簡介
皎口(kou)水(shui)庫所在(zai)河(he)流(liu)――樟溪,是甬江(jiang)(jiang)水(shui)系奉(feng)化江(jiang)(jiang)上游的(de)(de)主(zhu)(zhu)要支流(liu)之一,發源于四明山(shan)對崗嶺(ling)東部蓮花村,主(zhu)(zhu)流(liu)自西南向(xiang)東北流(liu)經北溪、李(li)家坑、周公(gong)宅(zhai)、杜岙、大(da)皎等地,與(yu)小皎溪匯合后出皎口(kou)水(shui)庫,并折向(xiang)東南流(liu)經章水(shui)鎮和(he)鄞(yin)(yin)江(jiang)(jiang)鎮,再由鄞(yin)(yin)江(jiang)(jiang)向(xiang)東入奉(feng)化江(jiang)(jiang)、鄞(yin)(yin)江(jiang)(jiang)鎮以上集水(shui)面積348.7平(ping)方公(gong)里,主(zhu)(zhu)流(liu)長58.4 Km,其(qi)中(zhong)已蓄(xu)水(shui)的(de)(de)周公(gong)宅(zhai)水(shui)庫壩址集水(shui)面積132 平(ping)方公(gong)里,主(zhu)(zhu)流(liu)長27.75 Km,流(liu)域地形主(zhu)(zhu)要為(wei)低山(shan)及丘(qiu)陵,山(shan)嶺(ling)高(gao)程一般在(zai)300~900之間,最高(gao)峰為(wei)976米,地勢自西南向(xiang)北傾斜(xie),河(he)道落差較大(da),源短流(liu)急,流(liu)域植(zhi)被良好(hao),水(shui)土(tu)保持較好(hao)。土(tu)壤(rang)(rang)主(zhu)(zhu)要為(wei)紅壤(rang)(rang)及黃(huang)壤(rang)(rang),海拔200米以下為(wei)紅壤(rang)(rang),500米以上為(wei)黃(huang)壤(rang)(rang),其(qi)中(zhong)間為(wei)紅黃(huang)壤(rang)(rang)亞(ya)類土(tu)壤(rang)(rang)并與(yu)紅壤(rang)(rang)穿插。
氣候
本(ben)流(liu)域(yu)(yu)屬亞熱(re)(re)帶季(ji)(ji)風(feng)氣(qi)候區(qu),總的氣(qi)候特(te)征(zheng)是:冬夏(xia)季(ji)(ji)風(feng)交替(ti)顯(xian)著,年(nian)(nian)溫適中(zhong),四季(ji)(ji)分明,雨(yu)(yu)(yu)量(liang)豐沛,日照(zhao)充足(zu),流(liu)域(yu)(yu)多年(nian)(nian)平(ping)均降(jiang)(jiang)(jiang)雨(yu)(yu)(yu)量(liang)1781mm,多年(nian)(nian)平(ping)均雨(yu)(yu)(yu)日157日,最(zui)多185日,最(zui)少年(nian)(nian)126日,降(jiang)(jiang)(jiang)雨(yu)(yu)(yu)量(liang)時空(kong)分布不均,年(nian)(nian)際、年(nian)(nian)內(nei)變(bian)化顯(xian)著,實測最(zui)豐年(nian)(nian)降(jiang)(jiang)(jiang)雨(yu)(yu)(yu)量(liang)2225 mm(1981年(nian)(nian)),最(zui)枯年(nian)(nian)降(jiang)(jiang)(jiang)雨(yu)(yu)(yu)量(liang)982.7 mm(1967年(nian)(nian)),豐枯年(nian)(nian)降(jiang)(jiang)(jiang)雨(yu)(yu)(yu)量(liang)之比為2.3倍。本(ben)地3、4月(yue)(yue)份是西北季(ji)(ji)風(feng)減(jian)退和(he)(he)東南(nan)季(ji)(ji)風(feng)開始增強期(qi),冷暖空(kong)氣(qi)交匯,形(xing)成綿(mian)(mian)綿(mian)(mian)春雨(yu)(yu)(yu),4月(yue)(yue)中(zhong)旬至7月(yue)(yue)中(zhong)旬,夏(xia)季(ji)(ji)風(feng)的暖氣(qi)流(liu)與南(nan)下的冷空(kong)氣(qi)相遇,本(ben)地有持(chi)續時間較長的鋒面(mian)雨(yu)(yu)(yu)、陰雨(yu)(yu)(yu)連綿(mian)(mian),降(jiang)(jiang)(jiang)水(shui)(shui)集中(zhong),俗稱梅雨(yu)(yu)(yu);夏(xia)秋季(ji)(ji)常受(shou)(shou)副高壓脊(ji)控(kong)制,降(jiang)(jiang)(jiang)水(shui)(shui)主要(yao)為臺(tai)風(feng)暴(bao)雨(yu)(yu)(yu)和(he)(he)局(ju)部雷陣雨(yu)(yu)(yu),若(ruo)夏(xia)秋季(ji)(ji)受(shou)(shou)臺(tai)風(feng)和(he)(he)熱(re)(re)帶風(feng)暴(bao)影響較少,則(ze)易造成高溫干旱(han),11月(yue)(yue)至翌年(nian)(nian)2月(yue)(yue),受(shou)(shou)冷高壓控(kong)制,天(tian)氣(qi)以晴冷為主,雨(yu)(yu)(yu)量(liang)較少。
周邊環境
流(liu)域(yu)內(nei)現(xian)有水利工程(cheng)較少,總庫(ku)(ku)(ku)容(rong)(rong)在100萬(wan)立(li)方(fang)米(mi)以(yi)上的水庫(ku)(ku)(ku)有周公宅水庫(ku)(ku)(ku)和(he)榧樹潭水庫(ku)(ku)(ku),周公宅水庫(ku)(ku)(ku)建(jian)于(yu)2003年(nian)(nian),總庫(ku)(ku)(ku)容(rong)(rong)11180萬(wan)立(li)方(fang)米(mi),正(zheng)常蓄水庫(ku)(ku)(ku)容(rong)(rong)9570萬(wan)立(li)方(fang)米(mi),榧樹潭水庫(ku)(ku)(ku)建(jian)于(yu)1991年(nian)(nian),總庫(ku)(ku)(ku)容(rong)(rong)514萬(wan)立(li)方(fang)米(mi),正(zheng)常庫(ku)(ku)(ku)容(rong)(rong)220萬(wan)立(li)方(fang)米(mi),上游河道坡(po)(po)陡(dou)流(liu)急,下游河道坡(po)(po)度較為(wei)平緩,流(liu)域(yu)內(nei)植被(bei)較好,人類活動影響較小。
功用
皎口水(shui)(shui)(shui)(shui)庫(ku)(ku)(ku)(ku)是(shi)一(yi)座(zuo)以防洪(hong)(hong)、灌溉(gai)為(wei)主(zhu),結合(he)發電、養魚、供水(shui)(shui)(shui)(shui)的綜合(he)利用的大(da)(二(er))型水(shui)(shui)(shui)(shui)利工(gong)(gong)(gong)(gong)(gong)程,水(shui)(shui)(shui)(shui)庫(ku)(ku)(ku)(ku)于(yu)(yu)1970年(nian)(nian)(nian)5月(yue)動(dong)工(gong)(gong)(gong)(gong)(gong)興建,1973年(nian)(nian)(nian)5月(yue)封孔(kong)蓄(xu)水(shui)(shui)(shui)(shui),1975年(nian)(nian)(nian)1月(yue)主(zhu)體(ti)(ti)工(gong)(gong)(gong)(gong)(gong)程完工(gong)(gong)(gong)(gong)(gong),1980年(nian)(nian)(nian)6月(yue)電站三臺機組(zu)全部投入運行(xing),1980年(nian)(nian)(nian)12月(yue)省水(shui)(shui)(shui)(shui)利廳組(zu)織(zhi)對(dui)皎口水(shui)(shui)(shui)(shui)庫(ku)(ku)(ku)(ku)進行(xing)竣工(gong)(gong)(gong)(gong)(gong)驗收,1998年(nian)(nian)(nian)機組(zu)容(rong)量從原來3×1250千(qian)(qian)瓦增至(zhi)3×1600千(qian)(qian)瓦,保(bao)壩工(gong)(gong)(gong)(gong)(gong)程于(yu)(yu)1984年(nian)(nian)(nian)10月(yue)動(dong)工(gong)(gong)(gong)(gong)(gong),1988年(nian)(nian)(nian)10月(yue)底完工(gong)(gong)(gong)(gong)(gong),1990年(nian)(nian)(nian)11月(yue)通過保(bao)壩工(gong)(gong)(gong)(gong)(gong)程驗收,水(shui)(shui)(shui)(shui)庫(ku)(ku)(ku)(ku)集水(shui)(shui)(shui)(shui)面(mian)積259平方(fang)公里,總庫(ku)(ku)(ku)(ku)容(rong)1.198億立(li)方(fang)米,樞紐工(gong)(gong)(gong)(gong)(gong)程由(you)攔河大(da)壩、壩體(ti)(ti)泄洪(hong)(hong)洞、壩頂溢洪(hong)(hong)道(dao)、發電輸水(shui)(shui)(shui)(shui)洞和(he)壩后(hou)式電站組(zu)成,皎口水(shui)(shui)(shui)(shui)庫(ku)(ku)(ku)(ku)屬于(yu)(yu)Ⅱ等工(gong)(gong)(gong)(gong)(gong)程,大(da)壩溢洪(hong)(hong)道(dao)、泄洪(hong)(hong)洞、發電輸水(shui)(shui)(shui)(shui)洞按2級建筑物設計(ji)(ji)(ji),電站按四級建筑物設計(ji)(ji)(ji),設計(ji)(ji)(ji)洪(hong)(hong)水(shui)(shui)(shui)(shui)為(wei)百(bai)年(nian)(nian)(nian)一(yi)遇,校核(he)洪(hong)(hong)水(shui)(shui)(shui)(shui)二(er)千(qian)(qian)年(nian)(nian)(nian)一(yi)遇。
修繕
1984年至(zhi)1988年根據水(shui)利(li)(li)部頒發的《水(shui)利(li)(li)水(shui)電(dian)樞(shu)紐工(gong)(gong)程(cheng)等級(ji)劃分及設(she)計(ji)標準》及省(sheng)水(shui)利(li)(li)廳下達的浙水(shui)法(fa)(78)第(di)520號文要求,對皎口水(shui)庫(ku)進行(xing)保壩(ba)(ba)工(gong)(gong)程(cheng),主要項目壩(ba)(ba)體由原78.0米(mi)(mi)(mi)(mi)高(gao)(gao)(gao)程(cheng)升至(zhi)79.4米(mi)(mi)(mi)(mi),加高(gao)(gao)(gao)1.4米(mi)(mi)(mi)(mi),壩(ba)(ba)頂(ding)上游面設(she)混凝土防浪墻,墻高(gao)(gao)(gao)1.2米(mi)(mi)(mi)(mi);壩(ba)(ba)頂(ding)加寬(kuan)5米(mi)(mi)(mi)(mi),達到10米(mi)(mi)(mi)(mi);溢流(liu)壩(ba)(ba)段工(gong)(gong)作(zuo)橋(qiao)(兼交通橋(qiao))抬高(gao)(gao)(gao)0.6米(mi)(mi)(mi)(mi),橋(qiao)面增寬(kuan)3.2米(mi)(mi)(mi)(mi);新建(jian)改(gai)(gai)建(jian)啟閉機室;更新設(she)計(ji)制(zhi)作(zuo)安裝6扇弧型閘(zha)門,并改(gai)(gai)制(zhi)啟閉設(she)備。經過保壩(ba)(ba)工(gong)(gong)程(cheng),最大(da)壩(ba)(ba)高(gao)(gao)(gao)達到67.4米(mi)(mi)(mi)(mi),總庫(ku)容達到1.198億(yi)立方米(mi)(mi)(mi)(mi)。
浙江省(sheng)(sheng)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)利(li)(li)廳浙水(shui)(shui)(shui)(shui)(shui)(shui)(shui)管(guan)52號文《關于下(xia)達牛頭(tou)山水(shui)(shui)(shui)(shui)(shui)(shui)(shui)庫(ku)(ku)(ku)等(deng)(deng)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)庫(ku)(ku)(ku)大(da)(da)壩(ba)(ba)(ba)安(an)(an)(an)全(quan)鑒(jian)定(ding)工(gong)作的通知》,皎(jiao)口(kou)(kou)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)庫(ku)(ku)(ku)列(lie)(lie)入2003年(nian)(nian)安(an)(an)(an)鑒(jian)計(ji)劃(hua),根據(ju)文件精神,鄞州區水(shui)(shui)(shui)(shui)(shui)(shui)(shui)利(li)(li)局成(cheng)(cheng)立(li)皎(jiao)口(kou)(kou)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)庫(ku)(ku)(ku)大(da)(da)壩(ba)(ba)(ba)安(an)(an)(an)全(quan)鑒(jian)定(ding)領導(dao)小組(zu)(zu),皎(jiao)口(kou)(kou)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)庫(ku)(ku)(ku)成(cheng)(cheng)立(li)以局長為組(zu)(zu)長的工(gong)作班(ban)子(zi)。按(an)照(zhao)大(da)(da)綱要(yao)求,皎(jiao)口(kou)(kou)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)庫(ku)(ku)(ku)管(guan)理(li)局委托水(shui)(shui)(shui)(shui)(shui)(shui)(shui)利(li)(li)部水(shui)(shui)(shui)(shui)(shui)(shui)(shui)工(gong)金屬結構質(zhi)量檢驗測(ce)(ce)試中(zhong)心(xin)、省(sheng)(sheng)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)利(li)(li)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)電(dian)勘測(ce)(ce)設計(ji)院、省(sheng)(sheng)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)利(li)(li)河口(kou)(kou)研究院等(deng)(deng)設計(ji),科研單位,開展《閘門(men)及(ji)啟閉機(ji)安(an)(an)(an)全(quan)檢測(ce)(ce)報(bao)(bao)(bao)告(gao)(gao)》、《泄水(shui)(shui)(shui)(shui)(shui)(shui)(shui)、輸水(shui)(shui)(shui)(shui)(shui)(shui)(shui)建(jian)筑物安(an)(an)(an)全(quan)復核(he)報(bao)(bao)(bao)告(gao)(gao)》、《大(da)(da)壩(ba)(ba)(ba)穩定(ding)分析(xi)報(bao)(bao)(bao)告(gao)(gao)》、《洪(hong)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)復核(he)報(bao)(bao)(bao)告(gao)(gao)》、《大(da)(da)壩(ba)(ba)(ba)滲流安(an)(an)(an)全(quan)評價報(bao)(bao)(bao)告(gao)(gao)》、《大(da)(da)壩(ba)(ba)(ba)工(gong)程質(zhi)量評價報(bao)(bao)(bao)告(gao)(gao)》、《大(da)(da)壩(ba)(ba)(ba)應力復核(he)及(ji)變(bian)形觀測(ce)(ce)資料分析(xi)報(bao)(bao)(bao)告(gao)(gao)》、《電(dian)站機(ji)組(zu)(zu)機(ji)電(dian)檢測(ce)(ce)報(bao)(bao)(bao)告(gao)(gao)》、《大(da)(da)壩(ba)(ba)(ba)安(an)(an)(an)全(quan)鑒(jian)定(ding)綜合報(bao)(bao)(bao)告(gao)(gao)》等(deng)(deng)9項(xiang)專題(ti)報(bao)(bao)(bao)告(gao)(gao)的檢測(ce)(ce)編定(ding)工(gong)作,至2003年(nian)(nian)底各(ge)項(xiang)檢測(ce)(ce)及(ji)報(bao)(bao)(bao)告(gao)(gao)編定(ding)工(gong)作結束,2003年(nian)(nian)12月(yue)下(xia)旬,省(sheng)(sheng)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)利(li)(li)廳組(zu)(zu)織(zhi)有部門(men)專家對(dui)皎(jiao)口(kou)(kou)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)庫(ku)(ku)(ku)大(da)(da)壩(ba)(ba)(ba)進(jin)行安(an)(an)(an)全(quan)鑒(jian)定(ding),2004年(nian)(nian)11月(yue),經過專家組(zu)(zu)第二會議,通過《大(da)(da)壩(ba)(ba)(ba)安(an)(an)(an)全(quan)鑒(jian)定(ding)報(bao)(bao)(bao)告(gao)(gao)書(shu)》安(an)(an)(an)全(quan)鑒(jian)定(ding)結論,水(shui)(shui)(shui)(shui)(shui)(shui)(shui)庫(ku)(ku)(ku)安(an)(an)(an)全(quan)等(deng)(deng)級為二類壩(ba)(ba)(ba),(具(ju)體內容(rong)見附錄大(da)(da)壩(ba)(ba)(ba)安(an)(an)(an)全(quan)鑒(jian)定(ding)報(bao)(bao)(bao)告(gao)(gao)書(shu))2005年(nian)(nian)9月(yue)省(sheng)(sheng)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)利(li)(li)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)電(dian)勘測(ce)(ce)設計(ji)院完(wan)成(cheng)(cheng)《皎(jiao)口(kou)(kou)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)庫(ku)(ku)(ku)加(jia)固改(gai)造初(chu)步設計(ji)報(bao)(bao)(bao)告(gao)(gao)》2005年(nian)(nian)12月(yue)經寧(ning)波市(shi)發(fa)展和改(gai)革委員會批復立(li)項(xiang),區府已(yi)把(ba)皎(jiao)口(kou)(kou)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)庫(ku)(ku)(ku)加(jia)固改(gai)造工(gong)程列(lie)(lie)入2007年(nian)(nian)水(shui)(shui)(shui)(shui)(shui)(shui)(shui)利(li)(li)工(gong)程計(ji)劃(hua)。