The result shows that high content fly ash active powder concrete has small volumetric shrinkage and excellent anti-carbonization resistance to penetration of chlorine ion and to sulfate corrosion.
研究结果表明，大掺量粉煤灰活性粉末混凝土具有较小的体积收缩率，抗碳化、抗氯离子渗透、耐硫酸盐浸蚀性优异。
A new method of volumetric deformation measurement is proposed, which can measure the shrinkage of cement paste from initial setting.
提出了密封试样细管排液的体积变形测定方法，该方法可测定水泥石自初凝起的收缩。
The results show that: the alter of volumetric shrinkage decreases with the increase of fiber content added in cement, the maximum relative volumetric shrinkage decreases by 38.3%.
研究结果表明，随着纤维产量的增加，水泥石的体积收缩率减少，最大相对体积收缩率下降了38.3% ；
The result indicated that the residual stress in the product produced by optimized project was decreased obviously, the volumetric shrinkage was homogeneous and the defect became slight.
结果表明，优化工艺后成型的复杂壳体制件的残余应力明显减小，体积收缩也比较均匀，缺陷明显减轻。
The result indicated that the residual stress in the product produced by optimized project was decreased obviously, the volumetric shrinkage was homogeneous and the defect became slight.
结果表明，优化工艺后成型的复杂壳体制件的残余应力明显减小，体积收缩也比较均匀，缺陷明显减轻。
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