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工程概況

擴(kuo)建(jian)(jian)后，水(shui)庫(ku)總庫(ku)容(rong)量(liang)(liang)由2360萬(wan)(wan)(wan)(wan)m3擴(kuo)建(jian)(jian)至14960萬(wan)(wan)(wan)(wan)m3（大二(er)型水(shui)庫(ku)）。灌(guan)溉(gai)面(mian)積(ji)為(wei)(wei)32.84萬(wan)(wan)(wan)(wan)畝(mu)（其(qi)中改善灌(guan)溉(gai)面(mian)積(ji)18.27萬(wan)(wan)(wan)(wan)畝(mu)，新增灌(guan)溉(gai)面(mian)積(ji)14.57萬(wan)(wan)(wan)(wan)畝(mu)）。供(gong)水(shui)人口59.1萬(wan)(wan)(wan)(wan)人，按95%的保證率供(gong)生活和工業用水(shui)6118萬(wan)(wan)(wan)(wan)m3。擴(kuo)建(jian)(jian)后玉灘水(shui)庫(ku)正常蓄水(shui)位351.60m，相應庫(ku)容(rong)1.321億m3，校核洪(hong)(hong)水(shui)位353.31m，總庫(ku)容(rong)1.496億m3。水(shui)庫(ku)設(she)計洪(hong)(hong)水(shui)標準為(wei)(wei)100年(nian)(nian)一(yi)遇洪(hong)(hong)水(shui)，洪(hong)(hong)峰流(liu)量(liang)(liang)為(wei)(wei)2230 m3/s；校核洪(hong)(hong)水(shui)標準為(wei)(wei)2000年(nian)(nian)一(yi)遇洪(hong)(hong)水(shui)，洪(hong)(hong)峰流(liu)量(liang)(liang)為(wei)(wei)4270 m3/s。

工程結構

玉灘水庫(ku)樞紐(niu)建(jian)(jian)(jian)筑物(wu)主要由(you)主壩(ba)(ba)(ba)、副(fu)(fu)壩(ba)(ba)(ba)、溢(yi)洪(hong)道及左(zuo)、右(you)岸(an)灌溉(gai)引(yin)水隧(sui)洞(dong)組成。水庫(ku)工(gong)程(cheng)主壩(ba)(ba)(ba)推薦壩(ba)(ba)(ba)型為(wei)(wei)(wei)瀝青心墻(qiang)石渣壩(ba)(ba)(ba)，泄洪(hong)建(jian)(jian)(jian)筑物(wu)布(bu)置(zhi)于左(zuo)岸(an)香爐(lu)石山左(zuo)側埡口處，灌溉(gai)引(yin)水隧(sui)洞(dong)分(fen)別(bie)布(bu)置(zhi)在主壩(ba)(ba)(ba)左(zuo)、右(you)兩岸(an)，主壩(ba)(ba)(ba)壩(ba)(ba)(ba)址右(you)岸(an)埡口處布(bu)置(zhi)7座漿砌石副(fu)(fu)壩(ba)(ba)(ba)。樞紐(niu)主要建(jian)(jian)(jian)筑物(wu)主壩(ba)(ba)(ba)、副(fu)(fu)壩(ba)(ba)(ba)、溢(yi)洪(hong)道、右(you)岸(an)灌溉(gai)引(yin)水隧(sui)洞(dong)為(wei)(wei)(wei)2級(ji)建(jian)(jian)(jian)筑物(wu)，其(qi)(qi)他(ta)次要建(jian)(jian)(jian)筑物(wu)為(wei)(wei)(wei)3級(ji)，左(zuo)岸(an)灌溉(gai)引(yin)水隧(sui)洞(dong)及其(qi)(qi)進水口按3級(ji)建(jian)(jian)(jian)筑物(wu)設(she)計，泵站工(gong)程(cheng)等別(bie)為(wei)(wei)(wei)Ⅳ等，建(jian)(jian)(jian)筑物(wu)級(ji)別(bie)為(wei)(wei)(wei)4級(ji)。

玉灘水(shui)庫灌(guan)區(qu)劃(hua)分為左干渠(qu)(qu)、右干渠(qu)(qu)和朱家廟提灌(guan)干渠(qu)(qu)、巖洞提灌(guan)區(qu)及庫內零星小型(xing)提灌(guan)站(zhan)(zhan)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)（含暗渠(qu)(qu)、泵(beng)(beng)站(zhan)(zhan)水(shui)平管(guan)線）68.03km、渡(du)(du)槽69座(zuo)7808.9m，隧洞74座(zuo)20631.9m，倒虹管(guan)1處375m、管(guan)道(dao)1處3353.8m，電力提灌(guan)6處總裝(zhuang)機4292kW。灌(guan)溉(gai)面積萬畝以上支渠(qu)(qu)3條7.64km，其中：明(ming)渠(qu)(qu)（含暗渠(qu)(qu)、泵(beng)(beng)站(zhan)(zhan)水(shui)平管(guan)線）5.325km、隧洞4座(zuo)1259.2m、渡(du)(du)槽1座(zuo)133.0m、倒虹管(guan)3處923.0m。

工程作用

供(gong)給大足區的(de)(de)珠溪、龍(long)水、三驅、郵亭，雙橋區的(de)(de)雙路(lu)，榮(rong)昌縣(xian)的(de)(de)路(lu)孔、雙河、昌元、廣順、安富等16個(ge)鎮(zhen)，灌溉面(mian)積32.84萬畝；同時每(mei)年還供(gong)給大足縣(xian)城龍(long)崗鎮(zhen)、龍(long)水鎮(zhen)、雙橋區、榮(rong)昌縣(xian)城昌元鎮(zhen)等16個(ge)鎮(zhen)59.1萬人的(de)(de)生活用(yong)水及工業用(yong)水。

獲獎情況

2011年(nian)，玉灘(tan)水(shui)庫工(gong)程(cheng)(cheng)實現下閘蓄水(shui)；2012年(nian)9月(yue)，樞紐工(gong)程(cheng)(cheng)以優良的評(ping)價完成竣工(gong)及(ji)水(shui)保、檔案等全部(bu)單項(xiang)驗收(shou)；11月(yue)，獲(huo)(huo)得了中(zhong)國(guo)水(shui)利工(gong)程(cheng)(cheng)優質獎(jiang)（大禹獎(jiang)），玉灘(tan)工(gong)程(cheng)(cheng)交出(chu)了一份(fen)合格答卷。11月(yue)17日，由住建(jian)(jian)部(bu)、中(zhong)國(guo)建(jian)(jian)設業協會舉辦(ban)的2014-2015年(nian)度“中(zhong)國(guo)建(jian)(jian)設工(gong)程(cheng)(cheng)魯(lu)(lu)班(ban)(ban)獎(jiang)”獲(huo)(huo)獎(jiang)名單在北京公布，我市(shi)玉灘(tan)水(shui)庫擴建(jian)(jian)工(gong)程(cheng)(cheng)獲(huo)(huo)得中(zhong)國(guo)建(jian)(jian)設工(gong)程(cheng)(cheng)魯(lu)(lu)班(ban)(ban)獎(jiang)。這是(shi)今年(nian)全國(guo)水(shui)利工(gong)程(cheng)(cheng)建(jian)(jian)設唯一一個魯(lu)(lu)班(ban)(ban)獎(jiang)，也是(shi)我市(shi)水(shui)利工(gong)程(cheng)(cheng)建(jian)(jian)設首(shou)次獲(huo)(huo)此殊榮。