坍落度试验，是一种建筑学测试实验。
...公路试验；路基工程；坍落度试验；混凝土结构物回弹测定 [gap=267]Key words: road detection; road test; subgrade; slump test; rebound determination of concrete structures ...
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通过混凝土坍落度试验，从水泥、粉煤灰及塑化剂三方面研究了水泥及粉煤灰与塑化剂的适应性问题。
Compatibility of cement and pfa with plasticizer was studied through the slump test of concrete from the aspects of cement, pfa and plasticizer.
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。
Laboratory test showed that: In consideration of slump, the optimization content of the fly ash was around 30% or more than 30%.
通过水泥净浆试验比较选择了减水率高、坍落度损失小、与水泥适应性好的氨基苯磺酸盐高效减水剂；
Aminobenzenesulfonic acid super-plasticizer is selected though cement paste test, which be provided with high water-reducing property, low slump loss and good compatibility with cement.
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