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选购防水套管需要注意的几个方面

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选购防水套管需要注意的几个方面

来源:公司编辑 发布时间:2020-07-11 16:08 热度:94

  ZAIMINFANGQIANG,XUSHUICHIDENGGUIDINGHENGAODEDIQU,FANGSHUITAOGUANTONGCHANGYONGZAIBIESHUDIXIASHIDENGGUANLUYINGCHUANGUANLUDEBUWEI。

  FANGSHUITAOGUANDEDIANJIXUANXINGHEHUDANGJINDEGUANDAOTEDIAN。ZAITIAOXUANFANGSHUITAOGUANSHI,GUANJIANKAOLVDAOXIALIECENGMIAN:

  01、 防水套管沉定时间。

  DANGHUNNINGTUCHENDINGSHI,XIEGUANCHENDIANCHIDECHENDINGSHIJIANYINGYIJUYUANSHUISHUITIWENDUDENG,CANKAOLEISIBIAOZHUNXIADEYUNZUOGONGZUOJINGYANQU。DANGYUANSHUIYIBAOHEDUHUOTURANGYOUJIZHIZHUDAOSHI,HUODUICHAODIWENSHUIDECHENDING,CHENDINGSHIJIANJINKENENGTIGAO;

  DANGYUANSHUIYIWUNIZHIZHUDAO,QIEHUNZHUODUSHIDUSHI,CHENDINGSHIJIANJINKENENGJIANSHAO;CHENDINGSHICHISHENPIANQIANDEHUAYINGQUYONGJIAODUANDECHENDINGSHIJIAN。DANGYINBUJUJIANNANERCAIYONGJIAODIKONGSHUILIULIANGSHI,YINWEICHENSHACHIDERONGJILIYONGXISHUJIANGHUIJIANSHAO,YINCIYISHIDUTISHENGCHENDINGSHIJIAN。

  02、 表层负荷率。

  BIAOCENGFUHELVBIECHENGYILIUSHILV,SHILIXIANGHUACHENSHACHIJUECECHENDINGGAOXIAOLVDEZHIBIAOZHI。BIAOCENGFUHELVYINGYIJUYUANSHUISHUITIDEHUNZHUODUQUQU。

  03、 水准水流量。

  SHUIZHUNSHUILIULIANGDETISHENG,YOUYIYUCHENSHACHIRONGJIDEYUNYONG,JIANGDIDUANLIUDEWEIHAI,YOUWENDONGZAOCHENGDEXUNINGGONGXIAOHAIKEYIHUODETISHENG,DANSHUIZHUNSHUILIULIANGDETISHENGYESHILIUSHUIYINWENDONGERDAISHANGKELIWUDEGONGXIAOTIGAO。

  DANGSHUILIULIANGTINGDASHI,HAIHUIDAOZHIDUISHUICHICHENNIDEQINSHI。LIXIANGHUACHENSHACHIDESHUIZHUNSHUILIULIANGYAOYICAOZONGSHUICHIQINSHIDESULVWEIXIANZHI。XIANJIEDUANJUEDE《BIAOZHUN》ZHONGYAOQIUDESHUIZHUNSHUILIULIANGWEI5-20mm/sPIANXIAO,TIYISHEJIFANGANAN10-25mm/sFANCHOUCAIYONG。

  04、 雷诺数Re及佛鲁德数Fr。

  LEINUOSHUJIFOLUDESHUQUANSHITIXIANLIUSHUIQINGKUANGDEZHIBIAOZHI。LEINUOSHUSHIFENBIANLIUSHUIGUISHUYUCENG.LIUHUANSHIWENLIUDEZHIBIAOZHI,LEINUOSHUDIYU500LIUSHUICHUZAICENG.LIU;CHAOGUO2000LIUSHUICHUZAIWENLIU;DABUFENGUANCHENSHACHIXIELEINUOSHUWEI20-40ZHONGJIAN。

  FrSHUYUEDA,GUANXINGLIJUDEGONGXIAOYUEDA,DIDANGGANNAODEGONGZUONENGLIYUEQIANG,LIUSHUIYEPINGWEN,XIEGUANCHENDIANCHIZHONGSHUILIBANJINGDEZHUANBIANFANCHOUBUDA,YINERFrSHUSHISHISHANG TINGDASHUIPINGJUECEYUSHUIZHUNSHUILIULIANG。

  05 、防水套管中套定额时按被防水套管的管经来套,辅材成本价也按被防水套管的管经计算出来。房间内通常钢套管的套定额时也按被防水套管的管经来套,但辅材成本价按被防水套管的管经大俩号计算出来。

  ZONGSHANG,WOMENKANCHUCONGFANGSHUITAOGUANCHENDINGSHIJIAN、BIAOCENGFUHELV、SHUIZHUNSHUILIULIANG、LEINUOSHUReJIFOLUDESHUFrDENGFANGMIAN,JUNNENGGOUKANCHUFANGSHUITAOGUANDEYOULIESHI,YINCIZAIXUANGOUFANGSHUITAOGUANSHIYAOZONGHEKAOLVGEGEFANGMIANXUANGOUJIAOYOUCHANPIN。

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