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.
为了提高道路路面混凝土的抗磨能力,采用硅灰代替部分水泥的方法,对硅灰混凝土的性能进行了较系统的试验研究。
For raising the anti friction property of road concrete, the use of silica fume instead of partial cement was tried. A systematic study on the properties of silica fume concrete was conducted.
试验结果表明活化改性后的粉煤灰28天抗压强度较原灰提高15%,为其今后在优质粉煤灰混凝土中的应用提供了数据。
The experimental results reveal that, the 28d strength of the activated fly ash is higher of 15% than that of original fly ash, which will greatly improve the prospect of uses of fly ash.
加入稻壳灰能够提高混凝土强度及抗腐蚀性。
Adding the ash makes concrete stronger and more resistant to corrosion.
混凝土架构设计理论的实质,是通过架浆比、单位用水量以及砂灰比偏离三个参数推求单位水泥用量的过程。
The essence of concrete framework theory is to deduce the cement dosage of unit volume concrete from frame-mortar ratio, unit water dosage and deviated function of cement-sand ratio.
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.
近年来,国外对偏高岭土作了较多的研究表明,用偏高岭土作混凝土掺合料替代传统的硅灰可生产高性能混凝土。
In recent years, there are more research on metakaolin made abroad showed that the metakaolin concrete admixture can produce an alternative to traditional high-performance silica fume concrete.
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.
以粉煤灰的火山灰效应、微集料效应分析为基础,分析研究了粉煤灰对混凝土塑性收缩、干缩、自缩和温度收缩裂缝的影响。
Based on analyzing the eruption and tiny aggregate effect of fly ash, the influence of fly ash on the shrinkage fissure of concrete is studied, caused by the plastic deformation, dry or temperature.
结果表明:优化超细灰细度和选择适当的掺量不但可以有效利用工业废渣,而且还可以显著提高加气混凝土强度。
It can be shown from the result that not only waste residue can be utilized efficiently but also increase the intensity of cellular concrete by using proper grade and quantity of superfine ash.
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.
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.
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.
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.
多元灰预测模型呈现出较高的精度以预测硫酸盐侵蚀环境下混凝土的强度劣化规律和服役寿命。
Multivariate grey prediction model shows enough precision to predict the strength development and service life of concrete subjected to sulfate environment.
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.
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.
贝壳灰替代石灰用于生产蒸压加气混凝土砌块,具有较好的社会效益和经济效益。
It can bring better social and economic benefit for the production of autoclaved aerated concrete block with the addition of oyster-shell lime.
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.
在混凝土外加剂的共同作用下,KGF粉可以很好地发挥火山灰效应、微集料填充效应和耐久性效应。
The test results show that by the joint action with the concrete admixture, the pozzolanic, micro-aggregate filling and durable effects of KGF powder can be realized properly.
应掺加冷凝硅灰减小混凝土的渗透性。
Condensed silica fume is to be added to reduce the permeability of the concrete.
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.
对微硅粉的填充效应和火山灰效应做了探讨,分析了微硅粉对混凝土性能的影响和在混凝土工程中的应用。
This paper probes into filling and pozzuolana effects of fine silicon powder, analyzes its influence on concrete properties and application in concrete engineering.
混凝土与灰岩的抗剪强度主要受混凝土与灰岩的胶结强度控制。
Shearing strength of concrete and limestone and limestone is mostly controlled by cementation strength for concrete and limestone.
混凝土中掺加适量高钙灰,对于混凝土的干燥收缩有补偿作用,可降低其开裂风险。
When taken in concrete with proper quantity, HCFA can compensate the drying shrinkage of concrete, and accordingly reduce the cracking risk of concrete.
介绍了采用复合激发剂,对流化床飞灰活性进行激发,在混凝土中以流化床飞灰大掺量替代水泥的试验研究。
Activity of CFB fly ash was excited by compound activators and the experiment of replacing cement by quantities of CFB fly ashes in concrete was introduced.
室内完成暴露混凝土,黑色染色胶合板门和面板,白色的墙壁和天花板画,天然火山灰。
Interior finishes are exposed concrete, black stained plywood doors and panels, white painted walls and ceilings, natural ash.
论述了天然火山灰用作混凝土掺合料的矿物组成、物化性能;火山灰活性及其评定。
This paper expounds mineral composition, physical and chemical characteristics, activity and its evaluation of natural volcanic ash which is used as concrete admixture.
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.
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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