星云棋牌官网下载

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                    供水工程浅埋土洞不良地质段的施工技术方案探究

                    时间:2019-03-21 来源:水利建设与管理 作者:冯璐 本文字数:5436字

                      摘    要: 当浅埋隧洞穿越不良地质洞段,尤其是富水土洞时,极易发生塌方冒顶等事故,会对工程进度及施工成本产生影响。本文以东山供水工程为例,对塌方冒顶区的成因进行了分析,比选了冷冻法、化学灌浆法、洞内顶管法及地表注浆法,并进行了地表高压旋喷注浆工艺性试验。试验发现对于地质条件复杂的地层,土体不易被切割,难以形成连续密实的桩体,施工效果与预期效果相差很大。在此基础上,提出了“钢筋混凝土灌注桩止推墙+大管棚超前支护”的施工技术方案,并对止推墙、大管棚、开挖方式等重要环节进行了介绍,可为同类工程的塌方处理提供借鉴。

                      关键词: 星云棋牌官网下载浅埋隧洞; 不良地质; 塌方处理; 高压旋喷注浆; 止推墙; 大管棚;

                      Abstract:星云棋牌官网下载 When the shallow buried tunnel passes through the bad geological tunnel section, especially the rich soil and water tunnel, it is very easy to encounterl and slide cave-in and other accidents, thereby affecting the progress of the project and the construction cost. Dongshan Water Supply Project is adopted as an example for analyzing the causes of landslide cave-in areas in the paper. Freezing method,chemical grouting method, hole inside pipe jacking method and the surface grouting method are adopted after comparison. The surface technology test of high-pressure rotary jet grouting is implemented. The test shows that the soil is not easy to be cut in the formation with complex geological conditions, it is difficult to form a continuous compaction pile, the construction effect and expected results vary widely. The construction technology scheme of “reinforced concrete cast-in-place pile thrust wall + advanced support of large pipe shed” is put forward on the basis, and the important links such as thrust wall, large pipe shed and excavation method are introduced, which can provide reference for the treatment of landslide in similar projects.

                      Keyword:星云棋牌官网下载 shallow buried tunnel; bad geology; disposal of landslides; high pressure rotary jet grouting; thrust wall; large pipe shed;

                      1 、工程概况

                      SHANXISHENGDONGSHANGONGSHUIGONGCHENGSHI “SHIERWUGUIHUA”SHANXIDASHUIWANGJIANSHEZHONGDEYIXIANGZHONGYAOGUGANGONGCHENG,JUYOUSUIDONGSHULIANGDUO、DIZHITIAOJIANFUZA、DIXIASHUIFENGFU、BUFENDONGDUANMAISHENQIANDENGZHUDUOTEDIAN,YOUQISHISHIGONGVBIAOZAISHIGONGGUOCHENGZHONGXIANHOUZAOYUWUCITUSHUIYONGNIYONGSHASHIJIAN,SHIGONGNANDUJIDA。

                      SHIGONGVBIAOWEI9HAOSUIDONGZHUDONGDUAN(ZHUANGHAOYD7+205~YD9+478)DESHIGONG,FENBIESHE9-1HAO、9-2HAOLIANGTIAOSHIGONGZHIDONG。GENJUKANCHADIZHIMIAOSHU,YD7+615~YD9+275DUANWEITUDONGDUAN,DIMIANGAOCHENG1052.4~1129.7m,DIXIASHUIWEIBIAOGAO1043.5~1084.0m,SUIDONGMAISHEN30~108m,GAIDUANYANXINGWEIDISIXIXIAGENGXINTONG(Q1)HANSHADIYEXIANNIANTU(SHI-BAOHE),DIXIASHUIWEIXIANWEIYUDONGDINGYISHANG,CUNZAIDISHUIHUOSHENSHUIXIANXIANG[1]。

                    星云棋牌官网下载   2015NIAN8YUE3RI,9-1HAOZHIDONGKONGZHIZHUDONGXIAYOUSHIGONGZHIZHUANGHAOYD8+396SHIFASHENGTUFAXINGYONGSHUIYONGNITAFANG,DONGNEITAFANGTIYANSHENYUE135m,BINGZAIDIBIAOFUJIN(MAISHEN78m)XINGCHENGMAODINGTAXUE,ZHIJINGYUE15m,DIBIAOCHENJIANG30~200cm。YOUYUTAFANGTICHULINANDUDA,SHIGONGFENGXIANGAO,JINGYANJIUJUEDINGCONG9-2HAOZHIDONGKONGZHIZHUDONGSHANGYOUZHANGZIMIANSHIGONG,DUISHENGYU336mTUDONGJINXINGDANZUOYEMIANJUEJIN。2017NIAN3YUE19RI,9-2HAOZHIDONGKONGZHIZHUDONGSHANGYOUJUEJINZHIZHUANGHAOYD8+434SHI,JULIMAODINGTAFANGCHUJIN38m,YOUYUJUSHANGYOUTAFANGTIJIAOJINQIEDIZHITIAOJIANXIANGSI,ZANTINGLEGAIZHANGZIMIANSHIGONGBINGYANJIUGUANTONGFANGAN,DANZAI5YUE5RIXUNCHASHIFAXIANGAIZUOYEMIANFASHENGYONGNITAFANG,BINGZAIHOUQITAFANGTIQINGYUNGUOCHENGZHONGYOULIANXUFASHENGYONGSHUIYONGNIXIANXIANG,QIEGUIMOCHENGZENGDAQUSHI,ZAI9HAOSUIDONGYD8+396~YD8+434QUJIANXINGCHENGLEZHANG38mDEYONGSHUIYONGNITAFANGMAODINGQU。

                      2、 塌方成因分析

                      YD8+396~YD8+434涌水涌泥塌方冒顶区地表位于渣场冲沟下方,地面高程1015~1130m,周边地势较起伏,冲沟发育,属构造剥蚀低山丘陵地貌。根据开挖过程中揭露的地质情况和施工期补勘孔柱状图,该洞段从含砂低液限黏土层中穿过,洞顶存在一定厚度的卵石混合土层和级配不良砂层,为主要含水层,地下水位线位于高程1055m左右。
                     

                    供水工程浅埋土洞不良地质段的施工技术方案探究
                     

                      QIZHONG,LUANSHIHUNHETUCENGDETEXINGWEI:LILUANSHIWEISHAYAN,LIJINGZAI6~15cmDE,YUEZHAN25%;LISHIZHIJING0.5~5cmDE,YUEZHAN20%;FENXISHA,YUEZHAN30%;TU,YUEZHAN25%。

                      HANSHADIYEXIANNIANTUCENGTEXINGWEI:SHAWEIFENXISHA,HANSHALIANGYUEWEI20%。

                      JIPEIBULIANGSHATEXINGWEI:JIEGOUSONGSAN,YIFENXISHAWEIZHU,HANSHAWEI60%~80%,TUWEI20%~40%,JUBUJIADIYEXIANNIANTUCENG。

                      TAFANGMAODINGHOU《DIZHIKANCHAZHUANTIBAOGAO》JIEGUOXIANSHI:GAIDUANSUIDONGFUGAICENGHOUDUYUEWEI80m,YD8+389~YD8+401DUANDONGDINGYISHANGJIZHANGZIMIANZHIDIMIANZHIJIANDETUCENGZAIZHONGLIZUOYONGXIAJUNCHANSHENGHUADONGPOHUAI,YD8+427~YD8+435DUANDONGDINGYISHANG40mWEITAFANGSONGSANTI,QISHANGFANG12mZUOYOUWEIKONGQIANG,KONGQIANGSHENDU7.9~11.2m,SHANGBUWEI15~20mDIBIAOFUGAICENG。

                    星云棋牌官网下载   GENJUYISHANGDIZHIQINGKUANGFENXI,GAIDONGDUANFASHENGYONGSHUIYONGNITAFANGMAODINGDEZHUYAOYUANYINWEISUIDONGKAIWAHOU,SUIDONGDINGBUDEHANSHADIYEXIANNIANTUHUOFENTUCENGHOUDUBIANBO,CHENGZAILIXIAJIANG,WEIYUSUIDONGSHANGBUDELUANSHIHUNHETUCENGHEJIPEIBULIANGSHACENG(JIHANSHUICENG)CHONGPOTUCENGXINGCHENGTUFAXINGYONGSHUIYONGNITAFANG,YOUYUGAIDUANSHENSHUILIANGJIAODA,TUTIZAISHENSHUISHUILIUDEJINPAOXIA,YOUYINGSUZHUANGTAIZHUANBIANWEILIUDONGTAI,JINYIBUJIAJULETAFANGGUIMO。

                      3、 技术方案比选与工艺性试验

                      YOUYUGAIDONGDUANSHANGXIAYOUJUNFASHENGLEJIAODAGUIMODEYONGSHUIYONGNITAFANG,SUIRANTAFANGTIJINGGUOLE2~4NIANDECHENDIAN,DANSHIZAIDONGDINGZHOUBIANRENGRANCUNZAITAFANGRAODONGDESONGSANTIHEDUIJITI,QIEWEIYUDIXIASHUIWEIXIANYIXIA,YINCI,ZAIGUANTONGSHIGONGZHONGRUOCHUZHIBUDANGJIYIZAICIXINGCHENGTAFANGNAIZHIMAODINGDENGDIZHIZAIHAI。

                      3.1、 技术方案比选

                    星云棋牌官网下载   JISHUFANGANBIXUANRUXIA:

                      a.LENGDONGFA[2]:CONGDIBIAODUIWEIKAIWADONGDUANCAIYONGSHUXIANGYANSHUILENGDONG,JIEHEDIZHIZUANKONGTANMINGDETAQIANGJIXIANCHANGKAIWAQINGKUANG,CHUBUQUEDINGCHULIFANWEIWEIYANDONGZHOUXIANFANGXIANG45m,CHUIZHIDONGZHOUXIANFANGXIANG10m(CHUIZHIDONGZHOUXIANFANGXIANGKAIWABIANXIANLIANGCEGEYANSHEN3m),SHUZHIFANGXIANG63m(DONGJIEZHIDIBANYIXIA3m),JIANPAIJUWEI1.0m×1.0m,DONGJIEGUANZONGZHANGYUE28600m,ZUANKONGGONGQIYUE50TIAN,ZUANKONGTONGSHIANZHUANGZHILENGSHESHI,ZUANKONGWANCHENGHOUBUSHELENGQUEGUANLUJINXINGLENGQUEXITONGSHEBEIDIAOSHIYUE10TIAN,JIJIDONGJIESHIJIANYUE45TIAN(DONGJIESHIJIANGENJUCEWENGUANWENDUQUEDING),WEIQUEBAOHOUQISHIGONGANQUAN,KAIWAHOUXUJINXINGFANGSHUICHENQIYUJIGONGQI7TIAN,ZONGSHANG,DONGJIECHULIZONGGONGQIYUE112TIAN。TUTIDONGJIEWANCHENGHOU,YOUSHIGONGDANWEIJINXINGDONGNEIQINGYUJIKAIWACHENQIDENGHOUXUGONGZUO,GAIXIANGGONGZUOGONGQIYUEWEI80TIAN。

                    星云棋牌官网下载   b.HUAXUEGUANJIANGFA:CAIYONGXINXINGSHUANGZUFENHUAXUECAILIAOZAIDONGNEIJINXINGQUANDUANMIANZHUJIANG,ZHUJIANGKONGZHUYAOBUZHIZAISUIDONGQIGONGSHANGBU,ZHUJIANGFANWEIWEIGONGDINGYISHANG2m。YOUYUDONGNEIQINGYUGONGZUOFENGXIANDA,RUCAIYONGGAIFANGAN,XUJIANGDONGNEI135mTAFANGTIJINXINGGUJIE,GUJIEHOUKAIWAZHIZHANGZIMIAN,ZAIDUIDONGDINGFUGAICENGJINXINGHUAXUEGUANJIANG。JINGCESUAN,MEILIFANGMITAFANGTIXU0.7tHUAGUANCAILIAO,DONGNEITAFANGTIYUE1600m3;QINGYUZHIZHANGZIMIANHOU,MEIYANMISUIDONGGONGDINGYISHANG2mFANWEINEIZHUJIANGDAYUEXUYAO14mZHONGKONGZUANGAN、MEIMIZUANKONG0.5tHUAGUANCAILIAO,YUJIJINHUAXUEGUANJIANGCAILIAOXU3500WANYUAN。

                    星云棋牌官网下载   DONGNEIQINGYUGONGQIDAYUEXU50TIAN,HUAXUEGUANJIANGMEIXUNHUANKECHULI7m,HUAXUEGUANJIANGZUOYESHIJIANWEI6TIAN,KAIWA、ZHIHUZUOYEXU20TIAN,ZAIBUKAOLVGUANJIANGYUKAIWAZUOYEXIANGHUGANRAODEQINGKUANGXIA,135mDONGNEIQINGYUYU38mKAIWAZHIHUGONGXUYAO195TIAN。

                    星云棋牌官网下载   c.DONGNEIDINGGUANFA:XUZAIYUANKAIWADONGDUANKUOWALIANGGEGONGZUOJING,ZAIJIANGDINGGUANGUANCAIZHUJIEDINGJIN,DANYOUYUMUQIANDUIDONGDINGYISHANG80mGAOFUGAISONGSANTITIAOJIANXIADEGUANCAIJIEGOUJISUANSHANGWUXIANLI,XUDUIDINGGUANJIEGOUXINGSHIJICHICUNJINXINGZHUANXIANGSHEJI[3]。

                      d.DIBIAOGUANJIANGFA:YOUYUZHUDONGTAFANGDUANLIANGCEJUNCHUXIANTAQIANG,SHANGXIAYOULIANGCEDONGNEIYUNICHENGLIUDONGXINGTAI,DONGNEIQINGYUANQUANFENGXIANJIDA,NANYIZAIDONGNEICAIQUCHULICUOSHI,YINCI,SHOUXIANZAISHENGYUTUDONGDUANLIANGCEZHUJIANGXINGCHENGZHIJIANGQIANG,RANHOUDUITAFANGMAODINGDUANTUTIJINXINGGAOYAXUANPENGUANJIANG,DAIWEIYANJIAGUWANCHENGHOUZAIZAIDONGNEICAIYONGDAGUANPENGJIEHECHAOQIANXIAODAOGUANZHUJIANGJINXINGCHAOQIANZHIHUKAIWA[4]。

                      ZONGSHANGSUOSHU,LENGDONGFAFANGANJISHUJIBENKEXING,DANSHOUWENDUYINGXIANGJIAODA,GONGQIYUDONGJIEXIAOGUOKEKONGXINGJIAOCHA,QIECHULIFEIYONGGAOANG;HUAXUEGUANJIANGFATOUZIJIAODA,QIECONGHUAXUEGUANJIANGYINGYONGSHILILAIKAN,GAISONGSANWEIYANTIAOJIANXIAHUAXUEGUANJIANGDEKEKAOXINGJIAOCHA;DONGNEIDINGGUANFAKUOWAGONGZUOJINGANQUANFENGXIANJIGAO,QIEXUDUIDINGGUANJIEGOUJINXINGZHUANXIANGSHEJI,CUNZAIJIAODADEFENGXIAN;ERDIBIAOGUANJIANGFAJISHUKEXINGQIEJINGJIXINGJIAOHAO,DANXUTONGGUODIBIAOGAOYAXUANPENGUANJIANGGONGYIXINGSHIYANDUIZHUJIANGCANSHUJIZHUJIANGXIAOGUOJINXINGJIANCHA,YINCICHUBUQUEDINGCAIYONGDIBIAOGUANJIANGFAFANGAN。

                      3.2、 地表灌浆工艺性试验

                    星云棋牌官网下载   GENJUQIANQITAFANGJIDIZHIKANTANCHENGGUO,JIEHETAFANGTUTIRAODONGQINGKUANG,FENBIEDUIRAODONGQUHEWEIRAODONGQUYUANZHUANGTUTIJINXINGGAOYAXUANPENGUANJIANGSHIYAN,GUANJIANGSHIYANSHUXIANGFANWEIWEI:SUIDONGLUNKUOXIANFANWEINEIWEIDONGDINGZHIQIYISHANG20.0m,SUIDONGLUNKUOXIANFANWEIWAIWEIDONGDINGYISHANG20mZHIDONGDIYIXIA2.0m。RAODONGQUXUANZEZAIZHUANGHAOYD8+434FUJIN,WEIRAODONGQUXUANZEZAIZHUANGHAOYD8+396HEYD8+434ZHIJIANYUANZHUANGTUTIQUYU,MEIGESHIYANQUNEIBUZHILIANGPAISHIYANKONG,DIYIPAISHIYANKONGKONGJIANJUWEI0.8m,DIERPAISHIYANKONGKONGJIANJUWEI1.0m,LIANGPAISHIYANKONGPAIJUWEI0.8m,SHIYANKONGZHIJIANSHEJIANCHAKONG,JUTIKONGWEIBUZHIJIANTU1。

                      图1 地表灌浆工艺性试验孔位布置
                    图1 地表灌浆工艺性试验孔位布置

                      GAOYAXUANPENSHIYANWANCHENGHOU,DUISHIYAN1QUHESHIYAN2QUJINXINGJIANCHAKONGQUXINZHILIANGJIANCHA,QUXINCHENGGUOFENBIEJIANTU2、TU3。

                      图2 试验1区取芯成果
                    图2 试验1区取芯成果

                      图3 试验2区取芯成果
                    图3 试验2区取芯成果

                      KEYIKANCHU,GAOYAXUANPENSHIGONGXIAOGUOYUYUQIXIAOGUOXIANGCHAJIAODA,ZHUYAOBIAOXIANWEIZUANKONGQUXINLVDI,YANXINZHONGCUNZAIWURAODONGTUTI,QIEJIHUKANBUDAOSHUINIJIETI,ZHEIZHUYAOSHIYOUYUGAOYAXUANPENSHIGONGDUANMAISHENJIAOSHEN(41~61m),XUANPENGUANLUJIAOZHANG,DAOZHIYALISUNSHIJIAODA,QIETAFANGDUANDIZHITIAOJIANFUZA,CUNZAISHACENG、SHALUANSHICENG、FENTUCENGHEHANSHADIYEXIANNIANTUCENG,TUTIJUNYIXINGJIAOCHA,SHIGONGDUANTUTIBUYIBEIQIEGE,DAOZHISHUINIJIANGYEWUFAKUOSANZHIZHOUBIANTUTIZHONG,XINGCHENGLIANXUMISHIDEZHUANGTI。

                    星云棋牌官网下载   JIANYUDIYICISHIYANDUANQUXINXIAOGUOBUJIA,JIXUZAISHANGYOUZHIJIANGQIANGWEIZHI(YD8+396.00~YD8+398.00)JINXINGGAOYAXUANPENGUANJIANGSHIYAN,QIANGTIHOUDUWEI2.0m(YANDONGZHOUXIANFANGXIAN),KUANDU10m(CHUIZHIDONGZHOUXIANFANGXIANG),CHUIZHIXUANPENSHIGONGFANWEIWEIDONGDINGYISHANG15mZHIDONGDIYIXIA2m,BINGJIANGKONGJIANJUJIAMIZHI40~50cm,SHIYANGUOCHENGZHONGJIXUDUIGUANJIANGFANWEI、TISHENGSUDU、JIANGYENONGDUDENGCANSHUJINXINGDIAOZHENG,BINGYISHIFOUFANJIANGZUOWEIGUANJIANGJIESHUBIAOZHUN,CONGERLIQIUQUEBAOSUIDONGLIANGCEZHANGZIMIANXINGCHENGLIANXUFENGBIDEZHIJIANGQIANG。ZAISHIJISHIGONGGUOCHENGZHONGFAXIANⅠ、ⅡXUKONGDEXUANPENZHUJIANGLIANGBIANHUABUDA,TUIDUANⅡXUKONGKENENGCUNZAIPAOJIANGXIANXIANG,YUSHIZAIBUFENⅡXUKONGJIANGYEZHONGZENGJIALESHUIBOLI,DANCHIJIANGLIANGYANZHONGCHAOCHUYUQIQIEGUANJIANGXIAOGUOBUKEKONG,SUITINGZHISHIYAN。

                      4 、技术方案优化

                    星云棋牌官网下载   YOUYUGAOYAXUANPENDIBIAOZHUJIANGFABUNENGGOUDUISUIDONGSHANGBUTUTIQIDAOLIANGHAODEJIAGUZUOYONG,YINCIWEILEBAOZHENGSHIGONGANQUAN,SHOUXIANXUYAOJIANGTAFANGSONGSANTIYUYIZHIHUANQUANDONGDUANQUFENKAILAI,ZAIKAIWAZHIHUWANHAODONGDUANYUTAFANGYONGNIJIAOJIECHUSHEZHIHUNNINGTUGUANZHUZHUANGZHITUIQIANG,ZUDUANTAFANGSONGSANTIXIANGDONGNEIJINYIBUHUATADETONGDAO,RANHOUZAIJINXINGDONGNEITAFANGYONGNIDUIJITIDEQINGYUNGONGZUO[5]5]。TAFANGDUANDONGNEICHAOQIANZHIHURENGRANCAIYONGDAGUANPENGZHUJIANGFANGAN,DANXUCONGSHANGXIAYOULIANGCETONGSHISHIZUO1HUAN,BINGDUIDAGUANPENGJINXINGJIEGOUYOUHUAJIAQIANG,CAIYONG?108ERJIGUANPENG,NEIZHICAILIAOWEI?76HE?25GANGJINSHU,CONGERZAITAFANGDUANDINGBUXINGCHENGYIGEXIANGHUDAJIEDE“DINGPENG”。DAISHANGSHUGONGZUOWANCHENGHOU,CAIYONG“FENTAIJIE、YULIUHEXINTU”FANGANJINXINGKAIWAJUEJIN,BINGFUYI?42CHAOQIANXIAODAOGUANZHIHUCUOSHI,ZHIZHISUIDONGSHUNLIGUANTONG。

                      4.1、 混凝土灌注桩止推墙

                      HUNNINGTUGUANZHUZHUANGZHITUIQIANGCHUIZHIYUDONGZHOUXIANFANGXIANGZHANGDU10m,CAIYONGDANPAIGUANZHUZHUANGSHIGONGXINGCHENG。GUANZHUZHUANGZHIJING80mm,KONGZHONGXINXIANJIANJU1.0cm,DANGENZHANGDU65m。GANGJINCAIYONG?20HE?25,GANGJINJIANJU20cm,GANGJINZHUYAOBUZHIZAIGUANZHUZHUANGDIBU20mNEI,DINGBU45mCAIYONGLUANSHITUHUITIAN。

                      KAOLVDAOZHITUIQIANGWEIYUTAFANGQUFUJIN,TUTISONGSAN,SHIGONGCHENGKONGNANDUDA,YINCICAIYONGNIJIANGHUBIFANGAN,BINGGENJUBUTONGTUZHITIAOJIANBIANHUANNIJIANGZHIBEIFANGFA,JIDANGZAINIANTUHUOFENZHINIANTUZHONGCHENGKONGSHI,KEZHURUQINGSHUI,YIYUANTUZHIJIANG,PAIZHANIJIANGMIDUKONGZHIZAI1.1~1.3g/cm3,ZAIQITATUCENGZHONGCHENGKONG,KEXUANYONGNIANTUHUOPENGRUNTUZHIJIANG,DANZAICHUANGUOSHALUANSHICENGHUORONGYITAKONGDETUCENGSHI,XUJIANGNIJIANGMIDUKONGZHIZAI1.3~1.5g/cm3。

                      4.2、 大管棚注浆超前支护

                    星云棋牌官网下载   DAGUANPENGZHIJINGWEI108mm,BIHOU5mm,ZHANGDU30m,JIANJU0.3m,QINGJIAO5°。ZAI?108GANGGUANNEIANZHUANG3GEN?25GANGJINSHUHE?76GANGGUAN,YIZENGQIANGGUANPENGDEGANGDU。WEIBAOZHENG3GEN?25GANGJINSHUSHOULI,YINGCAIYONGJIANGEHANJIEDEFANGSHIGUDINGZAIYIQI,SHIGANGJINJIETOUXIANGHUCUOKAILIANJIE,BINGYUGANGGUANJIETOUBUCHUYUTONGYIPINGMIANSHANG。

                      GUANPENGZHUJIANGQIANCAIYONGPENSHEHUNNINGTUDUIZHANGZIMIANJINXINGFENGBI,XINGCHENGZHIJIANGQIANG,FANGZHIJIANGYEWAIYIYINGXIANGZHUJIANGXIAOGUO,ZHUJIANGSHUNXUZUNXUN“XIANLIANGCEHOUZHONGJIAN,LIANGCEDUICHENGXIANGZHONGJIANKAOJIN,XIANGUANWUSHUIKONG,HOUGUANYOUSHUIKONG”DEYUANZE,GUANJIANGYALI0.3~0.5MPa,CAIYONG0.5∶1、0.8∶1HE1∶1SANZHONGSHUIHUIBIJIANGYEYOUXIDAONONGZHUJIJINXING。

                      GUANPENGSHIGONGWANCHENGHOU,ZAIGUANPENGWAICEBUZHIYIPAI?108PAISHUIHUAGUAN,PAISHUIHUAGUANCAIYONGHANGUANZHIZUO,ZHIZUOHEANZHUANGFANGFAYUGUANPENGSHIGONGFANGFAYIZHI,DANXUZAIANZHUANGQIANYONGTUGONGBUJIANGPAISHUIHUAGUANBAOGUOGUDINGPINGZHENG,CONGERQIDAO“LVTUPAISHUI”DEZUOYONG。

                      4.3、 掘进开挖

                      SHENGYUTUDONGDUANKAIWAANZHAO“FENTAIJIE、YULIUHEXINTU”DEFANGANFENSHANGTAIJIE、XIATAIJIE、DIBANSANBUFENJINXING。ZAISHANGTAIJIEKAIWASHICAIYONGJIXIEKAIWA,YULIUZHANGZIMIANZHONGBUHEXINTUHE30cmBAOHUCENG,HEXINTUDAXIAOYIFANGBIANGANGGONGJIAPINZHUANGWEIYI,MEIXUNHUANKAIWAJINCHI0.5m;DAISHANGTAIJIEKAIWAWANCHENGHOUJINRUXIATAIJIEKAIWA,KAIWAFANGFATONGXIATAIJIE,SHANGXIATAIJIEZHIJIANDEJULIKONGZHIZAI3mZUOYOU。DANGSUIDONGJUEJIN5mHOU,YOULIXIANGWAIJINXINGDIBANTUTIKAIWA,BINGGENJUXIANCHANGDIBANJICHUCHENGZAILIJINXINGDIBANC20HUNNINGTUHUITIAN。

                      5、 结 语

                      a.DUIYUQIANMAITUDONGDUAN,YOUQISHIDANGSUIDONGWEIYUDIXIASHUIWEIYIXIASHI,JIYIFASHENGBULIANGDIZHIZAIHAI,XUYAOTIQIANCAIQUXIANGYINGDECHAOQIANYUBAOCUOSHIHUOGONGCHENGCUOSHIJINXINGYUPANYUCHULI,YIBAOZHENGSHIGONGANQUAN。

                    星云棋牌官网下载   b.ZAIGAITAFANGMAODINGQUJISHUFANGANBIXUANZHONG,TAOLUNLELENGDONGFA、HUAXUEGUANJIANGFA、DONGNEIDINGGUANFAJIDIBIAOZHUJIANGFA,JINGZONGHEBIXUANQUEDINGDUIDIBIAOZHUJIANGFAJINXINGGONGYIXINGSHIYANYANJIU,DANSHIFAXIANDUIYUDIZHITIAOJIANFUZA,CUNZAISHACENG、SHALUANSHICENG、FENTUCENGHEHANSHADIYEXIANNIANTUCENGDEBUJUNYIDICENG,TUTIBUYIBEIQIEGE,NANYIXINGCHENGLIANXUMISHIDEZHUANGTI,SHIGONGXIAOGUOYUYUQIXIAOGUOXIANGCHAHENDA。

                    星云棋牌官网下载   c.ZHENDUIBUTONGDICENGTIAOJIANXIADETAFANGCHULICUOSHI,YOUYUCUNZAIWENTIDEDUOYANGXINGYUFUZAXING,KEYICAIQU“BIANSHIYAN、BIANSHIGONG、BIANLUNZHENG”DEFANGSHIYUYITUIJIN。ZAITONGGUOGAITAFANGMAODINGQUGUOCHENGZHONG,TICHULE“GANGJINHUNNINGTUGUANZHUZHUANGZHITUIQIANG+DAGUANPENGCHAOQIANZHIHU”DESHIGONGJISHUFANGAN,MUQIANYIZAISHISHIGUOCHENGZHONG,XIAOGUOLIANGHAO,KEWEITONGLEIGONGCHENGTIGONGJIEJIAN。

                      参考文献

                      [1] 王雪,王成虎,马孝春,等.国内外顶管施工技术的对比分析[J].施工技术,2017,46(S2):1018-1023.
                      [2] 杨朝帅,王光辉.高压旋喷注浆技术在富水砂层隧道中的应用[J].山西建筑,2017,43(2):167-169.
                      [3] 张斌.土洞施工中含水段塌方处理方案探讨[J].水利规划与设计,2016(9):78-79,87.
                      [4] 王生光.大断面黄土隧道开挖工法优化及预支护研究[D].兰州:兰州交通大学,2016.
                    星云棋牌官网下载   [5] 卢江龙,朱国金,李云.大五山隧洞穿越断裂带洞内泥石流地质灾害处理[J].云南水力发电,2014,30(4):21-23.

                      冯璐.浅埋隧洞穿越不良地质段技术方案优化研究[J].水利建设与管理,2020,40(02):57-61.
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