文章來源(yuan)：上海(hai)市國資委 發布時間：2018-12-20
近日(ri)，由(you)(you)隧(sui)(sui)(sui)(sui)道(dao)股份承(cheng)建的(de)珠海(hai)橫(heng)琴(qin)長灣(wan)(wan)隧(sui)(sui)(sui)(sui)道(dao)雙(shuang)線(xian)(xian)(xian)(xian)實(shi)現貫通。珠海(hai)橫(heng)琴(qin)長灣(wan)(wan)隧(sui)(sui)(sui)(sui)道(dao)工(gong)(gong)(gong)程(cheng)(cheng)東線(xian)(xian)(xian)(xian)全長1072米，西(xi)線(xian)(xian)(xian)(xian)全長1025米，隧(sui)(sui)(sui)(sui)道(dao)成功穿越(yue)了硬巖層——Ⅳ級(ji)和(he)Ⅴ級(ji)圍巖占線(xian)(xian)(xian)(xian)路總長的(de)80％，強度可達60-120Mpa；“兩級(ji)”土(tu)(tu)層——工(gong)(gong)(gong)程(cheng)(cheng)南北側洞口開挖面以粉質(zhi)和(he)沙質(zhi)粘(zhan)性土(tu)(tu)為(wei)(wei)(wei)主，洞口下部分則以中(zhong)微風化花崗(gang)巖為(wei)(wei)(wei)主，為(wei)(wei)(wei)典型(xing)的(de)“上軟下硬”。由(you)(you)于工(gong)(gong)(gong)程(cheng)(cheng)位于長隆景區，項(xiang)目(mu)部將環境保護列為(wei)(wei)(wei)重點工(gong)(gong)(gong)作，專人監控、灑水(shui)車24小時在(zai)(zai)崗(gang)、保持道(dao)路無(wu)遺落土(tu)(tu)方石，并順利通過了“廣東省房(fang)屋市(shi)政工(gong)(gong)(gong)程(cheng)(cheng)安全生產文明施工(gong)(gong)(gong)示(shi)范工(gong)(gong)(gong)地(di)”復評，達成了隧(sui)(sui)(sui)(sui)道(dao)建設期間安全文明施工(gong)(gong)(gong)的(de)創(chuang)優(you)目(mu)標(biao)。長灣(wan)(wan)隧(sui)(sui)(sui)(sui)道(dao)去年10月中(zhong)標(biao)、年底實(shi)施首爆。鏖戰一年，穿越(yue)大橫(heng)琴(qin)山，實(shi)現了在(zai)(zai)華南市(shi)場(chang)首條礦山法隧(sui)(sui)(sui)(sui)道(dao)的(de)貫通。