发明名称 |
HEAT TREATMENT OF SILICA FUME AND HIGH STRENGTH CEMENT |
摘要 |
<p>PURPOSE:To obtain modified silica fume capable of giving cement or concrete having qualities comparable or superior to those of conventional cement or concrete even using a decreased amount of the additive by heat-treating silica fume under specific condition. CONSTITUTION:Silica fume is heat-treated at 400-900 deg.C for 2-30min. Cement compounded with the silica fume treated under the above condition develops improved strength compared with cement containing silica fume free from heat-treatment.</p> |
申请公布号 |
JPH03197341(A) |
申请公布日期 |
1991.08.28 |
申请号 |
JP19890334989 |
申请日期 |
1989.12.26 |
申请人 |
MITSUBISHI MATERIALS CORP |
发明人 |
FUJISAWA HIROYUKI;ASAKURA ETSURO;FUKADA YASUHIRO;NAKAMURA TOSHIYUKI |
分类号 |
C04B22/06;C04B7/24;C04B18/14 |
主分类号 |
C04B22/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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