甘肃11选5

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热门关键词:甘肃11选5 顶管非开挖 顶管施工 电力牵引管

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顶管施工现场

来源:nmyf6.com/dgsgc/9.html
时间:2020-01-10

顶管施工就是非开挖施工方法,是一种不开挖或者少开挖的管道埋设施工技术。顶管法施工就是在工作坑内借助于顶进设备产生的顶力,克服管道与周围土壤的摩擦力,将管道按设计的坡度顶入土中,并将土方运走。一节管子完成顶入土层之后,再下二节管子继续顶进。其原理是借助于主顶油缸及管道间、中继间等推力,把工具管或掘进机从工作坑内穿过土层一直推进到接收坑内吊起。管道紧随工具管或掘进机后,埋设在两坑之间。

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

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来源:nmyf6.com/dgsgc/9.html
时间:2020-01-10