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沙河集水庫
0 票數:0 #水庫#
沙河集水庫,位于安徽省滁州市沙河鎮西側1公里,大壩橫跨滁河支流清流河上游大沙河,下距津浦鐵路1公里,是以灌溉為主兼有防洪、水產養殖等綜合效益的大型水庫。校核洪水位44.12米,總庫容2.11億立方米。水庫于1958年9月開工興建,1962年9月基本建成,1973年續建加固,至1979年底完成加固工程。
  • 所在地/隸屬: 安徽省滁州(zhou)市(shi)
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水庫特征

沙河(he)集水(shui)(shui)庫(ku)(ku)(ku)(ku),位于安徽省滁州市(shi)沙河(he)鎮西側(ce)1公里(li),大(da)(da)(da)壩(ba)橫跨滁河(he)支流(liu)(liu)清(qing)流(liu)(liu)河(he)上(shang)游大(da)(da)(da)沙河(he),下(xia)距津浦(pu)鐵路1公里(li),是(shi)以(yi)灌溉為主兼有防洪(hong)、水(shui)(shui)產養殖等綜(zong)合效益的大(da)(da)(da)型水(shui)(shui)庫(ku)(ku)(ku)(ku)。水(shui)(shui)庫(ku)(ku)(ku)(ku)以(yi)上(shang)流(liu)(liu)域面積(ji)300平(ping)方(fang)(fang)公里(li),占清(qing)流(liu)(liu)河(he)面積(ji)的四分之一。沙河(he)集水(shui)(shui)庫(ku)(ku)(ku)(ku)多(duo)年平(ping)均降(jiang)水(shui)(shui)量(liang)為976毫(hao)米(mi),多(duo)年平(ping)均來(lai)水(shui)(shui)量(liang)0.78億立(li)方(fang)(fang)米(mi)。水(shui)(shui)庫(ku)(ku)(ku)(ku)防洪(hong)標(biao)準(zhun)按千(qian)年洪(hong)水(shui)(shui)設(she)計,可能最(zui)(zui)(zui)大(da)(da)(da)降(jiang)水(shui)(shui)校核,大(da)(da)(da)壩(ba)設(she)計抗震烈度為7度。水(shui)(shui)庫(ku)(ku)(ku)(ku)死水(shui)(shui)位31.6米(mi),相應(ying)庫(ku)(ku)(ku)(ku)容(rong)(rong)0.21億立(li)方(fang)(fang)米(mi);興利水(shui)(shui)位40.5米(mi),相應(ying)庫(ku)(ku)(ku)(ku)容(rong)(rong)1.03億立(li)方(fang)(fang)米(mi);校核洪(hong)水(shui)(shui)位44.12米(mi),總(zong)庫(ku)(ku)(ku)(ku)容(rong)(rong)2.11億立(li)方(fang)(fang)米(mi)。壩(ba)頂(ding)高(gao)程44.4米(mi),最(zui)(zui)(zui)大(da)(da)(da)壩(ba)高(gao)27.4米(mi),為均質土壩(ba),防浪墻頂(ding)高(gao)程45.6米(mi)。水(shui)(shui)庫(ku)(ku)(ku)(ku)有灌溉放水(shui)(shui)涵洞(dong)3座(zuo),溢洪(hong)道(dao)和非常(chang)溢洪(hong)道(dao)各1座(zuo)。溢洪(hong)道(dao)進口處建閘控制,最(zui)(zui)(zui)大(da)(da)(da)泄(xie)洪(hong)流(liu)(liu)量(liang)1680立(li)方(fang)(fang)米(mi)每秒,非常(chang)溢洪(hong)道(dao)最(zui)(zui)(zui)大(da)(da)(da)泄(xie)洪(hong)流(liu)(liu)量(liang)3085立(li)方(fang)(fang)米(mi)每秒。

建設維護

水(shui)庫于1958年(nian)9月開工興建(jian),1962年(nian)9月基(ji)本建(jian)成(cheng),1973年(nian)續建(jian)加固(gu),至1979年(nian)底完(wan)成(cheng)加固(gu)工程。至1988年(nian)底止,水(shui)庫工程共完(wan)成(cheng)投(tou)資(zi)811.8萬元,土、石方挖填(包括(kuo)混凝土)337.9萬立(li)方米。

攔河大壩

大(da)壩(ba)(ba)(ba)是(shi)按(an)(an)1958年(nian)(nian)簡易規(gui)(gui)劃設(she)計(ji)(ji)所定(ding)(ding)斷(duan)面(mian)(mian)施(shi)(shi)工(gong)(gong)(gong)(gong)(gong)的(de)。壩(ba)(ba)(ba)頂高(gao)(gao)(gao)(gao)程(cheng)(cheng)45米(mi)(mi)(mi)(mi),頂寬5米(mi)(mi)(mi)(mi)。上(shang)(shang)游(you)(you)坡37.5米(mi)(mi)(mi)(mi)高(gao)(gao)(gao)(gao)程(cheng)(cheng)以(yi)(yi)(yi)上(shang)(shang)為(wei)(wei)1:2.5,以(yi)(yi)(yi)下為(wei)(wei)1:3;37.5米(mi)(mi)(mi)(mi)和(he)29.5米(mi)(mi)(mi)(mi)高(gao)(gao)(gao)(gao)程(cheng)(cheng)處(chu)設(she)1.5米(mi)(mi)(mi)(mi)寬平(ping)臺(tai)(tai)。下游(you)(you)坡在37.5米(mi)(mi)(mi)(mi)高(gao)(gao)(gao)(gao)程(cheng)(cheng)以(yi)(yi)(yi)上(shang)(shang)為(wei)(wei)1:2,以(yi)(yi)(yi)下為(wei)(wei)1:2.5,壩(ba)(ba)(ba)后(hou)渠底高(gao)(gao)(gao)(gao)程(cheng)(cheng)30.0~29.5米(mi)(mi)(mi)(mi);河槽段(duan)壩(ba)(ba)(ba)基(ji)設(she)粘(zhan)土(tu)截(jie)水(shui)槽以(yi)(yi)(yi)防滲,上(shang)(shang)游(you)(you)設(she)100米(mi)(mi)(mi)(mi)長、1~1.5米(mi)(mi)(mi)(mi)厚的(de)粘(zhan)土(tu)鋪(pu)蓋。大(da)壩(ba)(ba)(ba)于(yu)1958年(nian)(nian)9月(yue)(yue)開(kai)工(gong)(gong)(gong)(gong)(gong),在工(gong)(gong)(gong)(gong)(gong)地(di)成(cheng)(cheng)立工(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)指(zhi)揮部(bu)。土(tu)方挖填(tian)(tian)(tian)(tian)由民(min)(min)工(gong)(gong)(gong)(gong)(gong)承擔,先由常備民(min)(min)工(gong)(gong)(gong)(gong)(gong)填(tian)(tian)(tian)(tian)筑(zhu)(zhu)(zhu)施(shi)(shi)工(gong)(gong)(gong)(gong)(gong)圍堰(yan),開(kai)挖導(dao)流溝截(jie)水(shui)槽和(he)清理(li)壩(ba)(ba)(ba)基(ji)。粘(zhan)土(tu)鋪(pu)蓋未(wei)按(an)(an)設(she)計(ji)(ji)要求施(shi)(shi)工(gong)(gong)(gong)(gong)(gong),從壩(ba)(ba)(ba)腳(jiao)開(kai)始漸向上(shang)(shang)游(you)(you)推進(jin)長50~60米(mi)(mi)(mi)(mi),厚1米(mi)(mi)(mi)(mi)以(yi)(yi)(yi)上(shang)(shang),未(wei)加(jia)(jia)(jia)碾(nian)(nian)壓。截(jie)水(shui)槽按(an)(an)設(she)計(ji)(ji)斷(duan)面(mian)(mian)開(kai)挖到(dao)基(ji)巖面(mian)(mian)后(hou),清掃干凈,取(qu)選定(ding)(ding)料(liao)區的(de)粘(zhan)性壤土(tu)回填(tian)(tian)(tian)(tian),分層(ceng)(ceng)夯實,填(tian)(tian)(tian)(tian)筑(zhu)(zhu)(zhu)至高(gao)(gao)(gao)(gao)出原地(di)面(mian)(mian)為(wei)(wei)止。10月(yue)(yue)份(fen),組(zu)織近百名民(min)(min)工(gong)(gong)(gong)(gong)(gong)開(kai)始在河槽及灘地(di)段(duan)按(an)(an)設(she)計(ji)(ji)斷(duan)面(mian)(mian)填(tian)(tian)(tian)(tian)筑(zhu)(zhu)(zhu)壩(ba)(ba)(ba)體。人工(gong)(gong)(gong)(gong)(gong)運(yun)土(tu),分層(ceng)(ceng)夯實,能達到(dao)設(she)計(ji)(ji)要求,于(yu)1959年(nian)(nian)春節(jie)(jie)前填(tian)(tian)(tian)(tian)筑(zhu)(zhu)(zhu)到(dao)24~25米(mi)(mi)(mi)(mi)高(gao)(gao)(gao)(gao)程(cheng)(cheng)。春節(jie)(jie)后(hou),指(zhi)揮部(bu)為(wei)(wei)求大(da)壩(ba)(ba)(ba)及早合龍蓄水(shui),全壩(ba)(ba)(ba)按(an)(an)小斷(duan)面(mian)(mian)填(tian)(tian)(tian)(tian)筑(zhu)(zhu)(zhu)到(dao)34~34.5米(mi)(mi)(mi)(mi)高(gao)(gao)(gao)(gao)程(cheng)(cheng),頂寬1米(mi)(mi)(mi)(mi);上(shang)(shang)游(you)(you)壩(ba)(ba)(ba)坡按(an)(an)設(she)計(ji)(ji)標準做(zuo)足,下游(you)(you)壩(ba)(ba)(ba)后(hou)期求快,采用(yong)(yong)的(de)土(tu)料(liao)含砂(sha)很(hen)重,增(zeng)加(jia)(jia)(jia)分層(ceng)(ceng)厚度,碾(nian)(nian)壓不(bu)認真(zhen),質量很(hen)差(cha)(cha)。導(dao)流溝合龍時適遇大(da)雨,就近取(qu)夾有風化石的(de)土(tu)料(liao)上(shang)(shang)壩(ba)(ba)(ba),填(tian)(tian)(tian)(tian)筑(zhu)(zhu)(zhu)厚度1~2.5米(mi)(mi)(mi)(mi),未(wei)加(jia)(jia)(jia)碾(nian)(nian)壓,為(wei)(wei)大(da)壩(ba)(ba)(ba)留下隱患(huan)。是(shi)年(nian)(nian)5月(yue)(yue)填(tian)(tian)(tian)(tian)筑(zhu)(zhu)(zhu)至規(gui)(gui)定(ding)(ding)高(gao)(gao)(gao)(gao)程(cheng)(cheng)后(hou),民(min)(min)工(gong)(gong)(gong)(gong)(gong)回鄉春耕,工(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)暫停。10月(yue)(yue)繼續施(shi)(shi)工(gong)(gong)(gong)(gong)(gong),仍是(shi)小斷(duan)面(mian)(mian)加(jia)(jia)(jia)高(gao)(gao)(gao)(gao)至38~39米(mi)(mi)(mi)(mi)高(gao)(gao)(gao)(gao)程(cheng)(cheng),頂寬1米(mi)(mi)(mi)(mi)。上(shang)(shang)游(you)(you)壩(ba)(ba)(ba)坡按(an)(an)設(she)計(ji)(ji)坡度上(shang)(shang)升,下游(you)(you)壩(ba)(ba)(ba)坡28~29米(mi)(mi)(mi)(mi)高(gao)(gao)(gao)(gao)程(cheng)(cheng)以(yi)(yi)(yi)下河槽段(duan)用(yong)(yong)砂(sha)礫填(tian)(tian)(tian)(tian)筑(zhu)(zhu)(zhu),坡度1:5,在29米(mi)(mi)(mi)(mi)高(gao)(gao)(gao)(gao)程(cheng)(cheng)留10米(mi)(mi)(mi)(mi)寬平(ping)臺(tai)(tai);平(ping)臺(tai)(tai)以(yi)(yi)(yi)上(shang)(shang)用(yong)(yong)壤土(tu)填(tian)(tian)(tian)(tian)筑(zhu)(zhu)(zhu),坡度1:1.5~1:2。初期施(shi)(shi)工(gong)(gong)(gong)(gong)(gong)質量尚(shang)可,后(hou)期差(cha)(cha),河槽段(duan)筑(zhu)(zhu)(zhu)壩(ba)(ba)(ba)土(tu)料(liao)土(tu)質極不(bu)均勻(yun),部(bu)分壤土(tu)含砂(sha)性很(hen)重,并(bing)摻(chan)有草根等雜物,碾(nian)(nian)壓不(bu)實,各施(shi)(shi)工(gong)(gong)(gong)(gong)(gong)隊間形成(cheng)(cheng)界溝。至1960年(nian)(nian)5月(yue)(yue)大(da)壩(ba)(ba)(ba)填(tian)(tian)(tian)(tian)筑(zhu)(zhu)(zhu)到(dao)38米(mi)(mi)(mi)(mi)高(gao)(gao)(gao)(gao)程(cheng)(cheng)工(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)暫停。

1961年3月(yue)至6月(yue),由(you)安徽省水利工程總(zong)隊管(guan)教六支隊施工,按渡汛(xun)設(she)(she)計(ji)(ji)將(jiang)大(da)壩加高至高程40米(mi),頂(ding)寬(kuan)3米(mi)。1962年春,管(guan)教六支隊按修正設(she)(she)計(ji)(ji)繼續(xu)施工,至9月(yue)壩頂(ding)填筑(zhu)(zhu)到設(she)(she)計(ji)(ji)高程41.5米(mi),并(bing)用漿砌(qi)(qi)塊石(shi)砌(qi)(qi)筑(zhu)(zhu)防浪墻,頂(ding)高42.5米(mi),頂(ding)寬(kuan)0.3~0.4米(mi)。是(shi)年按修正設(she)(she)計(ji)(ji)筑(zhu)(zhu)排(pai)水體2處,一在壩后(hou)渠內側(ce)設(she)(she)貼(tie)坡反濾,一在下游壩坡上設(she)(she)排(pai)水體。

1973年(nian),為加固大壩(ba)(ba)成立沙河集(ji)水(shui)庫工(gong)程(cheng)(cheng)領(ling)導小組(zu)。是年(nian)9月開工(gong),大壩(ba)(ba)頂高程(cheng)(cheng)加到44.4米(mi)(mi)(mi),頂寬4.6米(mi)(mi)(mi),1974年(nian)5月完(wan)成。工(gong)程(cheng)(cheng)質量除各民(min)工(gong)營(ying)之(zhi)間的結合(he)部(bu)不(bu)夠密實外,其(qi)他部(bu)分基本符合(he)設計要求。在(zai)土壩(ba)(ba)加高培(pei)厚時,原有(you)反濾不(bu)拆除,在(zai)原壩(ba)(ba)后渠(qu)底及抗震平(ping)臺下每隔10米(mi)(mi)(mi)設橫向砂(sha)溝(gou)(gou),將排(pai)(pai)水(shui)體(ti)的水(shui)排(pai)(pai)出壩(ba)(ba)體(ti)。在(zai)32.5米(mi)(mi)(mi)及37.0米(mi)(mi)(mi)高程(cheng)(cheng)下游(you)壩(ba)(ba)坡平(ping)臺上,各設一(yi)道縱向排(pai)(pai)水(shui)明(ming)溝(gou)(gou),再由橫向明(ming)溝(gou)(gou)排(pai)(pai)到壩(ba)(ba)下。

1978~1979年(nian)(nian),填筑(zhu)了10米寬的(de)抗震平臺。1978年(nian)(nian)4月至1979年(nian)(nian),完(wan)成了粘土井柱防(fang)滲心(xin)墻。1980年(nian)(nian)下半(ban)年(nian)(nian),按加固(gu)設計完(wan)成第二(er)道防(fang)浪(lang)墻,墻頂(ding)高程45.4米,斷面與1962年(nian)(nian)建(jian)成的(de)第一道防(fang)浪(lang)墻相同,墻體每隔15米留一沉陷縫(feng)。

放水涵洞

放水(shui)(shui)(shui)涵(han)(han)(han)洞共有3個,即老(lao)涵(han)(han)(han)、南(nan)涵(han)(han)(han)和(he)小北(bei)涵(han)(han)(han)。老(lao)涵(han)(han)(han)在(zai)(zai)(zai)(zai)壩的(de)(de)北(bei)端(duan),經壩后渠輸(shu)水(shui)(shui)(shui)。原設計(ji)(ji)中放水(shui)(shui)(shui)涵(han)(han)(han)洞設在(zai)(zai)(zai)(zai)南(nan)壩頭與小孤山結合(he)處(chu)巖基上(shang),因河道(dao)深槽(cao)緊靠山腳,山坡(po)較(jiao)陡,石(shi)方開(kai)挖量大,工(gong)期較(jiao)長(chang),經研究(jiu)改建(jian)(jian)(jian)在(zai)(zai)(zai)(zai)壩的(de)(de)北(bei)端(duan)。該涵(han)(han)(han)為漿砌(qi)塊石(shi)結構,總(zong)長(chang)59米(mi)(mi),進(jin)口涵(han)(han)(han)底高程(cheng)(cheng)30米(mi)(mi),洞身(shen)為馬蹄(ti)形,孔(kong)寬2米(mi)(mi),拱座高1.423米(mi)(mi);設計(ji)(ji)引水(shui)(shui)(shui)流量12立方米(mi)(mi)每秒。豎井設在(zai)(zai)(zai)(zai)上(shang)游(you)壩肩處(chu),設主、副鋼(gang)筋混(hun)(hun)(hun)凝(ning)(ning)(ning)土(tu)(tu)(tu)(tu)平板(ban)門(men),各用(yong)2臺10噸螺(luo)桿(gan)啟閉機聯動啟閉。1958年(nian)(nian)(nian)開(kai)工(gong),1959年(nian)(nian)(nian)建(jian)(jian)(jian)成(cheng)(cheng)。在(zai)(zai)(zai)(zai)續(xu)建(jian)(jian)(jian)加(jia)固(gu)時(shi),老(lao)涵(han)(han)(han)不再輸(shu)水(shui)(shui)(shui)灌溉,留作在(zai)(zai)(zai)(zai)特殊情(qing)(qing)況時(shi)輔助泄洪和(he)放空庫水(shui)(shui)(shui)及(ji)建(jian)(jian)(jian)小型水(shui)(shui)(shui)力(li)發(fa)電站用(yong)。南(nan)涵(han)(han)(han)位于(yu)大壩南(nan)端(duan),為鋼(gang)筋混(hun)(hun)(hun)凝(ning)(ning)(ning)土(tu)(tu)(tu)(tu)底板(ban)和(he)蓋板(ban)、漿砌(qi)塊石(shi)夾混(hun)(hun)(hun)凝(ning)(ning)(ning)土(tu)(tu)(tu)(tu)邊墻的(de)(de)混(hun)(hun)(hun)合(he)結構。洞身(shen)為矩形斷面,寬2.5米(mi)(mi),高3.3米(mi)(mi),底板(ban)進(jin)口高程(cheng)(cheng)29.1米(mi)(mi);設計(ji)(ji)引水(shui)(shui)(shui)流量14.3立方米(mi)(mi)每秒,閘(zha)門(men)和(he)啟閉機情(qing)(qing)況同(tong)老(lao)涵(han)(han)(han)。1973年(nian)(nian)(nian)9月開(kai)工(gong)興建(jian)(jian)(jian)南(nan)涵(han)(han)(han),先筑(zhu)上(shang)游(you)圍堰(yan),再切開(kai)大壩。時(shi)值嚴冬,施工(gong)條件差,挖到底部時(shi)滲水(shui)(shui)(shui)嚴重,邊坡(po)常坍塌,用(yong)杉(shan)木條、毛(mao)竹支(zhi)撐。待挖至設計(ji)(ji)高程(cheng)(cheng)時(shi),立即澆(jiao)(jiao)筑(zhu)混(hun)(hun)(hun)凝(ning)(ning)(ning)土(tu)(tu)(tu)(tu)底板(ban)。在(zai)(zai)(zai)(zai)施工(gong)進(jin)口擋土(tu)(tu)(tu)(tu)墻時(shi),滲水(shui)(shui)(shui)難以排盡(jin),研究(jiu)采取人(ren)工(gong)挖孔(kong)澆(jiao)(jiao)筑(zhu)混(hun)(hun)(hun)凝(ning)(ning)(ning)土(tu)(tu)(tu)(tu)井柱,高出水(shui)(shui)(shui)面后在(zai)(zai)(zai)(zai)上(shang)面澆(jiao)(jiao)筑(zhu)鋼(gang)筋混(hun)(hun)(hun)凝(ning)(ning)(ning)土(tu)(tu)(tu)(tu)蓋板(ban),再用(yong)漿砌(qi)塊石(shi)砌(qi)筑(zhu)至設計(ji)(ji)高程(cheng)(cheng),從(cong)而保證了工(gong)程(cheng)(cheng)進(jin)度(du)。1974年(nian)(nian)(nian)4月工(gong)程(cheng)(cheng)建(jian)(jian)(jian)成(cheng)(cheng)。由(you)于(yu)涵(han)(han)(han)洞位于(yu)壩體填(tian)筑(zhu)夾石(shi)土(tu)(tu)(tu)(tu)層部位,結合(he)不好(hao),兩側邊墻砌(qi)筑(zhu)不密實,夾層混(hun)(hun)(hun)凝(ning)(ning)(ning)土(tu)(tu)(tu)(tu)有蜂窩(wo),洞身(shen)滲漏嚴重,在(zai)(zai)(zai)(zai)加(jia)固(gu)工(gong)程(cheng)(cheng)中進(jin)行(xing)灌漿堵漏。加(jia)固(gu)工(gong)程(cheng)(cheng)于(yu)1978年(nian)(nian)(nian)施工(gong),共鉆孔(kong)150孔(kong),灌注水(shui)(shui)(shui)泥(ni)漿和(he)粘(zhan)土(tu)(tu)(tu)(tu)摻水(shui)(shui)(shui)泥(ni)混(hun)(hun)(hun)合(he)漿,共用(yong)去水(shui)(shui)(shui)泥(ni)60噸,干土(tu)(tu)(tu)(tu)32噸。北(bei)涵(han)(han)(han)位于(yu)大壩北(bei)端(duan),系鋼(gang)筋混(hun)(hun)(hun)凝(ning)(ning)(ning)土(tu)(tu)(tu)(tu)圓涵(han)(han)(han),直(zhi)徑0.6米(mi)(mi),洞身(shen)埋(mai)設在(zai)(zai)(zai)(zai)溢洪道(dao)泄洪閘(zha)的(de)(de)翼墻內;進(jin)口處(chu)設鋼(gang)筋混(hun)(hun)(hun)凝(ning)(ning)(ning)土(tu)(tu)(tu)(tu)圓筒門(men),系單孔(kong),與泄洪閘(zha)同(tong)時(shi)興建(jian)(jian)(jian),1977年(nian)(nian)(nian)建(jian)(jian)(jian)成(cheng)(cheng)。

泄洪工程

溢(yi)洪(hong)道(dao)(dao):1958年(nian)(nian)設計文件中(zhong),溢(yi)洪(hong)道(dao)(dao)位(wei)于(yu)大壩(ba)北端與山(shan)許河(he)相距較近的山(shan)洼處。挖開(kai)山(shan)崗通(tong)山(shan)許河(he),因土石方量大,未采用(yong)。1961年(nian)(nian)3月(yue),為保水(shui)庫安全,在大壩(ba)北端不遠處開(kai)挖了臨時溢(yi)洪(hong)道(dao)(dao)。進(jin)口底(di)(di)(di)高(gao)(gao)程(cheng)34.5米(mi)(mi),底(di)(di)(di)寬(kuan)(kuan)69米(mi)(mi),中(zhong)間(jian)有(you)5米(mi)(mi)寬(kuan)(kuan)、2米(mi)(mi)深(shen)(shen)的深(shen)(shen)槽,下(xia)接(jie)老河(he)道(dao)(dao);至8月(yue)上旬開(kai)通(tong),10月(yue)挖通(tong)引河(he),工(gong)程(cheng)由(you)省管教六支(zhi)隊(dui)施工(gong)。1966年(nian)(nian),為蓄水(shui)在溢(yi)洪(hong)道(dao)(dao)泄(xie)洪(hong)閘位(wei)置(zhi)處建滾水(shui)壩(ba),壩(ba)頂(ding)高(gao)(gao)程(cheng)37米(mi)(mi),長(chang)74.7米(mi)(mi),中(zhong)間(jian)偏左有(you)兩個深(shen)(shen)孔,凈寬(kuan)(kuan)3米(mi)(mi),底(di)(di)(di)高(gao)(gao)程(cheng)32.8米(mi)(mi),設插板門控制,于(yu)1967年(nian)(nian)汛(xun)前完成。1974年(nian)(nian)在溢(yi)洪(hong)道(dao)(dao)進(jin)口處拆(chai)除滾水(shui)壩(ba),建4孔40米(mi)(mi)寬(kuan)(kuan)的泄(xie)洪(hong)閘1座,閘底(di)(di)(di)板高(gao)(gao)34.5米(mi)(mi),1977年(nian)(nian)7月(yue)完工(gong)。

非(fei)常溢洪道(dao):緊靠泄洪閘左岸,總寬200米(mi),兩邊(bian)淺槽高程(cheng)39.5米(mi),中間100米(mi)深槽底(di)高程(cheng)37.5米(mi)。1977年(nian)年(nian)底(di)開(kai)挖(wa),1978年(nian)底(di)完成。表層土方由民工挖(wa)運,石方由指揮(hui)部組織專(zhuan)業隊爆(bao)破,民工負責清渣。自潰壩(ba)因(yin)壩(ba)體(ti)設計未定而未填筑(zhu)。

除險加固

由于當初土壩(ba)施工(gong)(gong)質(zhi)量差,致使壩(ba)身(shen)、壩(ba)基存在(zai)滲漏隱患和壩(ba)坡(po)塌(ta)陷(xian)、壩(ba)頂(ding)開裂(lie)等險(xian)情,被確(que)定為“三(san)類(lei)壩(ba)”。1998年(nian),長江(jiang)水利委員(yuan)會對《沙河集水庫除險(xian)加固工(gong)(gong)程可(ke)行性研究報告(gao)》進行了(le)審查。安(an)徽省計委核(he)定樞(shu)紐加固工(gong)(gong)程總投資4195.42萬(wan)元,主要建設內容包括(kuo)大壩(ba)灌漿防滲、溢(yi)洪道(dao)及放水涵(han)洞加固等。2001年(nian)5月開工(gong)(gong)建設,2002年(nian)12月竣工(gong)(gong)驗收。

管理運用

1962年(nian)(nian)成(cheng)立沙河(he)集水庫管(guan)理(li)所,1981年(nian)(nian)升格為管(guan)理(li)處(chu)。1980年(nian)(nian)以(yi)前(qian),管(guan)理(li)工(gong)作著重(zhong)在(zai)工(gong)程管(guan)理(li)方面,以(yi)做好調度運用和工(gong)程的養護維修(xiu)為主,并抽出(chu)人員兼管(guan)施工(gong)。1981年(nian)(nian)后,按照水利部提(ti)出(chu)的“確(que)保工(gong)程安全(quan),充分發揮效益,積極(ji)開展多種經(jing)營”開展了經(jing)營管(guan)理(li)工(gong)作。

樞紐管理

1963~1972年(nian)(nian),大(da)(da)壩(ba)雖已按設(she)計標準建成,但(dan)尚有(you)(you)零星尾工(gong)(gong)(gong)。由(you)于施工(gong)(gong)(gong)質量(liang)較(jiao)差,壩(ba)后(hou)滲(shen)水嚴重,忙于進(jin)(jin)行(xing)補救(jiu)處(chu)理(li)(li)(li),管(guan)(guan)理(li)(li)(li)工(gong)(gong)(gong)作較(jiao)粗。1973年(nian)(nian)開(kai)始進(jin)(jin)行(xing)加高培厚,至(zhi)1982年(nian)(nian),粘土井柱心(xin)墻的事故(gu)井處(chu)理(li)(li)(li)完(wan)畢,才有(you)(you)條件加強管(guan)(guan)理(li)(li)(li)工(gong)(gong)(gong)作。嗣(si)后(hou),大(da)(da)壩(ba)建立(li)了專管(guan)(guan)小組,劃段負(fu)責(ze),責(ze)任到(dao)人,建立(li)每月檢(jian)查(cha)(cha)(cha)評比制(zhi)度(du),堅持執行(xing)年(nian)(nian)終總(zong)評,獎優罰劣。1986年(nian)(nian)用(yong)(yong)漿砌(qi)塊石護砌(qi)下(xia)游壩(ba)肩。1987年(nian)(nian)7月,因雨水較(jiao)多,大(da)(da)壩(ba)背(bei)水坡(po)出現(xian)淺層滑(hua)坡(po)3處(chu),經開(kai)挖檢(jian)查(cha)(cha)(cha),裂(lie)縫深20~30厘米并無發展,即回填夯實。1982年(nian)(nian)經滁州市(shi)白(bai)蟻防(fang)治研(yan)究所檢(jian)查(cha)(cha)(cha),大(da)(da)壩(ba)右端小弧山坡(po)和壩(ba)腳下(xia)竹園發現(xian)有(you)(you)白(bai)蟻活動跡象,在壩(ba)下(xia)防(fang)洪(hong)堤發現(xian)有(you)(you)土樓白(bai)蟻。是年(nian)(nian)5月采用(yong)(yong)燈光、毒餌誘(you)殺(sha),1983年(nian)(nian)設(she)置誘(you)蟻樁等進(jin)(jin)行(xing)綜合(he)防(fang)治,效果較(jiao)好。

泄(xie)洪(hong)閘(zha)、放(fang)水涵洞均指定(ding)專人管理,每年(nian)汛期前后(hou)各進行(xing)一次(ci)檢(jian)查,并維修(xiu)養護以確保設備完好(hao),運(yun)轉靈活,并做好(hao)運(yun)行(xing)記錄。除正常工作(zuo)外,1986年(nian)小北涵的(de)圓筒式(shi)閘(zha)門因漏水改造(zao)為鑄(zhu)鐵閘(zha)門,并更換啟(qi)閉機。1987年(nian)裝置了泄(xie)洪(hong)閘(zha)檢(jian)修(xiu)插板門。是年(nian)冬,在非常溢(yi)洪(hong)道(dao)處(chu)建(jian)一座小土堰(yan),堰(yan)頂高(gao)程39.8米(mi),頂寬2米(mi);又對泄(xie)洪(hong)閘(zha)下游泄(xie)洪(hong)渠道(dao)的(de)防洪(hong)導流堤進行(xing)護砌(qi)。

水工觀測

1962年(nian)曾(ceng)在(zai)大壩(ba)(ba)(ba)處埋設測(ce)(ce)(ce)壓管(guan)(guan)(guan)28根(gen),用于河槽(cao)段及壩(ba)(ba)(ba)身(shen)浸(jin)潤觀(guan)(guan)(guan)(guan)測(ce)(ce)(ce),因管(guan)(guan)(guan)理不(bu)善(shan),到1968年(nian)能(neng)進行(xing)(xing)觀(guan)(guan)(guan)(guan)測(ce)(ce)(ce)的(de)僅存10根(gen)。由于觀(guan)(guan)(guan)(guan)測(ce)(ce)(ce)資料不(bu)全,也未進行(xing)(xing)整編(bian),隨著大壩(ba)(ba)(ba)續建加(jia)高,所有(you)(you)測(ce)(ce)(ce)壓管(guan)(guan)(guan)均被埋沒。1982年(nian)、1983年(nian)先后(hou)安裝測(ce)(ce)(ce)壓管(guan)(guan)(guan)49根(gen)。其(qi)中內壩(ba)(ba)(ba)基揚(yang)壓力(li)(li)管(guan)(guan)(guan)4根(gen),繞(rao)滲管(guan)(guan)(guan)5根(gen),壩(ba)(ba)(ba)身(shen)浸(jin)潤線管(guan)(guan)(guan)40根(gen)。在(zai)49根(gen)測(ce)(ce)(ce)壓管(guan)(guan)(guan)中,淤積的(de)有(you)(you)15根(gen),死水管(guan)(guan)(guan)或靈敏度很差的(de)4根(gen),受降(jiang)雨影(ying)響的(de)16根(gen)。測(ce)(ce)(ce)壓管(guan)(guan)(guan)觀(guan)(guan)(guan)(guan)測(ce)(ce)(ce)工作由專人負責,按規范要(yao)求進行(xing)(xing),汛期5天(tian)、平時10天(tian)觀(guan)(guan)(guan)(guan)測(ce)(ce)(ce)一次,年(nian)終進行(xing)(xing)整編(bian)。根(gen)據已有(you)(you)觀(guan)(guan)(guan)(guan)測(ce)(ce)(ce)資料分(fen)析,證明(ming)粘(zhan)(zhan)土井(jing)樁心(xin)墻達到防滲設計(ji)要(yao)求,起(qi)到心(xin)墻的(de)防滲作用。壩(ba)(ba)(ba)基揚(yang)壓力(li)(li)比較穩定,繞(rao)壩(ba)(ba)(ba)滲漏(lou)和壩(ba)(ba)(ba)基滲漏(lou)經粘(zhan)(zhan)土灌漿、涵洞水泥(ni)灌漿、粘(zhan)(zhan)土井(jing)柱心(xin)墻加(jia)固后(hou),上游抗滲能(neng)力(li)(li)加(jia)強,下游排滲條件改善(shan),繞(rao)壩(ba)(ba)(ba)滲漏(lou)和壩(ba)(ba)(ba)基滲漏(lou)有(you)(you)明(ming)顯改善(shan)。

水文測報

水文(wen)測(ce)報工作由(you)水庫(ku)水文(wen)站(zhan)(zhan)負責進行,屬(shu)滁(chu)縣地區(qu)水文(wen)分站(zhan)(zhan)領導,自1962年起(qi)有(you)觀(guan)測(ce)資料。庫(ku)址(zhi)處(chu)用人工觀(guan)測(ce)水位(wei)、雨量,用流(liu)(liu)(liu)速儀施(shi)測(ce)南涵灌溉流(liu)(liu)(liu)量和泄洪閘泄洪流(liu)(liu)(liu)量。在庫(ku)區(qu)內有(you)曲亭(ting)等5處(chu)雨量站(zhan)(zhan),均為委托站(zhan)(zhan),汛期向(xiang)省(sheng)防(fang)汛指揮部、國家防(fang)汛總指揮部及有(you)關(guan)省(sheng)、縣(市),報送(song)水庫(ku)水位(wei)、流(liu)(liu)(liu)量及雨量資料。

控制運用

自(zi)1970~1985年(nian),各(ge)年(nian)的(de)汛(xun)期限制水(shui)位定(ding)為(wei)(wei)36.0米(mi)(mi)(mi)。1986年(nian)為(wei)(wei)37.0米(mi)(mi)(mi),1987年(nian)起汛(xun)后蓄水(shui)位為(wei)(wei)37.5米(mi)(mi)(mi),汛(xun)期仍為(wei)(wei)37.0米(mi)(mi)(mi)。當水(shui)位超過(guo)汛(xun)期限制水(shui)位時,泄(xie)洪(hong)閘等根(gen)據預定(ding)計劃(hua)控制泄(xie)洪(hong)。自(zi)1970~1988年(nian),實(shi)際的(de)年(nian)最高(gao)(gao)水(shui)位僅有兩(liang)年(nian)低于36米(mi)(mi)(mi),其他各(ge)年(nian)均在(zai)36米(mi)(mi)(mi)以上(shang)。以1987年(nian)為(wei)(wei)最高(gao)(gao),達38.4米(mi)(mi)(mi)。是(shi)年(nian)入庫最大(da)流量為(wei)(wei)1040立方(fang)米(mi)(mi)(mi)每秒,下泄(xie)流量為(wei)(wei)263立方(fang)米(mi)(mi)(mi)每秒。

遷移賠償

1958年(nian)水庫(ku)工程(cheng)開工以前,沒(mei)(mei)(mei)有(you)進行(xing)過庫(ku)區淹沒(mei)(mei)(mei)情況的(de)(de)調(diao)查;但(dan)在編制水庫(ku)技術設計(ji)草稿(gao)中,曾(ceng)提到(dao)20年(nian)一遇(yu)洪(hong)水位41.15米(mi)時,受(shou)淹面積16平方(fang)公(gong)里。50年(nian)一遇(yu)洪(hong)水位41.65米(mi)時,受(shou)淹面積20.3平方(fang)公(gong)里,淹沒(mei)(mei)(mei)農田1.7萬畝(mu),估算遷(qian)賠(pei)經費(fei)(fei)2萬元(yuan)。自1963~1988年(nian)止,共(gong)作過4~5次淹沒(mei)(mei)(mei)區情況的(de)(de)調(diao)查。1958年(nian)秋至1967年(nian)底止,庫(ku)區共(gong)遷(qian)出群眾800戶,人口5000余(yu)人。1961~1967年(nian)共(gong)賠(pei)償了4次。據不完全統(tong)計(ji),共(gong)賠(pei)償經費(fei)(fei)7萬余(yu)元(yuan);但(dan)38米(mi)高(gao)程(cheng)以上至42米(mi)高(gao)程(cheng)的(de)(de)淹沒(mei)(mei)(mei)區尚未進行(xing)安置賠(pei)償。

工程效益

自(zi)水(shui)(shui)(shui)(shui)(shui)庫(ku)(ku)建成(cheng)(cheng)蓄(xu)水(shui)(shui)(shui)(shui)(shui)以(yi)(yi)后,最(zui)大(da)進庫(ku)(ku)流量大(da)于500立(li)(li)方米每秒(miao)以(yi)(yi)上(shang)的(de)計(ji)(ji)(ji)有6個豐水(shui)(shui)(shui)(shui)(shui)年(nian)(nian)(nian),以(yi)(yi)1987年(nian)(nian)(nian)1040立(li)(li)方米每秒(miao)為最(zui)大(da),水(shui)(shui)(shui)(shui)(shui)庫(ku)(ku)攔(lan)蓄(xu)削減(jian)洪峰達(da)75%。自(zi)1963年(nian)(nian)(nian)開始至1988年(nian)(nian)(nian),除1966至1968年(nian)(nian)(nian)無統計(ji)(ji)(ji)數(shu)字外(wai),23年(nian)(nian)(nian)水(shui)(shui)(shui)(shui)(shui)庫(ku)(ku)共(gong)提供灌溉用水(shui)(shui)(shui)(shui)(shui)量8.5億立(li)(li)方米,累計(ji)(ji)(ji)實(shi)灌面(mian)積206萬(wan)畝(mu)。近10年(nian)(nian)(nian)來(lai)平(ping)均(jun)每年(nian)(nian)(nian)實(shi)灌面(mian)積達(da)11萬(wan)畝(mu)。據統計(ji)(ji)(ji),1971年(nian)(nian)(nian)平(ping)均(jun)畝(mu)產(chan)(chan)稻谷163公(gong)斤,1985年(nian)(nian)(nian)提高到425公(gong)斤。水(shui)(shui)(shui)(shui)(shui)庫(ku)(ku)可養(yang)殖水(shui)(shui)(shui)(shui)(shui)面(mian)有1.3萬(wan)畝(mu)。1959年(nian)(nian)(nian)成(cheng)(cheng)立(li)(li)漁場,屬水(shui)(shui)(shui)(shui)(shui)產(chan)(chan)局領導,自(zi)主經營,每年(nian)(nian)(nian)只向水(shui)(shui)(shui)(shui)(shui)庫(ku)(ku)管理處(chu)交納水(shui)(shui)(shui)(shui)(shui)費,年(nian)(nian)(nian)約0.3萬(wan)元。建場以(yi)(yi)來(lai)漁場進行人工繁殖放養(yang),共(gong)捕撈(lao)成(cheng)(cheng)魚(yu)172萬(wan)公(gong)斤。水(shui)(shui)(shui)(shui)(shui)庫(ku)(ku)管理處(chu)1979年(nian)(nian)(nian)開始整修(xiu)9口養(yang)魚(yu)池,面(mian)積計(ji)(ji)(ji)57畝(mu),由職工家屬飼(si)養(yang),改善職工生(sheng)活后略有盈余。1987年(nian)(nian)(nian)2月,水(shui)(shui)(shui)(shui)(shui)庫(ku)(ku)建成(cheng)(cheng)一座裝機容量40千瓦的(de)發電站,投資2.5萬(wan)元,利用廢(fei)水(shui)(shui)(shui)(shui)(shui)發電。至1988年(nian)(nian)(nian)底,共(gong)發電15萬(wan)千瓦時,已收回全部投資。

庫區水系

沙(sha)河(he)(he)集(ji)水(shui)(shui)(shui)庫處在大(da)(da)沙(sha)河(he)(he)干(gan)流上,入庫及排泄水(shui)(shui)(shui)道都是(shi)大(da)(da)沙(sha)河(he)(he)。大(da)(da)沙(sha)河(he)(he)為清流河(he)(he)的上源。清流河(he)(he)亦稱烏(wu)衣河(he)(he),是(shi)長江(jiang)一級支(zhi)流滁(chu)(chu)河(he)(he)的左岸(an)支(zhi)流,大(da)(da)部分在滁(chu)(chu)州市(shi)境內。源出江(jiang)淮分水(shui)(shui)(shui)嶺東(dong)南麓(lu)諸山(shan),以大(da)(da)沙(sha)河(he)(he)(又名(ming)白茆河(he)(he))為上源,東(dong)南流,至(zhi)珠(zhu)龍(long)進入沙(sha)河(he)(he)集(ji)水(shui)(shui)(shui)庫區(qu),折東(dong)北于沙(sha)河(he)(he)鎮出庫,穿過津浦鐵路橋(qiao),左納盈福河(he)(he)、百道河(he)(he);以下為清流河(he)(he)本干(gan),續東(dong)南流,至(zhi)滁(chu)(chu)州市(shi)右(you)納城(cheng)西水(shui)(shui)(shui)庫來水(shui)(shui)(shui)(小(xiao)沙(sha)河(he)(he)),經烏(wu)衣鎮至(zhi)來安(an)縣(xian)毛(mao)家渡;以下沿皖、蘇邊界至(zhi)汊河(he)(he)集(ji)注(zhu)入滁(chu)(chu)河(he)(he),河(he)(he)道全(quan)長84公(gong)里(li)。流域面積(ji)1252平(ping)方公(gong)里(li),其中山(shan)區(qu)占69.0%,丘陵區(qu)占27.4%,圩區(qu)占3.6%。滁(chu)(chu)縣(xian)站歷(li)史(shi)最(zui)(zui)大(da)(da)流量為1040立(li)方米每秒(1969年(nian)(nian)7月(yue)12日(ri)(ri),歷(li)史(shi)最(zui)(zui)小(xiao)流量為零,河(he)(he)道斷流(1967年(nian)(nian)、1968年(nian)(nian)均連續幾個月(yue)河(he)(he)枯(ku));歷(li)史(shi)最(zui)(zui)高水(shui)(shui)(shui)位為15.53米(1983年(nian)(nian)7月(yue)23日(ri)(ri)),最(zui)(zui)低水(shui)(shui)(shui)位時(shi)河(he)(he)枯(ku)(1967年(nian)(nian)、1968年(nian)(nian)曾長期出現)

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