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从粉煤炉排出的烟气中收集到的细颗粒粉末称为粉煤灰。粉煤灰数量大、污染重。如何有效利用、变废为宝是一个十分现实的课题。在建筑上使用是粉煤灰利用的重点,除筑路外,掺入混凝土也是一个重要用途。1 粉煤灰与混凝土的作用机理粉煤灰属火山灰质混合材料，按其品质分为Ⅰ、Ⅱ
The fine particle powder collected from the flue gas discharged from the pulverized coal furnace is called fly ash. Large amount of fly ash, heavy pollution. How to effectively use and turn waste into treasure is a very realistic issue. The use of fly ash in construction is the key point, in addition to road construction, the incorporation of concrete is also an important use. A fly ash and concrete mechanism of action Fly ash is a volcanic ash mixed materials, according to their quality is divided into Ⅰ, Ⅱ