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水庫范圍

壩址位(wei)于(yu)江西省(sheng)萬安(an)縣(xian)城(cheng)芙蓉鎮上游2千米處土橋頭，地處東經114°41′，北緯26°33′，上游距贛(gan)州市(shi)、下(xia)游距吉安(an)市(shi)各90千米，控制流域(yu)面積(ji)36900平方(fang)千米。水庫回水長度90千米，回水涉及吉安(an)市(shi)萬安(an)縣(xian)、贛(gan)州市(shi)贛(gan)縣(xian)區和章貢(gong)區。

自然環境

地質地貌

水庫(ku)坐落(luo)在低山(shan)(shan)丘陵(ling)地(di)(di)帶，庫(ku)周低山(shan)(shan)丘陵(ling)連綿起伏，壩址地(di)(di)處低山(shan)(shan)丘陵(ling)邊緣，河谷寬(kuan)闊，復式河槽(cao)左半部為(wei)河床段，寬(kuan)450米(mi)，右(you)半部由漫灘和(he)Ⅰ、Ⅱ級階地(di)(di)組成，寬(kuan)500米(mi)，覆蓋層厚13米(mi)，左側山(shan)(shan)坡35°～50°，右(you)側山(shan)(shan)坡25°。地(di)(di)處華南地(di)(di)層區，構造單元(yuan)為(wei)贛中南褶隆，贛州—吉(ji)安拗陷，大湖山(shan)(shan)—芙蓉(rong)山(shan)(shan)隆斷(duan)束。地(di)(di)質(zhi)年代屬中生代侏羅紀，新生代第四紀。巖層分中上(shang)統羅凹群，巖性為(wei)淺變(bian)質(zhi)白色石英砂(sha)巖、粉砂(sha)巖和(he)砂(sha)質(zhi)頁(ye)巖，斷(duan)層發育，較大斷(duan)層7條，斷(duan)距0.2米(mi)～8米(mi)。地(di)(di)震(zhen)烈度小于Ⅵ度。

主要支流

庫區水(shui)系發達，贛(gan)江在庫尾贛(gan)州市八境臺于左岸納章水(shui)后(hou)入(ru)庫，另(ling)有6條流域面積大于100平方千米(mi)的(de)支流入(ru)庫：左側(ce)長(chang)村河(he)、攸鎮河(he)、皂口水(shui)，右側(ce)湖江河(he)、良口水(shui)、武術水(shui)。

氣候水文

庫區屬中(zhong)亞熱帶季風(feng)濕(shi)潤氣(qi)候區，多年平均(jun)氣(qi)溫18.5攝(she)氏(shi)度、年降(jiang)水(shui)量1560毫米（4～9月占68.7%）、年水(shui)面蒸發量893毫米。

水土流失治理

庫(ku)區(qu)(qu)森林曾遭受1958年(nian)(nian)大(da)煉鋼鐵、“文革”、1980年(nian)(nian)分山(shan)到(dao)戶3次較大(da)范圍砍伐。20世紀(ji)90年(nian)(nian)代起，采取封山(shan)育(yu)林、栽種經濟果林等措施(shi)加強治理，水(shui)土流失得到(dao)有效遏制，植被覆蓋率(lv)88%。庫(ku)水(shui)清澈，2006年(nian)(nian)12月，水(shui)質(zhi)達Ⅱ類地(di)表水(shui)標準，已劃(hua)定(ding)水(shui)功(gong)能保留區(qu)(qu)2個(ge)，飲用(yong)水(shui)源區(qu)(qu)1個(ge)。

水庫來水來沙特征

徑流(liu)量(liang)多年(nian)(nian)平(ping)均年(nian)(nian)徑流(liu)量(liang)297億(yi)立方米，4～9月占74.9%，歷(li)年(nian)(nian)最大年(nian)(nian)徑流(liu)量(liang)520億(yi)立方米（1973年(nian)(nian)），歷(li)年(nian)(nian)最小年(nian)(nian)徑流(liu)量(liang)104億(yi)立方米（1963年(nian)(nian)）。

入(ru)庫沙量多(duo)年(nian)平均年(nian)入(ru)庫沙量742萬噸，4～9月占85.3%，歷年(nian)最大年(nian)入(ru)庫沙量1410萬噸（1973年(nian)），歷年(nian)最小(xiao)年(nian)入(ru)庫沙量196萬噸（1963年(nian)）。

開發目標和主要效益

開發(fa)目標萬(wan)安(an)水庫是贛江(jiang)干(gan)流(liu)綜合利用的(de)水利水電(dian)(dian)梯級(ji)工程，以發(fa)電(dian)(dian)為主(zhu)，兼有防(fang)洪、航運、灌(guan)溉、養(yang)殖、旅游等效益。

發(fa)(fa)(fa)電(dian)(dian)效益：水(shui)(shui)(shui)(shui)(shui)電(dian)(dian)站總(zong)裝機53.3萬千瓦，年平均發(fa)(fa)(fa)電(dian)(dian)量(liang)(liang)15.16億千瓦時。防洪(hong)(hong)(hong)(hong)效益：20世紀(ji)90年代以來(lai)，贛江(jiang)上游(you)(you)多次發(fa)(fa)(fa)生洪(hong)(hong)(hong)(hong)峰流量(liang)(liang)超過(guo)1萬立方(fang)(fang)米(mi)每秒(miao)的(de)洪(hong)(hong)(hong)(hong)水(shui)(shui)(shui)(shui)(shui)，水(shui)(shui)(shui)(shui)(shui)庫(ku)(ku)(ku)發(fa)(fa)(fa)揮調洪(hong)(hong)(hong)(hong)作(zuo)(zuo)用(yong)(yong)，平均削峰率達(da)15%。尤其(qi)1994年6月攔蓄洪(hong)(hong)(hong)(hong)水(shui)(shui)(shui)(shui)(shui)6.3億立方(fang)(fang)米(mi)，削減(jian)洪(hong)(hong)(hong)(hong)峰21%，1995年6月攔蓄洪(hong)(hong)(hong)(hong)水(shui)(shui)(shui)(shui)(shui)4.8億立方(fang)(fang)米(mi)，削減(jian)洪(hong)(hong)(hong)(hong)峰23.1%。通過(guo)水(shui)(shui)(shui)(shui)(shui)庫(ku)(ku)(ku)發(fa)(fa)(fa)揮蓄滯洪(hong)(hong)(hong)(hong)作(zuo)(zuo)用(yong)(yong)，可提高吉安(an)至南(nan)昌段(duan)防洪(hong)(hong)(hong)(hong)標準到(dao)50年一遇，降低中下(xia)游(you)(you)洪(hong)(hong)(hong)(hong)水(shui)(shui)(shui)(shui)(shui)位(wei)(wei)0.4～1.3米(mi)，減(jian)輕中下(xia)游(you)(you)的(de)防洪(hong)(hong)(hong)(hong)壓力(li)。水(shui)(shui)(shui)(shui)(shui)庫(ku)(ku)(ku)設計(ji)(ji)防洪(hong)(hong)(hong)(hong)庫(ku)(ku)(ku)容(rong)10.2億立方(fang)(fang)米(mi)，但由(you)于移民問題未完(wan)全解決，防洪(hong)(hong)(hong)(hong)效益未充分發(fa)(fa)(fa)揮。航(hang)運(yun)(yun)效益：建(jian)(jian)庫(ku)(ku)(ku)前，萬安(an)至贛州段(duan)“九(jiu)(jiu)曲十八灘，船過(guo)十有(you)九(jiu)(jiu)艘(sou)(sou)翻”，建(jian)(jian)庫(ku)(ku)(ku)后(hou)，水(shui)(shui)(shui)(shui)(shui)庫(ku)(ku)(ku)上下(xia)游(you)(you)航(hang)運(yun)(yun)條件大(da)為改善。十八灘沉入水(shui)(shui)(shui)(shui)(shui)下(xia)，“高峽出(chu)平湖(hu)，四季皆(jie)暢通”。經水(shui)(shui)(shui)(shui)(shui)庫(ku)(ku)(ku)調節，大(da)壩下(xia)游(you)(you)年平均流量(liang)(liang)由(you)建(jian)(jian)庫(ku)(ku)(ku)前的(de)150立方(fang)(fang)米(mi)每秒(miao)加大(da)到(dao)350立方(fang)(fang)米(mi)每秒(miao)，平均水(shui)(shui)(shui)(shui)(shui)深由(you)0.7米(mi)提高到(dao)1.0米(mi)。大(da)壩單級(ji)船閘可通過(guo)2艘(sou)(sou)500噸(dun)(dun)位(wei)(wei)駁船組成的(de)船隊(dui)。截止2001年底，累計(ji)(ji)開閘2.1萬次，過(guo)往船只14.4萬艘(sou)(sou)次，總(zong)貨運(yun)(yun)量(liang)(liang)818.3萬噸(dun)(dun)。灌溉效益：設計(ji)(ji)灌溉面積(ji)(ji)1.35萬公(gong)頃：右岸灌區(qu)設計(ji)(ji)灌溉面積(ji)(ji)1.0萬公(gong)頃，尚未動工建(jian)(jian)設；左岸灌區(qu)實際(ji)灌溉面積(ji)(ji)3500公(gong)頃。養(yang)殖效益：利用(yong)(yong)庫(ku)(ku)(ku)汊養(yang)魚，可養(yang)水(shui)(shui)(shui)(shui)(shui)面1.87萬公(gong)頃，主(zhu)要養(yang)鳙魚，兼養(yang)鯉魚、鰱魚、草(cao)魚、長吻(wen)魚，2006年鮮(xian)魚產量(liang)(liang)15萬噸(dun)(dun)。旅游(you)(you)效益：水(shui)(shui)(shui)(shui)(shui)庫(ku)(ku)(ku)形成100平方(fang)(fang)千米(mi)水(shui)(shui)(shui)(shui)(shui)域的(de)萬安(an)湖(hu)，水(shui)(shui)(shui)(shui)(shui)面碧波萬頃，煙波浩淼(miao)，湖(hu)周(zhou)眾多湖(hu)港半島(dao)，湖(hu)光(guang)山色，風景(jing)迷人，是(shi)千里贛江(jiang)風景(jing)秀麗的(de)一段(duan)。庫(ku)(ku)(ku)周(zhou)是(shi)國(guo)家級(ji)森林公(gong)園(yuan)、省級(ji)風景(jing)名勝區(qu)。

水庫特征

日調節水(shui)(shui)(shui)庫(ku)(ku)(ku)，設(she)計(ji)(ji)正(zheng)(zheng)常蓄水(shui)(shui)(shui)位(wei)100米(mi)(mi)(mi)(mi)(mi)，由(you)于移民(min)問題未(wei)完全解決而未(wei)達設(she)計(ji)(ji)標(biao)準，至2006年仍為(wei)初期運行。實際正(zheng)(zheng)常蓄水(shui)(shui)(shui)位(wei)96米(mi)(mi)(mi)(mi)(mi)（黃(huang)海基面(mian)），4～6月防(fang)(fang)洪(hong)(hong)限制水(shui)(shui)(shui)位(wei)85米(mi)(mi)(mi)(mi)(mi)～87米(mi)(mi)(mi)(mi)(mi)，50年一遇洪(hong)(hong)水(shui)(shui)(shui)不超過93.6米(mi)(mi)(mi)(mi)(mi)，7～9月防(fang)(fang)洪(hong)(hong)限制水(shui)(shui)(shui)位(wei)94.5～96米(mi)(mi)(mi)(mi)(mi)，汛后蓄水(shui)(shui)(shui)位(wei)96米(mi)(mi)(mi)(mi)(mi)，死水(shui)(shui)(shui)位(wei)85米(mi)(mi)(mi)(mi)(mi)；設(she)計(ji)(ji)洪(hong)(hong)水(shui)(shui)(shui)位(wei)（千年一遇洪(hong)(hong)水(shui)(shui)(shui)設(she)計(ji)(ji)）100.0米(mi)(mi)(mi)(mi)(mi)，校核(he)洪(hong)(hong)水(shui)(shui)(shui)位(wei)(萬(wan)(wan)年一遇洪(hong)(hong)水(shui)(shui)(shui)校核(he))100.7米(mi)(mi)(mi)(mi)(mi)，可能最大（PMP）洪(hong)(hong)水(shui)(shui)(shui)位(wei)103.6米(mi)(mi)(mi)(mi)(mi)，總(zong)庫(ku)(ku)(ku)容(rong)22.16億(yi)立方(fang)(fang)米(mi)(mi)(mi)(mi)(mi)。正(zheng)(zheng)常蓄水(shui)(shui)(shui)位(wei)（96.0米(mi)(mi)(mi)(mi)(mi)）相應(ying)庫(ku)(ku)(ku)容(rong)11.16億(yi)立方(fang)(fang)米(mi)(mi)(mi)(mi)(mi)、相應(ying)庫(ku)(ku)(ku)面(mian)面(mian)積(ji)107.5平方(fang)(fang)千米(mi)(mi)(mi)(mi)(mi)；興利庫(ku)(ku)(ku)容(rong)7.97億(yi)立方(fang)(fang)米(mi)(mi)(mi)(mi)(mi)，死庫(ku)(ku)(ku)容(rong)3.19億(yi)立方(fang)(fang)米(mi)(mi)(mi)(mi)(mi)，設(she)計(ji)(ji)防(fang)(fang)洪(hong)(hong)庫(ku)(ku)(ku)容(rong)10.2億(yi)立方(fang)(fang)米(mi)(mi)(mi)(mi)(mi)。河道型水(shui)(shui)(shui)庫(ku)(ku)(ku)，平均庫(ku)(ku)(ku)面(mian)寬2千米(mi)(mi)(mi)(mi)(mi)，沿程變化不大。庫(ku)(ku)(ku)區呈帶狀(zhuang)淤(yu)(yu)積(ji)，兼有三角洲淤(yu)(yu)積(ji)及錐體淤(yu)(yu)積(ji)性質(zhi)，三角洲頂點在(zai)良口(kou)，主要淤(yu)(yu)積(ji)部(bu)位(wei)在(zai)小(xiao)湖洲～良口(kou)段(duan)，水(shui)(shui)(shui)庫(ku)(ku)(ku)多年平均泥(ni)沙淤(yu)(yu)積(ji)量400萬(wan)(wan)噸(dun)。

主要建筑物

樞紐工程由大壩(ba)、船閘(zha)、電站廠(chang)房、灌溉(gai)渠系組成(cheng)。

大(da)壩(ba)(ba)(ba)(ba)(ba)(ba)(ba)(ba)全長1104米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)，共分8個壩(ba)(ba)(ba)(ba)(ba)(ba)(ba)(ba)段，自(zi)右(you)至左(zuo)依(yi)次(ci)為：①右(you)側(ce)(ce)臺地土壩(ba)(ba)(ba)(ba)(ba)(ba)(ba)(ba)長430米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)，壩(ba)(ba)(ba)(ba)(ba)(ba)(ba)(ba)頂(ding)(ding)(ding)(ding)(ding)(ding)高(gao)(gao)程(cheng)(cheng)(cheng)(cheng)105米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)，最(zui)(zui)(zui)大(da)壩(ba)(ba)(ba)(ba)(ba)(ba)(ba)(ba)高(gao)(gao)37米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)、壩(ba)(ba)(ba)(ba)(ba)(ba)(ba)(ba)頂(ding)(ding)(ding)(ding)(ding)(ding)寬(kuan)(kuan)8.5米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)；②混(hun)(hun)凝(ning)土船(chuan)閘(zha)壩(ba)(ba)(ba)(ba)(ba)(ba)(ba)(ba)長51米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)，單級船(chuan)閘(zha)閘(zha)室(shi)有(you)效尺寸175米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)×14米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)×2.5米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)；③船(chuan)閘(zha)與(yu)電(dian)站(zhan)廠(chang)(chang)(chang)房(fang)(fang)之間混(hun)(hun)凝(ning)土非溢流(liu)壩(ba)(ba)(ba)(ba)(ba)(ba)(ba)(ba)長18米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)，壩(ba)(ba)(ba)(ba)(ba)(ba)(ba)(ba)頂(ding)(ding)(ding)(ding)(ding)(ding)高(gao)(gao)程(cheng)(cheng)(cheng)(cheng)104米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)，最(zui)(zui)(zui)大(da)壩(ba)(ba)(ba)(ba)(ba)(ba)(ba)(ba)高(gao)(gao)44米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)，壩(ba)(ba)(ba)(ba)(ba)(ba)(ba)(ba)頂(ding)(ding)(ding)(ding)(ding)(ding)寬(kuan)(kuan)19米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)；④電(dian)站(zhan)廠(chang)(chang)(chang)房(fang)(fang)混(hun)(hun)凝(ning)土壩(ba)(ba)(ba)(ba)(ba)(ba)(ba)(ba)長197米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)，壩(ba)(ba)(ba)(ba)(ba)(ba)(ba)(ba)頂(ding)(ding)(ding)(ding)(ding)(ding)高(gao)(gao)程(cheng)(cheng)(cheng)(cheng)104米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)，最(zui)(zui)(zui)大(da)壩(ba)(ba)(ba)(ba)(ba)(ba)(ba)(ba)高(gao)(gao)68.1米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)，河床(chuang)式電(dian)站(zhan)發電(dian)廠(chang)(chang)(chang)房(fang)(fang)，安裝(zhuang)5臺機組，單機最(zui)(zui)(zui)大(da)引(yin)用流(liu)量(liang)(liang)580立方(fang)米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)每(mei)秒(miao)(miao)，位于右(you)河床(chuang)，包括主(zhu)廠(chang)(chang)(chang)房(fang)(fang)、安裝(zhuang)場(chang)、操作管(guan)理(li)大(da)樓、上游(you)進(jin)水渠及攔沙坎(kan)、下游(you)尾水渠和擋土墻及護岸工程(cheng)(cheng)(cheng)(cheng)、進(jin)庫公路、廠(chang)(chang)(chang)外油庫及油處理(li)室(shi)；⑤混(hun)(hun)凝(ning)土底(di)孔(kong)(kong)壩(ba)(ba)(ba)(ba)(ba)(ba)(ba)(ba)長150米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)，壩(ba)(ba)(ba)(ba)(ba)(ba)(ba)(ba)頂(ding)(ding)(ding)(ding)(ding)(ding)高(gao)(gao)程(cheng)(cheng)(cheng)(cheng)104米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)，最(zui)(zui)(zui)大(da)壩(ba)(ba)(ba)(ba)(ba)(ba)(ba)(ba)高(gao)(gao)58米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)，壩(ba)(ba)(ba)(ba)(ba)(ba)(ba)(ba)頂(ding)(ding)(ding)(ding)(ding)(ding)寬(kuan)(kuan)21米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)，壩(ba)(ba)(ba)(ba)(ba)(ba)(ba)(ba)內設(she)10個7米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)×9米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)泄流(liu)孔(kong)(kong)，以弧形(xing)閘(zha)門(men)控制(zhi)，最(zui)(zui)(zui)大(da)泄流(liu)量(liang)(liang)1.38萬立方(fang)米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)每(mei)秒(miao)(miao)；⑥混(hun)(hun)凝(ning)土導墻長14米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)；⑦混(hun)(hun)凝(ning)土溢流(liu)壩(ba)(ba)(ba)(ba)(ba)(ba)(ba)(ba)長164米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)，壩(ba)(ba)(ba)(ba)(ba)(ba)(ba)(ba)頂(ding)(ding)(ding)(ding)(ding)(ding)高(gao)(gao)程(cheng)(cheng)(cheng)(cheng)104米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)，最(zui)(zui)(zui)大(da)壩(ba)(ba)(ba)(ba)(ba)(ba)(ba)(ba)高(gao)(gao)49米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)，壩(ba)(ba)(ba)(ba)(ba)(ba)(ba)(ba)頂(ding)(ding)(ding)(ding)(ding)(ding)寬(kuan)(kuan)21.5米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)，堰(yan)頂(ding)(ding)(ding)(ding)(ding)(ding)高(gao)(gao)程(cheng)(cheng)(cheng)(cheng)84米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)，堰(yan)寬(kuan)(kuan)126米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)，分9孔(kong)(kong)，每(mei)孔(kong)(kong)14米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)，弧形(xing)閘(zha)門(men)14米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)×16.5米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)，最(zui)(zui)(zui)大(da)下泄流(liu)量(liang)(liang)2.26萬立方(fang)米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)每(mei)秒(miao)(miao)；⑧左(zuo)側(ce)(ce)混(hun)(hun)凝(ning)土非溢流(liu)壩(ba)(ba)(ba)(ba)(ba)(ba)(ba)(ba)長80米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)，壩(ba)(ba)(ba)(ba)(ba)(ba)(ba)(ba)頂(ding)(ding)(ding)(ding)(ding)(ding)高(gao)(gao)程(cheng)(cheng)(cheng)(cheng)104米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)，最(zui)(zui)(zui)大(da)壩(ba)(ba)(ba)(ba)(ba)(ba)(ba)(ba)高(gao)(gao)44米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)，壩(ba)(ba)(ba)(ba)(ba)(ba)(ba)(ba)頂(ding)(ding)(ding)(ding)(ding)(ding)寬(kuan)(kuan)22.8米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)，壩(ba)(ba)(ba)(ba)(ba)(ba)(ba)(ba)體內設(she)灌(guan)(guan)溉涵(han)管(guan)內徑(jing)1.1米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)，引(yin)用流(liu)量(liang)(liang)4立方(fang)米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)每(mei)秒(miao)(miao)。灌(guan)(guan)溉渠系分左(zuo)右(you)岸灌(guan)(guan)區，左(zuo)岸灌(guan)(guan)區主(zhu)干渠全長13.59千(qian)米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)，支(zhi)渠6條總(zong)長25.7千(qian)米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)；右(you)岸灌(guan)(guan)區未(wei)建。

水庫淹沒與移民安置

設(she)計(ji)正(zheng)常蓄水(shui)(shui)位100米，水(shui)(shui)庫(ku)淹沒萬安縣(xian)(xian)、贛(gan)縣(xian)(xian)區(qu)、章貢(gong)區(qu)3縣(xian)(xian)區(qu)的(de)309個自(zi)然(ran)村，耕(geng)地(di)(di)(di)4710公(gong)(gong)(gong)(gong)(gong)頃(qing)，山林2.3萬公(gong)(gong)(gong)(gong)(gong)頃(qing)，鄉級(ji)公(gong)(gong)(gong)(gong)(gong)路(lu)109.5千米，小型(xing)水(shui)(shui)利和火力發電站43座(zuo)，應遷(qian)移(yi)人(ren)口12.94萬人(ren)。由于移(yi)民問題(ti)未得(de)到完全解(jie)決，水(shui)(shui)庫(ku)未達到設(she)計(ji)標準，按初期(qi)標準正(zheng)常蓄水(shui)(shui)位96米運(yun)行，淹沒耕(geng)地(di)(di)(di)3130公(gong)(gong)(gong)(gong)(gong)頃(qing)，共需遷(qian)出(chu)14個鄉的(de)72個村8125戶(hu)計(ji)4.59萬人(ren)。至1990年(nian)底(di)，共遷(qian)移(yi)4.27萬人(ren)，已建(jian)圩鎮(zhen)8個，新(xin)建(jian)房(fang)屋14.8萬平(ping)方米，新(xin)建(jian)農房(fang)70萬平(ping)方米、雜房(fang)9萬平(ping)方米，為移(yi)民劃撥(bo)耕(geng)地(di)(di)(di)2720公(gong)(gong)(gong)(gong)(gong)頃(qing)、山地(di)(di)(di)5670公(gong)(gong)(gong)(gong)(gong)頃(qing)。萬安縣(xian)(xian)移(yi)民均安置(zhi)在(zai)(zai)本縣(xian)(xian)，贛(gan)縣(xian)(xian)區(qu)移(yi)民大部分安置(zhi)在(zai)(zai)本縣(xian)(xian)或就(jiu)地(di)(di)(di)后靠，20戶(hu)100人(ren)安置(zhi)在(zai)(zai)萬安縣(xian)(xian)。