In this paper, the effect of fly ash quality on the crack resistance was discussed.
主要分析了粉煤灰品质指标对水泥抗裂性的影响。
The influencing rule and mechanism of fly ash quality and mixture proportions on the mechanical performance and the durability of HFCC are analyzed.
分析了粉煤灰品质和混凝土配合比等因素对HF CC力学和耐久性能的影响规律和作用机理。
Fly ash in flue gas not only crusts on the surface, stopping the dissolving of limestone, but also affects the dust discharge index, reducing the quality of gypsum.
烟气中的飞灰既在液相膜表面结壳，阻碍石灰石的溶解，又影响脱硫系统含尘量排放指标，降低石膏品质。
The activated fly ash, when used as cement blend, can either improve the quality of the cement or heighten the ratio of fly ash in the cement.
经活化的粉煤灰用作水泥混合材可提高水泥标号或水泥中粉煤灰的掺量。
Fly ash can be take as high quality admixture of concrete.
处理后的粉煤灰可作为优质的混凝土掺合料。
This manuscript studies elements such as content and quality of fly-ash, the cement content and aggregate's gradation influencing the material's strength.
本文系统研究了粉煤灰掺量与品质、水泥剂量、集料级配等因素对材料强度的影响。
The fly ash series dry mixing mortar powder has been developed by using low quality of fly ash.
利用低品质粉煤灰研制出粉煤灰系列干拌砂浆粉。
It is concluded that fly ash and expansion agent are the main factors influencing the surface quality of concrete and the surface quality can be improved essentially by adjusting the mix ratio.
得出结论：粉煤灰和膨胀剂是影响混凝土表观质量的主要因素，通过调整配合比可以从根本上改善混凝土的表观质量。
A new method to evaluate the quality of fly ash based on cementitious coefficient is put forward, and comparison with other methods at home and abroad is presented.
在此基础上给出了以胶凝系数评价粉煤灰品质的新方法，并与国内外其它评价方法作了比较。
Trial study on the application of grinding AIDS was conducted aiming at improving the quality of fly-ash cement, reducing power consumption of grinding and increasing the adding rate of fly-ash.
为提高粉煤灰水泥中粉煤灰的掺量，降低粉磨电耗，并改善粉煤灰水泥性能，进行了助磨剂的应用试验研究。
Effects of quality index, which are volcanic ash activity, loss on ignition, fineness and water demand ratio, on quality of fly ash are expatiated, the requests to quality of fly ash are put forward.
阐述了火山灰活性、烧失量、细度和需水量比等品质指标对粉煤灰质量的影响，对粉煤灰品质提出了要求。
The fly ash possesses definite water-adsorption capacity, and it also contains various nutrient elements so that it may improve quality of soil obviously.
粉煤灰具有一定的吸水能力，其本身含有多种养分元素，可以明显改良土壤理化性质。
The corrosion resistance of Large-Volume low-quality Fly Ash Concrete (LVFAC) is studied systematically and deeply in this thesis.
本文较系统深入地研究大掺量低质粉煤灰混凝土抗侵蚀性能。
The paper introduces the construction technology and essentials for quality control for lime and fly ash stabilized macadam to be used in freeway pavement base construction.
介绍了二灰稳定碎石用于高速公路路面基层施工中的施工工艺和质量控制要点。
Through removing partial unburnt carbon in fly ash by flotation, the quality of fly ash can be improved.
采用浮选法可除掉粉煤灰中部分未燃尽炭，在降低了含炭量后，粉煤灰的质量得到很大提高。
When super-fine steel slag powder and high-quality fly ash were added into concrete together, the performance of concrete could be improved further due to the synergistic effect.
将磨细钢渣与优质粉煤灰复掺可以发挥超叠加效应，进一步改善混凝土性能；
The results indicate that the dry contraction coefficients of lean concrete is less than common concrete, and it will be reduced when the high quality fly ash is added in the lean concrete.
结果表明，贫混凝土的干缩小于普通混凝土，而且掺加优质粉煤灰后，可降低收缩值。
The fly ash of inferior quality produced in Chongqing can be used to construct high-strength bases.
试验资料证实石灰粉煤灰是一种质高价廉的筑路材料，重庆低质粉煤灰可修筑高强度基层。
Entraining fly ash and mineral powder with high quality can increase the initial fluidity of cement mortar and the fluidity retention capacity.
掺加较优质的粉煤灰和矿粉有利于提高砂浆的初始流动性和流动性保持能力。
Entraining fly ash and mineral powder with high quality can increase the initial fluidity of cement mortar and the fluidity retention capacity.
掺加较优质的粉煤灰和矿粉有利于提高砂浆的初始流动性和流动性保持能力。
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