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1)  calcium-enriched fly ash
增钙粉煤灰
1.
To obtain green concrete and concreting in minus-temperature,the critical strength of frozen injury of minus-temperature calcium-enriched fly ash concrete and the microstructure are studied in this paper.
本文既着眼于绿色混凝土,又致力于混凝土的负温施工,研究了增钙粉煤灰负温混凝土的抗冻临界强度和显微结构。
2)  Added Calcium fly ash
增钙粉煤灰
1.
In this paper, the strength effect of Added Calcium fly ash on synthetic fiber reinforced concrete is sutdied.
研究了电厂排放的增钙粉煤灰对合成纤维混凝土强度的影响。
3)  Portland cement with calcium enriched fly ash
增钙粉煤灰硅酸盐水泥
4)  high-calcium fly ash
高钙粉煤灰
1.
Research on using high-calcium fly ash as the hardening agent of soft soil;
利用高钙粉煤灰做软粘土固化剂
2.
Study on volume stability control of cement paste with large amount of high-calcium fly ash;
大掺量高钙粉煤灰水泥浆体体积安定性控制研究
3.
Effects of slag,high-calcium fly ash,desulfurized gypsum,calcined desulfurized gypsum and sodium sulfate on early age autogenous shrinkage of cement pastes,long terms of desiccation shrinkage and initial cracking sensitivity of cement mortar are researched.
0%(质量分数,下同)矿粉和高钙粉煤灰等量替代水泥对水泥净浆早期自收缩性能的影响及水泥砂浆的长期干燥收缩性能和初始开裂敏感性。
5)  high calcium fly ash
高钙粉煤灰
1.
The effect of Cl-ion on properties of high calcium fly ash cement paste;
Cl-对高钙粉煤灰硬化水泥浆体的影响
2.
The prelinminary study of using high calcium fly ash resource to produce expansive cement;
利用高钙粉煤灰生产膨胀水泥的初步研究
3.
Influence of high calcium fly ash on the physical property of cement;
高钙粉煤灰对水泥物理性能的影响
6)  high-lime fly ash
高钙粉煤灰
1.
Based on the characteristics of high-lime fly ash,a series of modified technology of high-lime fly ash have been developed.
基于高钙粉煤灰的本质特性,开发了系列改性高钙粉煤灰掺和料技术,对其改性机理和用于高性能混凝土的耐久性及体积稳定性作了深入阐述。
2.
This article takes eliminating the bad stability of HFA,enhances its utilization ratio as the goal,researches the impact of modified high-lime fly ash to the performance of workability、mechanical properties and resistance to chloride ion permeability.
以消除高钙灰安定性不良,提高其使用率为目的,从工作性、力学性能和抗氯离子渗透性能等方面,研究了经过改性后的高钙粉煤灰对高性能混凝土各项性能的影响;研究表明,与基准混凝土相比,掺入30%改性高钙粉煤灰后,混凝土30 d抗压强度降低了7。
补充资料:粉煤灰硅酸盐水泥
分子式:
CAS号:

性质:由硅酸盐水泥熟料、粉煤灰、适量石膏磨细制成的水硬性胶凝材料,代号P·F,中国主要水泥品种之一。粉煤灰掺加量为20%~40%(wt),标号分275、325、425、425R、525、525R、625R七个等级。性能和火山灰水泥相似,但需水性及干缩性较小,抗裂性较好,水化热较低,抗蚀性也较好。适用于一般的工业和民用建筑,尤其适用于大体积水工混凝土以及地下和海港工程等。

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