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当前位置:网站kpl竞猜平台 > 施工技术 > 在非开挖顶管工程施工的过程中有哪些值得注意的问题?

在非开挖顶管工程施工的过程中有哪些值得注意的问题?

来源:kjccz.com 日期: 2019-10-14 9:05:51

kpl竞猜平台 FEIKAIWADINGGUANGONGCHENGQISHIJIUSHIZHIZAIBUKAIWAHUOZHIKAIWASHAOLIANGZUOYEKENGDETIAOJIANXIA,LIYONGYANTUZUANJUEJISHUJINXINGPUSHE、XIUFUHEGENGHUANGUANDAO。SUIZHECHENGSHIJIANSHEDENENGBUDUANJIAKUAI,DIMIANSHANGDESHIZHENGJIANZHUYUELAIYUEDUO,KAIWASHIGONGSHIDAOLUZHILIANGBIANCHA、POHUAIHUANJING,YIJINGBUZAISHIYONG,SUOYIMUQIANFEIKAIWADINGGUANGONGCHENGBEIGUANGFANCAIYONG,NEIMEWOMENZAIFEIKAIWADINGGUANGONGCHENGSHIGONGDEGUOCHENGZHONGHUIYOUNAXIEZHIDEZHUYIDEWENTINI?

 

工程地质和水文地质条件沿管线土层变化频繁,所以在非开挖顶管工程施工前需要了解土层的变化情况


一、在非开挖顶管工程施工过程中常会遇到如下值得注意的问题:

1、GONGCHENGDIZHIHESHUIWENDIZHITIAOJIANYANGUANXIANTUCENGBIANHUAPINFAN,SUOYIZAIFEIKAIWADINGGUANGONGCHENGSHIGONGQIANXUYAOLEJIETUCENGDEBIANHUAQINGKUANG:CIWAIDUIYUYAOJINGGUOHUITIANTUDIDUAN,XUYAOTIQIANJIAGUCHULI,YIFANGDINGGUANSHIGONGHOUDIBIAOYOUGUODADEXIACHEN。

kpl竞猜平台 2、YOUDUQITIDEJIANCEYUFANGHUDINGGUANSHIGONGDEDICENGYIBANHUITONGGUOYUNICENG,FULANDONG、ZHIWUTIHUIZAIDIXIAXINGCHENGYOUDUQITIJUJITI,WEIHAIFEIKAIWADINGGUANGONGCHENGSHIGONGRENYUANDEJIANKANGHESHENGMING,SUOYIYOURENYUANZAIDINGGUANNEICAOZUODEQINGKUANGXIA,XUYAODINGSHIJIANCEGUANNEIYOUDUQITIHANLIANG,CAIYONGTONGFENGZHUANGZHIYUYIJIEJUE。

 

超前探查地下管线,尽管先进的顶管设备具有在非开挖顶管工程施工时探查前进路线不远距离管线的能力


3、CHAOQIANTANCHADIXIAGUANXIAN,JINGUANXIANJINDEDINGGUANSHEBEIJUYOUZAIFEIKAIWADINGGUANGONGCHENGSHIGONGSHITANCHAQIANJINLUXIANBUYUANJULIGUANXIANDENENGLI,DANSHICAIYONGZAIDIMIANTIQIANCHAMINGDIXIAGUANXIANRENGSHIZHIDEKAIZHANDE,ZHEIDUIYUBAOZHANGTONGXUN、DIANLI、SHANGSHUI、PAISHUI、MEIQIDENGQITAGUANXIANANQUANYUNYING,QUEBAOGONGZHONGZHENGCHANGSHENGHUORENGYOUBIYAO。

kpl竞猜平台 4、CHUANYUEJIANZHUSHIDUIJICHUDETANCHADINGGUANZAIJIANZHUWUJICHUXIASHIGONGSHI,XUYAOMINGQUEFEIKAIWADINGGUANGONGCHENGSHIGONGLUXIANSHANGSUOYUDAODEJICHULEIXING,DUIYUBUFENJICHUDINGGUANDINGJINQIANKECAIQUTUOHUAN、JIAGUCUOSHI。

5、DINGJINJISUANDINGJINJISUANQIYIBAOKUOZHUNQUEJISUANDINGJINTUILI,GENJUJISUANJIEGUOXUANDINGXIANGYINGDEYOUGANGLEIXINGHEQUEDINGZHONGJIJIANDEFENBU;QIERSHIGONGZUOJINGSHEJI,GENJUJISUANDEDAODEJIAODADINGLI,TICHUGONGZUOJINGDEJIAGUFANGAN。

 

非开挖顶管工程施工是继盾构施工之后而发展起来的一种地下管道施工方法


二、非开挖顶管工程施工的原理:

FEIKAIWADINGGUANGONGCHENGSHIGONGSHIJIDUNGOUSHIGONGZHIHOUERFAZHANQILAIDEYIZHONGDIXIAGUANDAOSHIGONGFANGFA,TABUXUYAOKAIWAMIANCENG,BINGQIENENGGOUCHUANYUEGONGLU、TIEDAO、HECHUAN、DIMIANJIANZHUWU、DIXIAGOUZHUWUYIJIGEZHONGDIXIAGUANXIANDENG。DINGGUANSHIGONGJIEZHUYUZHUDINGYOUGANGJIGUANDAOJIANZHONGJIJIANDENGDETUILI,BAGONGJUGUANHUOJUEJINJICONGGONGZUOJINGNEICHUANGUOTUCENGYIZHITUIDAOJIESHOUJINGNEIDIAOQI。YUCITONGSHI,YEJIUBAJINSUIGONGJUGUANHUOJUEJINJIHOUDEGUANDAOMAISHEZAILIANGJINGZHIJIAN,YIQISHIXIANFEIKAIWAFUSHEDIXIAGUANDAODESHIGONGFANGFA。

在非开挖顶管工程施工中流行的有三种平衡理论:气压平衡、泥水平衡和土压平衡理论。【具体可参考《管道非开挖工程工程要求高,施工注意事项要记牢》的相关内容】

 

TONGGUOWENZHANGDEYUEDU,XIANGBIDAJIADOUYIJINGLEJIELEFEIKAIWADINGGUANGONGCHENGSHIGONGDETEDIANLE,WOMENXUYAOZUODEJIUSHIZHENDUIBUTONGDEDIZHIQINGKUANG、SHIGONGTIAOJIANHESHEJIYAOQIU,XUANYONGYUZHISHIYINGDEDINGGUANSHIGONGFANGSHI,BINGQIEZHUYIDAOGUOCHENGZHONGDEGEXIANGWENTI。GANXIENINDEYUEDU。

 

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