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工程概況

擴建后，水(shui)(shui)(shui)(shui)庫總(zong)庫容(rong)(rong)量由2360萬(wan)m3擴建至(zhi)14960萬(wan)m3（大二型水(shui)(shui)(shui)(shui)庫）。灌(guan)溉(gai)面(mian)(mian)積(ji)為32.84萬(wan)畝（其中改善灌(guan)溉(gai)面(mian)(mian)積(ji)18.27萬(wan)畝，新增灌(guan)溉(gai)面(mian)(mian)積(ji)14.57萬(wan)畝）。供水(shui)(shui)(shui)(shui)人口(kou)59.1萬(wan)人，按95%的(de)保證率供生(sheng)活(huo)和工業(ye)用水(shui)(shui)(shui)(shui)6118萬(wan)m3。擴建后玉灘水(shui)(shui)(shui)(shui)庫正常蓄(xu)水(shui)(shui)(shui)(shui)位(wei)(wei)351.60m，相應庫容(rong)(rong)1.321億m3，校核(he)洪水(shui)(shui)(shui)(shui)位(wei)(wei)353.31m，總(zong)庫容(rong)(rong)1.496億m3。水(shui)(shui)(shui)(shui)庫設計洪水(shui)(shui)(shui)(shui)標準為100年一(yi)遇洪水(shui)(shui)(shui)(shui)，洪峰流量為2230 m3/s；校核(he)洪水(shui)(shui)(shui)(shui)標準為2000年一(yi)遇洪水(shui)(shui)(shui)(shui)，洪峰流量為4270 m3/s。

工程結構

玉灘水庫樞紐建(jian)筑(zhu)(zhu)物(wu)主(zhu)要由主(zhu)壩(ba)(ba)(ba)(ba)、副壩(ba)(ba)(ba)(ba)、溢(yi)洪道(dao)及左(zuo)、右(you)岸(an)灌溉引水隧洞(dong)組成。水庫工程主(zhu)壩(ba)(ba)(ba)(ba)推(tui)薦(jian)壩(ba)(ba)(ba)(ba)型為瀝青(qing)心墻石渣壩(ba)(ba)(ba)(ba)，泄洪建(jian)筑(zhu)(zhu)物(wu)布置于左(zuo)岸(an)香爐(lu)石山(shan)左(zuo)側埡口(kou)處(chu)，灌溉引水隧洞(dong)分(fen)別布置在主(zhu)壩(ba)(ba)(ba)(ba)左(zuo)、右(you)兩(liang)岸(an)，主(zhu)壩(ba)(ba)(ba)(ba)壩(ba)(ba)(ba)(ba)址右(you)岸(an)埡口(kou)處(chu)布置7座漿砌石副壩(ba)(ba)(ba)(ba)。樞紐主(zhu)要建(jian)筑(zhu)(zhu)物(wu)主(zhu)壩(ba)(ba)(ba)(ba)、副壩(ba)(ba)(ba)(ba)、溢(yi)洪道(dao)、右(you)岸(an)灌溉引水隧洞(dong)為2級(ji)建(jian)筑(zhu)(zhu)物(wu)，其他(ta)次要建(jian)筑(zhu)(zhu)物(wu)為3級(ji)，左(zuo)岸(an)灌溉引水隧洞(dong)及其進水口(kou)按3級(ji)建(jian)筑(zhu)(zhu)物(wu)設(she)計，泵站工程等別為Ⅳ等，建(jian)筑(zhu)(zhu)物(wu)級(ji)別為4級(ji)。

玉灘水(shui)庫灌(guan)區(qu)劃分為左(zuo)干渠(qu)(qu)、右干渠(qu)(qu)和朱家廟提(ti)灌(guan)干渠(qu)(qu)、巖洞提(ti)灌(guan)區(qu)及庫內零星小型提(ti)灌(guan)站灌(guan)區(qu)，共5個灌(guan)區(qu)。渠(qu)(qu)道(dao)干渠(qu)(qu)長度共計96.85km，其中：明(ming)渠(qu)(qu)（含暗(an)渠(qu)(qu)、泵站水(shui)平管(guan)線）68.03km、渡(du)槽(cao)69座(zuo)7808.9m，隧洞74座(zuo)20631.9m，倒(dao)虹(hong)管(guan)1處375m、管(guan)道(dao)1處3353.8m，電(dian)力提(ti)灌(guan)6處總(zong)裝機4292kW。灌(guan)溉面積萬畝以上(shang)支渠(qu)(qu)3條(tiao)7.64km，其中：明(ming)渠(qu)(qu)（含暗(an)渠(qu)(qu)、泵站水(shui)平管(guan)線）5.325km、隧洞4座(zuo)1259.2m、渡(du)槽(cao)1座(zuo)133.0m、倒(dao)虹(hong)管(guan)3處923.0m。

工程作用

供給大足區(qu)的(de)珠溪、龍(long)(long)水(shui)(shui)、三驅、郵亭，雙(shuang)橋(qiao)區(qu)的(de)雙(shuang)路，榮(rong)昌(chang)(chang)縣的(de)路孔、雙(shuang)河、昌(chang)(chang)元、廣順、安(an)富等16個鎮，灌(guan)溉(gai)面積32.84萬(wan)畝；同(tong)時每年還供給大足縣城龍(long)(long)崗鎮、龍(long)(long)水(shui)(shui)鎮、雙(shuang)橋(qiao)區(qu)、榮(rong)昌(chang)(chang)縣城昌(chang)(chang)元鎮等16個鎮59.1萬(wan)人的(de)生活(huo)用(yong)水(shui)(shui)及(ji)工業用(yong)水(shui)(shui)。

獲獎情況

2011年(nian)，玉(yu)灘(tan)(tan)水(shui)(shui)(shui)庫(ku)工(gong)(gong)(gong)(gong)程(cheng)實現下閘蓄水(shui)(shui)(shui)；2012年(nian)9月，樞(shu)紐工(gong)(gong)(gong)(gong)程(cheng)以(yi)優(you)良的評價完成竣工(gong)(gong)(gong)(gong)及水(shui)(shui)(shui)保、檔案等(deng)全部單項驗收；11月，獲(huo)(huo)得了中國(guo)水(shui)(shui)(shui)利工(gong)(gong)(gong)(gong)程(cheng)優(you)質獎(jiang)(jiang)（大禹獎(jiang)(jiang)），玉(yu)灘(tan)(tan)工(gong)(gong)(gong)(gong)程(cheng)交出了一(yi)份合格答卷(juan)。11月17日(ri)，由住建部、中國(guo)建設(she)(she)業協會(hui)舉辦的2014-2015年(nian)度“中國(guo)建設(she)(she)工(gong)(gong)(gong)(gong)程(cheng)魯班(ban)(ban)獎(jiang)(jiang)”獲(huo)(huo)獎(jiang)(jiang)名單在北京公布(bu)，我(wo)市(shi)玉(yu)灘(tan)(tan)水(shui)(shui)(shui)庫(ku)擴建工(gong)(gong)(gong)(gong)程(cheng)獲(huo)(huo)得中國(guo)建設(she)(she)工(gong)(gong)(gong)(gong)程(cheng)魯班(ban)(ban)獎(jiang)(jiang)。這是(shi)今年(nian)全國(guo)水(shui)(shui)(shui)利工(gong)(gong)(gong)(gong)程(cheng)建設(she)(she)唯一(yi)一(yi)個(ge)魯班(ban)(ban)獎(jiang)(jiang)，也(ye)是(shi)我(wo)市(shi)水(shui)(shui)(shui)利工(gong)(gong)(gong)(gong)程(cheng)建設(she)(she)首次獲(huo)(huo)此殊榮。