牛牛游戏厅安卓,{原始关键词}

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                      2. 当前位置: 代写一篇论文多少钱 > 工程师论文 > 深基坑支护工程与井点降水施工方案

                        深基坑支护工程与井点降水施工方案

                        时间:2019-02-07 15:33作者:陆子毅
                        本文导读:这是一篇关于深基坑支护工程与井点降水施工方案的文章,本文主要分析基坑围护工程中所用到的钻孔灌注桩,双轴搅拌桩以及高压旋喷桩的施工工艺和技术措施,并且探讨了基坑降水工程中所采取的轻型井点降水方案与深井降水方案的具体措施。

                          摘    要:牛牛游戏厅安卓,{原始关键词} 以御宫艺墅新建项目为研究对象,为对基坑围护工程施工方案与井点降水施工方案的施工工艺予以分析,文章将通过对工程地质及实际施工条件予以考察,就施工过程中可能遇到的问题予以探讨,并提出相对完善施工作业流程,技术措施,施工要求以及特殊情况下的处理方法,为以后可能存在的类似问题的解决提供参考方案。

                          关键词:牛牛游戏厅安卓,{原始关键词} 深基坑; 基坑围护; 井点降水;

                          Abstract: Taking the newly built project of royal palace villa as the research object, through the investigation of engineering geology and actual construction conditions, this paper discusses the construction technology, construction process, technical measures,construction requirements and special treatment methods of the foundation pit retaining engineering construction scheme and well point dewatering construction scheme. The possible problems in the construction process are analyzed to provide reference for similar problems in the future.

                          Keyword:牛牛游戏厅安卓,{原始关键词} deep foundation pit; foundation pit enclosure; well point precipitation;

                          1、 工程概况及地质情况

                          1.1、 工程概况

                          YUGONGYISHUXINJIANXIANGMU(XIQU)GONGCHENGWEIYUSHANGHAISHIQINGPUQUZHAOXIANGZHENYEHUILUNANCEZHIDALUDONGCE,JIANZHUYONGYUMINYONGJIANZHU,PEITAOSHANGYELOU。YONGDIMIANJI113600m[2],ZHANDIMIANJI108000m[2],JIANZHUDIXIAMIANJI128826.1m[2],JIANZHUDISHANGMIANJI57345.9m[2]。JICHUXINGSHICAIYONGZHUANGJICHU,BENGONGCHENGYIGANGJINHUNNINGTUKUANGJIAJIEGOUZUOWEIZHUTIJIEGOUXINGSHI,SHIYONGXIANJIAOGANGJINHUNNINGTUPINGWUMIANZUOWEIWUGAIJIEGOUXINGSHI。JIKENGZHANG85m,KUAN60m。

                          1.2 、工程地质与水文地质状况

                        牛牛游戏厅安卓,{原始关键词}   JIDITUZHIWEIYUNIZHIFENZHINIANTU;DIXIASHUIWEI-1.4m。XINJIANXIANGMUSUOZAIDIJINGJIANCEBUCUNZAIHUANJINGWURANYUAN,DANZAIHUNNINGTUYUDAOQIANSHUIDEQINGKUANGXIA,HUNNINGTUCUNZAIYOUBEIQINGWEIFUSHIDEKENENG;CHUDUIHUNNINGTUDEFUSHIWAI,ZAIZHANGQISHUIHUANJINGTIAOJIANXIA,DUIHUNNINGTUZHONGDEGANGJINJIQITAGANGJIEGOUYICUNZAIYOUQINGWEIFUSHIDEKENENGXING。

                          1.3、 基坑环境

                          SHENJIKENGDIMIANBIAOGAOWEI-1.20m,JIDIKAIWABIAOGAO-7.0m,BENJIKENGKAIWASHENDU5.8m(±0.000XIANGDANGYUJUEDUIBIAOGAO+5.300),CHUJIKENGDONGCEWAI,QITAFANGWEIJUNCUNZAIYOUDAOLU、DIXIAGUANXIANDENGQINGKUANG。BEICE、XICE、NANCEJINKAOYONGDIHONGXIAN,ZHIWEIQIANGJULIYUEWEI3~7m,JIKENGDONGCESHIPENJINGHE,JUJIKENGBIANJULI3~10MI,SHIGONGCHANGDIJIAOXIAO。

                          2 、深基坑支护及降水方案的选取

                          2.1、 深基坑支护方案的选取

                          在深基坑施工中根据施工现场具体的工程地质选择合适的深基坑支护方案具有重要意义。本工程基底土质为淤泥质粉质黏土,若使用锚杆支护则会影响周围的土体,从而产生一些严峻的安全隐患。本工程支护主要采用钻孔灌注桩及搅拌桩作为支护结构。
                         

                        深基坑支护工程与井点降水施工方案
                         

                          2.2 、深基坑降水方案的选取

                          GENJUXIANCHANGDEJUTIQINGKUANG,TICHUZAIGONGCHENGDEDABUFENDIQUCAIYONGQINGXINGJINGDIANJINXINGJIKENGYUJIANGSHUI,BINGSHIDANGJIANGDIDANGDISHENJIKENG(DIANTIJING、JISHUIJING)DEZHUGUANDAOHEZHENKONGBENGDEGAODU,YIMANZUJIANGSHUIDEYAOQIU。RUYUTESHUQINGKUANG,ZEKAOLVZAIJIKENGNEICAIYONGSHENJINGJIANGSHUICUOSHILAIDADAOJIANGSHUIMUDE。GENJUQINGXINGJINGDIANYINGXIANGBANJING,ZAIJIKENGNEIZAISHEZHIGUANCHAJING,YONGYUYUJIANGSHUIJIEDUANDUISHUIWEIJINXINGGUANCHA。

                          3 、基坑支护工程施工方案

                          3.1 、钻孔灌注桩施工方案

                          BENGONGCHENGWEIHUGONGCHENGZHONGDEZUANKONGGUANZHUZHUANGCAIYONG600、700、800、850mmDEZHUANGJING。BENGONGCHENGZUANKONGGUANZHUZHUANGDECHENGZHUANGGONGYICAIYONGZHENGXUNHUANCHENGKONG、NIJIANGHUBIJIDAOGUANFAJIAOZHUSHUIXIAHUNNINGTU。GAIGONGCHENGZAISHIGONGSHIYANGEZUNXUNZUANKONGGUANZHUZHUANGSHIGONGYAOQIUHESHEJIYAOQIU。NIJIANGJIBENBAOZHENGMEITIANWAIYUN。

                          3.1.1、 埋设护筒

                          CAIYONGHOUDUWEI4mmDEGANGBANZUOWEIBAOHUGUAN。YOUYUBAOHUGUANDENEIJINGDAYUZHUANGDEZHIJING,QIEZHISHAOBAOCHILE100mmDECHAZHI,WEIFANGZHIZUANKONGSHIGONGZHONGYOUYUBAOHUTONGWAIHUANZHUJIANGERYINQIDETAOGUANTAXIANHETUOLUO,BAOHUGUANYINGMAIZAITUZHONG20cm,BAOHUTONGZHONGXINYUZHUANGXINZHIJIANDEWUCHAYINGKONGZHIZAI20mmYINEI,QIEBAOHUGUANDECHUIZHIDUHESHUIPINGDUYINGANSHIGONGYAOQIUYANGEBAKONG。

                          3.1.2、 成孔工艺

                        牛牛游戏厅安卓,{原始关键词}   ZUANKONGGUANZHUZHUANGQUANBUCAIYONGZHENGXUNHUANHUIZHUANZUANJINCHENGKONG,ZIRANZAOJIANGHUBI,ZHENGXUNHUANLIANGCIQINGKONGGONGYI、DAOGUANFAGUANZHUCHENGZHUANG。

                          (1)ZUANJINJISHUCANSHU。GENJUSHIZHUANGSHIGONGJINGYAN,ZANDINGZUANJINJISHUCANSHUWEI:YALI500-1500kg(ZIZHONGJIAYA),ZHUANSU30-100rpm,BENGLIANG30~108m[3]/h。ZAIZHUANGKONGNEIZUANQUDAYU12mDEKONGDUANSHI,NIJIANGBILIYINGDAYU1.30,BENGPAILIANGYINGKONGZHIZAI1/3,YIBAOZHENGKUAISUTONGGUODEFANGSHI,JINLIANGJIANSHAOZHUANGKONGDESHOUSUO。(2)ZHUANGKONGZHILIANGJIANCE。BENGONGCHENGXIANGMUCHENGKONGZHILIANGJIANCESHULIANGYINGWEIZONGZHUANGSHUDE20%,XIAOYINGBIANJISHIYAJIANCEYOUYEZHUFUZEWEITUOYOUGUANCESHIDANWEIJINXING。KONGSHEN:ZUANKONGQIANXUXIANXINGQUEDINGHUTONGDEBIAOGAO,BINGZAIHOUXUYICIWEIQIDIANANZHAOSHEJIYAOQIUDEKONGDIBIAOGAOQUEDINGKONGSHEN,YIZUANGANZHANGDUCELIANGKONGSHEN。(3)HUBIYUQINGKONG。YIJUDIZHIZILIAO,GAIDIQUDENIBIBAOHUYIDICENGZIRANGUANJIANGWEIZHU,BINGGENJUBUTONGDICENGDEDIZHITEZHENG,DIAOZHENGNIJIANGXINGNENG,QUEBAONIJIANGNENGCHONGFENCHENGZAISHA,JIANSHAOJINGDINISHA,BAOCHIJINGBIWENDING。

                          3.1.3、 施工作业顺序

                        牛牛游戏厅安卓,{原始关键词}   (1)ZUANKONGSHIGONGSHUNXUYINGDANGZUNXUNXIASHUYUANZE:XIANGLINLIANGKONGSHIGONGYINGDANGBAOZHENGLIANGKONGDEZHONGXINJUZHISHAOWEI4d,HUOZHEZUISHAODESHIJIANJIANGEDAYUHUODENGYU48XIAOSHI。(2)WEIBIANYUSHIGONGJINKENENGJIANSHAOBANQIANSHIJIANHEFUZHUSHIJIAN。

                          图1 桩施工顺序图
                        图1 桩施工顺序图

                          3.2、 双轴搅拌桩施工方案

                          GENJUBENGONGCHENGDEZHAOBIAOWENJIANYAOQIU,GAIXIANGMUDIXIAJUBUWEIHUQUYUNICAIYONGSHUANGZHOUJIAOBANZHUANGSHIGONG,JIAOBANZHUANGZHUANGJINGWEI700mm,JIANJUWEI500mm,SHUINICHANRUBIWEI20%。

                          (1)SHUANGZHOUSHENCENGJIAOBANZHUANGSHIYICAIYONGP42.5PUTONGGUISUANYANSHUINI,SHUINICHANRULIANGYIJUTUTIYOUXIAOJIAGUQIANGDUDEXUYAOYINGDANGXUANWEI13%。TONGSHI,GENJUGONGCHENGDEJUTIXUYAO,KEYIXUANZEZAOQIQIANGDU、HUANNING、JIANSHUIDECHANHELIAO。(2)SHIGONGQIANXUDUISHUINITUJINXINGXIANGGUANSHINEISHIYAN,CONGERQUEDINGHESHIDEWAICHANJIPEIBI,BINGJIANGSHIYANBAOGAOYUSHIYANJIEGUOBAOJIANLIGONGCHENGSHIYUYIBEIAN。(3)JIAOBANZHUANGJIJIAXUPEIYOUCHUIZHIDUJIANCESHEBEI,YIBAOZHENGQIJUYOUZUGOUDEPINGZHENGDUHECHUIZHIDU。(4)BAOZHENGXIAJIANGHETISHENGNENGGOUMANZUSHANGSHUYAOQIU,CHENGZHUANGCAIYONGERCIJIAOBANGONGYI,PENJIANGJIAOBANSHIZUANTOUDETISHENG(HUOXIACHEN)SUDUBUDECHAOGUO0.5MI/FENZHONG,ZUANTOUMEIZHUANYIZHOUDETISHENG(HUOXIACHEN)LIANGYINGDANGKONGZHIZAI10~15HAOMIDEZUIJIAFANWEINEI。

                          3.3、 高压旋喷桩施工方案

                          3.3.1、 钻机定位

                          GAOYAPENSHEZHUJIANGKONGYINGDANGANZHAOSHIGONGPINGMIANTUDEKONGWEIJIKONGHAOBUZHI,GAOYABENGYUZUANJIZHIJIANDEJULIYINGKONGZHIZAIHELIFANWEINEI、BUYIGUOYUAN。

                          3.3.2 、钻孔

                        牛牛游戏厅安卓,{原始关键词}   (1)ZUANKONGKAIZUANQIAN,JIANCHAKONGWEI、KONGHAO、ZUANGANCHUIZHIDUDENGSHIFOUFUHEYAOQIU,DANGFUHEYOUGUANGUIDINGYAOQIUHOU,FANGKEKAIZUAN。(2)ZUANKONGSHIYINGBAOZHENGZHUANGJING、CHUIZHIDU、ZHUANGSHENZHONGXINYUNXUPIANCHA(SHEJIZHUANGJINGDE0.2BEI)JISHEJIJIGUIFANGUIDINGDEKONGSHEN。

                          3.3.3 、水泥浆液

                          (1)WEIQUEBAOJILIANGDEZHUNQUEXING,DUIPEIZHIJIANGYEDEYUANCAILIAOJINXINGJILIANGSHIXUSHIYONGFADINGJILIANGQIJU。JIAOBANSHIJIANBUDEXIAOYU5FENZHONG,ZAI30FENZHONGNEIBIXUYONGWAN,FANCHAOGUO30FENZHONG,GAIJIANGYEYINGYUFEIQI。(2)SHUANGGUANYALIKONGZHI:QIYABUXIAOYU0.7MPa,SHUINIJIANGYALIBUXIAOYU25MPa。

                          3.3.4、 喷射注浆

                          (1)XUANPENZHUJIANGGUOCHENGZHONGTUFASHENGGUZHANG,YINGLIJITINGZHITISHENGJIPENSHEZHUJIANG,BINGJINXINGJIANCHA,PAICHUGUZHANGHOUZAIJINXINGFUPEN;TINGPENBUWEISHANG、XIADEDAJIEZHANGDUDAYU100mm。(2)PENSHEZHUJIANGSHI,YINGMIQIEZHUYISHUIBENG、NIJIANGBENG、FENGYAJIDEYALIJIBENGLIANG(LIULIANG)ZHIBIAO,BIXUDADAOSHEJIYAOQIU。RUGUOYALIHEBENGRONGLIANGBUZU,YINGLIJIDIAOZHENG。(3)PENSHENZHUJIANGYOUXIAERSHANG,BIANTISHENG、BIANXUANZHUAN、BIANPENSHEZHUJIANG,XUANPENGUANFENDUANTISHENGDEDAJIEZHANGDUXUCHAOGUO100mm,QIANGDUYINGDAYU1.2MPa;WEIHUJIFANGSHENWEIMUXIANGLINZHUANGDAJIEBUDEXIAOYU200mm。

                          4 、井点降水施工方案

                          4.1、 基坑轻型井点降水施工方案

                        牛牛游戏厅安卓,{原始关键词}   BENGONGCHENGJIKENGJIANGSHUICHULI:SHOUXIANJINXINGQINGXINGJINGDIANDEDINGWEIFANGYANGBINGKAIWAGOUCAO,QIDUANMIANCHICUNWEI1m×1m,RANHOUCHARUQINGXINGJINGDIANJINXINGJIANGSHUI。KESHIDANGJIANGDIJUBUSHENJIKENG(DIANTIJING、JISHUIJING)ZHUGUANJIZHENKONGBENGDEBIAOGAO。

                          4.2 、施工现场准备

                          (1)XIANJINXINGDINGWEIFANGXIAN,RANHOUKAIWAGOUCAO,QINGCHUZHANGAI。(2)BAOZHENGCHANGDIHECAILIAOJINCHUDAOLUDEPINGZHENGYIJIGONGCHENGCAILIAODEYOUXUDUIFANGDENG。(3)JIANGSHUIFANGANJINGJIANSHEJIANLIDANWEIPIZHUNHOUSHISHI。

                          4.3 、施工工艺流程

                        牛牛游戏厅安卓,{原始关键词}   CHONGKONGSHEBEIDAOWEI,YONGYUZAIGUOLVTOUFENZHIGUANXIADAKONGHEQINGCHUKONG,BINGTIANCHONGGUOLVCAILIAOANZHUANGGUAN,ANZHUANGZHUGUANYUZHENKONGBENGZHIJIANDEJIEKOU,YIJINXINGDIAOSHIHEBENGSHUI。

                          4.4、 施工技术要求

                          (1)CHONGKONG:WEILEBAOCHIJINGDIANTOUSHUIXINGLIANGHAO,DAKONGSHIYINGSHIYONGQINGSHUI,DAKONGSHENDUYINGDAYUSHEJISHENDU。(2)XIALVTOUZHIGUANCAIYONGZHONGCUSHAZUOWEILVLIAOJINXINGHUITIAN。TIANLIAOGAODUYINGDAYULVTOUBIAOMIANDE1-1.5m。HUITIANYINGJUNYUN,YIBIANSHAZIJUNYUNDICHANRAOZAIGUOLVQITOUSHANG,YIQUEBAOZHIGUANBAOCHIYOUXIAO。(3)WEIBIMIANYUSHUILIURUJIKENG,WOMENYINGZAIJIKENGSIZHOUSHANGFANGZUOHAOPAISHUIGONGZUO。

                          4.5 、基坑深井降水施工方案

                          4.5.1 、井点布置

                        牛牛游戏厅安卓,{原始关键词}   BENGONGCHENGBUFENSHENKENGNICAIYONGSHENJINGJINGDIANJIANGSHUISHIGONG,JINGDIANBUZHIBIKAISHUXIANGGEGOUZHU、ZHICHENG,DANKEJINKAOTONGZHICHENG,YIBIANYUTONGZHICHENGGUDING。

                          4.5.2、 降水井构造设计

                          (1)JINGKOU:WEILEFANGZHIJINGNEISHENRUDIBIAOWUSHUI,JINGKOUYINGGAOYUDIMIAN0.5mYISHANG。(2)CHENDIANGUAN:CHENDIANGUANJIEZHILVSHUIGUANDEDIBU,ZHIJINGYULVSHUIGUANXIANGTONG,ZHANGDUYINGWEI0.5m,BINGYINGQIDAOGUOLVQIBUYINJINGNEICHENSHADUSAIERYINGXIANGJINSHUIDEZUOYONG。(3)JINGDIANGUANGUOLVTOUDEBUZHI:GENJUBENGONGCHENGDEZHIHUSHEZHIHEKAIWAGUOCHENG,GONGSHEJILELIANGGEGUOLVTOU。ZHANGDUWEI3m。

                          4.5.3 、降水运行

                          JIANGSHUIYUNXINGDEKAISHIJIEDUANZUOWEIJIANGSHUIGONGCHENGDEZHONGZHONGZHIZHONG,YINGJIZAOTOURUYUNXING,YIBAOZHENGDIXIASHUIZAIKAIWASHINENGGOUJISHIBEIKONGZHIZAIKAIWAMIANYIXIA。ZAIJIKENGKAIWAGONGZUOKAISHIQIAN,YINGJIANGJIKENGNEIDEDIXIASHUIKONGZHIZAIJIKENGKAIWAMIAN1.00mYIXIA。DANBUDEJIANGSHUIGUOSHEN;WEIFANGZHIZAIELIETIANQIQINGKUANGXIAJIKENGNEIJISHUIGUODUODEQINGKUANGFASHENG,YINGZUOHAOJIKENGNEIDEMINGPAISHUICHOUBEIGONGZUO,BINGZAIDAYUTIANQILAILINQIANJIANGJIKENGNEIJISHUITIQIANPAICHU。

                          4.5.4、 疏干井降水要求

                          (1)ZHUYIXUZAIJINXINGJIKENGJIANGSHUIHOUCAIKEJINXINGTUFANGKAIWA,JIANGSHUISHENDUKONGZHIZAIKAIWAMIAN、JIKENGMIANYIJIBUFENSHENKENGDIMIANYIXIA1m。(2)JIANGSHUIYINGZAIKAIWAQIANYIZHOUWANCHENG。KAOJINJIKENGZHOUBIANDESHENJINGYINGQUEBAODIBUJIANGSHUIBUDUIKENGWAICHANSHENGYINGXIANG。(3)WEIFANGZHISIJINGXIANXIANGDEFASHENG,YINGZAIZUOHAOJINGCHANGHEGUANDAODEQINGJIEHEJIANCHAHOU,ZAIJINXINGCHENDIANGONGZUO,ZHUYIGUANCHABINGJISHIJIEJUECHENDIANGUOCHENGZHONGDEQINGJIEWENTI。WOMENKETONGGUOJIAQIANGZAIJIANGSHUIGUOCHENGZHONGDEGUANLILIDU,YIBAOZHANGGUANDAOTONGCHANGHEJINGDIANZHENGCHANGYUNZHUAN。(4)WEIFANGZHIYUSHUILIURU,YINGDANGZAIJIKENGSIZHOUJINXINGPAISHUIGONGZUO。

                          5、 结束语

                          BENWENZHUYAOFENXIJIKENGWEIHUGONGCHENGZHONGSUOYONGDAODEZUANKONGGUANZHUZHUANG,SHUANGZHOUJIAOBANZHUANGYIJIGAOYAXUANPENZHUANGDESHIGONGGONGYIHEJISHUCUOSHI,BINGQIETANTAOLEJIKENGJIANGSHUIGONGCHENGZHONGSUOCAIQUDEQINGXINGJINGDIANJIANGSHUIFANGANYUSHENJINGJIANGSHUIFANGANDEJUTICUOSHI。TONGGUOYISHANGFENXI,JINENGBAOZHENGJIKENGDEANQUANWENDING,YOUNENGBIMIANGONGCHENGCAILIAODELANGFEI,CONGERWEIYEZHUDAILAIGENGDUODEGONGCHENGJIAZHI。

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