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style="font-family:SimSun;font-size:18px;line-height:2;">    水灰的比例越,q羃的程度越,产生裂缝的机?x)就小Q用寿命也?x)更长久。所以水灰的比例可以军_混凝土的密实度如何。另外水泥的用量同样也会(x)影响混凝土的密实度和耐久?Q所以尽量减水泥的用量?/span><br /> <span style="font-family:SimSun;font-size:18px;line-height:2;">3、选择合格的骨?/span><br /> <span style="font-family:SimSun;font-size:18px;line-height:2;">    骨料在؜凝土中占据了(jin)80%的体U,能够很好的抑制水泥石的收~,所以在使用水惔制管机的时候一定要选择质量较好、条件合格的砂、石骨料Q生产出来用寿命才能更长久?/span><br /> <span style="font-family:SimSun;font-size:18px;line-height:2;">4、用适量外加?/span><br /> <span style="font-family:SimSun;font-size:18px;line-height:2;">    Z(jin)增加混凝土的抗渗、抗L能Q可以用适量引气剂。ؓ(f)?jin)提升؜凝土的抗裂性能Q可以用一些减水剂Q可以发挥降低水灰比、减水泥用量、减泌水等作用。用外加剂Q有时还能节U水泥的用量?/span><br /> <span style="font-family:SimSun;font-size:18px;line-height:2;">5、保障؜凝土的施工质?/span><br /> <span style="font-family:SimSun;font-size:18px;line-height:2;">    在制作؜凝土的时候,需要通过水惔制管机来q行施工操作Q要严格按照操作标准在规定的旉q行搅拌Q要把؜凝土搅拌均匀q振捣密实,保障混凝土的施工质量?/span><br /> <span style="font-family:SimSun;font-size:18px;line-height:2;">6、及(qing)时养护很重要</span><br /> <span style="font-family:SimSun;font-size:18px;line-height:2;">    混凝土浇{之后,需要及(qing)时进行养护,比如夏天的时候؜凝土中的水分?x)很快蒸发,造成脱水的情况,从而导致؜凝土表面?x)出现片状或_状p的现象,甚至q(sh)(x)出现q羃裂纹。所以؜凝土筑完毕后,初期L工作非常重要Q需要立刻进行养护?/span><br /> </div> <div id="xzmwzvi" class="pagess"> <ul> <div>上一?<a href="272.html">水惔有什么好的用?</a></div> <div>下一?<a href="270.html">如何判定水惔等水惔制品的质?/a></div> </ul> </div> <div id="gviwgqv" class="info_key"> <span>此文关键字:(x)</span> <a href='/key.aspx?k=%e6%b0%b4%e6%b3%a5%e5%88%b6%e5%93%81'>水惔制品</a>, </div> </div> <div id="9cpvu9v" class="clear"></div> <div id="fo4a4mo" class="cateslist xgxinwen"> <dl> <dt>相关新闻</dt> <dd> <div id="iplfjqn" class="txt xiangguan-x"><a href="/news/271.html" title="如何廉水惔制品的用寿?">如何廉水惔制品的用寿?</a></div> </dd> <dd> <div id="850wxs9" class="txt xiangguan-x"><a href="/news/233.html" title="水惔制品水惔与钢管的连接方?>水惔制品水惔与钢管的连接方?/a></div> </dd> <dd> <div id="e5frav5" class="txt xiangguan-x"><a 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