)程(cheng)技術(shu)特點(dian)、風(feng)(feng)險源(yuan)、關(guan)鍵控制(zhi)點(dian)等(deng)，全(quan)體(ti)監理人員團(tuan)結(jie)協作(zuo)，總會走在解決問題的(de)最(zui)前(qian)(qian)方(fang)，在工(gong)(gong)(gong)(gong)作(zuo)中特別強調為(wei)業主、為(wei)施(shi)工(gong)(gong)(gong)(gong)單位(wei)服(fu)務的(de)思想意識(shi)，并把監理工(gong)(gong)(gong)(gong)作(zuo)的(de)事前(qian)(qian)、事中、事后控制(zhi)與(yu)為(wei)工(gong)(gong)(gong)(gong)程(cheng)提(ti)供優質服(fu)務的(de)思想牢牢相結(jie)合，樹立責任(ren)意識(shi)，同參建各方(fang)克服(fu)困(kun)難(nan)，對每個施(shi)工(gong)(gong)(gong)(gong)環節(jie)認(ren)真負責地(di)(di)把好(hao)關(guan)。截(jie)至(zhi)目前(qian)(qian)鴨池河特大(da)橋工(gong)(gong)(gong)(gong)程(cheng)進展順利(li)，取得了(le)質量安(an)全(quan)零事故的(de)優益成(cheng)績。
項目總監趙瑞明介紹，該(gai)項目建設主(zhu)要(yao)有著四個(ge)(ge)(ge)方面的(de)(de)特(te)點和挑(tiao)戰，第(di)一，不(bu)利氣候條件。大(da)(da)橋(qiao)地處烏蒙(meng)山區(qu)，四季氣溫變(bian)化差異較大(da)(da)，每年(nian)5～10月為(wei)(wei)雨季，加(jia)(jia)之該(gai)地區(qu)雨雪(xue)霧、大(da)(da)風(feng)等惡劣天氣較多(duo)(duo)，嚴重影響(xiang)并對施工(gong)(gong)(gong)測量(liang)(liang)、鋼(gang)桁梁吊裝(zhuang)等施工(gong)(gong)(gong)作(zuo)(zuo)業及生(sheng)產(chan)效率的(de)(de)提(ti)高(gao)(gao)都(dou)有很大(da)(da)的(de)(de)影響(xiang)，施工(gong)(gong)(gong)風(feng)險控(kong)(kong)制要(yao)求高(gao)(gao)。第(di)二(er)，施工(gong)(gong)(gong)場地受限。橋(qiao)址處于峽谷中，場地極(ji)為(wei)(wei)狹(xia)窄(zhai)，給鋼(gang)桁梁拼裝(zhuang)及運輸(shu)等施工(gong)(gong)(gong)組織(zhi)協調帶來極(ji)大(da)(da)挑(tiao)戰，鋼(gang)桁梁采用(yong)纜索(suo)吊吊裝(zhuang)，起吊噸位達350噸以上(shang)，在國(guo)內鋼(gang)桁梁施工(gong)(gong)(gong)中屬于首例。第(di)三，施工(gong)(gong)(gong)精(jing)度(du)要(yao)求高(gao)(gao)。鋼(gang)桁梁采用(yong)大(da)(da)節(jie)段、長(chang)懸(xuan)臂拼裝(zhuang)，最大(da)(da)拼裝(zhuang)長(chang)度(du)400米，線(xian)型控(kong)(kong)制尤為(wei)(wei)關(guan)鍵(jian)，長(chang)懸(xuan)臂拼裝(zhuang)狀態軸線(xian)與(yu)標(biao)高(gao)(gao)的(de)(de)精(jing)度(du)控(kong)(kong)制和調整都(dou)十(shi)分(fen)困難，軸線(xian)偏差精(jing)度(du)標(biao)高(gao)(gao)控(kong)(kong)制在10毫米以內，對施工(gong)(gong)(gong)質量(liang)(liang)控(kong)(kong)制要(yao)求很高(gao)(gao)。第(di)四、施工(gong)(gong)(gong)安(an)(an)全(quan)(quan)(quan)(quan)風(feng)險大(da)(da)。基(ji)于本工(gong)(gong)(gong)程施工(gong)(gong)(gong)特(te)點，我們十(shi)分(fen)重視安(an)(an)全(quan)(quan)(quan)(quan)生(sheng)產(chan)管(guan)控(kong)(kong)與(yu)監理工(gong)(gong)(gong)作(zuo)(zuo)，并積極(ji)組織(zhi)召(zhao)開(kai)有關(guan)加(jia)(jia)強(qiang)質量(liang)(liang)、安(an)(an)全(quan)(quan)(quan)(quan)技術交底和培訓教育的(de)(de)會議，使全(quan)(quan)(quan)(quan)體人(ren)員安(an)(an)全(quan)(quan)(quan)(quan)思想從“要(yao)我安(an)(an)全(quan)(quan)(quan)(quan)”自(zi)覺的(de)(de)轉(zhuan)變(bian)成(cheng)“我要(yao)安(an)(an)全(quan)(quan)(quan)(quan)”，養成(cheng)變(bian)被動為(wei)(wei)主(zhu)動的(de)(de)安(an)(an)全(quan)(quan)(quan)(quan)質量(liang)(liang)意(yi)識(shi)。多(duo)(duo)種管(guan)理方式相結合，每個(ge)(ge)(ge)人(ren)都(dou)應及時的(de)(de)發現并排查自(zi)身周邊(bian)的(de)(de)安(an)(an)全(quan)(quan)(quan)(quan)隱患，并予以排除，從而使整個(ge)(ge)(ge)工(gong)(gong)(gong)程項目的(de)(de)安(an)(an)全(quan)(quan)(quan)(quan)生(sheng)產(chan)和工(gong)(gong)(gong)程質量(liang)(liang)得以保持在一個(ge)(ge)(ge)可(ke)控(kong)(kong)的(de)(de)狀態。
為(wei)(wei)解決技(ji)(ji)(ji)術(shu)難題(ti)、保(bao)證鴨(ya)池河大(da)(da)橋建成優質工(gong)(gong)程，大(da)(da)橋建設者們以“中(zhong)國建設工(gong)(gong)程魯(lu)班(ban)獎”為(wei)(wei)目標，積極開展科技(ji)(ji)(ji)攻關，在(zai)“索(suo)塔(ta)節段鋼(gang)筋整體吊裝施工(gong)(gong)技(ji)(ji)(ji)術(shu)”、“冬季高塔(ta)蒸養成套技(ji)(ji)(ji)術(shu)”、“350噸大(da)(da)跨徑纜索(suo)吊工(gong)(gong)程應用技(ji)(ji)(ji)術(shu)”、“鋼(gang)桁梁組裝與(yu)整體吊裝聯合施工(gong)(gong)技(ji)(ji)(ji)術(shu)”、“連(lian)體掛籃懸(xuan)臂與(yu)落地大(da)(da)鋼(gang)管支架(jia)施工(gong)(gong)工(gong)(gong)藝(yi)”五個方面取得(de)重大(da)(da)突(tu)破，實現了(le)(le)重大(da)(da)創新，保(bao)證了(le)(le)大(da)(da)橋建設順(shun)利(li)推進(jin)。
歲月靜好 
