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background="/im/gs_t_line.jpg"> </td> </tr> </table><div class="content"> <div class="newtitle">砂子能不能添加在?；⒅楸厣皾{中使用？</div> <div style="text-align: center;background-color:#F7F7F7">發布時間：2013/2/21 18:26:57 來源：<span class="infoCol">本站原創</span> 點擊：<Script Language="Javascript" Src="/item/GetHits.asp?Action=Count&GetFlag=0&m=1&ID=1378"></Script>次 <script type="text/javascript" language="javascript"> function ContentSize(size) {document.getElementById('MyContent').style.fontSize=size+'px';} </script> 字體：<a href="javascript:ContentSize(16)">大</a> <a href="javascript:ContentSize(14)">中</a> <a href="javascript:ContentSize(12)">小</a> </div> <div style="margin-top:20px;"><div id="MyContent"><p> <!--[if gte mso 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style="margin-bottom:0pt; margin-top:0pt; text-align:left; line-height:160%; background:rgb(255,255,255); "> <span style="mso-spacerun:'yes'; color:rgb(102,102,102); font-size:10.5000pt; font-family:'宋體'; "> </span></p> <p class="p0" style="margin-bottom:0pt; margin-top:0pt; text-align:left; line-height:160%; background:rgb(255,255,255); "> <span style="mso-spacerun:'yes'; color:rgb(102,102,102); font-size:10.5000pt; font-family:'宋體'; "> </span><span style="mso-spacerun:'yes'; color:rgb(102,102,102); font-size:14.0000pt; font-family:'宋體'; ">首先</span><span style="mso-spacerun:'yes'; color:rgb(102,102,102); font-size:14.0000pt; font-family:'宋體'; ">，</span><span style="mso-spacerun:'yes'; color:rgb(102,102,102); font-size:14.0000pt; font-family:'宋體'; ">砂子是什么</span><span style="mso-spacerun:'yes'; color:rgb(102,102,102); font-size:14.0000pt; font-family:'宋體'; ">？</span><span style="mso-spacerun:'yes'; color:rgb(102,102,102); font-size:14.0000pt; font-family:'宋體'; ">砂子多為人工制造，或是從人工從某些石塊上打磨下來的，顆粒相對更大一些，飽滿感更強一些，拿在手中能清晰地感覺到有顆粒存在。 </span></p> <p class="p0" style="margin-bottom:0pt; margin-top:0pt; text-align:left; line-height:160%; background:rgb(255,255,255); "> <span style="mso-spacerun:'yes'; color:rgb(102,102,102); font-size:14.0000pt; font-family:'宋體'; "> </span><span style="mso-spacerun:'yes'; color:rgb(102,102,102); font-size:14.0000pt; font-family:'宋體'; ">其次</span><span style="mso-spacerun:'yes'; color:rgb(102,102,102); font-size:14.0000pt; font-family:'宋體'; ">，</span><span style="mso-spacerun:'yes'; color:rgb(102,102,102); font-size:14.0000pt; font-family:'宋體'; ">砂子有什么樣的應用：1.在混凝土中，能同水泥分子相結合，增加水泥分子的擴散面積，形成水泥漿后，增強水泥的水化作用。2.具有一定的潤滑作用，改善混凝土拌合物的和易性。3.在各類砂漿中起到骨料作用，并可有效地節省膠結材料。4.填充石子顆粒間的空隙，與石子一起共同起到骨架作用，提高混凝土的密實性和強度。5.在水泥水化過程中，有效地降低水泥水化熱，抑制水泥因物理、化學反應體積變化時裂縫的產生。6.可在膨脹土、冰凍土等不良土層中充當墊層，起到了保護作用。</span></p> <p class="p0" style="margin-bottom:0pt; margin-top:0pt; text-align:left; line-height:160%; background:rgb(255,255,255); "> <span style="mso-spacerun:'yes'; color:rgb(102,102,102); font-size:14.0000pt; font-family:'宋體'; "> 了解到上述沙子的作用后，我們發現沙子可以起到抗裂效果，一般可以用到保溫層表面的抗裂層上，但是沙子的導熱系數較高，添加在</span><span><a href="http://www.credibletarget.net"><span class="15" style="mso-spacerun:'yes'; color:rgb(0,0,255); font-weight:bold; text-decoration:underline ;font-size:14.0000pt; font-family:'宋體'; ">?；⒅?/span></a></span><span style="mso-spacerun:'yes'; color:rgb(102,102,102); font-size:14.0000pt; font-family:'宋體'; ">保溫砂漿中易增加砂漿容重，且導熱系數達不到規范要求，一些個別的施工單位偷工減料，在</span><span><a href="http://www.credibletarget.net"><span class="15" style="mso-spacerun:'yes'; color:rgb(0,0,255); font-weight:bold; text-decoration:underline ;font-size:14.0000pt; font-family:'宋體'; ">?；⒅楸厣皾{</span></a></span><span style="mso-spacerun:'yes'; color:rgb(102,102,102); font-size:14.0000pt; font-family:'宋體'; ">中添加砂子以節省水泥和?；⒅橛昧?，但是工程質量堪憂，所以</span><span><a href="http://www.credibletarget.net"><span class="15" style="mso-spacerun:'yes'; color:rgb(0,0,255); font-weight:bold; text-decoration:underline ;font-size:14.0000pt; font-family:'宋體'; ">中凱公司</span></a></span><span style="mso-spacerun:'yes'; color:rgb(102,102,102); font-size:14.0000pt; font-family:'宋體'; ">建議您?；⒅楸厣皾{不添加砂子為宜！</span></p> <p class="p0" style="margin-bottom:0pt; margin-top:0pt; "> </p> </div> <p> </p></div> </div> <div style="background-color:#F7F7F7;margin-top:15px;padding:10px;">上一條：<a href="/html/xwzx/jszs/1374.html" title="?；⒅榈氖褂米⒁馐马?>?；⒅榈氖褂米⒁馐马?/a><br /> 下一條：<a href="/html/xwzx/jszs/1379.html" title="?；⒅楸厣皾{質量鑒別方法">?；⒅楸厣皾{質量鑒別方法</a> <div> <div style="text-align: right;">【<a href="javascript:window.print();">打印此文</a>】【<a href="javascript:window.close();">關閉窗口</a>】</div> </div> </div> </div> </td> <td width="230" align="right" valign="top"><table width="215" border="0" cellpadding="0" cellspacing="0" class="right_k"> <tr> <td width="213" align="left" class="right_t_bg">公司概況</td> </tr> <tr> <td align="left"><div id="right_list"> <ul> <li><a 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