Effect of fly ash on the workability, strength and hydration heat of high belite cement and concrete.
粉煤灰对高贝利特水泥和混凝土的工作性、强度及水化热的影响。
The results indicated that high C3S cement had higher strength and less drying shrinkage and can largely utilize fly ash (up to 40% of fly ash may be added).
结果表明，高c3s水泥具有较高的强度和较小的干缩，可大量利用粉煤灰(掺量可达40%)。
In view of the high cost and low strength of the paste cement filling used at present in mines, it was proposed to use partial fly ash in stead of cement as the binding agent.
针对当前矿山膏体胶结充填成本高、强度低等现状，提出了以部分粉煤灰替代水泥作为胶凝剂。
Comprehensive analysis from the grinding effects and the development of strength, we can know that carboxylic acid substances are more suitable for high-performance fly-ash cement grinding AIDS.
从助磨效果以及增强效果两方面综合分析，羧酸类物质更适合用做粉煤灰水泥高效助磨剂。
The concrete strength test was conducted with the concrete made of fly ash, cement and sand plus a certain high efficient water reduction agent FDN and the orthogonal design method.
采用粉煤灰、水泥、砂石，掺加一定量的高效减水剂FDN，利用正交设计方法安排试验。
CFG pile is short for the cement fly-ash gravel pile, which is mixed to a high bond strength pile with sand and water. CFG pile composite is formed by CFG pile, the soil between piles and cushion.
CFG桩是水泥粉煤灰碎石桩的简称，它是由水泥、粉煤灰、碎石、石屑和砂加水拌合形成的高粘结强度桩，和桩间土、褥垫层一起形成复合地基。
CFG pile is short for the cement fly-ash gravel pile, which is mixed to a high bond strength pile with sand and water. CFG pile composite is formed by CFG pile, the soil between piles and cushion.
CFG桩是水泥粉煤灰碎石桩的简称，它是由水泥、粉煤灰、碎石、石屑和砂加水拌合形成的高粘结强度桩，和桩间土、褥垫层一起形成复合地基。
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