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工程概況

擴(kuo)建(jian)后，水(shui)(shui)庫(ku)(ku)總庫(ku)(ku)容(rong)量由2360萬(wan)m3擴(kuo)建(jian)至14960萬(wan)m3（大二型水(shui)(shui)庫(ku)(ku)）。灌(guan)溉面(mian)(mian)積為(wei)32.84萬(wan)畝(mu)（其中(zhong)改善灌(guan)溉面(mian)(mian)積18.27萬(wan)畝(mu)，新增灌(guan)溉面(mian)(mian)積14.57萬(wan)畝(mu)）。供(gong)(gong)水(shui)(shui)人口59.1萬(wan)人，按(an)95%的(de)保證率供(gong)(gong)生活和工業用水(shui)(shui)6118萬(wan)m3。擴(kuo)建(jian)后玉灘水(shui)(shui)庫(ku)(ku)正常蓄水(shui)(shui)位(wei)(wei)351.60m，相應庫(ku)(ku)容(rong)1.321億(yi)m3，校核(he)洪(hong)(hong)(hong)水(shui)(shui)位(wei)(wei)353.31m，總庫(ku)(ku)容(rong)1.496億(yi)m3。水(shui)(shui)庫(ku)(ku)設(she)計(ji)洪(hong)(hong)(hong)水(shui)(shui)標準為(wei)100年一遇洪(hong)(hong)(hong)水(shui)(shui)，洪(hong)(hong)(hong)峰(feng)流量為(wei)2230 m3/s；校核(he)洪(hong)(hong)(hong)水(shui)(shui)標準為(wei)2000年一遇洪(hong)(hong)(hong)水(shui)(shui)，洪(hong)(hong)(hong)峰(feng)流量為(wei)4270 m3/s。

工程結構

玉灘水(shui)庫樞紐建筑(zhu)(zhu)物(wu)(wu)主(zhu)(zhu)要(yao)由主(zhu)(zhu)壩(ba)、副(fu)壩(ba)、溢洪道及左(zuo)、右(you)(you)岸(an)(an)(an)灌溉引水(shui)隧(sui)洞(dong)組成。水(shui)庫工程主(zhu)(zhu)壩(ba)推薦壩(ba)型為(wei)(wei)瀝青心墻石(shi)渣壩(ba)，泄洪建筑(zhu)(zhu)物(wu)(wu)布(bu)(bu)置(zhi)(zhi)于(yu)左(zuo)岸(an)(an)(an)香爐石(shi)山(shan)左(zuo)側埡口處，灌溉引水(shui)隧(sui)洞(dong)分別布(bu)(bu)置(zhi)(zhi)在(zai)主(zhu)(zhu)壩(ba)左(zuo)、右(you)(you)兩岸(an)(an)(an)，主(zhu)(zhu)壩(ba)壩(ba)址右(you)(you)岸(an)(an)(an)埡口處布(bu)(bu)置(zhi)(zhi)7座(zuo)漿砌石(shi)副(fu)壩(ba)。樞紐主(zhu)(zhu)要(yao)建筑(zhu)(zhu)物(wu)(wu)主(zhu)(zhu)壩(ba)、副(fu)壩(ba)、溢洪道、右(you)(you)岸(an)(an)(an)灌溉引水(shui)隧(sui)洞(dong)為(wei)(wei)2級(ji)建筑(zhu)(zhu)物(wu)(wu)，其他次要(yao)建筑(zhu)(zhu)物(wu)(wu)為(wei)(wei)3級(ji)，左(zuo)岸(an)(an)(an)灌溉引水(shui)隧(sui)洞(dong)及其進水(shui)口按3級(ji)建筑(zhu)(zhu)物(wu)(wu)設計(ji)，泵站(zhan)工程等別為(wei)(wei)Ⅳ等，建筑(zhu)(zhu)物(wu)(wu)級(ji)別為(wei)(wei)4級(ji)。

玉灘水庫灌(guan)區劃分為(wei)左干(gan)(gan)渠(qu)(qu)(qu)、右(you)干(gan)(gan)渠(qu)(qu)(qu)和朱(zhu)家廟提(ti)灌(guan)干(gan)(gan)渠(qu)(qu)(qu)、巖(yan)洞(dong)(dong)提(ti)灌(guan)區及庫內零星小型提(ti)灌(guan)站灌(guan)區，共5個灌(guan)區。渠(qu)(qu)(qu)道干(gan)(gan)渠(qu)(qu)(qu)長(chang)度共計(ji)96.85km，其中(zhong)(zhong)：明渠(qu)(qu)(qu)（含暗渠(qu)(qu)(qu)、泵(beng)站水平(ping)(ping)管(guan)線）68.03km、渡槽(cao)69座(zuo)7808.9m，隧洞(dong)(dong)74座(zuo)20631.9m，倒虹(hong)管(guan)1處375m、管(guan)道1處3353.8m，電力提(ti)灌(guan)6處總(zong)裝機4292kW。灌(guan)溉面積(ji)萬(wan)畝以上支渠(qu)(qu)(qu)3條7.64km，其中(zhong)(zhong)：明渠(qu)(qu)(qu)（含暗渠(qu)(qu)(qu)、泵(beng)站水平(ping)(ping)管(guan)線）5.325km、隧洞(dong)(dong)4座(zuo)1259.2m、渡槽(cao)1座(zuo)133.0m、倒虹(hong)管(guan)3處923.0m。

工程作用

供給(gei)大(da)足(zu)區(qu)的珠(zhu)溪、龍(long)水(shui)、三驅、郵亭，雙(shuang)(shuang)橋區(qu)的雙(shuang)(shuang)路，榮昌(chang)(chang)縣的路孔、雙(shuang)(shuang)河、昌(chang)(chang)元、廣順、安(an)富等(deng)16個鎮(zhen)，灌(guan)溉面積32.84萬畝(mu)；同(tong)時每年還供給(gei)大(da)足(zu)縣城龍(long)崗鎮(zhen)、龍(long)水(shui)鎮(zhen)、雙(shuang)(shuang)橋區(qu)、榮昌(chang)(chang)縣城昌(chang)(chang)元鎮(zhen)等(deng)16個鎮(zhen)59.1萬人的生(sheng)活用水(shui)及工(gong)業用水(shui)。

獲獎情況

2011年，玉灘(tan)水(shui)(shui)庫(ku)工(gong)(gong)程(cheng)(cheng)實(shi)現下(xia)閘(zha)蓄水(shui)(shui)；2012年9月(yue)，樞紐工(gong)(gong)程(cheng)(cheng)以優(you)(you)良(liang)的評價(jia)完成竣工(gong)(gong)及水(shui)(shui)保、檔案等全部單(dan)項驗收；11月(yue)，獲(huo)得了中(zhong)(zhong)國(guo)水(shui)(shui)利工(gong)(gong)程(cheng)(cheng)優(you)(you)質獎(jiang)（大禹獎(jiang)），玉灘(tan)工(gong)(gong)程(cheng)(cheng)交出了一份(fen)合格答卷。11月(yue)17日，由住建(jian)(jian)部、中(zhong)(zhong)國(guo)建(jian)(jian)設(she)(she)業協會舉辦的2014-2015年度“中(zhong)(zhong)國(guo)建(jian)(jian)設(she)(she)工(gong)(gong)程(cheng)(cheng)魯(lu)班(ban)獎(jiang)”獲(huo)獎(jiang)名(ming)單(dan)在北京公布，我市玉灘(tan)水(shui)(shui)庫(ku)擴建(jian)(jian)工(gong)(gong)程(cheng)(cheng)獲(huo)得中(zhong)(zhong)國(guo)建(jian)(jian)設(she)(she)工(gong)(gong)程(cheng)(cheng)魯(lu)班(ban)獎(jiang)。這(zhe)是今年全國(guo)水(shui)(shui)利工(gong)(gong)程(cheng)(cheng)建(jian)(jian)設(she)(she)唯一一個(ge)魯(lu)班(ban)獎(jiang)，也是我市水(shui)(shui)利工(gong)(gong)程(cheng)(cheng)建(jian)(jian)設(she)(she)首(shou)次獲(huo)此殊榮(rong)。