发明名称 |
Production of porous concrete comprises mixing sand, fine lime, cement, gas former and optionally a sulfate or sulfate carrier and water form a slurry, pouring into molds, and leaving to solidify |
摘要 |
<p>Production of porous concrete comprises mixing sand, fine lime, cement, gas former and optionally a sulfate or sulfate carrier and water form a slurry; pouring into molds; and leaving to solidify. The grain distribution of the sand is adjusted to control the strength, E-modulus, density and/or heat conductivity of the hardened concrete so that a fine SiO2-rich fraction is present and forms calcium silicate hydrate (CSH) phases, especially tobermorite, with the lime present. Preferred Features: A CaO/SiO2 ratio of 0.6-0.95 is produced. The sand component is ground quartz or ground quartz sand having a grain size of not more than 50 mu m with a distribution maximum of 5-30 mu m.</p> |
申请公布号 |
DE10041368(A1) |
申请公布日期 |
2002.03.07 |
申请号 |
DE2000141368 |
申请日期 |
2000.08.23 |
申请人 |
YTONG DEUTSCHLAND AG |
发明人 |
ZUERN, SIEGFRIED;HUBER, MICHAEL |
分类号 |
C04B28/18;(IPC1-7):C04B40/00;B28C5/00;C04B38/00 |
主分类号 |
C04B28/18 |
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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