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水泥的技术指标要求

信息来源:http://youlepz.com发布时间:广西快32012-02-02 03:29:40

    KEYISHUO,SHUINIZAISHUINIDIANKUAIDESHENGCHANGONGYIZHONGZHANZHEXIANGDANGZHONGYAODEBIZHONG,YINCISHUINIDEGEXIANGZHIBIAOSHIFOUDABIAOJUEDINGZHESHUINIDIANKUAIDECHANPINZHILIANG,YIBANQINGKUANGXIA,DUISHUINIDIANKUAIZHONGSHUINIDEJISHUZHIBIAOYAOZUOYIXIAYAOQIU: 

    1、BUNENGSHOUCHAOJIEYING

  YINWEISHOUCHAOJIEYINGDESHUINIHUIJIANGDISHENZHISANGSHIYUANYOUQIANGDU,SUOYIGUIFANGUIDING,CHUCHANGCHAOGUO3GEYUEDESHUINIYINGFUCHASHIYAN,ANSHIYANJIEGUOSHIYONG。 DUIYISHOUCHAOCHENGTUANHUOJIEYINGDESHUINI,XUGUOSHAIHOUSHIYONG,SHAICHUDETUANKUAICUOXIHUONIANXIHOUYIBANYONGYUCIYAOGONGCHENGDEQIZHUSHAJIANGHUOMOHUISHAJIANG。DUIYICHUHUOYINIEJIFENDESHUINITUANKUAI,KESHIDANGJIANGDIQIANGDUDENGJISHIYONG。

  2、BUNENGPUSHAISUGAN

  HUNNINGTUHUOMOHUIRUCAOZUOHOUBIANZAOPUSHAI,SUIZHESHUIFENDEXUNSUZHENGFA,QIQIANGDUHUIYOUSUOJIANGDI,SHENZHIWANQUANSANGSHI。YINCI,SHIGONGQIANBIXUYANGEQINGSAOBINGCHONGFENSHIRUNJICENG;SHIGONGHOUYINGYANJIAFUGAI,BINGANGUIFANGUIDINGJIAOSHUIYANGHU。

  3、BUNENGFUWENSHOUDONG

  HUNNINGTUHUOSHAJIANGBANCHENGHOU,RUGUOSHOUDONG,QISHUINIBUNENGJINXINGSHUIHUA,JIANZHISHUIFENJIEBINGPENGZHANG,ZEHUNNINGTUHUOSHAJIANGJIUHUIZAODAOYOUBIAOJILIZHUJIANJIASHENDEFENSUPOHUAI。

  4、BUNENGGAOWENKURE

  NINGGUHOUDESHAJIANGCENGHUOHUNNINGTUGOUJIAN,RUJINGCHANGCHUYUGAOWENKURETIAOJIANXIA,HUIYOUQIANGDUSUNSHI,ZHEISHIYOUYUGAOWENTIAOJIANXIA,SHUINISHIZHONGDEQINGYANGHUAGAIHUIFENJIE;LINGWAI,MOUXIEGULIAOZAIGAOWENTIAOJIANXIAYEHUIFENJIEHUOTIJIPENGZHANG。

  5、BUNENGGULIAOBUCHUN

  ZUOWEIHUNNINGTUHUOSHUINISHAJIANGGULIAODESHASHI,RUGUOYOUCHENTU、ZHANTUHUOQITAYOUJIZAZHI,DOUHUIYINGXIANGSHUINIYUSHA、SHIZHIJIANDEZHANJIEWOGUOQIANGDU,YINERZUIZHONGHUIJIANGDIKANGYAQIANGDU。SUOYI,RUGUOZAZHIHANLIANGCHAOGUOBIAOZHUNGUIDING,BIXUJINGGUOQINGXIHOUFANGKESHIYONG。

    6、不能基层脏软
  水泥能与坚硬、洁净的基层牢固地粘结或握裹在一起,但其粘结握裹强度与基层面部的光洁程度有关。在光滑的基层上施工,必须预先凿毛砸麻刷净,方能使水泥与基层牢固粘结。
  
  7、不能受酸腐蚀

  SUANXINGWUZHIYUSHUINIZHONGDEQINGYANGHUAGAIHUIFASHENGZHONGHEFANYING,SHENGCHENGWUTIJISONGSAN、PENGZHANG,YUSHUIHOUJIYISHUIJIEFENHUA。ZHISHIHUNNINGTUHUOMOHUICENGZHUJIANBEIFUSHIJIETI,SUOYISHUINIJISHOUSUANFUSHI。

    8、BUNENGSHUIDUOHUICHOU

  人们常常忽视用水量对混凝土强度的影响,施工中为便于浇捣,有时不认真执行配合比,而把混凝土拌得很稀。由于水化所需要的水分仅为水泥重量的20%左右,多余的水分蒸发后便会在混凝土中留下很多孔隙,这些孔隙会使混凝土强度降低。因此在保障浇筑密实的前提下,应最大限度地减少拌合用水。
  

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