%0 Journal Article
%T 粉煤灰掺量对简化权重成熟度法预测准确性的影响<br>The Amount of Fly Ash Influence to Prediction Accuracy Using the Simplified Weighted Maturity Method
%A 罗启灵
%A 王卫仑
%A 龙武剑
%J Hans Journal of Civil Engineering
%P 119-126
%@ 2326-3466
%D 2015
%I Hans Publishing
%R 10.12677/HJCE.2015.43015
%X <div style=\"text-align:justify;\">
	<span style=\"line-height:1.5;\">本文结合东部过境高速公路连接线工程，应用简化权重成熟度预测粉煤灰混凝土早期抗压强度，研究表明，(预测值/实测值)均值1.00，变异系数6.5%，预测准确性高；在水胶比0.45和胶凝材料400 kg/m<sup>3</sup>固定的情况下，不同粉煤灰掺量的强度预测公式的斜率相同、截距不同，粉煤灰掺量每增加10%，截距减少5 MPa。&lt;br/&gt;In this paper, the early compressive strength of fly ash concrete is predicted in the Shenzhen east-ern transit expressway connecting line project, using the Simplified Weighted Maturity Method. The result of the study shows that: the mean value (predicted value/measured strength) is 1.00; the C.V is 6.5% and the prediction accuracy is high. Under the condition of W/B 0.45 and cementitious material 400 kg/m<sup>3</sup>, the slope of the strength prediction formula for different fly ash concrete is same and the intercept is different. When fly ash content increases 10%, the intercept reduces 5 MPa.</span><span style=\"line-height:1.5;\"></span>
</div>
%K 简化权重成熟度法，早期抗压强度，预测，粉煤灰<br>The Simplified Weighted Maturity Method
%K Early Compression Strength
%K Prediction
%K Fly Ash
%U http://www.hanspub.org/journal/PaperInformation.aspx?PaperID=15221