The analysis indicates that micropacking silica fume works to the density and relative density of RPC, and its pozzolanic effect helps the strength of RPC. 硅灰的微填充效应有利于提高活性粉末混凝土的密度和相对密度,而火山灰效应有利于提高其强度。
Airflow membrane-forming treatment with aluminium chloride as membraneforming agent was carried out after pretreatment of silica grey powder. 论述先对硅灰石粉进行预处理,然后用三氧化铝等包膜剂对其进行气流包膜处理。