摘要
为解决三峡库区移民工程新型墙体材料问题，针对当地资源分布，对风化花岗岩砂磷矿渣石灰加气混凝土的生产工艺参数和微观结构进行了研究，结果表明：采用风化花岗岩砂作为主要硅质材料，磷矿渣作为部分钙质代替材料，可以在低水泥用量下生产出满足国家标准的加气混凝土制品；该体系的主要水化产物是ＣＳＨ（Ⅰ）、托勃莫来石、水石榴子石．对风化花岗岩砂、磷矿渣采用混合湿磨新工艺，能有效改善水化产物分布的均匀性，使制品性能得以提高．
Based on the local sources, a new kind of aerated concrete containing efflorescence sand phosphorus slag lime was studied in order to develop the new type wall materials for the Three Gorges Migration Project. The result indicated that by taking the efflorescence sand as the main silicate material and phosphorus slag as a part of substitute materials of calcium, qualified aerated concrete under the low dosage of cement could be produced. The analysis of the microstructure showed that the main hydration products are CSH(Ⅰ), Tobermorite and hydrogarnet in this system. By using wet grinding mixture of the efflorescence sand and phosphorus slag, the distribution of the hydration product can be improved effectively, which is helpful in the improvement of product quality.
出处
《建筑材料学报》
EI
CAS
CSCD
1999年第3期223-229,共7页
Journal of Building Materials
基金
湖北省科委科技攻关项目
关键词
加气混凝土
风化
花岗岩砂
磷矿渣
强度
aerated concrete
efflorescence sand
phosphorus slag
wet grinding
strength
