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20G无缝钢管的防腐处理是怎样的

日期:2019-11-22 10:30:27 | 信息来源:http://xbcn9.com

  云南20G无缝钢管内防腐层的施工,水泥砂浆面料施工,通常状况下应在云南20G无缝钢管铺设完毕、试压合格并按规划央求覆土夯实后进行。面料施工过程中,管道有必要处于安稳状况。假定先做面料防腐层后下管,则会由于钢管壁薄、刚度小,在施工中起吊、运送、还土时发生较大变形而损坏防腐层。

  MIANLIAOSHIGONGQIAN,GUANNEIBIYOUBIYAOJINXINGDASAO,QUDIAOSONGRUANDEYANGHUAPI、FUXIU、NITU、YOUZHI、HANZHADENGFUZHEWU;GANGGUANNEIBIDETUQIDUBUDEDAYUFANGFUCENGGUIHUAHOUDUDE1/3;GUANDAODEZUIDASHUXIANGBIANXINGBUDEDAYUGUIHUAGUIZE,QIEBUDAYUGUANDAONEIJINGDE2BAIFENZHI。

广西快三走势图  YUNNAN20GWUFENGGANGGUANNEIFANGFUCENGSHIGONGSHUINISHAJIANGNEIFANGFUCENGKEXUANYONGJIXIEPENTU、RENGONGMOYA、TUOTONGHUOLIXINYUZHIFASHIGONG。JIADINGYOUBIYAOYONGYUZHIFAZUONEIFANGFUCENGSHI,ZAIYUNSONG、SHEBEI、HUITIANTUGUOCHENGZHONGYINGDUIFANGFUCENGXUANYONGBAOHUCUOSHI。SHIGONGSHI,SHOUYAOBANZHISHUINISHAJIANG,SHUINIYUSHADEZHILIANGXIEZUOBIWEI1:(1-2),SHUINISHAJIANGDETANLUODUWEI60-80 mm,SHUINISHAJIANGDEKANGYAQIANGDUBUGAIDIYU30 MPa.

  JIXIEPENTUFASHIGONGDESHUINISHAJIANGNEIFANGFUCENGWAIBIAOGUANGHUA、XIMI,HOUDUJUNYUN,XIAOGUOJIAOHAO。GUOWAI20SHIJI30NIANDAIKAISHIXUANYONGJIXIEPENTUSHIGONG,WOGUOZI60NIANDAISHIXIANHOUZAISHANGHAI、QINGDAO、DALIANDENGCHENGSHIYUNYONG。DANGXUANYONGJIXIEPENTUFASHIGONGSHI,DUIWANTOU、SANTONG、TEBIEGUANJIANHEZHAFAAIJINGUANDUANDENGJUNKEXUANYONGSHOUYITUGAI,BINGYIGUANGHUADETUBIANDUANYUJIXIEPENTUMIANLIAOXIANGJIE。


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