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工程概述

工程目標

引子渡(du)(du)水(shui)(shui)電(dian)(dian)(dian)站(zhan)是“西(xi)電(dian)(dian)(dian)東(dong)送(song)”的首(shou)批項目之一(yi)，擔負(fu)著“黔電(dian)(dian)(dian)送(song)粵”的任務，它的興建對加快貴(gui)州水(shui)(shui)資(zi)源開發(fa)，促進貴(gui)州經濟(ji)發(fa)展，滿足廣東(dong)地區(qu)用電(dian)(dian)(dian)需求，將(jiang)起到積極的推(tui)動作用。引子渡(du)(du)水(shui)(shui)電(dian)(dian)(dian)站(zhan)位(wei)于貴(gui)州省烏江南源三岔(cha)河(he)(he)境內，左岸為織金縣(xian)，右岸為平壩縣(xian)。攔河(he)(he)大壩是高134.5米(mi)的鋼(gang)筋混凝(ning)土面板堆石(shi)壩，安裝3臺12萬千(qian)瓦發(fa)電(dian)(dian)(dian)機組，年發(fa)電(dian)(dian)(dian)量(liang)(liang)9.78億(yi)千(qian)瓦時。已(yi)于2003年實現(xian)投產發(fa)電(dian)(dian)(dian)。引子渡(du)(du)水(shui)(shui)電(dian)(dian)(dian)站(zhan)具有季調節性(xing)能，正常蓄水(shui)(shui)位(wei)1,086m，死水(shui)(shui)位(wei)1,052m，電(dian)(dian)(dian)站(zhan)最(zui)大引用流量(liang)(liang)435立方米(mi)/秒(miao)。普(pu)定(ding)水(shui)(shui)電(dian)(dian)(dian)站(zhan)最(zui)大引用流量(liang)(liang)為188立方米(mi)/秒(miao)，兩者(zhe)相差247立方米(mi)/秒(miao)，而普(pu)定(ding)至引子渡(du)(du)的區(qu)間流量(liang)(liang)僅18.8立方米(mi)/秒(miao)。

工程介紹

引(yin)子渡水電站位于平壩、織金兩(liang)縣交界(jie)處三岔河上的(de)引(yin)子渡水電站是七個首批開(kai)工(gong)的(de)“西(xi)電東(dong)送”工(gong)程(cheng)之一。參建的(de)水電八局、九(jiu)局、四局、十(shi)一局、十(shi)二局、武(wu)警水電總(zong)隊一支(zhi)隊4000多(duo)名建設者以及業主單位、設計、監理單位干部職工(gong)協同配合,奮力拼(pin)搏(bo),工(gong)程(cheng)進展順利。

按照工(gong)(gong)(gong)期要(yao)求,以確保2003年首臺機組發(fa)(fa)電(dian),而導流(liu)(liu)(liu)洞(dong)(dong)(dong)的(de)(de)開(kai)挖又是實(shi)現10月(yue)截流(liu)(liu)(liu)的(de)(de)關鍵。施(shi)工(gong)(gong)(gong)單位(wei)戰勝大規模(mo)塌方超過20次等(deng)(deng)困(kun)(kun)難,加快工(gong)(gong)(gong)程進(jin)度。右(you)(you)(you)岸(an)(an)(an)(an)導流(liu)(liu)(liu)洞(dong)(dong)(dong)上(shang)(shang)半洞(dong)(dong)(dong)已(yi)經(jing)貫(guan)通,下(xia)(xia)半洞(dong)(dong)(dong)工(gong)(gong)(gong)程僅剩下(xia)(xia)最(zui)后(hou)的(de)(de)70多(duo)米。負責左(zuo)(zuo)岸(an)(an)(an)(an)導流(liu)(liu)(liu)洞(dong)(dong)(dong)施(shi)工(gong)(gong)(gong)的(de)(de)武警水(shui)(shui)(shui)電(dian)一(yi)總隊(dui),發(fa)(fa)揚部(bu)隊(dui)敢于(yu)打(da)硬(ying)仗的(de)(de)傳統(tong)作風,克服(fu)地(di)質(zhi)條件不好,工(gong)(gong)(gong)期緊、任務(wu)重(zhong)等(deng)(deng)困(kun)(kun)難,推(tui)進(jin)安(an)全施(shi)工(gong)(gong)(gong),左(zuo)(zuo)岸(an)(an)(an)(an)導流(liu)(liu)(liu)洞(dong)(dong)(dong)進(jin)口明挖和(he)(he)支護工(gong)(gong)(gong)作已(yi)完成90%以上(shang)(shang),全長(chang)625米的(de)(de)導流(liu)(liu)(liu)洞(dong)(dong)(dong)只(zhi)差30余米就可實(shi)現全洞(dong)(dong)(dong)貫(guan)通。由水(shui)(shui)(shui)電(dian)四局和(he)(he)水(shui)(shui)(shui)電(dian)十一(yi)局聯營體中(zhong)標建設的(de)(de)引水(shui)(shui)(shui)隧洞(dong)(dong)(dong)和(he)(he)廠房工(gong)(gong)(gong)程也(ye)已(yi)開(kai)工(gong)(gong)(gong),為了搶(qiang)工(gong)(gong)(gong)期,水(shui)(shui)(shui)電(dian)十一(yi)局得到中(zhong)標通知后(hou),僅用(yong)6天就將有關設備從2000多(duo)公(gong)(gong)里(li)外的(de)(de)河南(nan)三(san)門峽市調到現場(chang)。進(jin)場(chang)公(gong)(gong)路、右(you)(you)(you)岸(an)(an)(an)(an)場(chang)內公(gong)(gong)路、上(shang)(shang)下(xia)(xia)游橋、左(zuo)(zuo)岸(an)(an)(an)(an)公(gong)(gong)路、左(zuo)(zuo)右(you)(you)(you)岸(an)(an)(an)(an)交(jiao)通洞(dong)(dong)(dong)均已(yi)竣工(gong)(gong)(gong)投入使用(yong)。左(zuo)(zuo)岸(an)(an)(an)(an)溢洪道(dao)于(yu)2002年2月(yue)12日成功地(di)進(jin)行了一(yi)次超過2萬(wan)方的(de)(de)開(kai)挖爆(bao)破,右(you)(you)(you)岸(an)(an)(an)(an)壩(ba)肩(jian)已(yi)開(kai)挖，到4月(yue)底將完成右(you)(you)(you)岸(an)(an)(an)(an)壩(ba)肩(jian)常水(shui)(shui)(shui)位(wei)以上(shang)(shang)的(de)(de)開(kai)挖工(gong)(gong)(gong)作。

工程驗收

質量驗收

國家(jia)工(gong)(gong)程(cheng)(cheng)(cheng)建(jian)設(she)質(zhi)量獎審(shen)定委(wei)員會、中(zhong)國施工(gong)(gong)企(qi)業管(guan)理協會公布了(le)2007年度國家(jia)優(you)質(zhi)工(gong)(gong)程(cheng)(cheng)(cheng)獲獎工(gong)(gong)程(cheng)(cheng)(cheng)名單，貴(gui)州烏江引子渡水電站榮(rong)獲國家(jia)優(you)質(zhi)工(gong)(gong)程(cheng)(cheng)(cheng)銀質(zhi)獎。

耗材

貴(gui)州烏江南源三岔河(he)境內的(de)引子渡水電站，總裝機容(rong)量36萬千瓦，攔河(he)大壩為(wei)鋼筋混(hun)凝(ning)土面(mian)板堆(dui)石(shi)壩，最大壩高(gao)129.5米，承擔(dan)施(shi)工(gong)任(ren)務(wu)的(de)中(zhong)國水電十二(er)局和中(zhong)國水電九局組成的(de)129聯營體，視工(gong)程(cheng)質量為(wei)企業生命。他們首先配置(zhi)一(yi)批先進(jin)設(she)備加(jia)以保(bao)證，同時組織了具(ju)有多座同類型(xing)、同規模面(mian)板堆(dui)石(shi)壩施(shi)工(gong)經驗(yan)的(de)管理(li)(li)人(ren)員和施(shi)工(gong)隊伍(wu)，制定周密的(de)施(shi)工(gong)計劃(hua)和質量保(bao)證體系(xi)，采取均衡(heng)生產、科學(xue)管理(li)(li)的(de)方法，使總填(tian)筑量320萬立方米。

左(zuo)岸溢洪道由引水明渠、控制(zhi)段(duan)、泄(xie)槽段(duan)和消能(neng)段(duan)組(zu)成，總長(chang)約600米(mi)。溢流(liu)(liu)堰頂高(gao)程1068米(mi)，共設三(san)孔11.5×18米(mi)弧型閘門進行控制(zhi)，泄(xie)槽最大流(liu)(liu)速每秒34米(mi)，按100年一遇洪水設計。承擔施(shi)工(gong)(gong)任務(wu)的中國水電(dian)九局，采用巖錨墻新技術，巧妙地(di)解決了溢洪道開挖(wa)與大壩填(tian)筑(zhu)(zhu)的施(shi)工(gong)(gong)干擾問題，由于他們的精心施(shi)工(gong)(gong)，基礎(chu)建基面(mian)開挖(wa)以及開挖(wa)邊坡的錨噴支護、混凝土澆筑(zhu)(zhu)、基礎(chu)固結(jie)灌漿等施(shi)工(gong)(gong)質量，滿足設計要(yao)求，經檢查驗收合格(ge)率(lv)和優良率(lv)均達到100%。

由(you)于(yu)工程沒有設(she)置專用(yong)料場，溢洪道和(he)大(da)壩基礎開挖(wa)的所有石(shi)渣全部用(yong)于(yu)大(da)壩填筑和(he)加工混(hun)凝(ning)土，石(shi)渣利用(yong)率達到85%以上，不僅節(jie)省了大(da)量(liang)工程投資，還(huan)最大(da)限度地(di)保護了生態(tai)環(huan)境。

總(zong)長約(yue)1100米(mi)的(de)發電引水(shui)(shui)隧洞，采用“一洞三機(ji)”的(de)布(bu)置型(xing)(xing)式，特別(bie)是壓力鋼(gang)管球(qiu)岔直徑達10.2米(mi)，在國內(nei)也不(bu)(bu)多見。水(shui)(shui)電九(jiu)局和“雙富”聯營體“壓力鋼(gang)管大型(xing)(xing)岔管組合焊接技術”的(de)成(cheng)功應(ying)用，不(bu)(bu)僅使(shi)鋼(gang)管的(de)體型(xing)(xing)完美，經對(dui)100%焊口(kou)進行(xing)超聲波檢驗(yan)和60%焊口(kou)進行(xing)射(she)線(xian)檢驗(yan)，合格率和優良品率全(quan)部達到(dao)100%。

布置在(zai)(zai)右岸(an)的岸(an)邊式地面廠(chang)房(fang)(fang)，長106米(mi)，寬44米(mi)，高59米(mi)，廠(chang)房(fang)(fang)內安裝3臺12萬千瓦(wa)水(shui)輪發(fa)電(dian)機組。副廠(chang)房(fang)(fang)布置在(zai)(zai)主廠(chang)房(fang)(fang)的左(zuo)右兩(liang)側。由水(shui)電(dian)四局和(he)水(shui)電(dian)十一局組成的411聯(lian)營(ying)體承擔施工(gong)(gong)。在(zai)(zai)施工(gong)(gong)中，首(shou)次(ci)采用異型滑模工(gong)(gong)藝，不僅大(da)大(da)地加快了施工(gong)(gong)進度，其(qi)工(gong)(gong)程質量(liang)經(jing)檢(jian)查驗收(shou)完全滿足設計要求。

榮獲獎項

國家(jia)工(gong)(gong)程建(jian)設質量獎(jiang)審定委員會、中國施(shi)工(gong)(gong)企(qi)業管(guan)理協會公布了2007年度國家(jia)優質工(gong)(gong)程獲獎(jiang)工(gong)(gong)程名單(dan)，貴(gui)州烏江引(yin)子渡(du)水電(dian)站榮獲國家(jia)優質工(gong)(gong)程銀質獎(jiang)。引(yin)子渡(du)水電(dian)站7個(ge)月時間內完成(cheng)，創造了大(da)壩快速施(shi)工(gong)(gong)的(de)全國紀錄。經(jing)對807個(ge)單(dan)元工(gong)(gong)程進行檢測，合(he)格率(lv)達(da)到100%，優良率(lv)達(da)到93.6%，被稱為貴(gui)州省水電(dian)的(de)樣(yang)板工(gong)(gong)程。

2000年11月8日，作(zuo)為國家(jia)計委宣布引子(zi)渡為西電(dian)東送首批(pi)項目開工，從大江截流到首臺機(ji)組(zu)發電(dian)，僅用18個月時間，創造了以“火(huo)電(dian)”工程(cheng)(cheng)速(su)度(du)建(jian)設“水電(dian)”工程(cheng)(cheng)的奇(qi)跡。