This paper introduces the mix proportion of high fly ash content concrete instead of 30% cement with fly ash and some experiment results of the test examples in laboratory.
介绍了在水泥混凝土中，采用粉煤灰替代30 %水泥的高掺量粉煤灰混凝土的配合比设计，以及试件力学性能的室内实验结果。
Laboratory test showed that: In consideration of slump, the optimization content of the fly ash was around 30% or more than 30%.
试验结果显示：从坍落度方面考虑，粉煤灰的掺量应该在30%左右或大于30%为最佳。
The test results show that the concentrate with ash content lower than 12.00% can be separated from high ash middling using this process.
试验结果表明，该工艺可以从高灰中煤中分选出灰分低于12．00％的精煤。
The test results show that the concentrate with ash content lower than 12.00% can be separated from high ash middling using this process.
试验结果表明，该工艺可以从高灰中煤中分选出灰分低于12．00％的精煤。
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