芒果视频

簡介

吉勒(le)(le)布拉克水電(dian)站工(gong)(gong)程位(wei)于(yu)阿(a)(a)勒(le)(le)泰地(di)區哈巴(ba)河(he)縣。距(ju)哈巴(ba)河(he)縣35km，距(ju)工(gong)(gong)程區右岸(an)以(yi)西下游(you)約(yue)6.5km處有阿(a)(a)舍勒(le)(le)銅礦至哈巴(ba)河(he)公路通(tong)過，已新建進場(chang)公路銜接至工(gong)(gong)程區，對外公路交通(tong)方(fang)便。

吉(ji)勒布(bu)拉克水(shui)(shui)電站(zhan)(zhan)是水(shui)(shui)利部綜(zong)合事業(ye)局水(shui)(shui)利援(yuan)疆項目之一，工(gong)(gong)程(cheng)總投資12.97億(yi)元，大(da)壩壩高(gao)146米,水(shui)(shui)庫總庫容2.32億(yi)立方米，由(you)攔河壩、泄洪渠、引水(shui)(shui)建筑物及地面廠(chang)房等主要建筑物組成(cheng)，電站(zhan)(zhan)裝機160兆瓦,年(nian)平均發電量(liang)4.95億(yi)千瓦·時。水(shui)(shui)電站(zhan)(zhan)的成(cheng)功截流，標志著吉(ji)勒布(bu)拉克水(shui)(shui)電站(zhan)(zhan)工(gong)(gong)程(cheng)進入主體工(gong)(gong)程(cheng)建設階(jie)段。

吉勒(le)布拉克水(shui)電(dian)(dian)(dian)站工(gong)程(cheng)正常蓄水(shui)位(wei)▽752.00m，總庫容2.32億(yi)m3， 調(diao)節庫容1.43億(yi)m3，死庫容0.729億(yi)m3，總裝機160MW，多(duo)年平均發(fa)電(dian)(dian)(dian)量4.95億(yi)kW·h，為大(da)（2）型Ⅱ等工(gong)程(cheng)，工(gong)程(cheng)主要任(ren)務是發(fa)電(dian)(dian)(dian)。工(gong)程(cheng)主要由混凝土面板堆(dui)石壩、深孔泄(xie)(xie)洪洞(dong)(dong)(dong)、溢洪洞(dong)(dong)(dong)、發(fa)電(dian)(dian)(dian)引水(shui)洞(dong)(dong)(dong)和(he)電(dian)(dian)(dian)站廠房等建(jian)筑物(wu)(wu)組(zu)成，其中(zhong)：大(da)壩為1級(ji)建(jian)筑物(wu)(wu)，深孔泄(xie)(xie)洪洞(dong)(dong)(dong)、表孔溢洪洞(dong)(dong)(dong)、發(fa)電(dian)(dian)(dian)洞(dong)(dong)(dong)進水(shui)塔為2級(ji)建(jian)筑物(wu)(wu)，發(fa)電(dian)(dian)(dian)洞(dong)(dong)(dong)、發(fa)電(dian)(dian)(dian)廠房為3級(ji)建(jian)筑物(wu)(wu)，臨時(shi)建(jian)筑物(wu)(wu)為4級(ji)。

1、引水建筑物

發電(dian)(dian)(dian)引(yin)(yin)(yin)水建筑物(wu)布置在左岸(an)，引(yin)(yin)(yin)水系(xi)統采用(yong)一洞(dong)四機聯合(he)供(gong)水的(de)布置型式，電(dian)(dian)(dian)站共四臺機組(zu)，設(she)計發電(dian)(dian)(dian)引(yin)(yin)(yin)水流量162.0m3/s。主(zhu)要由進水口(kou)建筑物(wu)、發電(dian)(dian)(dian)洞(dong)段(duan)(duan)(duan)及(ji)出(chu)口(kou)岔管(guan)(guan)(guan)、支(zhi)管(guan)(guan)(guan)段(duan)(duan)(duan)組(zu)成(cheng)。引(yin)(yin)(yin)水系(xi)統總長(chang)463.275m。進口(kou)引(yin)(yin)(yin)渠段(duan)(duan)(duan)長(chang)18.312m（發0-037.562-發0-019.250）底板(ban)高(gao)程(cheng)(cheng)(cheng)▽697.0m，斷(duan)面(mian)(mian)型式為梯形(xing)，底寬19.6m。進水口(kou)閘(zha)井采用(yong)岸(an)塔式結構，閘(zha)井由攔(lan)污(wu)柵段(duan)(duan)(duan)和事(shi)故(gu)門(men)(men)井段(duan)(duan)(duan)組(zu)成(cheng)，閘(zha)井底板(ban)高(gao)程(cheng)(cheng)(cheng)▽697.0m頂高(gao)程(cheng)(cheng)(cheng)為▽758.2m，內(nei)設(she)3孔(kong)(kong)攔(lan)污(wu)柵，3孔(kong)(kong)擋水門(men)(men)槽。1孔(kong)(kong)平(ping)板(ban)事(shi)故(gu)板(ban)，攔(lan)污(wu)柵孔(kong)(kong)口(kou)尺寸4.0m*12.5m，檔水門(men)(men)孔(kong)(kong)口(kou)尺寸為4.0m*11.5m,事(shi)故(gu)門(men)(men)孔(kong)(kong)口(kou)尺寸為8.0m*8.0m。上平(ping)洞(dong)段(duan)(duan)(duan)119.047m，圓形(xing)斷(duan)面(mian)(mian)，洞(dong)徑8m，縱坡7/100.鋼(gang)(gang)筋(jin)混(hun)凝(ning)土襯(chen)(chen)砌厚0.6m。斜井段(duan)(duan)(duan)長(chang)103.628m，斜角50o,下平(ping)洞(dong)段(duan)(duan)(duan)長(chang)199.227m，內(nei)徑6.2m，內(nei)襯(chen)(chen)Q345C鋼(gang)(gang)板(ban)，外部(bu)(bu)回填C20混(hun)凝(ning)土，混(hun)凝(ning)土襯(chen)(chen)砌厚0.6m。主(zhu)管(guan)(guan)(guan)出(chu)洞(dong)后(hou)采用(yong)月(yue)牙肋(lei)岔管(guan)(guan)(guan)分(fen)為四個支(zhi)管(guan)(guan)(guan)，主(zhu)管(guan)(guan)(guan)內(nei)徑6.2m，支(zhi)管(guan)(guan)(guan)內(nei)徑分(fen)別為4.4m、3.6m。岔管(guan)(guan)(guan)及(ji)支(zhi)管(guan)(guan)(guan)均(jun)采用(yong)C25鋼(gang)(gang)筋(jin)混(hun)凝(ning)土襯(chen)(chen)砌。出(chu)口(kou)岔管(guan)(guan)(guan)、支(zhi)管(guan)(guan)(guan)段(duan)(duan)(duan)外包混(hun)凝(ning)土，上部(bu)(bu)至發電(dian)(dian)(dian)機層高(gao)程(cheng)(cheng)(cheng)639.80m，均(jun)回填石碴。

2、廠房及開(kai)關(guan)站(zhan)

電站總(zong)裝(zhuang)機160MW，發電廠(chang)(chang)房(fang)為引水式地面(mian)廠(chang)(chang)房(fang)，廠(chang)(chang)區由(you)主(zhu)廠(chang)(chang)房(fang)、副(fu)廠(chang)(chang)房(fang)、升(sheng)壓站、尾水建筑物組(zu)成。副(fu)廠(chang)(chang)房(fang)布置于主(zhu)廠(chang)(chang)房(fang)上游側，戶內式開關站布置在副(fu)廠(chang)(chang)房(fang)內，電站尾水經整(zheng)治投入原河道。

工程地質概況

1、區(qu)域地(di)質和(he)地(di)震烈度

工程(cheng)區(qu)在大地構造單元上屬阿(a)勒(le)(le)泰褶(zhe)(zhe)皺(zhou)系(xi)(xi)(xi)和西(xi)南部準噶爾-北天山褶(zhe)(zhe)皺(zhou)系(xi)(xi)(xi)。阿(a)爾泰褶(zhe)(zhe)皺(zhou)系(xi)(xi)(xi)西(xi)段主要由喀(ka)納斯(si)～可可托(tuo)海背(bei)斜地槽褶(zhe)(zhe)皺(zhou)帶、克(ke)蘭(lan)向斜地槽褶(zhe)(zhe)皺(zhou)帶、額爾齊斯(si)擠壓(ya)帶組成。水(shui)庫(ku)壩區(qu)是區(qu)域地震活動較弱的(de)、相對穩定的(de)地塊(kuai)，根據(ju)2008年(nian)4月新疆防御(yu)自(zi)然(ran)災害研究所《新疆哈巴河吉勒(le)(le)布拉(la)克(ke)水(shui)電站工程(cheng)場(chang)(chang)地地震安全(quan)性評價報告》結論，場(chang)(chang)區(qu)50年(nian)超越概率10%的(de)動峰值加速(su)度為(wei)0.05g。對應的(de)地震基本(ben)烈度相當(dang)于Ⅵ度。

2、發電洞(dong)工程(cheng)地質狀況

發電洞(dong)：進口(kou)位于左(zuo)岸深孔泄洪洞(dong)內側，進口(kou)段(duan)(duan)邊(bian)坡大部(bu)分(fen)(fen)處(chu)于強(qiang)風(feng)化(hua)(hua)～弱風(feng)化(hua)(hua)巖(yan)體(ti)內，主要(yao)分(fen)(fen)布(bu)f98、f99斷層(ceng)(ceng)(ceng)(ceng)。建議清除(chu)表層(ceng)(ceng)(ceng)(ceng)不穩定巖(yan)塊，對(dui)洞(dong)臉(lian)邊(bian)坡進行(xing)噴錨(mao)(mao)處(chu)理，對(dui)閘(zha)基下f98斷層(ceng)(ceng)(ceng)(ceng)破碎帶固結灌漿(jiang)處(chu)理，對(dui)f99斷層(ceng)(ceng)(ceng)(ceng)通(tong)過閘(zha)前底板做混凝土換填(tian)處(chu)理。洞(dong)身上(shang)覆(fu)巖(yan)體(ti)厚(hou)度(du)40～98m，洞(dong)身處(chu)于微風(feng)化(hua)(hua)新鮮巖(yan)體(ti)內，大部(bu)分(fen)(fen)巖(yan)體(ti)完整(zheng)性(xing)較好，洞(dong)身段(duan)(duan)在0+030～0+178、0+203～0+379m處(chu)，為(wei)Ⅲ類(lei)圍巖(yan)，需(xu)噴錨(mao)(mao)支(zhi)護；在0+178～0+203、0+379～0+400m處(chu)，巖(yan)體(ti)完整(zheng)性(xing)差(cha)，為(wei)Ⅳ類(lei)圍巖(yan)，需(xu)噴錨(mao)(mao)掛網支(zhi)護，并澆筑混凝土襯砌。隧洞(dong)出口(kou)及電站(zhan)廠房段(duan)(duan)處(chu)于斜坡及Ⅱ級階地(di)(di)上(shang)，坡度(du)15°左(zuo)右(you)，在0+400～0+444m處(chu)表層(ceng)(ceng)(ceng)(ceng)覆(fu)蓋(gai)有坡殘(can)積碎石土，覆(fu)蓋(gai)層(ceng)(ceng)(ceng)(ceng)厚(hou)度(du)約3～6m，0+444～0+490m為(wei)Ⅱ級階地(di)(di)，表層(ceng)(ceng)(ceng)(ceng)分(fen)(fen)布(bu)0.8～1m的粉土，下部(bu)為(wei)砂卵礫石層(ceng)(ceng)(ceng)(ceng)，厚(hou)3～8m，下覆(fu)基巖(yan)為(wei)細粒斜長花(hua)崗巖(yan)，強(qiang)風(feng)化(hua)(hua)帶厚(hou)2～4m。

評價

發電廠(chang)房(fang)處(chu)于壩址下(xia)游左(zuo)岸的(de)Ⅱ級階地(di)(di)上(shang)，該(gai)區域地(di)(di)形較平緩(huan)開(kai)闊，上(shang)部覆(fu)(fu)蓋層(ceng)(ceng)為(wei)二元結構(gou)，表(biao)面0.8～1m厚(hou)為(wei)洪積粉(fen)土(tu)(tu)，粉(fen)土(tu)(tu)下(xia)為(wei)砂卵礫(li)石(shi)層(ceng)(ceng)，總厚(hou)度(du)(du)(du)約3～8m，結構(gou)密(mi)實，縱(zong)波速度(du)(du)(du)Vp=640～900m/s，但分(fen)布(bu)淘金(jin)洞，淘金(jin)坑，受人工擾動結構(gou)疏松(song)。覆(fu)(fu)蓋層(ceng)(ceng)下(xia)覆(fu)(fu)基(ji)(ji)巖(yan)(yan)(yan)，巖(yan)(yan)(yan)性為(wei)細粒斜長花崗(gang)巖(yan)(yan)(yan)，強風化帶厚(hou)2～4m，縱(zong)波速度(du)(du)(du)Vp≤2500m/s；弱(ruo)風化帶厚(hou)約10～11m，縱(zong)波速度(du)(du)(du)Vp=2500～4000m/s，巖(yan)(yan)(yan)體(ti)中(zhong)裂(lie)隙(xi)發育情況與岔管段相同，廠(chang)房(fang)基(ji)(ji)礎建基(ji)(ji)面高程620.30m，開(kai)挖(wa)(wa)深度(du)(du)(du)17～21m，其中(zhong)巖(yan)(yan)(yan)石(shi)內開(kai)挖(wa)(wa)深度(du)(du)(du)13～16m，建基(ji)(ji)面處(chu)于基(ji)(ji)巖(yan)(yan)(yan)弱(ruo)風化下(xia)線附近，未見影響基(ji)(ji)礎穩(wen)(wen)定的(de)斷層(ceng)(ceng)，建基(ji)(ji)面工程地(di)(di)質(zhi)條件(jian)較好(hao)。廠(chang)房(fang)開(kai)挖(wa)(wa)中(zhong)對局部裂(lie)隙(xi)切割影響穩(wen)(wen)定的(de)巖(yan)(yan)(yan)塊，需(xu)布(bu)置錨桿(gan)加固。在覆(fu)(fu)蓋層(ceng)(ceng)與基(ji)(ji)巖(yan)(yan)(yan)面設一(yi)(yi)層(ceng)(ceng)馬道(dao)，土(tu)(tu)方開(kai)挖(wa)(wa)邊(bian)坡為(wei)1：1.5，巖(yan)(yan)(yan)石(shi)開(kai)挖(wa)(wa)邊(bian)坡為(wei)1:0.5，巖(yan)(yan)(yan)體(ti)邊(bian)坡開(kai)挖(wa)(wa)深度(du)(du)(du)每10m處(chu)設一(yi)(yi)層(ceng)(ceng)馬道(dao)，馬道(dao)寬2m，土(tu)(tu)方臨時開(kai)挖(wa)(wa)邊(bian)坡為(wei)1：1，巖(yan)(yan)(yan)石(shi)臨時開(kai)挖(wa)(wa)邊(bian)坡為(wei)1:0.3。

由中國葛洲壩集團承(cheng)建的(de)發(fa)電廠房與引水(shui)洞(dong)的(de)土(tu)建部(bu)分與2013年(nian)7月基本結(jie)束(shu)。