11月21日10時許,隨(sui)著工(gong)業(ye)電梯緩緩升起,最(zui)后一(yi)車渣土運出,由(you)中(zhong)國(guo)水(shui)(shui)利水(shui)(shui)電第(di)五(wu)工(gong)程局承建的(de)山西大水(shui)(shui)網東(dong)山供水(shui)(shui)工(gong)程施(shi)工(gong)五(wu)標隧洞(dong),歷(li)經7年(nian)多的(de)艱苦奮(fen)戰終于安全順利貫(guan)通,為(wei)實現(xian)海河流域牽手汾(fen)河流域邁出了堅(jian)定的(de)一(yi)步。
東山(shan)供(gong)水(shui)(shui)(shui)施(shi)工(gong)五標(biao)(biao)位(wei)于(yu)晉中市榆社(she)縣云竹(zhu)水(shui)(shui)(shui)庫庫尾(wei)、胡(hu)莊水(shui)(shui)(shui)庫下(xia)游(you)的(de)長治市武(wu)鄉縣石(shi)盤農業開(kai)發(fa)區(qu)黃土(tu)低山(shan)丘陵地(di)帶,是東山(shan)工(gong)程輸水(shui)(shui)(shui)線路總干線上(shang)的(de)關鍵(jian)標(biao)(biao)段(duan),地(di)質(zhi)多為含(han)砂(sha)低液性(xing)粘土(tu)、濕飽和,含(han)水(shui)(shui)(shui)量大(da)且(qie)地(di)下(xia)水(shui)(shui)(shui)位(wei)于(yu)洞(dong)(dong)頂以上(shang),工(gong)程區(qu)域內卵(luan)石(shi)、流砂(sha)、空腔(qiang)等不利地(di)質(zhi)情況常見,地(di)質(zhi)條件(jian)復雜,成洞(dong)(dong)條件(jian)極(ji)差,不可預(yu)見性(xing)地(di)質(zhi)災害頻發(fa)。工(gong)程開(kai)工(gong)建設以來,發(fa)生塌方突(tu)水(shui)(shui)(shui)涌泥40多次,洞(dong)(dong)內涌泥更大(da)從(cong)掌(zhang)子面向(xiang)外滿洞(dong)(dong)推行135m,洞(dong)(dong)外形(xing)成埋深78m、直徑約(yue)15m的(de)冒頂塌穴,是東山(shan)供(gong)水(shui)(shui)(shui)工(gong)程的(de)節點標(biao)(biao)段(duan)。
針對(dui)施工五(wu)標(biao)復雜(za)艱難(nan)的(de)施工情況,有關領(ling)導高度重視,多(duo)次聽取(qu)匯報、現場指(zhi)導并蹲點研(yan)判,各(ge)方(fang)專家多(duo)次到(dao)現場把脈會診探(tan)尋(xun)方(fang)案,建管局與設(she)計、監理(li)聯合(he)攻關,承建方(fang)總部(bu)全力支持,參建各(ge)單位以擔當的(de)精神、必勝的(de)決心、頑強的(de)斗志、科學的(de)研(yan)判,多(duo)方(fang)聯動、攻堅克難(nan),實(shi)現了(le)隧洞安全貫通,破解了(le)取(qu)水(shui)(shui)區(qu)到(dao)受水(shui)(shui)區(qu)的(de)瓶頸。(文自(zi)黃河新聞(wen)網 中(zhong)國(guo)污水(shui)(shui)處(chu)理(li)工程網)