粉煤灰混凝土抗压强度计算模型

粉煤灰混凝土抗压强度动态计算模型建立了粉煤灰强度效应因子与粉煤灰火山活性指数、粉灰掺量、水胶比、龄期等主要参数之间的直接系数。根据模型可由试验测出２８天时粉煤灰活性指数及选用的原材料配合比等，用于预测不同龄期时粉煤灰强度效应，对高掺量粉煤灰混凝土的设计提供指导。

CALCULATION MODEL OF FLY ASH CONCRETE'S COMPRESSIVE STRENGTH

The dynamic calculation model of fly ash concrete's compressive strength has established the fly ash concrete's strength effective factors,the ash concrete's admixture ratio,the water cement ratio,and the concrete's curing age etc.,among those main parmeters and their direct coefficients.Based upon the model's experiments,a 28 d fly ash concrete activity index and the mixing ratio of raw building materials could be well obtained so that the predications of fly ash concrete' s compressive strength at their various curing ages could have been achieved therefore,the design of a high admixture fly ash concrete could be eventually obtained and provided duly,guidance.