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“水泥—黏土—粉煤灰—生石灰”固化浆液性能试验

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摘要 松散岩体固化已成为一种提高岩体强度,改善巷道支护条件的重要手段,已应用的固化注浆材料各有特点,如单一水泥浆液的优点是结石体强度高、透水性低,材料来源广、价廉,但其可注性及稳定性较差,凝结时间长,而且凝结时间难以控制等,限制了它的适用范围,而在水泥浆中加入添加剂,则可以改善水泥浆的性能,水泥一粉煤灰浆液可以提高水泥浆的可注性,提高浆液固结的早期强度,增强浆液的稳定性,减少水泥消耗,降低成本。
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