|
<TABLE height="100%" cellSpacing=0 cellPadding=0 width="99%" border=0>
<TR>
<TD vAlign=top height=*>
<TABLE cellSpacing=1 cellPadding=1 width="100%" border=0>
<TR>
<TD class=tb>
<>请教,</P>
<P> 我的C50钢钎维砼为何用P0525.5水泥,砂率达44%,水灰比为0.41;用中砂,0.5-20mm碎石;掺高效减水剂0.9%.但坍落度才10mm(人工拌合),水泥用量为480Kg;且28天强度才57.3MPa;</P>
<P> 有哪位同行高手请指教一下,或有此方面的配合比传来参考下好吗.谢谢.QQ547209989</P></TD></TR></TABLE></TD></TR>
<TR>
<TD height=40>
<TABLE cellSpacing=0 cellPadding=0 width="100%" border=0>
<TR>
<TD class=gray>--------------------------------------------------------</TD></TR></TABLE></TD></TR></TABLE> |
|