Condensed silica fume is to be added to reduce the permeability of the concrete.
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2. 掺入硅灰将增大高性能混凝土的自收缩。
The incorporation of silica fume increases the self shrinkage of HPC.
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3. 硅灰是一种极细的火山灰质的高活性二氧化硅。
Microsilica is a sort of tiny pozzolana with high-active silicon dioxide.
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4. 研究了硅灰对硬化水泥浆体早期收缩的影响 。
Influence of superplasticiser on early shrinkage and total shrinkage of concrete;
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5. 比较不同硅灰掺量时硅酸盐水泥固化体对铀的滞留能力。
The results indicate that silica fume can improve the retention capabilities of portland cement for uranium.
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6. 偏高岭石混凝土的抗硫酸盐侵蚀能力不低于掺硅灰的混凝土。
And concrete prepared with Metakoalin will be just as good as concrete prepared with silica fume in terms of resistance to sulphate attack.
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7. 探讨不同掺量的硅灰对水泥净浆与砂浆性能及砂浆结构的影响。
The effect of the content of silica fume on the structure and property of the cement mortar and property of the cement paste were investigated.
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8. 本文研究了硅灰、超细矿渣对高强混凝土坍落度和强度的影响。
The effect of silica ash and superfine slag on the slump and strength of high strength concrete are studied.
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9. 硅灰是用以研究混凝土用的活性火山灰质材料的理想模型材料。
Silica fume is considered as an ideal modelling material for reactive pozzolans used in concrete.
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10. 富硅灰岩-三叠世侵入岩-构造裂隙系统是主要控矿因素。
The main ore controlling factors are wollastonite rich rocks, Tertiary intrusive rocks and structural fissures system .
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11. 结果表明，由于硅灰的加入，使混凝土各方面性能明显得到改善。
The result indicated that siliceous lime's adding improved the concrete performance of many aspects markedly.
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12. 研究了复掺粉煤灰、矿渣、硅灰的多组分水泥基材料的水化放热行为。
The hydration exothermic action of multi-component cement based materials blending with fly ash, slag and volatilized silica was studied.
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13. 此外，外加剂的掺量和水胶比的大小对硅灰混凝土强度的影响也很明显。
In addition, the admixture of glue and water content than the size of silica fume concrete strength of the impact is very obvious.
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14. 本文采用该方法研究了水灰比、粉煤灰、硅灰等对混凝土孔隙率的影响。
Based on this, the influence of water to cement ratio, fly ash and silica fume on porosity of concrete are studied.
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15. 尤其对于含硅灰或矿粉的混凝土，复合骨料降低混凝土的自收缩效果更好。
For concrete containing silica fume or ground slag, the reduction of auto-shrinkage is more effective by composite aggregate.
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16. 本文采用超细粉煤灰与硅灰的复合技术配制高性能混凝土材料（HPC）。
This paper adopts ultra-fine fly ash and silica fume concrete materials to prepare high performance composite technology(HPC).
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17. 结果表明：基准试件的饱碱电导最大，掺10%硅灰的混凝土饱碱电导最小。
The alkali saturation test show that the alkali saturated conductivity of the controlled specimen is the greatest and the conductivity of the 10% silica fume-bearing concrete is the smallest.
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18. 三远硅灰的产品质量是取得成功的关键因素，并以此获得并保持客户满意度。
Quality in Sanyuan Microsilica is recognised as a key success factor in order to obtain and maintain satisfied customers.
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19. 增密硅灰是一种便于运输、便于使用能更好地应用于混凝土的高效多功能添加剂。
Densitied silica fume is a kind of excellent multi-function replenishment, especially for concrete. It is easy to transport, and convenient to use.
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20. 结果表明：掺入硅灰会略微增加混凝土早期自生收缩，而对早期干燥收缩影响不大；
Results shown that the addition of silica fume could increase the autogenous shrinkage a little and almost had no effect on the drying shrinkage.
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21. 某地区志留系中的铀矿床，主要受硅灰岩和硅岩含矿层形态变异部位和断裂构造控制。
The uranium deposit of Silurian age in a certain area is controlled mainly by fracture and morphologically changing parts of uranium bearing siliceous limestone and chert beds.
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22. 养护条件，粗骨料最大粒径和硅灰对混凝土的强度，断裂性能和材料脆性都有一定影响。
The curing condition, the maximum size of coarse aggregate and silica fume have certain effects on the strength, fracture properties and brittleness of concrete.
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23. 本文简要介绍了硅灰的特性，着重研究了掺加硅灰后混凝土的物理力学性能以及耐久性。
The paper introduced the characteristics of siliceous lime briefly, and mainly made a study of physical, mechanical and enduring performance of concrete blended with siliceous lime.
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24. 在混凝土中掺入粉煤灰、矿渣和硅灰等掺合料被认为能有效提高混凝土抗硫酸盐耐久性。
Concrete mingled with fly ash, slag and silica fume and other admixtures are thought to effectively improve the anti-sulfate durability of concrete.
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25. 同时掺加硅灰还能够提高掺玻璃纤维高钙粉煤灰水泥砂浆的和易性和强度，并减小其膨胀。
Addition of silica fume into the mix will result in increasing the workability and strength of cement mortar and decreasing the expansion.
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26. 采用混凝土断裂能试验研究了使用磨细矿渣和硅灰配制的高强度高性能混凝土的断裂脆性。
Fracture energy of concrete was measured for studying the fracture brittleness of the high performance concrete mixed ground granulated blastfurnace slag (GGBFS) and silica fume.
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27. 通过实验，研究了硅灰、超细矿渣、硅质页岩几种矿物质掺合料对高强混凝土强度的影响；
By the experiments, the effects of several mineral admixtures, such as silica fume, superfine slag and siliceous shale on the High Strength Concrete (HSC) is researched.
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28. 目前研究和应用较多的矿物掺合料是矿渣、粉煤灰和硅灰，而对偏高岭土的应用研究较少。
Current research and application for mineral admixtures are more about fly ash, slag and silica fume, and less about metakaolin.
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29. 在此期间，硅灰从一种处于研究阶段的材料演变成一种在混凝土中被广泛规定使用的组分。
S. for about 25 years. During that time it has gone from a research material to a widely specified concrete component.
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30. 试验结果表明：在混凝土中同时掺入硅灰和矿渣可以产生复合火山灰效应和微集料填充效应；
The result of the experiments shows that the effects of compound pozzolanic and micro-aggregate have been produced when silica fume and slag were added into concrete together.
