路基填料粉煤灰冻胀性判断试验方法

Test Approach to Determine Frost Heave Susceptibility of Flyash as Subgrade Material

本文提出一种冻胀对比试验方法，用于判断粉煤灰作为路基填料时的冻胀性，以便决定是否采取防冻胀措施。此方法将试验材料与对比材料置于相同的试验条件下，可避免对多种复杂因素的分析，方法简便、可行。

In this paper,a comparative test method of frost heave susceptibility is putforward to determine the frost heave susceptibility of flyash as subgrade material so as to de-cide whether frost heave countermeasures should be taken,In this method the test materialand comparative material are subjected to same experimental conditions,to avert the analysisfrom many complicated factors resulting in a simple and practicable procedure.