文章來源:廣東省(sheng)交通(tong)集團有限(xian)公司(si) 發布時(shi)間:2019-01-24
1月22日,廣東興寧至(zhi)汕尾高速海豐至(zhi)紅(hong)海灣開發區段油柑嶺隧道左線順利貫通,這是(shi)廣東省交通集團承建的興汕項目貫通的第一座(zuo)隧道。

鉆孔施工

隧道進口
油(you)柑(gan)嶺隧(sui)道(dao)(dao)位于廣東省汕尾市海(hai)豐縣境內,由中國路橋集(ji)團西安實(shi)業(ye)發(fa)展有(you)限公司負責施工,隧(sui)道(dao)(dao)平均單洞(dong)長度(du)為455米,隧(sui)道(dao)(dao)左右兩(liang)線間距離僅有(you)21米,屬于小凈距隧(sui)道(dao)(dao)。隧(sui)道(dao)(dao)埋深(shen)淺,地形起伏大(da)、山(shan)體(ti)植被茂(mao)密,地質條件復雜,周邊施工環境差(cha),極易(yi)發(fa)生(sheng)大(da)變形、塌方,安全風險高、施工難度(du)大(da)。
自(zi)開工(gong)(gong)(gong)以來,興汕(shan)高速建(jian)設者堅定不移踐行“工(gong)(gong)(gong)匠精神,創(chuang)建(jian)精品(pin)”建(jian)設理念,嚴格(ge)按(an)照“管超前、短(duan)進(jin)(jin)尺、弱擾動、強支護、快封閉(bi)、勤量(liang)測(ce)”的(de)原則進(jin)(jin)行施工(gong)(gong)(gong),推廣“零(ling)開挖”的(de)進(jin)(jin)洞理念。在技術(shu)上(shang)積極(ji)創(chuang)新,施工(gong)(gong)(gong)方案不斷優化,確保安全質量(liang)和進(jin)(jin)度,推動了(le)左線隧(sui)道的(de)順利貫通。
興汕高(gao)(gao)速公(gong)(gong)(gong)路(lu)海(hai)豐(feng)至紅(hong)海(hai)灣開(kai)發區段(duan)是(shi)廣(guang)東(dong)省高(gao)(gao)速公(gong)(gong)(gong)路(lu)網(wang)中“二縱”(汕尾(wei)至江西(xi)瑞金)的(de)重(zhong)(zhong)要組成部分,是(shi)粵東(dong)地區通往粵北、贛東(dong)南的(de)重(zhong)(zhong)要通道,路(lu)線總體呈南北走向。項目一期工程(cheng)路(lu)線長度21.84公(gong)(gong)(gong)里,采用四車道高(gao)(gao)速公(gong)(gong)(gong)路(lu)建設標準,設計時速100公(gong)(gong)(gong)里/小時,路(lu)線起于(yu)汕尾(wei)市(shi)海(hai)豐(feng)縣(xian)平東(dong)鎮(zhen),接(jie)已通車的(de)潮惠(hui)(hui)高(gao)(gao)速公(gong)(gong)(gong)路(lu),終點位于(yu)海(hai)豐(feng)縣(xian)赤坑鎮(zhen),接(jie)汕尾(wei)市(shi)規劃(hua)的(de)珠東(dong)快速路(lu),建成后(hou)它將(jiang)潮惠(hui)(hui)高(gao)(gao)速公(gong)(gong)(gong)路(lu)、沈海(hai)高(gao)(gao)速公(gong)(gong)(gong)路(lu)連(lian)接(jie)起來,將(jiang)構成汕尾(wei)市(shi)南北交通大動(dong)脈,對于(yu)促進(jin)區域(yu)高(gao)(gao)速公(gong)(gong)(gong)路(lu)網(wang)完善,促進(jin)區域(yu)振興發展具有(you)十分重(zhong)(zhong)要的(de)意義(yi)。
按照(zhao)計劃(hua),項目一期(qi)工程將在(zai)2019年(nian)底建成通車。
【責任編輯:張維】