1) flowing cement flyash
流态水泥粉煤灰
1.
The paper discussed the construction technology and attentions of retailing backwall refill for flowing cement flyash.
阐述了流态水泥粉煤灰作为一种新型台背回填材料的工艺施工技术要点及施工中的注意事项。
2) fly-ash cement
粉煤灰水泥
1.
This paper presents influence of complex activation and mechanical activation on powder properties as well as physical and chemical performances of Portland fly-ash cement paste.
研究了机械活化和复合活化对粉煤灰水泥的粉体特性以及浆体的物理化学性能的影响。
2.
This paper, aiming at the weak points of the low early strength and the slow setting and hardening of portland fly-ash cement, according to the forming mechanism of cement clinker minerals, cement clinker minerals are choosen, fly ash is used as a substitute of clay as raw materials, early and high strength type cement clinker has heen developed, the amount of alit in the clinker is very high.
本文针对粉煤灰水泥早强低,凝结硬化慢等缺点,根据水泥熟料矿物的形成机理,用粉煤灰代替粘土作原料,对熟料矿物进行优化组合,成功地研制出了一种高硅酸三钙的早期强度高的水泥熟料,这种熟料可掺入30%一40%粉煤灰,生产出425R型粉煤灰水泥。
3) fly ash cement
粉煤灰水泥
1.
Development of special fly ash cement for ready-mixed concrete;
适用于预拌混凝土的粉煤灰水泥的研制
2.
Study on hydration mechanism of lime-gypsum fly ash cement paste
石灰-石膏-粉煤灰水泥浆体的水化机理研究
3.
When using fly ash cement, it is often worried about that the property of protecting reinforcing steel bar is insufficient, because the reaction will use up the Ca(OH)_(2) in the hydrated product.
在使用粉煤灰水泥时,常常担心粉煤灰水泥因二次水化反应消耗掉水泥水化产物中的Ca(OH)2,使粉煤灰水泥的护筋性欠佳。
5) cement flyash
水泥粉煤灰
1.
The paper mainly introduced the mixture ratio design and construction procedure of cement flyash stabilized gravel basement,analyzed its strength principle and discussed its applied value for reference.
详细介绍了水泥粉煤灰稳定砂砾基层优化配合比设计和施工过程,分析了强度形成机理,阐述了工程应用价值,为今后在多砂砾地区的施工提供了参考依据。
6) cement lime PFA
水泥石灰粉煤灰
1.
Construction technique of cement lime PFA stabilized soil base;
水泥石灰粉煤灰稳定粉土底基层施工工艺
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。
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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参考词条