摘要
粉煤灰掺量多少对砂浆的技术性能与经济效益具有重要影响。本文比较全面地论述了粉煤灰掺量的选定因素、考核指标，并且通过实际事例介绍粉煤灰掺量的选定方法。
The amount of fly ash addition has an important influence on properties and economical benefit of the mortar. The paper describes the determination of suitable content of fly ash and target for evaluation. Some practical examples are given to demonstrate the selection of fly ash content.
