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国家重大水利项目西藏湘河大坝填筑至度汛目标高程
来源:成都院 作者:韩锐 谭波 时间:2021-06-04 字体:[ ]

日前(qian),国家重大水(shui)(shui)利项目西藏(zang)湘河水(shui)(shui)利枢纽工(gong)程大坝顺利填筑至度汛目标高程4080米,为2021年防(fang)洪度汛和下(xia)阶(jie)段工(gong)程的施工(gong)提(ti)供了(le)安(an)全保(bao)障。

湘(xiang)河工(gong)(gong)(gong)程(cheng)大(da)(da)坝(ba)(ba)(ba)为(wei)碾压沥(li)青心墙砂砾石坝(ba)(ba)(ba),大(da)(da)坝(ba)(ba)(ba)坝(ba)(ba)(ba)顶高程(cheng)4104.00米(mi),最大(da)(da)坝(ba)(ba)(ba)高51.0米(mi),坝(ba)(ba)(ba)顶长566.80米(mi)。中国电(dian)建成都院作(zuo)为(wei)枢(shu)纽工(gong)(gong)(gong)程(cheng)的(de)代建管(guan)(guan)理(li)方(fang),发挥70年建藏援藏经验,弘扬西藏精神,在填筑施(shi)(shi)(shi)工(gong)(gong)(gong)过程(cheng)中,根据工(gong)(gong)(gong)程(cheng)施(shi)(shi)(shi)工(gong)(gong)(gong)进(jin)度(du)计划安排(pai),结合(he)现场施(shi)(shi)(shi)工(gong)(gong)(gong)自(zi)然条件,克服了(le)大(da)(da)坝(ba)(ba)(ba)填筑强度(du)高、车流量(liang)大(da)(da)、料场开(kai)采困难,统筹规划、科(ke)学组织、合(he)理(li)施(shi)(shi)(shi)工(gong)(gong)(gong),积(ji)(ji)极(ji)推进(jin)质(zhi)量(liang)标(biao)准(zhun)(zhun)化建设、全面提(ti)升(sheng)安全标(biao)准(zhun)(zhun)化建设及科(ke)技(ji)创新,确保大(da)(da)坝(ba)(ba)(ba)填筑在高质(zhi)量(liang)、高安全标(biao)准(zhun)(zhun)下顺(shun)利进(jin)行。通过积(ji)(ji)极(ji)开(kai)展全方(fang)位监管(guan)(guan),充分调动全体参建人员的(de)积(ji)(ji)极(ji)性、主动性,确保了(le)大(da)(da)坝(ba)(ba)(ba)填筑施(shi)(shi)(shi)工(gong)(gong)(gong)按期完成。

截至(zhi)目前,大(da)坝共完成坝基明挖17.9万立(li)(li)方(fang)米(mi),反滤(lv)层、排水(shui)(shui)层及坝壳料填(tian)筑(zhu)(zhu)171.2万立(li)(li)方(fang)米(mi),沥(li)青混凝土(tu)摊铺7666立(li)(li)方(fang)米(mi),基座混凝土(tu)浇筑(zhu)(zhu)4718立(li)(li)方(fang)米(mi)。填(tian)筑(zhu)(zhu)至(zhi)度(du)汛高程后的(de)大(da)坝能抵御10年一(yi)遇的(de)洪水(shui)(shui)标准,满足设(she)计度(du)汛要(yao)求(qiu)。湘河(he)水(shui)(shui)利(li)枢纽及配套灌区(qu)工(gong)程建成后,对(dui)实(shi)现地区(qu)水(shui)(shui)资(zi)源优化配置,改(gai)(gai)善(shan)(shan)灌区(qu)农牧民生(sheng)(sheng)产、生(sheng)(sheng)活条件,提(ti)高农牧民收入,防(fang)治土(tu)地沙(sha)化和改(gai)(gai)善(shan)(shan)雅江中游黑颈鹤国(guo)家级自(zi)然保(bao)护(hu)区(qu)生(sheng)(sheng)态(tai)环境(jing),全(quan)(quan)力打造西藏生(sheng)(sheng)态(tai)安全(quan)(quan)屏障,保(bao)障国(guo)家生(sheng)(sheng)态(tai)安全(quan)(quan),具有(you)重要(yao)的(de)现实(shi)意(yi)义。

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