近期,京杭運河(he)(he)濟寧至東平(ping)段航(hang)道“三改二”(柳長河(he)(he)段)工程與(yu)東平(ping)湖(hu)老(lao)湖(hu)區(qu)洪水(shui)相機(ji)南(nan)排(pai)工程(以下(xia)簡稱“南(nan)排(pai)工程”)戧臺以下(xia)部分全部施工完成(cheng),具備通(tong)水(shui)通(tong)航(hang)投入使用階段驗收的條件,這(zhe)標志著(zhu)南(nan)排(pai)工程中“最難啃的骨(gu)頭”已被順利攻克。
為(wei)(wei)了滿(man)足(zu)南水(shui)(shui)北調(diao)輸水(shui)(shui)及航運需求,戧臺(tai)以下(xia)工(gong)(gong)(gong)程可利用的(de)施(shi)(shi)工(gong)(gong)(gong)窗口期(qi)僅(jin)為(wei)(wei)3個(ge)月,然(ran)而工(gong)(gong)(gong)程區(qu)(qu)緊(jin)鄰東平(ping)湖,地下(xia)水(shui)(shui)埋深淺(qian),降(jiang)排(pai)(pai)水(shui)(shui)問題突出(chu)(chu)。為(wei)(wei)做好降(jiang)排(pai)(pai)水(shui)(shui)工(gong)(gong)(gong)作,確(que)保主體工(gong)(gong)(gong)程順(shun)利實(shi)施(shi)(shi),項目(mu)組主動與當地水(shui)(shui)利部門對接,通(tong)過(guo)實(shi)地查勘(kan),座談調(diao)研,深入研究梁山縣水(shui)(shui)系圖、國(guo)那(nei)里(li)灌區(qu)(qu)水(shui)(shui)系圖,模擬計算現(xian)狀溝渠倒比降(jiang)排(pai)(pai)水(shui)(shui)水(shui)(shui)位(wei),最(zui)終確(que)定排(pai)(pai)水(shui)(shui)出(chu)(chu)路(lu);針對“施(shi)(shi)工(gong)(gong)(gong)標段多、排(pai)(pai)水(shui)(shui)時(shi)段集中、排(pai)(pai)水(shui)(shui)出(chu)(chu)路(lu)少”的(de)特(te)點,項目(mu)組提出(chu)(chu)了“化(hua)零為(wei)(wei)整(zheng)”的(de)集中排(pai)(pai)水(shui)(shui)方案,通(tong)過(guo)臨時(shi)泵站將(jiang)明水(shui)(shui)、地下(xia)水(shui)(shui)、降(jiang)雨匯水(shui)(shui)抽排(pai)(pai)至國(guo)那(nei)里(li)灌區(qu)(qu)、侯莊(zhuang)干(gan)溝,最(zui)終下(xia)泄(xie)至梁濟(ji)運河內。
集中排水(shui)(shui)方案有(you)效解(jie)決了(le)工程(cheng)區(qu)域(yu)內地(di)下水(shui)(shui)埋(mai)深(shen)淺,排水(shui)(shui)集中,排水(shui)(shui)量大的難題,為(wei)南排工程(cheng)按(an)期通(tong)水(shui)(shui)通(tong)航投(tou)入使用提(ti)供了(le)基(ji)礎保障,也為(wei)今后開展類似工程(cheng)排水(shui)(shui)設計積累了(le)寶貴(gui)經驗。
(排水前)
(排水后)
(臨時泵站)
(工程建成后)