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和襄高速六安段大別山隧道工程正式動工

  6月3日,中國能(neng)建葛洲壩集(ji)團投資建設的和襄高(gao)速大別山隧道工程正式動(dong)工。

  大別山(shan)隧(sui)道(dao)(dao)(dao)位于安(an)徽省(sheng)金寨縣(xian)西部,為(wei)省(sheng)界(jie)特長(chang)(chang)分離(li)式隧(sui)道(dao)(dao)(dao),由皖、豫(yu)兩省(sheng)合建,全長(chang)(chang)6592.8米,是(shi)和(he)襄高速項(xiang)目(mu)六安(an)段(duan)的重點控制性(xing)工程,隧(sui)道(dao)(dao)(dao)打通建成后,將直接連(lian)接皖、豫(yu)兩省(sheng),安(an)徽將再增一條出省(sheng)快速通道(dao)(dao)(dao)。其(qi)(qi)中,安(an)徽段(duan)長(chang)(chang)4324.2米,左右雙洞總長(chang)(chang)8636.8米,建設工期預計兩年半。隧(sui)址區內地形起伏較大,地質構(gou)造極(ji)其(qi)(qi)復(fu)雜,四次跨越斷層,巖體破碎,施工風險(xian)等級較高,難(nan)度較大。

  為確保隧道開工(gong)(gong)(gong)后實現安全優質高效履約,項目部充分準備,選(xuan)派精兵強(qiang)將、集(ji)中優良裝備投入(ru)工(gong)(gong)(gong)程建設,統籌(chou)規劃,優化(hua)(hua)施工(gong)(gong)(gong)方案,擬采用明(ming)挖(wa)(wa)法進(jin)行(xing)隧道明(ming)洞(dong)段施工(gong)(gong)(gong),采用新奧法進(jin)行(xing)隧道暗洞(dong)段施工(gong)(gong)(gong),采用機(ji)械化(hua)(hua)作(zuo)業和(he)無軌運輸方式深入(ru)挖(wa)(wa)掘,全方位保障施工(gong)(gong)(gong)進(jin)度和(he)施工(gong)(gong)(gong)質量(liang)。

  和襄(xiang)高(gao)速六安段是六安市(shi)有史以來(lai)建設規(gui)模最(zui)大、投(tou)資(zi)額最(zui)大的交通(tong)(tong)單體項目,總(zong)里(li)程(cheng)170.595公里(li),總(zong)投(tou)資(zi)約(yue)247億(yi)元。該項目是國家(jia)組合立體交通(tong)(tong)網(wang)和安徽省“五縱十橫(heng)”高(gao)速公路網(wang)的重要組成(cheng)(cheng)部(bu)分,項目建成(cheng)(cheng)通(tong)(tong)車后將成(cheng)(cheng)為六安聯(lian)系長三角地區(qu)主要城市(shi)、合肥都市(shi)圈(quan)、武(wu)漢都市(shi)圈(quan)和中原(yuan)腹地的戰略(lve)骨干通(tong)(tong)道,極大改善沿(yan)線四個縣區(qu)230萬群眾交通(tong)(tong)出行條件,為六安綠色振興趕超發展注入強勁(jing)動力(li)。