星云棋牌官网下载

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                                    学术堂专业论文学习平台您当前的位置:学术堂 > 水利论文 > 水利施工论文

                                    万家口子水电站工程施工主要技术探析

                                    时间:2019-03-21 来源:红水河 作者:卢山 本文字数:5736字

                                      摘    要: 根据万家口子水电站工程实际情况,针对工程施工中出现的几大主要技术问题:高坝边坡开挖、高拱坝高性能碾压混凝土技术的研究与应用、引水洞混凝土快速优质施工技术、导流洞渗漏水封堵技术等,叙述了广西水电工程局在工程施工中的应对措施及关键技术的应用成功经验。

                                      关键词: 万家口子水电站; 工程施工; 关键技术;

                                      Abstract: According to the actual situation of Wanjiakouzi Hydropower Station project,aiming at several major technical problems in the project construction:high dam slope excavation technology,research and application of high-performance roller compacted concrete technology for high arch dam,rapid and high-quality construction technology for diversion tunnel concrete,leakage sealing technology for diversion tunnel,etc.,this paper describes the successful experience of Guangxi Hydroelectric Construction Bureau in the application of key technologies and countermeasures in the construction of the project.

                                      Keyword:星云棋牌官网下载 Wanjiakouzi Hydropower Station; engineering construction; key technology;

                                      1 、工程概述

                                      WANJIAKOUZISHUIDIANZHANGONGCHENGBAZHIWEIYUBEIPANJIANGZHILIUGEXIANGHESHANG,DILIWEIZHIWEIYUYUNNANSHENGXUANWEISHIJIGUIZHOUSHENGLIUPANSHUISHIJINGNEI,WEILIANGSHENGJIAOHUIDIJIE,SHIBEIPANJIANGSHANGYOUDELONGTOUDIANZHAN,SHUIKUJUYOUBUWANQUANNIANDIAOJIENENGLI。SHUIKUZHENGCHANGXUSHUIWEI1 450 m,DABABADINGGAOCHENG1 452.5 m,DIANZHANDABAWEIBOBIXINGNIANYAHUNNINGTUSHUANGQUGONGBA,BAGAO167.5 m,ZUIXIAOHOUDU9 m,ZUIDAHOUDU36 m,WEIDANGQIANSHIJIESHANGZUIGAONIANYAHUNNINGTUSHUANGQUGONGBA,SHUIKUZONGKURONG2.793×108m3,DIANZHANZHUANGJIRONGLIANGWEI180 MW(2TAI),DUONIANPINGJUNFADIANLIANG7.1YIkW?h[1]。

                                    星云棋牌官网下载   WANJIAKOUZISHUIDIANZHANZHUTIGONGCHENGWEI1GEBIAO,SHASHIJIAGONGXITONGSHENGCHANYUNXINGGUANLIWEI1GEBIAOHEJIDIANANZHUANGWEI1GEBIAO,QUANBUYOUGUANGXISHUIDIANGONGCHENGJUCHENGJIAN,ZHUYAOGONGCHENGLIANG:TUSHIFANGKAIWA243.5WANm3、HUNNINGTU130WANm3、GANGJINZHIAN13 694 t、WEIMUGUANJIANG15.2WANm、GUJIEGUANJIANG13.8WANm、JINSHUJIEGOUANZHUANG3 521 t。2007NIAN11YUE25RIZHUTIGONGCHENGKAIGONG,2018NIAN8YUE2TAIJIQUANBUBINGWANGFADIAN。

                                      2 、施工关键技术研究与应用

                                      ZAISHIGONGGUOCHENGZHONG,CUNZAIZHEGONGCHENGLIANGDA,GONGQIJIN,SHIGONGQIANGDUGAO,PENGDAOJIAODUODEKUNNAN,RUZHENGDIWENTIYINGXIANG、YANRONGDIQULOUSHUI、SHIGONGTIAOJIANGAIBIANYUZHONGDASHEJIBIANGENGDENG,ZHENGGEGONGCHENGDESHIGONGJINDUSHOUDAOLEJIAODADEYINGXIANG。ZAICANJIANGEFANGDEGONGTONGNULIXIA,CAIQUXIANJINDESHIGONGJISHU、HELIDEZIYUANPEIZHIHEJIAQIANGXIANCHANGZUZHIGUANLI,ZUIZHONGSHIXIANLEANQIFADIANDEMUBIAO。

                                      2.1 、高拱坝边坡土石方开挖技术

                                      万家口子水电站拦河大坝基础地质地形条件复杂,坝址两岸位置处于典型的V形高山峡谷之中,交通困难,拱坝基础开挖高差大(最大开挖边坡高度约239 m),工程量大(总约96万m3),能否按时完成拱坝基础开挖将直接影响整个工程的顺利实施。为确保完成既定目标,主要采取以下技术措施。
                                     

                                    万家口子水电站工程施工主要技术探析
                                     

                                    星云棋牌官网下载   YOUHUASHIGONGCHENGXU,XUANYONGXIANJINDEZUANBAO、WAZHUANG、YUNSHUSHEBEI。JIANYUBENGONGCHENGCHANGDIXIAO,ZUANKONGSHEBEIZHUYAOCAIYONGYEYALVDAIZUAN、CM351GAOFENGYAQIANKONGZUANHEROC742HCYEYAZUAN;WAJUESHEBEIYICAOZUOLINGHUO,SHIYINGFANWEIGUANGDEDAXINGYEYAFANCHANWEIZHU;YUNSHUSHEBEIZHUYAOCAIYONG20 tZIXIEQICHE,15 tZIXIEQICHEWEIFU。ZAISHIGONGGUOCHENGZHONG,TEBIEZHUYIKAIWAGECENGCIDEGUIHUAHEJIXIESHEBEIBUZHI,GAOXIAOFAHUIJIXIEHUASHIGONGXIAONENG,HELIDEFENQUFENCENGKAIWA;CAIQUWEICHAQIBAOJISHU,YOUHUABAOPOSHEJI,YOUXIAOKONGZHIDANXIANGBAOPOYAOLIANGHEQIBAOSHUNXU[2],JIANXIAOBAOPOZHENDONGDUIBIANPOYANTIDEPOHUAICHENGDU。BIANPOKAIWACAIQUYULIEBAOPO,QUEBAOTIXINGHECHAOQIANWAZHIBIAOKONGZHIMANZUJISHUYAOQIU。

                                    星云棋牌官网下载   TONGGUODUIKAIWASHIGONGHELIBUZHI,XIANGXIGUIHUAHAOKAIWAQUYUYUCENGHOU,XUANZEXIANJINDEZUANBAO、WAZHUANG、YUNSHUSHEBEI,CAIYONGDUOZHONGXIANJINKEKAODESHIFANGBAOPOJISHU,JIAOHAODIWANCHENGLEGONGBAJICHUDEKAIWASHIGONG,SHIGONGZHILIANGMANZUSHEJIHEGUIFANYAOQIU。

                                      2.2、 高拱坝高性能碾压混凝土技术的研究与应用

                                    星云棋牌官网下载   WANJIAKOUZISHIGONGPEIHEBIYOUHUAFANGAN:DABAHUNNINGTUSHIYONGZHONGRESHUINI,JIANSHAOSHUIHUARE;JINGLUNZHENGSHIXIANFENMEIHUICHANLIANGDA70%YISHANG,CHAOGUOGUIFANGUIDINGFENMEIHUICHANLIANGBUDAYU65%DESHANGXIAN;SHIYONGGAOXINGNENGJUSUOSUANJIANSHUIJI,JIANSHUILVDA30%YISHANG;CAIYONGGAOCHANSHIFENDENGJISHU,CHANFENLIANGDA18%±2%。PEIZHISHIYINGDABAXUYAODEGAOXINGNENGNIANYAHUNNINGTU,SHINIANYAHUNNINGTUJIAONINGCAILIAOGENGSHENG(JIEYUE10~15 kg/m3),HEYIXINGGENGHAO(NIANJUXING、KANGFENLIXING、BAOSHUIXINGHAO),DIVCZHI(CHUJIKOU1~5 s),BAOSUXINGNENGXIANZHEGAISHAN(VCZHI2 hBAOCHILVDAYU75%),HUANNINGSHIJIANGENGZHANG(CHUNINGSHIJIAN10~20 h),HANQILIANG3%~4%,LIXUEXINGNENGHENAIJIUXINGGAISHAN,CHENGBENJIANGDI。JINGGUOXUSHUIKAOYAN,DABAANQUANWENDING,NIANYAHUNNINGTUBATIWUSHENLOUSHUIXIANXIANG,DABAHUNNINGTUNEISHIWAIGUANG,ZHILIANGLIANGHAO。

                                      2.3、 人工砂石系统的升级改造技术

                                    星云棋牌官网下载   WANJIAKOUZISHUIDIANZHANGONGCHENGHUNNINGTUGULIAOCAIYONGRENGONGSHASHILIAO,SHASHIJIAGONGXITONGBUZHIYUYOUANBAJIANSHANGFANG,JUBAZHIYUE300 m,XITONGZHANDIMIANJIYUE8WANm2,DIMIANGAOCHENG1 455mZHI1 545 m。GAIXITONGFUDANZHUTIHELINJIANGONGCHENGHUNNINGTUSHASHILIAODEGONGYING。GENJUSHIGONGZONGJINDUJIHUA,GONGCHENGHUNNINGTUGAOFENGSHIDUANJIAOZHUQIANGDU9.24WANm3/YUE。XITONGCHENGPINGULIAOSHENGCHANNENGLI654 t/h,QIZHONGCHENGPINSHASHENGCHANNENGLIWEI230 t/h,XITONGZONGHECHULINENGLI800 t/h。

                                      JINGGUOSHIYUNXINGJIDIAOSHI,FAXIANXITONGRENGCUNZAIYIXIAWENTI:

                                    星云棋牌官网下载   1)ZHENGCHANGSHENGCHANQINGKUANGXIA(BUJIANGDIBANGMOJICHANLIANG)NIANYASHAHANFENLVWUFADADAOHETONGYAOQIU(18%±2%)。

                                      2)SANSHAIFENLOUGANSHISHENGCHANQINGKUANGXIA,LIZHOUPOSUIJIZHINENGKAI1TAI,ZHISHACHANLIANGWUFADADAOSHEJIYAOQIU,ERSANSHAIFENLOUSHISHISHENGCHANSHISHIFENLIUSHIYANZHONG,QIEWUFAWEILEIMENGMOFENJITIGONG5~20 mmDEZHIFENYUANLIAO。

                                      3)CHENGPINLIAOCANGKURONGZAIHUNNINGTUJIAOZHUGAOFENGQIJIAOZHUQIANGDUWEI9.6WANm3/YUESHI,SHATUOSHUISHIJIANBUNENGMANZUYAOQIU,JISHADEHANSHUILVBUNENGMANZUXIAOYU6%DEYAOQIU。

                                      ZHENDUISHANGSHUCUNZAIDEWENTI,CAIQUDECUOSHIRUXIA。

                                      1)SHACHANLIANGBUZUWENTI:JINGFANGANDUIBI,ZENGJIA1TAIMBZ2136XINGBANGMOJI,TONGSHIKEDIAOJIESHADEXIDUMOSHU,1TAIBANGMOJIKEZENGJIAZHISHACHANLIANGYUE40 t。

                                    星云棋牌官网下载   2)HANFENBUZUWENTI:CAIYONGMTM160ZHONGSUTXINGMOFENJI(ZAITINGZIKOUSHUILISHUNIUSHASHIJIAGONGXITONGZHONGCAIYONGGUO),SHENGCHANNENGLI13~22 t/h,LIJINGXIAOYU0.16 mmDEHANLIANGZHAN90%YISHANG,XIDUKEDIAO。CAIYONG1TAIMBZ2136XINGBANGMOJIHE1TAIMTM160ZHONGSUTXINGMOFENJIDEFANGAN。WEILENENGSHISHIFENJUNYUNDITIANJIADAOCHENGPINSHAZHONG,ZAIMOFENJICHULIAOCHUSHE1GEXUFENGUAN,CAIYONGLUOXUANJIJUNYUNDISONGDAO29HAOJIAODAIJI。ZENGJIASHEBEIHOUXITONGZHISHADEGONGKUANGYUJIRUXIA:ERSHAICHANSHAYUE60 t,1TAILIZHOUPOSUIJICHANSHAYUE50 t,3TAIBANGMOJICHANSHAYUE120 t,MOFENJICHANFENYUE15~20 t,HEJIYUE250 t,DADAOCHANLIANGJIZHILIANGDEYAOQIU,BINGQIECHANLIANGJISHIFENJUNYOUYIDINGDEFUYULIANG。

                                      3)SHATUOSHUISHIJIANBUNENGMANZUCAIQUDECUOSHI:(1)ZHISHADIAOJIELIAOCANG13HAOJIAODAIJITOUZENGJIA1TAIYK1830TUOSHUISHAI,BIANYULIZHOUPOSUIJIJINXINGGANSHISHENGCHAN,CAIYONGLIZHOUPOSUIJIJINXINGGANSHISHENGCHANZHUYAOSHIWEILEFENCHU5~20 mmDEGANLIAOJIZHONGSUTXINGMOFENJIJILEIMENGMOFENJI;(2)CAIYONGYUMBZ2136XINGBANGMOJIPEITAOSHIYONGDEF-12XINGLUOXUANFENJIJI;(3)CAIYONGFENLIAOJINRUBANGMOJIYUQIUMOJIDEB650JIAODAIJI。

                                    星云棋牌官网下载   GAIZAOHOU,NIANYAHUNNINGTUZUIJIAHANFENLVDADAO18%±2%,HANSHUILVXIAOYU6%,SHENGCHANNENGLIMANZUYAOQIU。

                                      2.4 、高山峡谷地区高坝混凝土运输技术

                                      MUQIANGUONEINIANYAHUNNINGTUYUNSHURUCANGFANGSHIZHUYAOYOUQICHEYUNSHU、SHENCAOGAOSUPIDAIJI+TADAIJI、FUYALIUCAO、MANGUANDENG。CAIYONGSHENCAOGAOSUPIDAIJI+TADAIJIFANGANCHENGBENGAOANG;CAIYONGFUYALIUCAOFANGAN,YINGAOCHADA,HUNNINGTULIAOLIUSUDA,LIUCAOMOSUNDA,GULIAOYIFENLI,YINCIGAILIANGFANGANZAIWANJIAKOUZIXIANGMUBUYICAIYONG。ZHENDUIBENGONGCHENGDABAGAODUDA、ANPODOUQIAO、BANHEXITONGBUZHIGAO、YUNSHUQIANGDUDADENGTEDIAN,BUTONGGAOCHENGBUWEIFENBIECAIYONGZIXIEQICHEZHIJIERUCANG、ZIXIEQICHE+MANGUANYUNSHUYIJICAIYONGMENJILIANGANBUZHIQUDAILANJIDIAOYUNSHEBEI、CAILIAODENGJINCHUCANGMIAN。YOUYUCHUIZHIYUNSONGGAOCHACHAOGUO100 m,GAOCHADA、GULIAOYIFENLI、YIDUGUANDENGSHIZHONGDAJISHUNANTI。MANGUAN“CHUANLIAN”、MANGUANZHONGBUSHEKONGZHIZHAFA,DIAOZHENGMANGUANZHOUXIANQINGJIAO,YIBAOZHENGZAISHUSONGGAOCHADADEQINGKUANGXIANIANYAHUNNINGTUDEZHILIANGJIBAOZHENGDADAOHUNNINGTULIAOBUFEIJIAN、BUDUSAI、BUFENLIDEYAOQIU[3]。ZHENDUIXIANCHANGQINGKUANG,YOUHUASHIGONGBUZHI,CHENGGONGJIEJUELEGAOSHANXIAGUDIQUGAOBAHUNNINGTUYUNSHUWENTI,BAOZHENGGONGCHENGZHILIANG,QUDEJIAOHAODEJINGJIXIAOYI。

                                      2.5、 双向曲率可调连续翻升模板在碾压混凝土双曲拱坝上的研发与应用

                                      JIEJIANGUONEINIANYAHUNNINGTUGONGBACHENGGONGCAIYONGSHUANGXIANGQULVKEDIAOLIANXUFANSHENGQUANXUANBEIMOBANDEJINGYAN,YANFASHIYINGWANJIAKOUZISHUIDIANZHANSHUANGQUGONGBATEDIANDESHUANGXIANGQULVKEDIAOLIANXUFANSHENGQUANXUANBEIMOBAN,QIZHUYAOTEDIANWEI:ANZHUANGLIANGCENGMOBAN,XIACENGMOBANSHISHANGCENGMOBANDEQUANXUANBEISHOULIZHICHENGTI,SHANGXIACENGMOBANLIANXUJIAOTIFANSHENG,ZUOYOU、SHANGXIASHUANGXIANGQULVKEDIAO,SHIYINGQULVBIANHUAPINFENGBANDEBIAOZHUNHUAZHIZUO。CIMOBANDEYINGYONGWEIBATIDEKUAISUSHIGONGCHUANGZAOLETIAOJIAN,SHINIANYAHUNNINGTUJIAOZHUMANZULE“QUANDUANMIAN、LIANXUSHANGSHENG、KUAISUSHIGONG”DENGYAOQIU。WANJIAKOUZISHUIDIANZHANGONGBAZUIGAOYUEJIAOZHUSHANGSHENGGAODUWEI12 m,MANZULEDABAKUAISUYOUZHISHIGONGDEYAOQIU。

                                      2.6 、碾压混凝土温控技术

                                    星云棋牌官网下载   CONGQIANQIWANJIAKOUZISHUIDIANZHANGAOXINGNENGNIANYAHUNNINGTUJISHUYANJIUHEYINGYONGCHENGGUOKEZHI,CAIYONGXIANDAICESHIJISHUYANJIUCHAOGAOXINGNENGJUSUOSUANJIANSHUIJIDUIJIAONINGCAILIAOSHUIHUAFANGRELISHITEZHENGSHIFAXIAN,CAIYONGGAOXINGNENGJUSUOSUANJIANSHUIJIBICAIYONGNAIXIGAOXIAOJIANSHUIJIPEIZHIDENIANYAHUNNINGTUZAOQISHUIHUARESHIFANGMINGXIANHUANMAN,ZAOQIJUEREWENSHENGMINGXIANJIAODI;CHUANTONGNIANYAHUNNINGTUWENKONGJISUANFANGANXUSHE1ZUOGULIAOFENGLENGXITONG,TONGGUOCAIYONGGAOXINGNENGJUSUOSUANJIANSHUIJIPEIZHIDEGAOXINGNENGNIANYAHUNNINGTUNEIBUWENDUSHICE,ZAIGAOWENJIJIEBUXUYAOGULIAOFENGLENG,JINJINXUYAOMAIGUANTONGSHUILENGQUEJIKEMANZUSHEJIWENKONGYAOQIU;JIANYUGAOXINGNENGJIANSHUIJIJIAOGAODEJIANSHUILVDENGTEXING,WOMENYANZHILEGENGGAOXINGNENGDEJUSUOSUANJIANSHUIJI,NIANYAHUNNINGTUJIAONINGCAILIAOJINYIBUJIANGDI,FENMEIHUICHANLIANGDA70%YISHANG,TONGGUOSHINEISHIYANHEWEIGUANJILIFENXIDECHU,HUNNINGTUGEXIANGWULILIXUEHENAIJIUXINGNENGJISHIGONGXINGNENGDENGZHIBIAOJUNNENGMANZUSHEJIYAOQIU。YINSHUINISHUIHUAREDIERFENGZHIDETUIHOU、SHUINIZAOQISHUIHUAREJIAODI,TONGSHIYINJIANGDISHUINIYONGLIANGHETIGAOFENMEIHUICHANLIANG,NIANYAHUNNINGTUJUEREWENSHENGJINYIBUJIANGDI,CONGERCONGYUANTOUSHANGJIANGDIHUNNINGTUJUEREWENSHENG,JIANHUAWENKONGCUOSHI,DADAO“FUDICHOUXIN”DEXIAOGUO,YOUXIAOJIEJUECHUANTONGNIANYAHUNNINGTUWENKONGDEJISHUNANTI。CHANSHENGDEZHIJIEXIAOYI:JIESHENGGULIAOFENGLENGXITONGSHEBEIJIJIANSHEFEIYONGYUE1 000WANYUAN,JIESHENGFENGLENGXITONGYUNXINGFEIYONGYUE1 500WANYUAN,ZONGJIEYUEFEIYONGYUE2 500WANYUAN。

                                      2.7、 引水洞快速优质衬砌施工技术

                                    星云棋牌官网下载   WANJIAKOUZISHUIDIANZHANYINSHUIXITONGBUZHIZAIYOUANSHANTINEI,YOUJINSHUIKOU、YINSHUISUIDONGJIYALIGUANDAOZUCHENG,CAIYONGYIDONGSHUANGJIDEBUZHIFANGSHI,YOUSHANGPINGDUAN、SHUIPINGZHUANWANDUAN、SHANGWANDUAN、XIEJINGDUAN、XIAWANDUANHEXIAPINGDUANDENGBUFENZUCHENG。SUIDONGSHUIPINGTOUYINGZHANGDUWEI522.238 m,WUGANGGUANDUANDONGJINGWEI7 m,YALIGANGGUANDUANDONGJINGWEI6 mHECHAGUANZHIJINGWEI4 m,SHANGPINGDUAN、SHANGWANDUANHESHANGBANBUFENXIEJINGDUANCAIYONGGANGJINHUNNINGTUCHENQI,XIABANBUFENXIEJINGDUAN、XIAWANDUANHEXIAPINGDUANWEIYALIGANGGUAN。

                                    星云棋牌官网下载   WANJIAKOUZISHUIDIANZHANYINSHUIDONGCHENQISHIGONGYINGXIANGDABADEXIAZHAXUSHUI,GONGQIJINZHANG,ZHIYOU5GEYUE,DUIZHILIANGHEGONGYISHUIPINGYAOQIUGAO,TEBIESHIHUNNINGTUJIEHEFENGMIANCHULIYAOQIUGAO。YINSHUISUIDONGWUZHIDONG,DONGNEIKONGJIANYOUXIAN,JIGEGONGZUOMIANTONGSHIJINXINGSHIGONG,DONGNEIJIAOTONGKUNNAN;TONGSHIDONGNEIWUFASHIYONGDAXINGQIDIAOSHEBEI,HUNNINGTUJIAOZHUCAILIAOYUNSHUXUYAORENGONGBANYUN,RENYUANTOURUJIAODA。

                                      WEIDADAOKUAISUYOUZHISHIGONG,DONGCHENYIBANCAIYONGGANGMOTAICHE。YOUYUWANJIAKOUZISHUIDIANZHANYINSHUIDONGDEWUGANGGUANDUANYOUSHANGPINGDUAN、SHUIPINGZHUANWANDUAN、SHANGWANDUAN、XIEJINGDUANZUCHENG,ZHANGDUJINWEI308 mQIEJIEGOUFUZA,BUSHIHESHIYONGGANGMOTAICHESHIGONG,WEICI,JINGGUODUOCIFANGANTAOLUNYANJIU,SHEJICHUYITAOSHIHEYUDONGCHENQIDEMOBAN。MOBANCAIYONGGANGGONGHENGJIAPEIHEGANGMOBAN,JUBUYUANHUDUANCAIYONGMUMOBAN,SIPINHENGJIAZUCHENGYIGEYUAN,HENGJIAZAIHOUFANGZHIZUO,DAIGANGJINANZHUANGWANBIHOU,JINXINGANZHUANG。

                                    星云棋牌官网下载   XIANCHANGPINZHUANGGANGGONGJIA,CAIYONGΦ48GANGGUANHEGUANKOULIANJIE,HENGJIAPINZHUANGWANCHENGHOUZAIKOUZHUANGGANGMOBAN,PEIZIDONGZHENDONGQI,CHENQIZHANGDUDUANWEI12~15 m,YOUYUSHIYONGGUANKOUHEGANGMOKOULIANJIE,CHAIZHUANGBIJIAOLINGHUO,YICIZUOYEXUNHUANJINYONG4 d,DONGCHENYUEWANCHENGHUNNINGTUJIAOZHUDA100 m,DADAOGANGMOTAICHEDESHIGONGSUDU,ZHILIANGDADAOSHEJIHEGUIFANYAOQIU,ZHIZUOCHENGBENJINWEIGANGMOTAICHEDE30%,JINYONG3GEYUEJIUWANCHENGLE308 mWUGANGCHENDUANSHIGONG,TIQIANWANCHENGLEDABADEXIAZHAXUSHUIMUBIAO。

                                      3 、导流洞大渗漏水封堵抢险技术措施

                                    星云棋牌官网下载   WANJIAKOUZISHUIDIANZHANDAOLIUDONGWEIYUZUOAN,DUANMIANXINGZHUANGWEICHENGMENDONGXING,DONGJINGYIBANWEI4.5 m×6.0 m(KUAN×GAO),DUTOUDUANDONGJINGZUIDAWEI5.5 m×7.2 m(KUAN×GAO),JINKOUDIBANGAOCHENG1 300.1 m,CHUKOUDIBANGAOCHENG1 297.1 m,DONGSHENQUANZHANG893.1 m。

                                      3.1 、下闸蓄水后导流洞涌水问题

                                      DAOLIUDONGJINKOUZHAMENYU2017NIAN2YUE9RIXIAZHA,2YUE11RIDAOLIUDONGDONGSHENWEIYANCHUXIANSHENSHUI,YONGSHUILIANGSUIZHEKUSHUIWEITAIGAOBUDUANZENGJIA,ZUIDALIULIANGYUE14.1 m3/s,PINGJUNLIUSUYUE0.895 m/s[1],DONGNEISHUISHENYUE3 m,CHUKOUCHUSHUIWEIGAOCHENGYUE1 300 m。DAOLIUDONGNEISHUISHENLIUJI,SHIGONGMIANXIAZHAI,DUTOUFENGDUCUNZAIZHONGDAANQUANSHIGONGYINHUAN,TONGSHIMIANLINCAILIAOYUNSHU、LINSHIDAOPAISHUI、HUNNINGTUJIAOZHU、DUTOUJIEGOUWENDINGDENGZHUDUOSHIGONGNANTI,FENGDUJIWEIKUNNAN。

                                      3.2 、导流洞封堵方案设计

                                    星云棋牌官网下载   MIANDUIDAOLIUDONGFENGDUANQUANYINHUANTUCHU、GONGQIDUAN、SHIGONGNANDUDADEYANJUNXINGSHI,ZAISHENRUFENXIDAOLIUDONGZHENGTIWENDINGWENTI、DONGNEILIULIANGLIUSUBIANHUAGUILVHOU,ZHIDINGLEYI“DONGNEIFENGDUWEIZHU,DONGWAIFANGSHENWEIFU”DEYUANZE,JUEDINGCAIYONGLINSHIDUTOU+YONGJIUDUTOUDEFENGDUFANGAN。LINSHIDUTOUSHIZHENGGEFENGDUGONGZUOZHONGZUIWEIGUANJIANDEYIHUAN,ZHONGDIANYANJIULINSHIDUTOUSHIGONGFANGAN。LINSHIDUTOUBUZHIJIANTU1。

                                    星云棋牌官网下载   WEILEJIANSHAODAOLIUDONGNEISHENLOUSHUILIANG,JIANGDILIUSU,CHUANGZAOANQUANDESHIGONGTIAOJIAN,ZAIDAOLIUDONGJINKOUZHIDABADUANANPOCAIQUPAOTOUFUGAI、SHUIXIARUSHENDIANFENGDU、DAOLIUDONGKAOJIANGCEWEIMUGUANJIANGDENGYIXILIEFANGSHENFUZHUCUOSHI。CAIYONGPAISHUIGANGGUANYINPAI,BUZHI8GENΦ800 mmPAISHUIGANGGUAN,FENLIANGCENGBUZHI,DIELIANGMENDANGSHUIBIAOZHUNANDANG70 mSHUITOUJISUAN,MANZUKUSHUIQIFANGHONGYAOQIU。

                                      3.3 、导流洞的封堵

                                      DIELIANGMEN、PAISHUIGANGGUANJIGANGBANZHAMENANZHUANGWANCHENGHOU,JINXINGLINSHIDUTOUDIYIDUANDEHUNNINGTUJIAOZHU。WEIJINKUAIDADAODANGSHUITIAOJIAN,TIGAOHUNNINGTUQIANGDUDENGJI,JIEZHEJINXINGHUITIANHEJIECHUGUANJIANGCHULI,SHUIXIABUFENHUNNINGTUJINXINGGUANJIANGBUQIANGCHULI,JIAGUFUGAIPAISHUIGUANXIABUSUOYOUQUYU,QUEBAODUTOUHUNNINGTUYUDIBANMOCALI、PAISHUIGANGGUANWOGUOLIMANZUSHEJIYAOQIU。LINSHIDUTOUDIYIDUANHUNNINGTUJIAOZHUDADAOSHEJIQIANGDUHOU,GUANBIPAISHUIGUANDIEFA。LINSHIDUTOUDIERDUANHUNNINGTUTONGCANGJIAOZHU,HUNNINGTUQIANGDUMANZUYAOQIUHOU,JINXINGDINGBUHUITIANGUANJIANG、JIECHUGUANJIANGCHULI,DUIJISHUIKONGQIANGHUITIANGUANJIANGCHULI。LINSHIDUTOUSHIGONGWANCHENGHOU,YONGJIUDUTOUSHIGONGJUBEIGANDISHIGONGTIAOJIAN,ANYIBANCHANGTAIHUNNINGTUJIAOZHU。

                                      图1 临时堵头结构示意图
                                    图1 临时堵头结构示意图

                                      3.4、 效果

                                      WANJIAKOUZISHUIDIANZHANDAOLIUDONGLINSHIDUTOUSHIGONGFENGXIANJIDA,JIEHEWANJIAKOUZISHUIDIANZHANDAOLIUDONGDIXINGDIZHI、SHUIWENTIAOJIANTEDIAN,YANJIULEDANGSHUIGANGZHAMENPEIHEDIEFAGUANBI、XINGGANGDIELIANGMENZUOWEIANQUANBAOZHANGYOUJIANZUOZHISHUIHEMOBANJISHUIXIAHUNNINGTUJIAOZHUDELINSHIDUTOUSHIGONGFANGAN,BAOZHENGLELINSHIDUTOUFENGDUCHENGGONG,WEIYONGJIUDUTOUSHIGONGCHUANGZAOLEGANDITIAOJIAN。DAOLIUDONGFENGDUYU2017NIAN5YUE11RIYIJINGQUANBUWANGONG,FENGDUXIAOGUOLIANGHAO。

                                      4 、结语

                                    星云棋牌官网下载   WANJIAKOUZISHUIDIANZHANGONGCHENGZAISHIGONGZHONGCHUXIANLEGELEIJISHUNANTI,SHIGONGFANGKAIZHANKEYANXIANGMUHEQCHUODONGYANJIUJIEJUE,BUDUANGAIJINYOUHUASHIGONGFANGANHETIGAOGONGYISHUIPING,JIEJUELEXIANGMUSHIGONGDEGUANJIANJISHUWENTI,GAOXIAO、YOUZHIDIWANCHENGLESHIGONGRENWU,ZHANGWOYIZHENGTAOKEXUEDUTEDENIANYAHUNNINGTUSHIGONGGONGFAHEYANRONGDIQULOUSHUIDEFENGDUGUANJIANJISHU,HUODELIANGHAODEJISHUJINGJIXIAOYIHESHEHUIXIAOYI,SHIGUANGXISHUIDIANGONGCHENGJUNIANYAHUNNINGTUSHIGONGJISHUDADAOGUONEIXIANJINSHUIPING,WEIYIHOULEISIDEGONGCHENGTIGONGBAOGUIDESHIGONGJINGYAN。

                                      参考文献

                                      [1]宇超,卢山.万家口子水电站施工关键技术应用[J].红水河,2017(6):1-4.
                                      [2]张积仓,许佐龙.三峡船闸地面工程开挖支护施工技术综述[J].中国三峡建设,2003(6):18-19.
                                    星云棋牌官网下载   [3]卢山.万家口子水电站碾压混凝土双曲拱坝优质施工技术研究[J].中国高新技术企业,2014(17):111-112.

                                      卢山.万家口子水电站施工中关键技术的研究与应用[J].红水河,2020,39(01):73-76.
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