凝灰结构,是粒度小于2毫米的火山碎屑物含量超过75%,被细小的火山碎屑物(通常为火山尘)胶结而成的岩石结构。是玻屑凝灰岩的典型结构。
采用在水泥浆体中掺加硅灰作为改善界面结构的主要手段,通过界面结构的改善说明界面结构与界面性能和混凝上性能的关系。
Improvement of the structure of interface by adding silica fume and relationship between structure and properties of interface based on the improvement.
此外,高火山灰性(凝硬性)灰可以通过控制燃烧来产生,此时,二氧化硅保持在非结晶形式和蜂窝状结构。
In addition, highly pozzolanic ash can be produced by means of controlled combustion, when silica is kept in non-crystalline form and cellular structure.
应用推荐