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萬安水庫
0 票數:0 #水文景觀#
贛江中游的大型水庫,又名萬安湖。位于江西省中部萬安縣中南部、贛縣區中北部。1958年7月1日動工興建,幾經停工又多次復工。1990年8月24日建成下閘蓄水,同年11月11日第一臺10萬千瓦機組并網發電。水庫坐落在低山丘陵地帶,庫周低山丘陵連綿起伏,壩址地處低山丘陵邊緣,河谷寬闊,復式河槽左半部為河床段,寬450米,右半部由漫灘和Ⅰ、Ⅱ級階地組成,寬500米,覆蓋層厚13米,左側山坡35°~50°,右側山坡25°。
  • 所在地/隸屬: 江西省吉安(an)市(shi)萬安(an)縣
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水庫范圍

壩址(zhi)位于江西省萬安(an)縣城(cheng)芙(fu)蓉鎮上(shang)游2千米(mi)(mi)處(chu)土橋頭,地處(chu)東經114°41′,北緯26°33′,上(shang)游距(ju)(ju)贛州市、下游距(ju)(ju)吉安(an)市各90千米(mi)(mi),控制(zhi)流域面積36900平(ping)方千米(mi)(mi)。水(shui)庫回水(shui)長度90千米(mi)(mi),回水(shui)涉及吉安(an)市萬安(an)縣、贛州市贛縣區(qu)和章(zhang)貢區(qu)。

自然環境

地質地貌

水庫坐落在低山(shan)(shan)丘陵(ling)(ling)地(di)帶,庫周低山(shan)(shan)丘陵(ling)(ling)連(lian)綿起伏(fu),壩址(zhi)地(di)處低山(shan)(shan)丘陵(ling)(ling)邊緣(yuan),河(he)谷寬闊,復式河(he)槽左半部為河(he)床段(duan),寬450米(mi),右半部由(you)漫灘和Ⅰ、Ⅱ級階地(di)組成(cheng),寬500米(mi),覆蓋層(ceng)厚13米(mi),左側(ce)山(shan)(shan)坡(po)(po)35°~50°,右側(ce)山(shan)(shan)坡(po)(po)25°。地(di)處華(hua)南(nan)地(di)層(ceng)區,構造(zao)單元(yuan)為贛中(zhong)南(nan)褶隆(long),贛州—吉安(an)拗陷,大湖山(shan)(shan)—芙(fu)蓉山(shan)(shan)隆(long)斷(duan)束。地(di)質(zhi)(zhi)年(nian)代(dai)(dai)屬中(zhong)生代(dai)(dai)侏羅紀,新生代(dai)(dai)第四紀。巖層(ceng)分中(zhong)上統羅凹群,巖性(xing)為淺(qian)變(bian)質(zhi)(zhi)白色石英砂巖、粉砂巖和砂質(zhi)(zhi)頁巖,斷(duan)層(ceng)發育,較大斷(duan)層(ceng)7條(tiao),斷(duan)距0.2米(mi)~8米(mi)。地(di)震烈度(du)小(xiao)于Ⅵ度(du)。

主要支流

庫(ku)區(qu)水系發達,贛江在庫(ku)尾(wei)贛州市八境臺于(yu)左(zuo)岸納(na)章(zhang)水后入庫(ku),另有(you)6條流(liu)(liu)域面積大(da)于(yu)100平方千(qian)米的支流(liu)(liu)入庫(ku):左(zuo)側長村河(he)、攸鎮河(he)、皂口水,右側湖江河(he)、良口水、武術水。

氣候水文

庫區(qu)屬中(zhong)亞熱帶季風(feng)濕潤氣(qi)候(hou)區(qu),多(duo)年平均氣(qi)溫18.5攝氏度、年降水(shui)(shui)量1560毫米(4~9月(yue)占68.7%)、年水(shui)(shui)面蒸發量893毫米。

水土流失治理

庫(ku)區森(sen)林曾遭(zao)受1958年大(da)煉(lian)鋼鐵、“文革”、1980年分山到戶3次較大(da)范圍砍伐。20世(shi)紀90年代起,采取封山育(yu)林、栽種經濟果林等措施加強治理,水(shui)土流失得到有效遏制(zhi),植被覆蓋(gai)率88%。庫(ku)水(shui)清澈(che),2006年12月(yue),水(shui)質(zhi)達Ⅱ類地表水(shui)標準,已劃定水(shui)功能保(bao)留區2個,飲用水(shui)源區1個。

水庫來水來沙特征

徑(jing)流(liu)量多年平均年徑(jing)流(liu)量297億立方(fang)米(mi)(mi),4~9月占(zhan)74.9%,歷年最大年徑(jing)流(liu)量520億立方(fang)米(mi)(mi)(1973年),歷年最小年徑(jing)流(liu)量104億立方(fang)米(mi)(mi)(1963年)。

入(ru)(ru)庫沙(sha)量多年(nian)平均年(nian)入(ru)(ru)庫沙(sha)量742萬(wan)噸(dun),4~9月占(zhan)85.3%,歷(li)年(nian)最大年(nian)入(ru)(ru)庫沙(sha)量1410萬(wan)噸(dun)(1973年(nian)),歷(li)年(nian)最小年(nian)入(ru)(ru)庫沙(sha)量196萬(wan)噸(dun)(1963年(nian))。

開發目標和主要效益

開發目標萬安水(shui)庫是贛江(jiang)干流綜合(he)利用的水(shui)利水(shui)電(dian)梯(ti)級工程,以發電(dian)為主,兼(jian)有防洪(hong)、航運、灌溉(gai)、養殖、旅游等效益。

發(fa)電效(xiao)(xiao)(xiao)益(yi):水(shui)(shui)(shui)電站總裝機53.3萬(wan)(wan)(wan)(wan)千(qian)(qian)瓦,年(nian)(nian)平均(jun)發(fa)電量15.16億千(qian)(qian)瓦時。防(fang)洪(hong)(hong)(hong)(hong)效(xiao)(xiao)(xiao)益(yi):20世紀90年(nian)(nian)代以來,贛(gan)(gan)江(jiang)上游多次發(fa)生洪(hong)(hong)(hong)(hong)峰(feng)流量超過1萬(wan)(wan)(wan)(wan)立(li)方米(mi)(mi)(mi)每(mei)秒(miao)的(de)洪(hong)(hong)(hong)(hong)水(shui)(shui)(shui),水(shui)(shui)(shui)庫(ku)(ku)發(fa)揮調(diao)(diao)洪(hong)(hong)(hong)(hong)作(zuo)用(yong),平均(jun)削峰(feng)率達15%。尤其(qi)1994年(nian)(nian)6月攔蓄洪(hong)(hong)(hong)(hong)水(shui)(shui)(shui)6.3億立(li)方米(mi)(mi)(mi),削減洪(hong)(hong)(hong)(hong)峰(feng)21%,1995年(nian)(nian)6月攔蓄洪(hong)(hong)(hong)(hong)水(shui)(shui)(shui)4.8億立(li)方米(mi)(mi)(mi),削減洪(hong)(hong)(hong)(hong)峰(feng)23.1%。通(tong)過水(shui)(shui)(shui)庫(ku)(ku)發(fa)揮蓄滯洪(hong)(hong)(hong)(hong)作(zuo)用(yong),可提高(gao)吉安至南昌段防(fang)洪(hong)(hong)(hong)(hong)標準到(dao)50年(nian)(nian)一遇,降低中下(xia)游洪(hong)(hong)(hong)(hong)水(shui)(shui)(shui)位(wei)0.4~1.3米(mi)(mi)(mi),減輕中下(xia)游的(de)防(fang)洪(hong)(hong)(hong)(hong)壓力。水(shui)(shui)(shui)庫(ku)(ku)設(she)計防(fang)洪(hong)(hong)(hong)(hong)庫(ku)(ku)容10.2億立(li)方米(mi)(mi)(mi),但由于移民(min)問題未完全(quan)解決(jue),防(fang)洪(hong)(hong)(hong)(hong)效(xiao)(xiao)(xiao)益(yi)未充分發(fa)揮。航運效(xiao)(xiao)(xiao)益(yi):建庫(ku)(ku)前,萬(wan)(wan)(wan)(wan)安至贛(gan)(gan)州(zhou)段“九曲十八(ba)灘(tan),船(chuan)過十有九艘翻”,建庫(ku)(ku)后,水(shui)(shui)(shui)庫(ku)(ku)上下(xia)游航運條件大為改善。十八(ba)灘(tan)沉入(ru)水(shui)(shui)(shui)下(xia),“高(gao)峽出平湖,四季皆暢通(tong)”。經水(shui)(shui)(shui)庫(ku)(ku)調(diao)(diao)節,大壩(ba)下(xia)游年(nian)(nian)平均(jun)流量由建庫(ku)(ku)前的(de)150立(li)方米(mi)(mi)(mi)每(mei)秒(miao)加大到(dao)350立(li)方米(mi)(mi)(mi)每(mei)秒(miao),平均(jun)水(shui)(shui)(shui)深由0.7米(mi)(mi)(mi)提高(gao)到(dao)1.0米(mi)(mi)(mi)。大壩(ba)單級船(chuan)閘(zha)(zha)可通(tong)過2艘500噸位(wei)駁船(chuan)組(zu)成(cheng)的(de)船(chuan)隊。截止2001年(nian)(nian)底,累計開(kai)閘(zha)(zha)2.1萬(wan)(wan)(wan)(wan)次,過往船(chuan)只14.4萬(wan)(wan)(wan)(wan)艘次,總貨運量818.3萬(wan)(wan)(wan)(wan)噸。灌(guan)溉效(xiao)(xiao)(xiao)益(yi):設(she)計灌(guan)溉面積1.35萬(wan)(wan)(wan)(wan)公(gong)頃(qing)(qing):右岸灌(guan)區設(she)計灌(guan)溉面積1.0萬(wan)(wan)(wan)(wan)公(gong)頃(qing)(qing),尚未動工(gong)建設(she);左岸灌(guan)區實際灌(guan)溉面積3500公(gong)頃(qing)(qing)。養(yang)(yang)殖效(xiao)(xiao)(xiao)益(yi):利用(yong)庫(ku)(ku)汊養(yang)(yang)魚(yu)(yu)(yu)(yu),可養(yang)(yang)水(shui)(shui)(shui)面1.87萬(wan)(wan)(wan)(wan)公(gong)頃(qing)(qing),主要養(yang)(yang)鳙魚(yu)(yu)(yu)(yu),兼養(yang)(yang)鯉魚(yu)(yu)(yu)(yu)、鰱魚(yu)(yu)(yu)(yu)、草魚(yu)(yu)(yu)(yu)、長吻魚(yu)(yu)(yu)(yu),2006年(nian)(nian)鮮魚(yu)(yu)(yu)(yu)產量15萬(wan)(wan)(wan)(wan)噸。旅游效(xiao)(xiao)(xiao)益(yi):水(shui)(shui)(shui)庫(ku)(ku)形成(cheng)100平方千(qian)(qian)米(mi)(mi)(mi)水(shui)(shui)(shui)域的(de)萬(wan)(wan)(wan)(wan)安湖,水(shui)(shui)(shui)面碧波萬(wan)(wan)(wan)(wan)頃(qing)(qing),煙波浩淼,湖周眾多湖港(gang)半島(dao),湖光山(shan)色,風(feng)景(jing)迷人,是(shi)千(qian)(qian)里(li)贛(gan)(gan)江(jiang)風(feng)景(jing)秀麗(li)的(de)一段。庫(ku)(ku)周是(shi)國家級森林公(gong)園、省級風(feng)景(jing)名勝區。

水庫特征

日調節水(shui)(shui)(shui)(shui)庫(ku)(ku)(ku)(ku),設計(ji)(ji)正常(chang)蓄水(shui)(shui)(shui)(shui)位(wei)(wei)100米(mi)(mi)(mi)(mi)(mi)(mi),由于移民(min)問題未完全解(jie)決(jue)而未達設計(ji)(ji)標準,至2006年(nian)仍(reng)為(wei)初期(qi)運行。實際(ji)正常(chang)蓄水(shui)(shui)(shui)(shui)位(wei)(wei)96米(mi)(mi)(mi)(mi)(mi)(mi)(黃海基面),4~6月防洪(hong)(hong)限(xian)(xian)制(zhi)水(shui)(shui)(shui)(shui)位(wei)(wei)85米(mi)(mi)(mi)(mi)(mi)(mi)~87米(mi)(mi)(mi)(mi)(mi)(mi),50年(nian)一遇(yu)洪(hong)(hong)水(shui)(shui)(shui)(shui)不(bu)超過93.6米(mi)(mi)(mi)(mi)(mi)(mi),7~9月防洪(hong)(hong)限(xian)(xian)制(zhi)水(shui)(shui)(shui)(shui)位(wei)(wei)94.5~96米(mi)(mi)(mi)(mi)(mi)(mi),汛后蓄水(shui)(shui)(shui)(shui)位(wei)(wei)96米(mi)(mi)(mi)(mi)(mi)(mi),死(si)水(shui)(shui)(shui)(shui)位(wei)(wei)85米(mi)(mi)(mi)(mi)(mi)(mi);設計(ji)(ji)洪(hong)(hong)水(shui)(shui)(shui)(shui)位(wei)(wei)(千年(nian)一遇(yu)洪(hong)(hong)水(shui)(shui)(shui)(shui)設計(ji)(ji))100.0米(mi)(mi)(mi)(mi)(mi)(mi),校核洪(hong)(hong)水(shui)(shui)(shui)(shui)位(wei)(wei)(萬(wan)年(nian)一遇(yu)洪(hong)(hong)水(shui)(shui)(shui)(shui)校核)100.7米(mi)(mi)(mi)(mi)(mi)(mi),可(ke)能(neng)最大(da)(PMP)洪(hong)(hong)水(shui)(shui)(shui)(shui)位(wei)(wei)103.6米(mi)(mi)(mi)(mi)(mi)(mi),總庫(ku)(ku)(ku)(ku)容(rong)22.16億(yi)立方(fang)(fang)(fang)米(mi)(mi)(mi)(mi)(mi)(mi)。正常(chang)蓄水(shui)(shui)(shui)(shui)位(wei)(wei)(96.0米(mi)(mi)(mi)(mi)(mi)(mi))相應(ying)庫(ku)(ku)(ku)(ku)容(rong)11.16億(yi)立方(fang)(fang)(fang)米(mi)(mi)(mi)(mi)(mi)(mi)、相應(ying)庫(ku)(ku)(ku)(ku)面面積(ji)107.5平方(fang)(fang)(fang)千米(mi)(mi)(mi)(mi)(mi)(mi);興利(li)庫(ku)(ku)(ku)(ku)容(rong)7.97億(yi)立方(fang)(fang)(fang)米(mi)(mi)(mi)(mi)(mi)(mi),死(si)庫(ku)(ku)(ku)(ku)容(rong)3.19億(yi)立方(fang)(fang)(fang)米(mi)(mi)(mi)(mi)(mi)(mi),設計(ji)(ji)防洪(hong)(hong)庫(ku)(ku)(ku)(ku)容(rong)10.2億(yi)立方(fang)(fang)(fang)米(mi)(mi)(mi)(mi)(mi)(mi)。河道型水(shui)(shui)(shui)(shui)庫(ku)(ku)(ku)(ku),平均庫(ku)(ku)(ku)(ku)面寬(kuan)2千米(mi)(mi)(mi)(mi)(mi)(mi),沿程變(bian)化不(bu)大(da)。庫(ku)(ku)(ku)(ku)區呈帶狀淤(yu)(yu)積(ji),兼有三角洲淤(yu)(yu)積(ji)及(ji)錐體淤(yu)(yu)積(ji)性質,三角洲頂(ding)點在良口,主要(yao)淤(yu)(yu)積(ji)部位(wei)(wei)在小湖洲~良口段(duan),水(shui)(shui)(shui)(shui)庫(ku)(ku)(ku)(ku)多年(nian)平均泥沙(sha)淤(yu)(yu)積(ji)量400萬(wan)噸。

主要建筑物

樞紐(niu)工程由(you)大壩、船閘、電站廠(chang)房、灌(guan)溉渠(qu)系組(zu)成。

大(da)(da)(da)(da)壩(ba)(ba)(ba)(ba)(ba)(ba)全長(chang)(chang)(chang)(chang)(chang)(chang)1104米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi),共分8個壩(ba)(ba)(ba)(ba)(ba)(ba)段,自右(you)至左依次為:①右(you)側臺地土(tu)(tu)壩(ba)(ba)(ba)(ba)(ba)(ba)長(chang)(chang)(chang)(chang)(chang)(chang)430米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi),壩(ba)(ba)(ba)(ba)(ba)(ba)頂(ding)(ding)高(gao)(gao)程(cheng)105米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi),最(zui)大(da)(da)(da)(da)壩(ba)(ba)(ba)(ba)(ba)(ba)高(gao)(gao)37米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)、壩(ba)(ba)(ba)(ba)(ba)(ba)頂(ding)(ding)寬8.5米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi);②混(hun)凝(ning)土(tu)(tu)船閘壩(ba)(ba)(ba)(ba)(ba)(ba)長(chang)(chang)(chang)(chang)(chang)(chang)51米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi),單級(ji)船閘閘室有效尺寸175米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)×14米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)×2.5米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi);③船閘與電(dian)站廠(chang)房(fang)之間(jian)混(hun)凝(ning)土(tu)(tu)非(fei)溢流壩(ba)(ba)(ba)(ba)(ba)(ba)長(chang)(chang)(chang)(chang)(chang)(chang)18米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi),壩(ba)(ba)(ba)(ba)(ba)(ba)頂(ding)(ding)高(gao)(gao)程(cheng)104米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi),最(zui)大(da)(da)(da)(da)壩(ba)(ba)(ba)(ba)(ba)(ba)高(gao)(gao)44米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi),壩(ba)(ba)(ba)(ba)(ba)(ba)頂(ding)(ding)寬19米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi);④電(dian)站廠(chang)房(fang)混(hun)凝(ning)土(tu)(tu)壩(ba)(ba)(ba)(ba)(ba)(ba)長(chang)(chang)(chang)(chang)(chang)(chang)197米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi),壩(ba)(ba)(ba)(ba)(ba)(ba)頂(ding)(ding)高(gao)(gao)程(cheng)104米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi),最(zui)大(da)(da)(da)(da)壩(ba)(ba)(ba)(ba)(ba)(ba)高(gao)(gao)68.1米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi),河床式(shi)電(dian)站發電(dian)廠(chang)房(fang),安裝5臺機組,單機最(zui)大(da)(da)(da)(da)引(yin)用流量(liang)580立(li)方(fang)米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)每(mei)秒(miao),位于右(you)河床,包括(kuo)主廠(chang)房(fang)、安裝場、操(cao)作管(guan)理大(da)(da)(da)(da)樓、上游(you)進(jin)水渠及攔沙坎、下游(you)尾水渠和擋土(tu)(tu)墻及護(hu)岸(an)工程(cheng)、進(jin)庫公路、廠(chang)外油庫及油處理室;⑤混(hun)凝(ning)土(tu)(tu)底孔壩(ba)(ba)(ba)(ba)(ba)(ba)長(chang)(chang)(chang)(chang)(chang)(chang)150米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi),壩(ba)(ba)(ba)(ba)(ba)(ba)頂(ding)(ding)高(gao)(gao)程(cheng)104米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi),最(zui)大(da)(da)(da)(da)壩(ba)(ba)(ba)(ba)(ba)(ba)高(gao)(gao)58米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi),壩(ba)(ba)(ba)(ba)(ba)(ba)頂(ding)(ding)寬21米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi),壩(ba)(ba)(ba)(ba)(ba)(ba)內(nei)設10個7米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)×9米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)泄流孔,以弧形閘門控制,最(zui)大(da)(da)(da)(da)泄流量(liang)1.38萬(wan)立(li)方(fang)米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)每(mei)秒(miao);⑥混(hun)凝(ning)土(tu)(tu)導(dao)墻長(chang)(chang)(chang)(chang)(chang)(chang)14米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi);⑦混(hun)凝(ning)土(tu)(tu)溢流壩(ba)(ba)(ba)(ba)(ba)(ba)長(chang)(chang)(chang)(chang)(chang)(chang)164米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi),壩(ba)(ba)(ba)(ba)(ba)(ba)頂(ding)(ding)高(gao)(gao)程(cheng)104米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi),最(zui)大(da)(da)(da)(da)壩(ba)(ba)(ba)(ba)(ba)(ba)高(gao)(gao)49米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi),壩(ba)(ba)(ba)(ba)(ba)(ba)頂(ding)(ding)寬21.5米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi),堰(yan)(yan)頂(ding)(ding)高(gao)(gao)程(cheng)84米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi),堰(yan)(yan)寬126米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi),分9孔,每(mei)孔14米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi),弧形閘門14米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)×16.5米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi),最(zui)大(da)(da)(da)(da)下泄流量(liang)2.26萬(wan)立(li)方(fang)米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)每(mei)秒(miao);⑧左側混(hun)凝(ning)土(tu)(tu)非(fei)溢流壩(ba)(ba)(ba)(ba)(ba)(ba)長(chang)(chang)(chang)(chang)(chang)(chang)80米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi),壩(ba)(ba)(ba)(ba)(ba)(ba)頂(ding)(ding)高(gao)(gao)程(cheng)104米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi),最(zui)大(da)(da)(da)(da)壩(ba)(ba)(ba)(ba)(ba)(ba)高(gao)(gao)44米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi),壩(ba)(ba)(ba)(ba)(ba)(ba)頂(ding)(ding)寬22.8米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi),壩(ba)(ba)(ba)(ba)(ba)(ba)體內(nei)設灌(guan)溉涵管(guan)內(nei)徑1.1米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi),引(yin)用流量(liang)4立(li)方(fang)米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)每(mei)秒(miao)。灌(guan)溉渠系分左右(you)岸(an)灌(guan)區(qu),左岸(an)灌(guan)區(qu)主干(gan)渠全長(chang)(chang)(chang)(chang)(chang)(chang)13.59千米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi),支渠6條(tiao)總長(chang)(chang)(chang)(chang)(chang)(chang)25.7千米(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi)(mi);右(you)岸(an)灌(guan)區(qu)未建。

水庫淹沒與移民安置

設(she)計(ji)正常(chang)(chang)蓄水(shui)位(wei)100米,水(shui)庫(ku)淹沒萬(wan)(wan)安(an)縣(xian)、贛縣(xian)區(qu)(qu)、章(zhang)貢區(qu)(qu)3縣(xian)區(qu)(qu)的309個自然村,耕地(di)4710公(gong)(gong)頃(qing)(qing),山林2.3萬(wan)(wan)公(gong)(gong)頃(qing)(qing),鄉級公(gong)(gong)路109.5千米,小型水(shui)利和火力發電站43座,應遷移(yi)(yi)人(ren)(ren)口12.94萬(wan)(wan)人(ren)(ren)。由于移(yi)(yi)民問(wen)題未(wei)得到完全解(jie)決,水(shui)庫(ku)未(wei)達到設(she)計(ji)標準,按(an)初期標準正常(chang)(chang)蓄水(shui)位(wei)96米運(yun)行,淹沒耕地(di)3130公(gong)(gong)頃(qing)(qing),共需遷出14個鄉的72個村8125戶計(ji)4.59萬(wan)(wan)人(ren)(ren)。至1990年(nian)底,共遷移(yi)(yi)4.27萬(wan)(wan)人(ren)(ren),已建(jian)圩(wei)鎮8個,新建(jian)房屋14.8萬(wan)(wan)平(ping)方(fang)米,新建(jian)農房70萬(wan)(wan)平(ping)方(fang)米、雜房9萬(wan)(wan)平(ping)方(fang)米,為(wei)移(yi)(yi)民劃(hua)撥耕地(di)2720公(gong)(gong)頃(qing)(qing)、山地(di)5670公(gong)(gong)頃(qing)(qing)。萬(wan)(wan)安(an)縣(xian)移(yi)(yi)民均(jun)安(an)置在(zai)(zai)本縣(xian),贛縣(xian)區(qu)(qu)移(yi)(yi)民大部分安(an)置在(zai)(zai)本縣(xian)或就地(di)后靠,20戶100人(ren)(ren)安(an)置在(zai)(zai)萬(wan)(wan)安(an)縣(xian)。

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