The influence of fly ash form on extrusion process of high content fly ash(over70%)fired brick has been studied.
研究粉煤灰形态对粉煤灰掺量在70%以上的高掺量粉煤灰烧结砖挤出成型工艺的影响。
The method of the invention has advantages of high content fly ash and compressive strength, low drying shrinkage value and good durability.
本发明粉煤灰掺加量高、抗压强度高、干燥收缩值低、耐久性较好。
Fly ash grain composition, particle size distribution are the important process parameters that effect the molding of body stock of high content fly ash sintered porous product.
粉煤灰的颗粒组成、粒度分布是影响高掺量粉煤灰烧结空心制品坯料成型工艺的重要参数。
This paper introduces how to make up fiber cotton with high content fly ash and the technology of processing new serial building materials with high added value and more function.
文介绍了用高掺量粉煤灰制成纤维，再加工成高附加值多功能的新型系列建材的技术。
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。
This paper introduces the mix proportion of high fly ash content concrete instead of 30% cement with fly ash and some experiment results of the test examples in laboratory.
介绍了在水泥混凝土中，采用粉煤灰替代30 %水泥的高掺量粉煤灰混凝土的配合比设计，以及试件力学性能的室内实验结果。
Activator can enhance remarkably the activity of fly ash and accelerate secondary hydration reaction of high fly ash content concrete.
激发剂能显著提高粉煤灰的活性，加速高掺量粉煤灰二次水化反应。
The secondary hydration of high fly ash content concrete is slow at the early period and then the velocity of it gradually increase.
高掺量粉煤灰混凝土早期二次水化较为缓慢，随后二次速度逐渐加快。
Durability of concrete incorporating high fly ash content is expounded on basis of the case of overseas research and the mechanism of improving durability is also researched into.
根据国外研究情况，综述高掺量粉煤灰混凝土的耐久性及改善耐久性的机理。
A part of fly ash might be replaced with stone powder in high-paste RCC, but the content of stone powder in crushed sand should be not more than 20%.
所以，在富胶凝材料碾压混凝土中可以用石粉取代部分粉煤灰，但人工砂中的石粉含量不宜超过20%。
High carbon content in fly ash not only results in the low combustion efficiency, but also limits its utilization as construction materials.
锅炉飞灰中含碳量高不但导致了锅炉燃烧效率的降低，也限制了飞灰的再利用。
Finally, the paper investigates how the volume content of polypropylene fibers affects the fracture parameters of high-volume fly ash concrete.
本文最后研究了聚丙烯纤维的体积含量对大掺量粉煤灰混凝土断裂参数的影响。
High Carbon content of fly ash will cause severe economical losing and environmental pollution.
飞灰含碳量过高，将会造成严重的经济损失和环境污染。
The strength development in long time of concrete with high content of fly ash was investigated.
研究了高掺量粉煤灰混凝土的长期强度增长趋势。
Based on the practical projects, authors present that the concrete with ultra-high content of fly ash has better working performance and bright application future.
通过工程实践，说明超大掺量粉煤灰混凝土具有良好的工作性能及广阔的应用前景。
In circulating fluidized beds, but with existing problems of high ignition temperature, large content of carbon in the fly ash and relatively low efficiency of combustion.
试验结果发现循环流化床能够有效燃烧无烟煤，但存在着火温度高，飞灰含碳量大，燃烧效率较低等问题。
The experimental results show that with the increase of content and fineness of fly ash used in high strength concrete, the total areas of plastic cracking decrease.
本文主要就环境因素变化对高强混凝土塑性收缩开裂的影响趋势进行专门试验研究，并就其影响机理及相关的问题进行了分析和阐述。
The experimental results show that with the increase of content and fineness of fly ash used in high strength concrete, the total areas of plastic cracking decrease.
本文主要就环境因素变化对高强混凝土塑性收缩开裂的影响趋势进行专门试验研究，并就其影响机理及相关的问题进行了分析和阐述。
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