田(tian)東(dong)至天等公路百咘上屯隧道貫通
“見(jian)光(guang)了，見(jian)光(guang)了！”11月(yue)24日，田東(dong)至天等公路工(gong)(gong)程控(kong)制性工(gong)(gong)程取(qu)得(de)重大(da)進展(zhan)，東(dong)天2標百咘上屯隧道順利貫(guan)通，施工(gong)(gong)現場傳來了工(gong)(gong)人(ren)們的陣(zhen)陣(zhen)歡呼。
百(bai)咘(bu)上(shang)屯(tun)隧道(dao)洞口(kou)仰坡(po)陡立，地質(zhi)(zhi)情況較(jiao)為復雜，自(zi)今年6月(yue)份開(kai)始施工(gong)以(yi)來，項目在(zai)保證(zheng)工(gong)程質(zhi)(zhi)量(liang)和施工(gong)安全的前提下，嚴格(ge)執(zhi)行“先探(tan)測、短進(jin)尺(chi)、弱擾動、強支護、快封閉、勤(qin)量(liang)測”的原則，精(jing)心組(zu)織，科(ke)學施工(gong)，優化(hua)開(kai)挖方法(fa)和完善出洞方案，使得(de)隧道(dao)上(shang)臺階得(de)以(yi)按計劃順(shun)利貫通。目前，隧道(dao)二襯(chen)和明(ming)洞施工(gong)也在(zai)有序緊張(zhang)地開(kai)展。