水庫特征
沙(sha)(sha)河集(ji)水(shui)(shui)(shui)(shui)(shui)(shui)庫(ku)(ku)(ku)(ku)(ku),位于安徽省(sheng)滁州市沙(sha)(sha)河鎮西側1公里,大(da)壩(ba)橫跨滁河支流(liu)清(qing)流(liu)河上游大(da)沙(sha)(sha)河,下距津浦鐵(tie)路(lu)1公里,是以(yi)灌(guan)溉為(wei)主兼有(you)防洪(hong)(hong)、水(shui)(shui)(shui)(shui)(shui)(shui)產養(yang)殖等綜合效益的(de)大(da)型水(shui)(shui)(shui)(shui)(shui)(shui)庫(ku)(ku)(ku)(ku)(ku)。水(shui)(shui)(shui)(shui)(shui)(shui)庫(ku)(ku)(ku)(ku)(ku)以(yi)上流(liu)域面積300平(ping)方(fang)(fang)公里,占清(qing)流(liu)河面積的(de)四(si)分之一。沙(sha)(sha)河集(ji)水(shui)(shui)(shui)(shui)(shui)(shui)庫(ku)(ku)(ku)(ku)(ku)多年(nian)(nian)平(ping)均(jun)降水(shui)(shui)(shui)(shui)(shui)(shui)量(liang)為(wei)976毫米(mi)(mi),多年(nian)(nian)平(ping)均(jun)來水(shui)(shui)(shui)(shui)(shui)(shui)量(liang)0.78億(yi)(yi)立(li)方(fang)(fang)米(mi)(mi)。水(shui)(shui)(shui)(shui)(shui)(shui)庫(ku)(ku)(ku)(ku)(ku)防洪(hong)(hong)標準按千(qian)年(nian)(nian)洪(hong)(hong)水(shui)(shui)(shui)(shui)(shui)(shui)設(she)計,可(ke)能最(zui)大(da)降水(shui)(shui)(shui)(shui)(shui)(shui)校(xiao)核(he),大(da)壩(ba)設(she)計抗(kang)震烈(lie)度為(wei)7度。水(shui)(shui)(shui)(shui)(shui)(shui)庫(ku)(ku)(ku)(ku)(ku)死水(shui)(shui)(shui)(shui)(shui)(shui)位31.6米(mi)(mi),相(xiang)應庫(ku)(ku)(ku)(ku)(ku)容0.21億(yi)(yi)立(li)方(fang)(fang)米(mi)(mi);興(xing)利水(shui)(shui)(shui)(shui)(shui)(shui)位40.5米(mi)(mi),相(xiang)應庫(ku)(ku)(ku)(ku)(ku)容1.03億(yi)(yi)立(li)方(fang)(fang)米(mi)(mi);校(xiao)核(he)洪(hong)(hong)水(shui)(shui)(shui)(shui)(shui)(shui)位44.12米(mi)(mi),總庫(ku)(ku)(ku)(ku)(ku)容2.11億(yi)(yi)立(li)方(fang)(fang)米(mi)(mi)。壩(ba)頂(ding)高(gao)程44.4米(mi)(mi),最(zui)大(da)壩(ba)高(gao)27.4米(mi)(mi),為(wei)均(jun)質土(tu)壩(ba),防浪墻(qiang)頂(ding)高(gao)程45.6米(mi)(mi)。水(shui)(shui)(shui)(shui)(shui)(shui)庫(ku)(ku)(ku)(ku)(ku)有(you)灌(guan)溉放水(shui)(shui)(shui)(shui)(shui)(shui)涵洞3座(zuo),溢洪(hong)(hong)道(dao)和非(fei)(fei)常溢洪(hong)(hong)道(dao)各(ge)1座(zuo)。溢洪(hong)(hong)道(dao)進口處建(jian)閘(zha)控制,最(zui)大(da)泄洪(hong)(hong)流(liu)量(liang)1680立(li)方(fang)(fang)米(mi)(mi)每(mei)秒,非(fei)(fei)常溢洪(hong)(hong)道(dao)最(zui)大(da)泄洪(hong)(hong)流(liu)量(liang)3085立(li)方(fang)(fang)米(mi)(mi)每(mei)秒。
建設維護
水庫(ku)于1958年9月開工興建(jian)(jian),1962年9月基(ji)本建(jian)(jian)成,1973年續建(jian)(jian)加固,至1979年底(di)完成加固工程。至1988年底(di)止,水庫(ku)工程共(gong)完成投資811.8萬元,土(tu)、石方挖(wa)填(包括混凝土(tu))337.9萬立(li)方米。
攔河大壩
大(da)壩(ba)(ba)(ba)是按(an)(an)1958年簡易規(gui)劃(hua)設(she)計(ji)(ji)所定(ding)斷(duan)面(mian)(mian)施工(gong)(gong)(gong)(gong)(gong)(gong)的(de)。壩(ba)(ba)(ba)頂高(gao)(gao)(gao)程(cheng)(cheng)45米(mi)(mi)(mi)(mi),頂寬5米(mi)(mi)(mi)(mi)。上(shang)游(you)坡(po)(po)37.5米(mi)(mi)(mi)(mi)高(gao)(gao)(gao)程(cheng)(cheng)以(yi)(yi)(yi)(yi)上(shang)為(wei)1:2.5,以(yi)(yi)(yi)(yi)下(xia)為(wei)1:3;37.5米(mi)(mi)(mi)(mi)和29.5米(mi)(mi)(mi)(mi)高(gao)(gao)(gao)程(cheng)(cheng)處設(she)1.5米(mi)(mi)(mi)(mi)寬平臺(tai)。下(xia)游(you)坡(po)(po)在37.5米(mi)(mi)(mi)(mi)高(gao)(gao)(gao)程(cheng)(cheng)以(yi)(yi)(yi)(yi)上(shang)為(wei)1:2,以(yi)(yi)(yi)(yi)下(xia)為(wei)1:2.5,壩(ba)(ba)(ba)后(hou)渠底高(gao)(gao)(gao)程(cheng)(cheng)30.0~29.5米(mi)(mi)(mi)(mi);河槽段(duan)壩(ba)(ba)(ba)基設(she)粘土(tu)(tu)(tu)(tu)(tu)(tu)截(jie)水(shui)(shui)槽以(yi)(yi)(yi)(yi)防滲,上(shang)游(you)設(she)100米(mi)(mi)(mi)(mi)長(chang)、1~1.5米(mi)(mi)(mi)(mi)厚的(de)粘土(tu)(tu)(tu)(tu)(tu)(tu)鋪(pu)蓋。大(da)壩(ba)(ba)(ba)于(yu)1958年9月開工(gong)(gong)(gong)(gong)(gong)(gong),在工(gong)(gong)(gong)(gong)(gong)(gong)地成(cheng)立工(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)指(zhi)(zhi)揮部(bu)。土(tu)(tu)(tu)(tu)(tu)(tu)方挖填(tian)(tian)(tian)(tian)(tian)(tian)(tian)由民工(gong)(gong)(gong)(gong)(gong)(gong)承(cheng)擔,先由常備(bei)民工(gong)(gong)(gong)(gong)(gong)(gong)填(tian)(tian)(tian)(tian)(tian)(tian)(tian)筑(zhu)(zhu)施工(gong)(gong)(gong)(gong)(gong)(gong)圍堰,開挖導(dao)流(liu)溝截(jie)水(shui)(shui)槽和清理壩(ba)(ba)(ba)基。粘土(tu)(tu)(tu)(tu)(tu)(tu)鋪(pu)蓋未按(an)(an)設(she)計(ji)(ji)要(yao)求施工(gong)(gong)(gong)(gong)(gong)(gong),從(cong)壩(ba)(ba)(ba)腳(jiao)開始(shi)(shi)漸向(xiang)上(shang)游(you)推進(jin)長(chang)50~60米(mi)(mi)(mi)(mi),厚1米(mi)(mi)(mi)(mi)以(yi)(yi)(yi)(yi)上(shang),未加(jia)(jia)(jia)碾(nian)(nian)(nian)壓。截(jie)水(shui)(shui)槽按(an)(an)設(she)計(ji)(ji)斷(duan)面(mian)(mian)開挖到基巖面(mian)(mian)后(hou),清掃(sao)干凈,取(qu)選定(ding)料區(qu)的(de)粘性壤土(tu)(tu)(tu)(tu)(tu)(tu)回填(tian)(tian)(tian)(tian)(tian)(tian)(tian),分層夯實(shi)(shi),填(tian)(tian)(tian)(tian)(tian)(tian)(tian)筑(zhu)(zhu)至高(gao)(gao)(gao)出原地面(mian)(mian)為(wei)止。10月份,組織近(jin)百名民工(gong)(gong)(gong)(gong)(gong)(gong)開始(shi)(shi)在河槽及(ji)灘地段(duan)按(an)(an)設(she)計(ji)(ji)斷(duan)面(mian)(mian)填(tian)(tian)(tian)(tian)(tian)(tian)(tian)筑(zhu)(zhu)壩(ba)(ba)(ba)體。人工(gong)(gong)(gong)(gong)(gong)(gong)運(yun)土(tu)(tu)(tu)(tu)(tu)(tu),分層夯實(shi)(shi),能達到設(she)計(ji)(ji)要(yao)求,于(yu)1959年春(chun)(chun)節前填(tian)(tian)(tian)(tian)(tian)(tian)(tian)筑(zhu)(zhu)到24~25米(mi)(mi)(mi)(mi)高(gao)(gao)(gao)程(cheng)(cheng)。春(chun)(chun)節后(hou),指(zhi)(zhi)揮部(bu)為(wei)求大(da)壩(ba)(ba)(ba)及(ji)早合龍(long)蓄水(shui)(shui),全壩(ba)(ba)(ba)按(an)(an)小(xiao)斷(duan)面(mian)(mian)填(tian)(tian)(tian)(tian)(tian)(tian)(tian)筑(zhu)(zhu)到34~34.5米(mi)(mi)(mi)(mi)高(gao)(gao)(gao)程(cheng)(cheng),頂寬1米(mi)(mi)(mi)(mi);上(shang)游(you)壩(ba)(ba)(ba)坡(po)(po)按(an)(an)設(she)計(ji)(ji)標準做(zuo)足,下(xia)游(you)壩(ba)(ba)(ba)后(hou)期求快,采用的(de)土(tu)(tu)(tu)(tu)(tu)(tu)料含(han)砂很重(zhong),增(zeng)加(jia)(jia)(jia)分層厚度(du)(du),碾(nian)(nian)(nian)壓不(bu)認(ren)真,質量(liang)(liang)很差(cha)。導(dao)流(liu)溝合龍(long)時適遇大(da)雨,就近(jin)取(qu)夾(jia)有(you)風化石的(de)土(tu)(tu)(tu)(tu)(tu)(tu)料上(shang)壩(ba)(ba)(ba),填(tian)(tian)(tian)(tian)(tian)(tian)(tian)筑(zhu)(zhu)厚度(du)(du)1~2.5米(mi)(mi)(mi)(mi),未加(jia)(jia)(jia)碾(nian)(nian)(nian)壓,為(wei)大(da)壩(ba)(ba)(ba)留(liu)下(xia)隱患(huan)。是年5月填(tian)(tian)(tian)(tian)(tian)(tian)(tian)筑(zhu)(zhu)至規(gui)定(ding)高(gao)(gao)(gao)程(cheng)(cheng)后(hou),民工(gong)(gong)(gong)(gong)(gong)(gong)回鄉(xiang)春(chun)(chun)耕,工(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)暫(zan)停。10月繼續(xu)施工(gong)(gong)(gong)(gong)(gong)(gong),仍是小(xiao)斷(duan)面(mian)(mian)加(jia)(jia)(jia)高(gao)(gao)(gao)至38~39米(mi)(mi)(mi)(mi)高(gao)(gao)(gao)程(cheng)(cheng),頂寬1米(mi)(mi)(mi)(mi)。上(shang)游(you)壩(ba)(ba)(ba)坡(po)(po)按(an)(an)設(she)計(ji)(ji)坡(po)(po)度(du)(du)上(shang)升,下(xia)游(you)壩(ba)(ba)(ba)坡(po)(po)28~29米(mi)(mi)(mi)(mi)高(gao)(gao)(gao)程(cheng)(cheng)以(yi)(yi)(yi)(yi)下(xia)河槽段(duan)用砂礫填(tian)(tian)(tian)(tian)(tian)(tian)(tian)筑(zhu)(zhu),坡(po)(po)度(du)(du)1:5,在29米(mi)(mi)(mi)(mi)高(gao)(gao)(gao)程(cheng)(cheng)留(liu)10米(mi)(mi)(mi)(mi)寬平臺(tai);平臺(tai)以(yi)(yi)(yi)(yi)上(shang)用壤土(tu)(tu)(tu)(tu)(tu)(tu)填(tian)(tian)(tian)(tian)(tian)(tian)(tian)筑(zhu)(zhu),坡(po)(po)度(du)(du)1:1.5~1:2。初期施工(gong)(gong)(gong)(gong)(gong)(gong)質量(liang)(liang)尚可,后(hou)期差(cha),河槽段(duan)筑(zhu)(zhu)壩(ba)(ba)(ba)土(tu)(tu)(tu)(tu)(tu)(tu)料土(tu)(tu)(tu)(tu)(tu)(tu)質極不(bu)均勻(yun),部(bu)分壤土(tu)(tu)(tu)(tu)(tu)(tu)含(han)砂性很重(zhong),并摻有(you)草根等雜(za)物,碾(nian)(nian)(nian)壓不(bu)實(shi)(shi),各施工(gong)(gong)(gong)(gong)(gong)(gong)隊間形(xing)成(cheng)界溝。至1960年5月大(da)壩(ba)(ba)(ba)填(tian)(tian)(tian)(tian)(tian)(tian)(tian)筑(zhu)(zhu)到38米(mi)(mi)(mi)(mi)高(gao)(gao)(gao)程(cheng)(cheng)工(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)(cheng)暫(zan)停。
1961年3月(yue)至6月(yue),由安徽省水(shui)利工程總(zong)隊管教六支隊施工,按渡汛設(she)計將(jiang)大壩(ba)加高(gao)至高(gao)程40米(mi)(mi)(mi),頂(ding)寬3米(mi)(mi)(mi)。1962年春,管教六支隊按修正設(she)計繼續施工,至9月(yue)壩(ba)頂(ding)填筑(zhu)到設(she)計高(gao)程41.5米(mi)(mi)(mi),并用漿砌(qi)塊石砌(qi)筑(zhu)防浪(lang)墻,頂(ding)高(gao)42.5米(mi)(mi)(mi),頂(ding)寬0.3~0.4米(mi)(mi)(mi)。是年按修正設(she)計筑(zhu)排(pai)水(shui)體(ti)2處,一(yi)(yi)在壩(ba)后渠內側(ce)設(she)貼坡反濾,一(yi)(yi)在下游壩(ba)坡上設(she)排(pai)水(shui)體(ti)。
1973年(nian)(nian),為加固大壩(ba)(ba)成(cheng)立沙河(he)集(ji)水(shui)庫(ku)工程(cheng)領導小組。是(shi)年(nian)(nian)9月開工,大壩(ba)(ba)頂(ding)高(gao)程(cheng)加到44.4米,頂(ding)寬4.6米,1974年(nian)(nian)5月完成(cheng)。工程(cheng)質量除(chu)(chu)各民工營之(zhi)間的結合部不夠密實(shi)外,其他(ta)部分基本符合設(she)計(ji)要求(qiu)。在(zai)(zai)土壩(ba)(ba)加高(gao)培(pei)厚時,原(yuan)有反濾不拆(chai)除(chu)(chu),在(zai)(zai)原(yuan)壩(ba)(ba)后渠底(di)及抗(kang)震平(ping)臺(tai)下每隔10米設(she)橫向(xiang)砂溝(gou),將排水(shui)體的水(shui)排出壩(ba)(ba)體。在(zai)(zai)32.5米及37.0米高(gao)程(cheng)下游壩(ba)(ba)坡平(ping)臺(tai)上,各設(she)一道(dao)縱向(xiang)排水(shui)明(ming)(ming)溝(gou),再由橫向(xiang)明(ming)(ming)溝(gou)排到壩(ba)(ba)下。
1978~1979年(nian),填筑(zhu)了10米寬的抗震平臺。1978年(nian)4月至1979年(nian),完成了粘土井(jing)柱防滲心(xin)墻。1980年(nian)下半年(nian),按加固設計完成第二道防浪(lang)墻,墻頂高程45.4米,斷面與1962年(nian)建成的第一(yi)(yi)道防浪(lang)墻相同,墻體(ti)每隔(ge)15米留一(yi)(yi)沉(chen)陷縫。
放水涵洞
放(fang)水(shui)(shui)涵(han)(han)洞(dong)共(gong)有3個,即(ji)老(lao)涵(han)(han)、南(nan)涵(han)(han)和(he)小北(bei)(bei)涵(han)(han)。老(lao)涵(han)(han)在(zai)(zai)(zai)(zai)(zai)(zai)壩(ba)的(de)北(bei)(bei)端(duan),經壩(ba)后渠(qu)輸水(shui)(shui)。原設(she)計(ji)中放(fang)水(shui)(shui)涵(han)(han)洞(dong)設(she)在(zai)(zai)(zai)(zai)(zai)(zai)南(nan)壩(ba)頭(tou)與(yu)小孤(gu)山(shan)結合處(chu)(chu)巖基(ji)上(shang),因(yin)河道(dao)深槽緊靠山(shan)腳,山(shan)坡(po)較陡,石(shi)方開(kai)挖(wa)(wa)量大,工期(qi)較長,經研(yan)究改(gai)建(jian)(jian)在(zai)(zai)(zai)(zai)(zai)(zai)壩(ba)的(de)北(bei)(bei)端(duan)。該涵(han)(han)為漿(jiang)砌(qi)塊石(shi)結構,總長59米(mi)(mi)(mi),進(jin)(jin)(jin)口(kou)涵(han)(han)底(di)(di)高(gao)(gao)(gao)程(cheng)30米(mi)(mi)(mi),洞(dong)身為馬蹄形,孔(kong)(kong)(kong)寬(kuan)2米(mi)(mi)(mi),拱座(zuo)高(gao)(gao)(gao)1.423米(mi)(mi)(mi);設(she)計(ji)引水(shui)(shui)流量12立方米(mi)(mi)(mi)每(mei)秒。豎(shu)井(jing)(jing)設(she)在(zai)(zai)(zai)(zai)(zai)(zai)上(shang)游壩(ba)肩(jian)處(chu)(chu),設(she)主(zhu)、副(fu)鋼筋混(hun)(hun)凝(ning)(ning)土(tu)(tu)(tu)(tu)平(ping)板(ban)(ban)(ban)(ban)(ban)門(men),各用(yong)(yong)2臺10噸螺桿啟(qi)(qi)閉機聯動(dong)啟(qi)(qi)閉。1958年(nian)開(kai)工,1959年(nian)建(jian)(jian)成(cheng)。在(zai)(zai)(zai)(zai)(zai)(zai)續建(jian)(jian)加(jia)固時,老(lao)涵(han)(han)不(bu)再輸水(shui)(shui)灌(guan)溉,留作在(zai)(zai)(zai)(zai)(zai)(zai)特(te)殊情(qing)況時輔助泄洪(hong)(hong)和(he)放(fang)空庫(ku)水(shui)(shui)及建(jian)(jian)小型水(shui)(shui)力發電站(zhan)用(yong)(yong)。南(nan)涵(han)(han)位(wei)于大壩(ba)南(nan)端(duan),為鋼筋混(hun)(hun)凝(ning)(ning)土(tu)(tu)(tu)(tu)底(di)(di)板(ban)(ban)(ban)(ban)(ban)和(he)蓋板(ban)(ban)(ban)(ban)(ban)、漿(jiang)砌(qi)塊石(shi)夾(jia)混(hun)(hun)凝(ning)(ning)土(tu)(tu)(tu)(tu)邊墻的(de)混(hun)(hun)合結構。洞(dong)身為矩(ju)形斷面,寬(kuan)2.5米(mi)(mi)(mi),高(gao)(gao)(gao)3.3米(mi)(mi)(mi),底(di)(di)板(ban)(ban)(ban)(ban)(ban)進(jin)(jin)(jin)口(kou)高(gao)(gao)(gao)程(cheng)29.1米(mi)(mi)(mi);設(she)計(ji)引水(shui)(shui)流量14.3立方米(mi)(mi)(mi)每(mei)秒,閘門(men)和(he)啟(qi)(qi)閉機情(qing)況同(tong)老(lao)涵(han)(han)。1973年(nian)9月(yue)開(kai)工興建(jian)(jian)南(nan)涵(han)(han),先(xian)筑上(shang)游圍(wei)堰(yan),再切開(kai)大壩(ba)。時值嚴冬,施工條件差,挖(wa)(wa)到底(di)(di)部(bu)時滲(shen)(shen)水(shui)(shui)嚴重,邊坡(po)常坍塌,用(yong)(yong)杉木條、毛竹支(zhi)撐。待挖(wa)(wa)至設(she)計(ji)高(gao)(gao)(gao)程(cheng)時,立即(ji)澆筑混(hun)(hun)凝(ning)(ning)土(tu)(tu)(tu)(tu)底(di)(di)板(ban)(ban)(ban)(ban)(ban)。在(zai)(zai)(zai)(zai)(zai)(zai)施工進(jin)(jin)(jin)口(kou)擋土(tu)(tu)(tu)(tu)墻時,滲(shen)(shen)水(shui)(shui)難(nan)以排盡,研(yan)究采取人工挖(wa)(wa)孔(kong)(kong)(kong)澆筑混(hun)(hun)凝(ning)(ning)土(tu)(tu)(tu)(tu)井(jing)(jing)柱,高(gao)(gao)(gao)出水(shui)(shui)面后在(zai)(zai)(zai)(zai)(zai)(zai)上(shang)面澆筑鋼筋混(hun)(hun)凝(ning)(ning)土(tu)(tu)(tu)(tu)蓋板(ban)(ban)(ban)(ban)(ban),再用(yong)(yong)漿(jiang)砌(qi)塊石(shi)砌(qi)筑至設(she)計(ji)高(gao)(gao)(gao)程(cheng),從而(er)保證(zheng)了工程(cheng)進(jin)(jin)(jin)度(du)。1974年(nian)4月(yue)工程(cheng)建(jian)(jian)成(cheng)。由(you)于涵(han)(han)洞(dong)位(wei)于壩(ba)體填筑夾(jia)石(shi)土(tu)(tu)(tu)(tu)層部(bu)位(wei),結合不(bu)好,兩側邊墻砌(qi)筑不(bu)密實,夾(jia)層混(hun)(hun)凝(ning)(ning)土(tu)(tu)(tu)(tu)有蜂(feng)窩,洞(dong)身滲(shen)(shen)漏嚴重,在(zai)(zai)(zai)(zai)(zai)(zai)加(jia)固工程(cheng)中進(jin)(jin)(jin)行灌(guan)漿(jiang)堵漏。加(jia)固工程(cheng)于1978年(nian)施工,共(gong)鉆(zhan)孔(kong)(kong)(kong)150孔(kong)(kong)(kong),灌(guan)注水(shui)(shui)泥漿(jiang)和(he)粘土(tu)(tu)(tu)(tu)摻水(shui)(shui)泥混(hun)(hun)合漿(jiang),共(gong)用(yong)(yong)去水(shui)(shui)泥60噸,干土(tu)(tu)(tu)(tu)32噸。北(bei)(bei)涵(han)(han)位(wei)于大壩(ba)北(bei)(bei)端(duan),系鋼筋混(hun)(hun)凝(ning)(ning)土(tu)(tu)(tu)(tu)圓(yuan)(yuan)涵(han)(han),直徑0.6米(mi)(mi)(mi),洞(dong)身埋設(she)在(zai)(zai)(zai)(zai)(zai)(zai)溢洪(hong)(hong)道(dao)泄洪(hong)(hong)閘的(de)翼墻內;進(jin)(jin)(jin)口(kou)處(chu)(chu)設(she)鋼筋混(hun)(hun)凝(ning)(ning)土(tu)(tu)(tu)(tu)圓(yuan)(yuan)筒門(men),系單孔(kong)(kong)(kong),與(yu)泄洪(hong)(hong)閘同(tong)時興建(jian)(jian),1977年(nian)建(jian)(jian)成(cheng)。
泄洪工程
溢洪(hong)道(dao)(dao):1958年設(she)計文件中,溢洪(hong)道(dao)(dao)位于大(da)(da)壩(ba)(ba)北(bei)端與山許(xu)河(he)相(xiang)距較近(jin)的山洼處(chu)(chu)(chu)。挖(wa)開山崗通山許(xu)河(he),因土石(shi)方量(liang)大(da)(da),未(wei)采用(yong)。1961年3月,為(wei)(wei)保水(shui)(shui)庫(ku)安全(quan),在(zai)大(da)(da)壩(ba)(ba)北(bei)端不遠處(chu)(chu)(chu)開挖(wa)了(le)臨時(shi)溢洪(hong)道(dao)(dao)。進(jin)口(kou)底(di)(di)(di)高(gao)(gao)程(cheng)34.5米(mi)(mi),底(di)(di)(di)寬(kuan)69米(mi)(mi),中間(jian)有5米(mi)(mi)寬(kuan)、2米(mi)(mi)深的深槽,下接老河(he)道(dao)(dao);至8月上旬開通,10月挖(wa)通引河(he),工(gong)程(cheng)由省管(guan)教六支隊施工(gong)。1966年,為(wei)(wei)蓄(xu)水(shui)(shui)在(zai)溢洪(hong)道(dao)(dao)泄洪(hong)閘(zha)位置處(chu)(chu)(chu)建滾水(shui)(shui)壩(ba)(ba),壩(ba)(ba)頂(ding)高(gao)(gao)程(cheng)37米(mi)(mi),長74.7米(mi)(mi),中間(jian)偏左有兩個深孔(kong),凈寬(kuan)3米(mi)(mi),底(di)(di)(di)高(gao)(gao)程(cheng)32.8米(mi)(mi),設(she)插板門(men)控制(zhi),于1967年汛前(qian)完成。1974年在(zai)溢洪(hong)道(dao)(dao)進(jin)口(kou)處(chu)(chu)(chu)拆除滾水(shui)(shui)壩(ba)(ba),建4孔(kong)40米(mi)(mi)寬(kuan)的泄洪(hong)閘(zha)1座,閘(zha)底(di)(di)(di)板高(gao)(gao)34.5米(mi)(mi),1977年7月完工(gong)。
非常溢(yi)洪(hong)道(dao):緊(jin)靠泄洪(hong)閘(zha)左(zuo)岸(an),總寬200米(mi),兩邊淺槽(cao)高程39.5米(mi),中間100米(mi)深槽(cao)底(di)(di)高程37.5米(mi)。1977年(nian)年(nian)底(di)(di)開挖,1978年(nian)底(di)(di)完成(cheng)。表層土方(fang)由(you)民工挖運(yun),石方(fang)由(you)指揮部組織專業隊爆破,民工負責清渣。自潰壩因(yin)壩體設計未(wei)定而未(wei)填(tian)筑。
除險加固
由于當初土壩(ba)(ba)施(shi)工質量差(cha),致(zhi)使壩(ba)(ba)身、壩(ba)(ba)基存在(zai)滲(shen)漏隱患和壩(ba)(ba)坡塌(ta)陷(xian)、壩(ba)(ba)頂(ding)開裂(lie)等險(xian)情,被確定為“三類壩(ba)(ba)”。1998年(nian),長(chang)江水(shui)利委員會對《沙河集(ji)水(shui)庫除(chu)險(xian)加固工程(cheng)可行性研(yan)究報告》進行了審查。安徽省計(ji)委核定樞紐(niu)加固工程(cheng)總(zong)投(tou)資4195.42萬元,主(zhu)要建設內容包括大壩(ba)(ba)灌(guan)漿防滲(shen)、溢(yi)洪(hong)道及放(fang)水(shui)涵洞(dong)加固等。2001年(nian)5月開工建設,2002年(nian)12月竣(jun)工驗收(shou)。
管理運用
1962年(nian)(nian)成(cheng)立沙河集水(shui)庫管(guan)(guan)理所(suo),1981年(nian)(nian)升格為管(guan)(guan)理處(chu)。1980年(nian)(nian)以(yi)前,管(guan)(guan)理工(gong)作(zuo)著(zhu)重在(zai)工(gong)程管(guan)(guan)理方(fang)面(mian),以(yi)做(zuo)好調度運用(yong)和(he)工(gong)程的養護維修為主(zhu),并抽出人員(yuan)兼管(guan)(guan)施工(gong)。1981年(nian)(nian)后,按照水(shui)利部提出的“確保工(gong)程安全,充(chong)分發揮效益,積極開展多(duo)種經營(ying)”開展了經營(ying)管(guan)(guan)理工(gong)作(zuo)。
樞紐管理
1963~1972年(nian),大壩(ba)(ba)雖(sui)已按設計標準(zhun)建成(cheng),但尚有(you)(you)(you)零星(xing)尾工(gong)。由于(yu)施工(gong)質量較(jiao)差,壩(ba)(ba)后(hou)滲水(shui)嚴重,忙于(yu)進行補救處(chu)(chu)理(li),管(guan)(guan)理(li)工(gong)作較(jiao)粗。1973年(nian)開始(shi)進行加高培厚,至(zhi)1982年(nian),粘土井(jing)柱心墻的事故井(jing)處(chu)(chu)理(li)完(wan)畢,才有(you)(you)(you)條件加強管(guan)(guan)理(li)工(gong)作。嗣后(hou),大壩(ba)(ba)建立了(le)專管(guan)(guan)小組,劃段負責,責任(ren)到人,建立每月(yue)(yue)檢查評比制度,堅(jian)持執行年(nian)終總評,獎(jiang)優罰(fa)劣(lie)。1986年(nian)用(yong)漿砌塊(kuai)石(shi)護砌下游壩(ba)(ba)肩。1987年(nian)7月(yue)(yue),因雨水(shui)較(jiao)多,大壩(ba)(ba)背水(shui)坡出現(xian)(xian)(xian)淺(qian)層滑坡3處(chu)(chu),經(jing)開挖(wa)檢查,裂縫深20~30厘米并無發(fa)(fa)展,即回(hui)填夯實。1982年(nian)經(jing)滁州市白蟻防(fang)治研究(jiu)所檢查,大壩(ba)(ba)右端小弧山(shan)坡和壩(ba)(ba)腳下竹園發(fa)(fa)現(xian)(xian)(xian)有(you)(you)(you)白蟻活動跡象,在壩(ba)(ba)下防(fang)洪堤發(fa)(fa)現(xian)(xian)(xian)有(you)(you)(you)土樓白蟻。是年(nian)5月(yue)(yue)采用(yong)燈(deng)光、毒餌誘(you)殺,1983年(nian)設置(zhi)誘(you)蟻樁(zhuang)等進行綜合防(fang)治,效(xiao)果較(jiao)好(hao)。
泄(xie)洪(hong)閘(zha)(zha)、放水(shui)涵洞(dong)均指定專(zhuan)人管理(li),每年(nian)汛(xun)期前后各進行(xing)一(yi)次檢查(cha),并維修養護以(yi)確保設備完好,運(yun)轉(zhuan)靈(ling)活,并做(zuo)好運(yun)行(xing)記錄。除正常工作外,1986年(nian)小北涵的圓筒式閘(zha)(zha)門因漏(lou)水(shui)改造為鑄鐵閘(zha)(zha)門,并更換啟(qi)閉(bi)機(ji)。1987年(nian)裝置了(le)泄(xie)洪(hong)閘(zha)(zha)檢修插板門。是年(nian)冬,在(zai)非常溢洪(hong)道處建一(yi)座小土堰,堰頂(ding)高程39.8米,頂(ding)寬2米;又(you)對泄(xie)洪(hong)閘(zha)(zha)下(xia)游泄(xie)洪(hong)渠道的防洪(hong)導(dao)流堤進行(xing)護砌。
水工觀測
1962年曾在(zai)大(da)壩(ba)(ba)處埋(mai)設測(ce)壓(ya)管(guan)(guan)(guan)(guan)28根,用(yong)于河(he)槽段及壩(ba)(ba)身(shen)浸(jin)潤觀測(ce),因管(guan)(guan)(guan)(guan)理不(bu)善(shan)(shan)(shan),到(dao)1968年能(neng)進(jin)行(xing)觀測(ce)的(de)(de)僅存(cun)10根。由(you)于觀測(ce)資料(liao)不(bu)全(quan),也(ye)未進(jin)行(xing)整編,隨著大(da)壩(ba)(ba)續(xu)建(jian)加(jia)高,所有(you)(you)測(ce)壓(ya)管(guan)(guan)(guan)(guan)均(jun)被埋(mai)沒。1982年、1983年先后(hou)安裝測(ce)壓(ya)管(guan)(guan)(guan)(guan)49根。其中內壩(ba)(ba)基揚壓(ya)力管(guan)(guan)(guan)(guan)4根,繞滲(shen)(shen)管(guan)(guan)(guan)(guan)5根,壩(ba)(ba)身(shen)浸(jin)潤線管(guan)(guan)(guan)(guan)40根。在(zai)49根測(ce)壓(ya)管(guan)(guan)(guan)(guan)中,淤(yu)積的(de)(de)有(you)(you)15根,死(si)水管(guan)(guan)(guan)(guan)或靈敏度(du)很差(cha)的(de)(de)4根,受降(jiang)雨影(ying)響的(de)(de)16根。測(ce)壓(ya)管(guan)(guan)(guan)(guan)觀測(ce)工作由(you)專人(ren)負責,按規(gui)范要求(qiu)(qiu)進(jin)行(xing),汛期5天(tian)、平時10天(tian)觀測(ce)一次(ci),年終進(jin)行(xing)整編。根據已有(you)(you)觀測(ce)資料(liao)分析,證明(ming)粘土(tu)(tu)井樁(zhuang)心墻達到(dao)防滲(shen)(shen)設計要求(qiu)(qiu),起到(dao)心墻的(de)(de)防滲(shen)(shen)作用(yong)。壩(ba)(ba)基揚壓(ya)力比(bi)較穩定,繞壩(ba)(ba)滲(shen)(shen)漏(lou)(lou)和壩(ba)(ba)基滲(shen)(shen)漏(lou)(lou)經粘土(tu)(tu)灌漿、涵洞水泥灌漿、粘土(tu)(tu)井柱心墻加(jia)固后(hou),上游抗滲(shen)(shen)能(neng)力加(jia)強,下游排滲(shen)(shen)條(tiao)件改善(shan)(shan)(shan),繞壩(ba)(ba)滲(shen)(shen)漏(lou)(lou)和壩(ba)(ba)基滲(shen)(shen)漏(lou)(lou)有(you)(you)明(ming)顯改善(shan)(shan)(shan)。
水文測報
水(shui)文(wen)測(ce)報工作由(you)水(shui)庫水(shui)文(wen)站負責進行,屬(shu)滁縣地區(qu)水(shui)文(wen)分站領導,自1962年(nian)起有觀測(ce)資(zi)料。庫址處用人工觀測(ce)水(shui)位(wei)、雨量(liang),用流(liu)速(su)儀施測(ce)南涵灌(guan)溉流(liu)量(liang)和(he)泄洪閘泄洪流(liu)量(liang)。在(zai)庫區(qu)內有曲亭等5處雨量(liang)站,均為(wei)委托站,汛期向省(sheng)(sheng)防汛指揮(hui)部(bu)、國家(jia)防汛總指揮(hui)部(bu)及有關(guan)省(sheng)(sheng)、縣(市),報送水(shui)庫水(shui)位(wei)、流(liu)量(liang)及雨量(liang)資(zi)料。
控制運用
自1970~1985年(nian)(nian)(nian),各年(nian)(nian)(nian)的(de)汛期(qi)(qi)限制水(shui)(shui)位(wei)定(ding)(ding)為(wei)(wei)(wei)(wei)36.0米(mi)(mi)(mi)(mi)。1986年(nian)(nian)(nian)為(wei)(wei)(wei)(wei)37.0米(mi)(mi)(mi)(mi),1987年(nian)(nian)(nian)起汛后蓄水(shui)(shui)位(wei)為(wei)(wei)(wei)(wei)37.5米(mi)(mi)(mi)(mi),汛期(qi)(qi)仍為(wei)(wei)(wei)(wei)37.0米(mi)(mi)(mi)(mi)。當水(shui)(shui)位(wei)超(chao)過汛期(qi)(qi)限制水(shui)(shui)位(wei)時,泄洪(hong)閘(zha)等根據預定(ding)(ding)計劃(hua)控制泄洪(hong)。自1970~1988年(nian)(nian)(nian),實(shi)際的(de)年(nian)(nian)(nian)最高(gao)水(shui)(shui)位(wei)僅(jin)有(you)兩年(nian)(nian)(nian)低(di)于(yu)36米(mi)(mi)(mi)(mi),其他各年(nian)(nian)(nian)均在36米(mi)(mi)(mi)(mi)以(yi)上(shang)。以(yi)1987年(nian)(nian)(nian)為(wei)(wei)(wei)(wei)最高(gao),達38.4米(mi)(mi)(mi)(mi)。是年(nian)(nian)(nian)入庫最大流量為(wei)(wei)(wei)(wei)1040立方米(mi)(mi)(mi)(mi)每秒,下泄流量為(wei)(wei)(wei)(wei)263立方米(mi)(mi)(mi)(mi)每秒。
遷移賠償
1958年(nian)水(shui)庫(ku)工程開工以前,沒有進行過(guo)庫(ku)區淹(yan)(yan)沒情況(kuang)的調查;但在編制水(shui)庫(ku)技術設計(ji)(ji)草稿中,曾提到20年(nian)一遇洪水(shui)位(wei)41.15米(mi)時,受淹(yan)(yan)面(mian)積(ji)16平(ping)方公里(li)。50年(nian)一遇洪水(shui)位(wei)41.65米(mi)時,受淹(yan)(yan)面(mian)積(ji)20.3平(ping)方公里(li),淹(yan)(yan)沒農田1.7萬畝,估算遷賠經費2萬元。自1963~1988年(nian)止,共(gong)(gong)作過(guo)4~5次(ci)淹(yan)(yan)沒區情況(kuang)的調查。1958年(nian)秋至1967年(nian)底止,庫(ku)區共(gong)(gong)遷出群(qun)眾800戶,人口(kou)5000余人。1961~1967年(nian)共(gong)(gong)賠償(chang)了4次(ci)。據(ju)不完全統計(ji)(ji),共(gong)(gong)賠償(chang)經費7萬余元;但38米(mi)高程以上至42米(mi)高程的淹(yan)(yan)沒區尚未進行安置賠償(chang)。
工程效益
自(zi)水(shui)(shui)庫(ku)建(jian)成(cheng)蓄水(shui)(shui)以后,最(zui)大(da)進庫(ku)流量(liang)大(da)于500立(li)方米(mi)每秒以上(shang)的計有6個豐(feng)水(shui)(shui)年(nian)(nian),以1987年(nian)(nian)1040立(li)方米(mi)每秒為最(zui)大(da),水(shui)(shui)庫(ku)攔蓄削減洪峰達75%。自(zi)1963年(nian)(nian)開始至(zhi)1988年(nian)(nian),除1966至(zhi)1968年(nian)(nian)無統計數字外(wai),23年(nian)(nian)水(shui)(shui)庫(ku)共(gong)(gong)提供灌溉用水(shui)(shui)量(liang)8.5億(yi)立(li)方米(mi),累計實灌面積206萬(wan)(wan)(wan)畝(mu)。近(jin)10年(nian)(nian)來平均(jun)每年(nian)(nian)實灌面積達11萬(wan)(wan)(wan)畝(mu)。據統計,1971年(nian)(nian)平均(jun)畝(mu)產(chan)稻谷163公(gong)(gong)斤,1985年(nian)(nian)提高(gao)到425公(gong)(gong)斤。水(shui)(shui)庫(ku)可養(yang)殖(zhi)水(shui)(shui)面有1.3萬(wan)(wan)(wan)畝(mu)。1959年(nian)(nian)成(cheng)立(li)漁場(chang),屬水(shui)(shui)產(chan)局領導,自(zi)主經營,每年(nian)(nian)只(zhi)向水(shui)(shui)庫(ku)管(guan)理處交納水(shui)(shui)費,年(nian)(nian)約0.3萬(wan)(wan)(wan)元。建(jian)場(chang)以來漁場(chang)進行人工(gong)(gong)繁殖(zhi)放養(yang),共(gong)(gong)捕撈成(cheng)魚172萬(wan)(wan)(wan)公(gong)(gong)斤。水(shui)(shui)庫(ku)管(guan)理處1979年(nian)(nian)開始整修9口養(yang)魚池(chi),面積計57畝(mu),由(you)職(zhi)工(gong)(gong)家屬飼(si)養(yang),改善職(zhi)工(gong)(gong)生(sheng)活后略有盈余。1987年(nian)(nian)2月(yue),水(shui)(shui)庫(ku)建(jian)成(cheng)一座裝機容量(liang)40千瓦的發(fa)電站,投資2.5萬(wan)(wan)(wan)元,利用廢水(shui)(shui)發(fa)電。至(zhi)1988年(nian)(nian)底,共(gong)(gong)發(fa)電15萬(wan)(wan)(wan)千瓦時,已(yi)收回全部(bu)投資。
庫區水系
沙(sha)河(he)(he)(he)(he)(he)(he)(he)(he)集(ji)水庫(ku)處在(zai)大(da)沙(sha)河(he)(he)(he)(he)(he)(he)(he)(he)干流(liu)上(shang),入庫(ku)及排泄水道(dao)都(dou)是大(da)沙(sha)河(he)(he)(he)(he)(he)(he)(he)(he)。大(da)沙(sha)河(he)(he)(he)(he)(he)(he)(he)(he)為(wei)(wei)清流(liu)河(he)(he)(he)(he)(he)(he)(he)(he)的(de)上(shang)源。清流(liu)河(he)(he)(he)(he)(he)(he)(he)(he)亦稱烏衣河(he)(he)(he)(he)(he)(he)(he)(he),是長江一級支(zhi)流(liu)滁河(he)(he)(he)(he)(he)(he)(he)(he)的(de)左(zuo)岸(an)支(zhi)流(liu),大(da)部分在(zai)滁州市境內(nei)。源出(chu)(chu)江淮分水嶺東南麓諸(zhu)山,以(yi)(yi)大(da)沙(sha)河(he)(he)(he)(he)(he)(he)(he)(he)(又(you)名白(bai)茆河(he)(he)(he)(he)(he)(he)(he)(he))為(wei)(wei)上(shang)源,東南流(liu),至珠(zhu)龍進入沙(sha)河(he)(he)(he)(he)(he)(he)(he)(he)集(ji)水庫(ku)區,折東北于沙(sha)河(he)(he)(he)(he)(he)(he)(he)(he)鎮出(chu)(chu)庫(ku),穿過津(jin)浦鐵路橋,左(zuo)納盈福河(he)(he)(he)(he)(he)(he)(he)(he)、百道(dao)河(he)(he)(he)(he)(he)(he)(he)(he);以(yi)(yi)下(xia)為(wei)(wei)清流(liu)河(he)(he)(he)(he)(he)(he)(he)(he)本干,續(xu)東南流(liu),至滁州市右納城(cheng)西水庫(ku)來水(小沙(sha)河(he)(he)(he)(he)(he)(he)(he)(he)),經(jing)烏衣鎮至來安縣(xian)(xian)毛(mao)家渡(du);以(yi)(yi)下(xia)沿皖、蘇邊界至汊河(he)(he)(he)(he)(he)(he)(he)(he)集(ji)注入滁河(he)(he)(he)(he)(he)(he)(he)(he),河(he)(he)(he)(he)(he)(he)(he)(he)道(dao)全(quan)長84公(gong)(gong)里。流(liu)域面積1252平方(fang)公(gong)(gong)里,其中山區占(zhan)69.0%,丘陵(ling)區占(zhan)27.4%,圩(wei)區占(zhan)3.6%。滁縣(xian)(xian)站(zhan)歷(li)史最(zui)(zui)大(da)流(liu)量為(wei)(wei)1040立(li)方(fang)米每秒(miao)(1969年(nian)7月12日,歷(li)史最(zui)(zui)小流(liu)量為(wei)(wei)零,河(he)(he)(he)(he)(he)(he)(he)(he)道(dao)斷流(liu)(1967年(nian)、1968年(nian)均(jun)連續(xu)幾個月河(he)(he)(he)(he)(he)(he)(he)(he)枯);歷(li)史最(zui)(zui)高水位為(wei)(wei)15.53米(1983年(nian)7月23日),最(zui)(zui)低(di)水位時河(he)(he)(he)(he)(he)(he)(he)(he)枯(1967年(nian)、1968年(nian)曾(ceng)長期出(chu)(chu)現)